Projects/dibbler
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dibbler
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Restructure project #3

Merged
h7x4 merged 10 commits from restructure-project into master 2023-09-02 21:18:04 +02:00
Conversation 1 Commits 10 Files Changed 67 +2687 -11798
67 changed files with 2687 additions and 11798 deletions
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8
.gitignore vendored
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@ -1,2 +1,8 @@
result
result-*
result-*
dist
test.db
.ruff_cache

30
ALTER
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@ -1,30 +0,0 @@
torjehoa_dibblerdummy=> ALTER TABLE products ADD stock integer;
Table "torjehoa_dibblerdummy.products"
Column | Type | Modifiers
----------+-----------------------+-----------
bar_code | character varying(13) | not null
name | character varying(45) |
price | integer |
Indexes:
"products_pkey" PRIMARY KEY, btree (bar_code)
torjehoa_dibblerdummy=> ALTER TABLE products ADD stock integer;
ALTER TABLE
torjehoa_dibblerdummy=> UPDATE products SET stock = 0;
UPDATE 102
torjehoa_dibblerdummy=> ALTER TABLE products ALTER stock SET NOT NULL;
ALTER TABLE
torjehoa_dibblerdummy=> \d products
Table "torjehoa_dibblerdummy.products"
Column | Type | Modifiers
----------+-----------------------+-----------
bar_code | character varying(13) | not null
name | character varying(45) |
price | integer |
stock | integer | not null
Indexes:
"products_pkey" PRIMARY KEY, btree (bar_code)
torjehoa_dibblerdummy=>

0
README.MD → README.md
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4
conf.py
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@ -1,8 +1,8 @@
db_url = 'postgresql://robertem@127.0.0.1/pvvvv'
db_url = "postgresql://robertem@127.0.0.1/pvvvv"
quit_allowed = True
stop_allowed = False
show_tracebacks = True
input_encoding = 'utf8'
input_encoding = "utf8"
low_credit_warning_limit = -100
user_recent_transaction_limit = 100

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176
db.py
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@ -1,176 +0,0 @@
from sqlalchemy import Column, Integer, String, ForeignKey, create_engine, DateTime, Boolean
from sqlalchemy.orm import sessionmaker, relationship, backref
from sqlalchemy.ext.declarative import declarative_base
from math import ceil, floor
import datetime
import conf
engine = create_engine(conf.db_url)
Base = declarative_base()
Session = sessionmaker(bind=engine)
class User(Base):
__tablename__ = 'users'
name = Column(String(10), primary_key=True)
card = Column(String(20))
rfid = Column(String(20))
credit = Column(Integer)
name_re = r"[a-z]+"
card_re = r"(([Nn][Tt][Nn][Uu])?[0-9]+)?"
rfid_re = r"[0-9a-fA-F]*"
def __init__(self, name, card, rfid=None, credit=0):
self.name = name
if card == '':
card = None
self.card = card
if rfid == '':
rfid = None
self.rfid = rfid
self.credit = credit
def __repr__(self):
return f"<User('{self.name}')>"
def __str__(self):
return self.name
def is_anonymous(self):
return self.card == '11122233'
class Product(Base):
__tablename__ = 'products'
product_id = Column(Integer, primary_key=True)
bar_code = Column(String(13))
name = Column(String(45))
price = Column(Integer)
stock = Column(Integer)
hidden = Column(Boolean, nullable=False, default=False)
bar_code_re = r"[0-9]+"
name_re = r".+"
name_length = 45
def __init__(self, bar_code, name, price, stock=0, hidden = False):
self.name = name
self.bar_code = bar_code
self.price = price
self.stock = stock
self.hidden = hidden
def __repr__(self):
return f"<Product('{self.name}', '{self.bar_code}', '{self.price}', '{self.stock}', '{self.hidden}')>"
def __str__(self):
return self.name
class UserProducts(Base):
__tablename__ = 'user_products'
user_name = Column(String(10), ForeignKey('users.name'), primary_key=True)
product_id = Column(Integer, ForeignKey("products.product_id"), primary_key=True)
count = Column(Integer)
sign = Column(Integer)
user = relationship(User, backref=backref('products', order_by=count.desc()), lazy='joined')
product = relationship(Product, backref="users", lazy='joined')
class PurchaseEntry(Base):
__tablename__ = 'purchase_entries'
id = Column(Integer, primary_key=True)
purchase_id = Column(Integer, ForeignKey("purchases.id"))
product_id = Column(Integer, ForeignKey("products.product_id"))
amount = Column(Integer)
product = relationship(Product, backref="purchases")
def __init__(self, purchase, product, amount):
self.product = product
self.product_bar_code = product.bar_code
self.purchase = purchase
self.amount = amount
def __repr__(self):
return f"<PurchaseEntry('{self.product.name}', '{self.amount}')>"
class Transaction(Base):
__tablename__ = 'transactions'
id = Column(Integer, primary_key=True)
time = Column(DateTime)
user_name = Column(String(10), ForeignKey('users.name'))
amount = Column(Integer)
description = Column(String(50))
purchase_id = Column(Integer, ForeignKey('purchases.id'))
penalty = Column(Integer)
user = relationship(User, backref=backref('transactions', order_by=time))
def __init__(self, user, amount=0, description=None, purchase=None, penalty=1):
self.user = user
self.amount = amount
self.description = description
self.purchase = purchase
self.penalty = penalty
def perform_transaction(self, ignore_penalty=False):
self.time = datetime.datetime.now()
if not ignore_penalty:
self.amount *= self.penalty
self.user.credit -= self.amount
class Purchase(Base):
__tablename__ = 'purchases'
id = Column(Integer, primary_key=True)
time = Column(DateTime)
price = Column(Integer)
transactions = relationship(Transaction, order_by=Transaction.user_name, backref='purchase')
entries = relationship(PurchaseEntry, backref=backref("purchase"))
def __init__(self):
pass
def __repr__(self):
return f"<Purchase({int(self.id):d}, {self.price:d}, '{self.time.strftime('%c')}')>"
def is_complete(self):
return len(self.transactions) > 0 and len(self.entries) > 0
def price_per_transaction(self, round_up=True):
if round_up:
return int(ceil(float(self.price)/len(self.transactions)))
else:
return int(floor(float(self.price)/len(self.transactions)))
def set_price(self, round_up=True):
self.price = 0
for entry in self.entries:
self.price += entry.amount*entry.product.price
if len(self.transactions) > 0:
for t in self.transactions:
t.amount = self.price_per_transaction(round_up=round_up)
def perform_purchase(self, ignore_penalty=False, round_up=True):
self.time = datetime.datetime.now()
self.set_price(round_up=round_up)
for t in self.transactions:
t.perform_transaction(ignore_penalty=ignore_penalty)
for entry in self.entries:
entry.product.stock -= entry.amount
def perform_soft_purchase(self, price, round_up=True):
self.time = datetime.datetime.now()
self.price = price
for t in self.transactions:
t.amount = self.price_per_transaction(round_up=round_up)
for t in self.transactions:
t.perform_transaction()

5
default.nix
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@ -1,7 +1,4 @@
{ pkgs ? import <nixos-unstable> { } }:
rec {
{
dibbler = pkgs.callPackage ./nix/dibbler.nix { };
}

0
dibbler/__init__.py Normal file
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6
dibbler/conf.py Normal file
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@ -0,0 +1,6 @@
# This module is supposed to act as a singleton and be filled
# with config variables by cli.py
import configparser
config = configparser.ConfigParser()

7
dibbler/db.py Normal file
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@ -0,0 +1,7 @@
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from dibbler.conf import config
engine = create_engine(config.get("database", "url"))
Session = sessionmaker(bind=engine)

34
barcode_helpers.py → dibbler/lib/barcode_helpers.py
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@ -6,20 +6,20 @@ from brother_ql.devicedependent import label_type_specs
def px2mm(px, dpi=300):
return (25.4 * px)/dpi
return (25.4 * px) / dpi
class BrotherLabelWriter(ImageWriter):
def __init__(self, typ='62', max_height=350, rot=False, text=None):
def __init__(self, typ="62", max_height=350, rot=False, text=None):
super(BrotherLabelWriter, self).__init__()
assert typ in label_type_specs
self.rot = rot
if self.rot:
self._h, self._w = label_type_specs[typ]['dots_printable']
self._h, self._w = label_type_specs[typ]["dots_printable"]
if self._w == 0 or self._w > max_height:
self._w = min(max_height, self._h / 2)
else:
self._w, self._h = label_type_specs[typ]['dots_printable']
self._w, self._h = label_type_specs[typ]["dots_printable"]
if self._h == 0 or self._h > max_height:
self._h = min(max_height, self._w / 2)
self._xo = 0.0
@ -31,36 +31,40 @@ class BrotherLabelWriter(ImageWriter):
super(BrotherLabelWriter, self)._init(code)
def calculate_size(self, modules_per_line, number_of_lines, dpi=300):
x, y = super(BrotherLabelWriter, self).calculate_size(modules_per_line, number_of_lines, dpi)
x, y = super(BrotherLabelWriter, self).calculate_size(
modules_per_line, number_of_lines, dpi
)
self._xo = (px2mm(self._w)-px2mm(x))/2
self._yo = (px2mm(self._h)-px2mm(y))
self._xo = (px2mm(self._w) - px2mm(x)) / 2
self._yo = px2mm(self._h) - px2mm(y)
assert self._xo >= 0
assert self._yo >= 0
return int(self._w), int(self._h)
def _paint_module(self, xpos, ypos, width, color):
super(BrotherLabelWriter, self)._paint_module(xpos+self._xo, ypos+self._yo, width, color)
super(BrotherLabelWriter, self)._paint_module(
xpos + self._xo, ypos + self._yo, width, color
)
def _paint_text(self, xpos, ypos):
super(BrotherLabelWriter, self)._paint_text(xpos+self._xo, ypos+self._yo)
super(BrotherLabelWriter, self)._paint_text(xpos + self._xo, ypos + self._yo)
def _finish(self):
if self._title:
width = self._w+1
width = self._w + 1
height = 0
max_h = self._h - mm2px(self._yo, self.dpi)
fs = int(max_h / 1.2)
font_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "Stranger back in the Night.ttf")
font_path = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"Stranger back in the Night.ttf",
)
font = ImageFont.truetype(font_path, 10)
while width > self._w or height > max_h:
font = ImageFont.truetype(font_path, fs)
width, height = font.getsize(self._title)
fs -= 1
pos = (
(self._w-width)//2,
0 - (height // 8)
)
pos = ((self._w - width) // 2, 0 - (height // 8))
self._draw.text(pos, self._title, font=font, fill=self.foreground)
return self._image

130
dibbler/lib/helpers.py Normal file
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@ -0,0 +1,130 @@
import pwd
import subprocess
import os
import signal
from sqlalchemy import or_, and_
from ..models import User, Product
def search_user(string, session, ignorethisflag=None):
string = string.lower()
exact_match = (
session.query(User)
.filter(or_(User.name == string, User.card == string, User.rfid == string))
.first()
)
if exact_match:
return exact_match
user_list = (
session.query(User)
.filter(
or_(
User.name.ilike(f"%{string}%"),
User.card.ilike(f"%{string}%"),
User.rfid.ilike(f"%{string}%"),
)
)
.all()
)
return user_list
def search_product(string, session, find_hidden_products=True):
if find_hidden_products:
exact_match = (
session.query(Product)
.filter(or_(Product.bar_code == string, Product.name == string))
.first()
)
else:
exact_match = (
session.query(Product)
.filter(
or_(
Product.bar_code == string,
and_(Product.name == string, Product.hidden is False),
)
)
.first()
)
if exact_match:
return exact_match
if find_hidden_products:
product_list = (
session.query(Product)
.filter(
or_(
Product.bar_code.ilike(f"%{string}%"),
Product.name.ilike(f"%{string}%"),
)
)
.all()
)
else:
product_list = (
session.query(Product)
.filter(
or_(
Product.bar_code.ilike(f"%{string}%"),
and_(Product.name.ilike(f"%{string}%"), Product.hidden is False),
)
)
.all()
)
return product_list
def system_user_exists(username):
try:
pwd.getpwnam(username)
except KeyError:
return False
except UnicodeEncodeError:
return False
else:
return True
def guess_data_type(string):
if string.startswith("ntnu") and string[4:].isdigit():
return "card"
if string.isdigit() and len(string) == 10:
return "rfid"
if string.isdigit() and len(string) in [8, 13]:
return "bar_code"
# if string.isdigit() and len(string) > 5:
# return 'card'
if string.isalpha() and string.islower() and system_user_exists(string):
return "username"
return None
def argmax(d, all=False, value=None):
maxarg = None
if value is not None:
dd = d
d = {}
for key in list(dd.keys()):
d[key] = value(dd[key])
for key in list(d.keys()):
if maxarg is None or d[key] > d[maxarg]:
maxarg = key
if all:
return [k for k in list(d.keys()) if d[k] == d[maxarg]]
return maxarg
def less(string):
"""
Run less with string as input; wait until it finishes.
"""
# If we don't ignore SIGINT while running the `less` process,
# it will become a zombie when someone presses C-c.
int_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
env = dict(os.environ)
env["LESSSECURE"] = "1"
proc = subprocess.Popen("less", env=env, encoding="utf-8", stdin=subprocess.PIPE)
proc.communicate(string)
signal.signal(signal.SIGINT, int_handler)

53
printer_helpers.py → dibbler/lib/printer_helpers.py
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@ -1,47 +1,50 @@
import os
import datetime
import barcode
import datetime
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
from brother_ql import BrotherQLRaster
from brother_ql import create_label
from brother_ql import BrotherQLRaster, create_label
from brother_ql.backends import backend_factory
from brother_ql.devicedependent import label_type_specs
from PIL import Image, ImageDraw, ImageFont
from barcode_helpers import BrotherLabelWriter
from .barcode_helpers import BrotherLabelWriter
def print_name_label(text, margin=10, rotate=False, label_type="62", printer_type="QL-700",):
def print_name_label(
text,
margin=10,
rotate=False,
label_type="62",
printer_type="QL-700",
):
if not rotate:
width, height = label_type_specs[label_type]['dots_printable']
width, height = label_type_specs[label_type]["dots_printable"]
else:
height, width = label_type_specs[label_type]['dots_printable']
height, width = label_type_specs[label_type]["dots_printable"]
font_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "ChopinScript.ttf")
fs = 2000
tw, th = width, height
if width == 0:
while th + 2*margin > height:
while th + 2 * margin > height:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
width = tw+2*margin
width = tw + 2 * margin
elif height == 0:
while tw + 2*margin > width:
while tw + 2 * margin > width:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
height = th+2*margin
height = th + 2 * margin
else:
while tw + 2*margin > width or th + 2*margin > height:
while tw + 2 * margin > width or th + 2 * margin > height:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
xp = (width//2)-(tw//2)
yp = (height//2)-(th//2)
xp = (width // 2) - (tw // 2)
yp = (height // 2) - (th // 2)
im = Image.new("RGB", (width, height), (255, 255, 255))
dr = ImageDraw.Draw(im)
@ -58,8 +61,14 @@ def print_name_label(text, margin=10, rotate=False, label_type="62", printer_typ
print_image(fn, printer_type, label_type)
def print_bar_code(barcode_value, barcode_text, barcode_type="ean13", rotate=False, printer_type="QL-700",
label_type="62"):
def print_bar_code(
barcode_value,
barcode_text,
barcode_type="ean13",
rotate=False,
printer_type="QL-700",
label_type="62",
):
bar_coder = barcode.get_barcode_class(barcode_type)
wr = BrotherLabelWriter(typ=label_type, rot=rotate, text=barcode_text, max_height=1000)
@ -75,12 +84,12 @@ def print_image(fn, printer_type="QL-700", label_type="62"):
create_label(qlr, fn, label_type, threshold=70, cut=True)
be = backend_factory("pyusb")
list_available_devices = be['list_available_devices']
BrotherQLBackend = be['backend_class']
list_available_devices = be["list_available_devices"]
BrotherQLBackend = be["backend_class"]
ad = list_available_devices()
assert ad
string_descr = ad[0]['string_descr']
string_descr = ad[0]["string_descr"]
printer = BrotherQLBackend(string_descr)

512
dibbler/lib/statistikkHelpers.py Normal file
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@ -0,0 +1,512 @@
#! /usr/bin/env python
# -*- coding: UTF-8 -*-
import datetime
from collections import defaultdict
from .helpers import *
from ..models import Transaction
from ..db import Session
def getUser():
while 1:
string = input("user? ")
session = Session()
user = search_user(string, session)
session.close()
if not isinstance(user, list):
return user.name
i = 0
if len(user) == 0:
print("no matching string")
if len(user) == 1:
print("antar: ", user[0].name, "\n")
return user[0].name
if len(user) > 10:
continue
for u in user:
print(i, u.name)
i += 1
try:
n = int(input("enter number:"))
except:
print("invalid input, restarting")
continue
if (n > -1) and (n < i):
return user[n].name
def getProduct():
while 1:
string = input("product? ")
session = Session()
product = search_product(string, session)
session.close()
if not isinstance(product, list):
return product.name
i = 0
if len(product) == 0:
print("no matching string")
if len(product) == 1:
print("antar: ", product[0].name, "\n")
return product[0].name
if len(product) > 10:
continue
for u in product:
print(i, u.name)
i += 1
try:
n = int(input("enter number:"))
except:
print("invalid input, restarting")
continue
if (n > -1) and (n < i):
return product[n].name
class Database:
# for varer
varePersonAntall = defaultdict(dict) # varePersonAntall[Oreo][trygvrad] == 3
vareDatoAntall = defaultdict(list) # dict->array
vareUkedagAntall = defaultdict(list)
# for personer
personVareAntall = defaultdict(dict) # personVareAntall[trygvrad][Oreo] == 3
personVareVerdi = defaultdict(dict) # personVareVerdi[trygvrad][Oreo] == 30 #[kr]
personDatoVerdi = defaultdict(list) # dict->array
personUkedagVerdi = defaultdict(list)
# for global
personPosTransactions = (
{}
) # personPosTransactions[trygvrad] == 100 #trygvrad har lagt 100kr i boksen
personNegTransactions = (
{}
) # personNegTransactions[trygvrad» == 70 #trygvrad har tatt 70kr fra boksen
globalVareAntall = {} # globalVareAntall[Oreo] == 3
globalVareVerdi = {} # globalVareVerdi[Oreo] == 30 #[kr]
globalPersonAntall = {} # globalPersonAntall[trygvrad] == 3
globalPersonForbruk = {} # globalPersonVerdi == 30 #[kr]
globalUkedagForbruk = []
globalDatoVarer = []
globalDatoForbruk = []
pengebeholdning = []
class InputLine:
def __init__(self, u, p, t):
self.inputUser = u
self.inputProduct = p
self.inputType = t
def getDateDb(date, inp):
try:
year = inp.partition("-")
month = year[2].partition("-")
return datetime.datetime(int(year[0]), int(month[0]), int(month[2]))
except:
print("invalid date, setting date to date found in db")
print(date)
return date
def dateToDateNumDb(date, startDate):
deltaDays = date - startDate
return int(deltaDays.days), date.weekday()
def getInputType():
inp = 0
while not (inp == "1" or inp == "2" or inp == "3" or inp == "4"):
print("type 1 for user-statistics")
print("type 2 for product-statistics")
print("type 3 for global-statistics")
print("type 4 to enter loop-mode")
inp = input("")
return int(inp)
def getProducts(products):
product = []
products = products.partition("¤")
product.append(products[0])
while products[1] == "¤":
products = products[2].partition("¤")
product.append(products[0])
return product
def getDateFile(date, inp):
try:
year = inp.partition("-")
month = year[2].partition("-")
return datetime.date(int(year[0]), int(month[0]), int(month[2]))
except:
print("invalid date, setting date to date found on file file")
print(date)
return datetime.date(
int(date.partition("-")[0]),
int(date.partition("-")[2].partition("-")[0]),
int(date.partition("-")[2].partition("-")[2]),
)
def dateToDateNumFile(date, startDate):
year = date.partition("-")
month = year[2].partition("-")
day = datetime.date(int(year[0]), int(month[0]), int(month[2]))
deltaDays = day - startDate
return int(deltaDays.days), day.weekday()
def clearDatabase(database):
database.varePersonAntall.clear()
database.vareDatoAntall.clear()
database.vareUkedagAntall.clear()
database.personVareAntall.clear()
database.personVareVerdi.clear()
database.personDatoVerdi.clear()
database.personUkedagVerdi.clear()
database.personPosTransactions.clear()
database.personNegTransactions.clear()
database.globalVareAntall.clear()
database.globalVareVerdi.clear()
database.globalPersonAntall.clear()
database.globalPersonForbruk.clear()
return database
def addLineToDatabase(database, inputLine):
if abs(inputLine.price) > 90000:
return database
# fyller inn for varer
if (not inputLine.product == "") and (
(inputLine.inputProduct == "") or (inputLine.inputProduct == inputLine.product)
):
database.varePersonAntall[inputLine.product][inputLine.user] = (
database.varePersonAntall[inputLine.product].setdefault(inputLine.user, 0) + 1
)
if inputLine.product not in database.vareDatoAntall:
database.vareDatoAntall[inputLine.product] = [0] * (inputLine.numberOfDays + 1)
database.vareDatoAntall[inputLine.product][inputLine.dateNum] += 1
if inputLine.product not in database.vareUkedagAntall:
database.vareUkedagAntall[inputLine.product] = [0] * 7
database.vareUkedagAntall[inputLine.product][inputLine.weekday] += 1
# fyller inn for personer
if (inputLine.inputUser == "") or (inputLine.inputUser == inputLine.user):
if not inputLine.product == "":
database.personVareAntall[inputLine.user][inputLine.product] = (
database.personVareAntall[inputLine.user].setdefault(inputLine.product, 0) + 1
)
database.personVareVerdi[inputLine.user][inputLine.product] = (
database.personVareVerdi[inputLine.user].setdefault(inputLine.product, 0)
+ inputLine.price
)
if inputLine.user not in database.personDatoVerdi:
database.personDatoVerdi[inputLine.user] = [0] * (inputLine.numberOfDays + 1)
database.personDatoVerdi[inputLine.user][inputLine.dateNum] += inputLine.price
if inputLine.user not in database.personUkedagVerdi:
database.personUkedagVerdi[inputLine.user] = [0] * 7
database.personUkedagVerdi[inputLine.user][inputLine.weekday] += inputLine.price
# fyller inn delt statistikk (genereres uansett)
if inputLine.product == "":
if inputLine.price > 0:
database.personPosTransactions[inputLine.user] = (
database.personPosTransactions.setdefault(inputLine.user, 0) + inputLine.price
)
else:
database.personNegTransactions[inputLine.user] = (
database.personNegTransactions.setdefault(inputLine.user, 0) + inputLine.price
)
elif not (inputLine.inputType == 1):
database.globalVareAntall[inputLine.product] = (
database.globalVareAntall.setdefault(inputLine.product, 0) + 1
)
database.globalVareVerdi[inputLine.product] = (
database.globalVareVerdi.setdefault(inputLine.product, 0) + inputLine.price
)
# fyller inn for global statistikk
if (inputLine.inputType == 3) or (inputLine.inputType == 4):
database.pengebeholdning[inputLine.dateNum] += inputLine.price
if not (inputLine.product == ""):
database.globalPersonAntall[inputLine.user] = (
database.globalPersonAntall.setdefault(inputLine.user, 0) + 1
)
database.globalPersonForbruk[inputLine.user] = (
database.globalPersonForbruk.setdefault(inputLine.user, 0) + inputLine.price
)
database.globalDatoVarer[inputLine.dateNum] += 1
database.globalDatoForbruk[inputLine.dateNum] += inputLine.price
database.globalUkedagForbruk[inputLine.weekday] += inputLine.price
return database
def buildDatabaseFromDb(inputType, inputProduct, inputUser):
sdate = input("enter start date (yyyy-mm-dd)? ")
edate = input("enter end date (yyyy-mm-dd)? ")
print("building database...")
session = Session()
transaction_list = session.query(Transaction).all()
inputLine = InputLine(inputUser, inputProduct, inputType)
startDate = getDateDb(transaction_list[0].time, sdate)
endDate = getDateDb(transaction_list[-1].time, edate)
inputLine.numberOfDays = (endDate - startDate).days
database = Database()
database = clearDatabase(database)
if (inputType == 3) or (inputType == 4):
database.globalDatoVarer = [0] * (inputLine.numberOfDays + 1)
database.globalDatoForbruk = [0] * (inputLine.numberOfDays + 1)
database.globalUkedagForbruk = [0] * 7
database.pengebeholdning = [0] * (inputLine.numberOfDays + 1)
print("wait for it.... ")
for transaction in transaction_list:
if transaction.purchase:
products = [ent.product.name for ent in transaction.purchase.entries]
else:
products = []
products.append("")
inputLine.dateNum, inputLine.weekday = dateToDateNumDb(transaction.time, startDate)
if inputLine.dateNum < 0 or inputLine.dateNum > (inputLine.numberOfDays):
continue
inputLine.user = transaction.user.name
inputLine.price = transaction.amount
for inputLine.product in products:
database = addLineToDatabase(database, inputLine)
inputLine.price = 0
print("saving as default.dibblerlog...", end=" ")
f = open("default.dibblerlog", "w")
line_format = "%s|%s|%s|%s|%s|%s\n"
transaction_list = session.query(Transaction).all()
for transaction in transaction_list:
if transaction.purchase:
products = "¤".join([ent.product.name for ent in transaction.purchase.entries])
else:
products = ""
line = line_format % (
"purchase",
transaction.time,
products,
transaction.user.name,
transaction.amount,
transaction.description,
)
f.write(line.encode("utf8"))
session.close()
f.close
# bygg database.pengebeholdning
if (inputType == 3) or (inputType == 4):
for i in range(inputLine.numberOfDays + 1):
if i > 0:
database.pengebeholdning[i] += database.pengebeholdning[i - 1]
# bygg dateLine
day = datetime.timedelta(days=1)
dateLine = []
dateLine.append(startDate)
for n in range(inputLine.numberOfDays):
dateLine.append(startDate + n * day)
print("done")
return database, dateLine
def buildDatabaseFromFile(inputFile, inputType, inputProduct, inputUser):
sdate = input("enter start date (yyyy-mm-dd)? ")
edate = input("enter end date (yyyy-mm-dd)? ")
f = open(inputFile)
try:
fileLines = f.readlines()
finally:
f.close()
inputLine = InputLine(inputUser, inputProduct, inputType)
startDate = getDateFile(fileLines[0].partition("|")[2].partition(" ")[0], sdate)
endDate = getDateFile(fileLines[-1].partition("|")[2].partition(" ")[0], edate)
inputLine.numberOfDays = (endDate - startDate).days
database = Database()
database = clearDatabase(database)
if (inputType == 3) or (inputType == 4):
database.globalDatoVarer = [0] * (inputLine.numberOfDays + 1)
database.globalDatoForbruk = [0] * (inputLine.numberOfDays + 1)
database.globalUkedagForbruk = [0] * 7
database.pengebeholdning = [0] * (inputLine.numberOfDays + 1)
for linje in fileLines:
if not (linje[0] == "#") and not (linje == "\n"):
# henter dateNum, products, user, price
restDel = linje.partition("|")
restDel = restDel[2].partition(" ")
inputLine.dateNum, inputLine.weekday = dateToDateNumFile(restDel[0], startDate)
if inputLine.dateNum < 0 or inputLine.dateNum > (inputLine.numberOfDays):
continue
restDel = restDel[2].partition("|")
restDel = restDel[2].partition("|")
products = restDel[0]
restDel = restDel[2].partition("|")
inputLine.user = restDel[0]
inputLine.price = int(restDel[2].partition("|")[0])
for inputLine.product in getProducts(products):
database = addLineToDatabase(database, inputLine)
inputLine.price = 0
# bygg database.pengebeholdning
if (inputType == 3) or (inputType == 4):
for i in range(inputLine.numberOfDays + 1):
if i > 0:
database.pengebeholdning[i] += database.pengebeholdning[i - 1]
# bygg dateLine
day = datetime.timedelta(days=1)
dateLine = []
dateLine.append(startDate)
for n in range(inputLine.numberOfDays):
dateLine.append(startDate + n * day)
return database, dateLine
def printTopDict(dictionary, n, k):
i = 0
for key in sorted(dictionary, key=dictionary.get, reverse=k):
print(key, ": ", dictionary[key])
if i < n:
i += 1
else:
break
def printTopDict2(dictionary, dictionary2, n):
print("")
print("product : price[kr] ( number )")
i = 0
for key in sorted(dictionary, key=dictionary.get, reverse=True):
print(key, ": ", dictionary[key], " (", dictionary2[key], ") ")
if i < n:
i += 1
else:
break
def printWeekdays(week, days):
if week == [] or days == 0:
return
print(
"mon: ",
"%.2f" % (week[0] * 7.0 / days),
" tue: ",
"%.2f" % (week[1] * 7.0 / days),
" wen: ",
"%.2f" % (week[2] * 7.0 / days),
" thu: ",
"%.2f" % (week[3] * 7.0 / days),
" fri: ",
"%.2f" % (week[4] * 7.0 / days),
" sat: ",
"%.2f" % (week[5] * 7.0 / days),
" sun: ",
"%.2f" % (week[6] * 7.0 / days),
)
print("forbruk per dag (snitt): ", "%.2f" % (sum(week) * 1.0 / days))
print("")
def printBalance(database, user):
forbruk = 0
if user in database.personVareVerdi:
forbruk = sum([i for i in list(database.personVareVerdi[user].values())])
print("totalt kjøpt for: ", forbruk, end=" ")
if user in database.personNegTransactions:
print("kr, totalt lagt til: ", -database.personNegTransactions[user], end=" ")
forbruk = -database.personNegTransactions[user] - forbruk
if user in database.personPosTransactions:
print("kr, totalt tatt fra boks: ", database.personPosTransactions[user], end=" ")
forbruk = forbruk - database.personPosTransactions[user]
print("balanse: ", forbruk, "kr", end=" ")
print("")
def printUser(database, dateLine, user, n):
printTopDict2(database.personVareVerdi[user], database.personVareAntall[user], n)
print("\nforbruk per ukedag [kr/dag],", end=" ")
printWeekdays(database.personUkedagVerdi[user], len(dateLine))
printBalance(database, user)
def printProduct(database, dateLine, product, n):
printTopDict(database.varePersonAntall[product], n, 1)
print("\nforbruk per ukedag [antall/dag],", end=" ")
printWeekdays(database.vareUkedagAntall[product], len(dateLine))
print(
"Det er solgt: ",
database.globalVareAntall[product],
product,
"til en verdi av: ",
database.globalVareVerdi[product],
"kr",
)
def printGlobal(database, dateLine, n):
print("\nmest lagt til: ")
printTopDict(database.personNegTransactions, n, 0)
print("\nmest tatt fra:")
printTopDict(database.personPosTransactions, n, 1)
print("\nstørst forbruk:")
printTopDict(database.globalPersonForbruk, n, 1)
printTopDict2(database.globalVareVerdi, database.globalVareAntall, n)
print("\nforbruk per ukedag [kr/dag],", end=" ")
printWeekdays(database.globalUkedagForbruk, len(dateLine))
print(
"Det er solgt varer til en verdi av: ",
sum(database.globalDatoForbruk),
"kr, det er lagt til",
-sum([i for i in list(database.personNegTransactions.values())]),
"og tatt fra",
sum([i for i in list(database.personPosTransactions.values())]),
end=" ",
)
print(
"balansen blir:",
database.pengebeholdning[len(dateLine) - 1],
"der negative verdier representerer at brukere har kreditt tilgjengelig",
)
def alt4menuTextOnly(database, dateLine):
n = 10
while 1:
print(
"\n1: user-statistics, 2: product-statistics, 3:global-statistics, n: adjust amount of data shown q:quit"
)
inp = input("")
if inp == "q":
break
elif inp == "1":
try:
printUser(database, dateLine, getUser(), n)
except:
print("\n\nSomething is not right, (last date prior to first date?)")
elif inp == "2":
try:
printProduct(database, dateLine, getProduct(), n)
except:
print("\n\nSomething is not right, (last date prior to first date?)")
elif inp == "3":
try:
printGlobal(database, dateLine, n)
except:
print("\n\nSomething is not right, (last date prior to first date?)")
elif inp == "n":
n = int(input("set number to show "))
def statisticsTextOnly():
inputType = 4
product = ""
user = ""
print("\n0: from file, 1: from database, q:quit")
inp = input("")
if inp == "1":
database, dateLine = buildDatabaseFromDb(inputType, product, user)
elif inp == "0" or inp == "":
database, dateLine = buildDatabaseFromFile("default.dibblerlog", inputType, product, user)
if not inp == "q":
alt4menuTextOnly(database, dateLine)

46
dibbler/main.py Normal file
View File

@ -0,0 +1,46 @@
import argparse
from dibbler.conf import config
parser = argparse.ArgumentParser()
parser.add_argument(
"-c",
"--config",
help="Path to the config file",
type=str,
required=False,
)
subparsers = parser.add_subparsers(
title="subcommands",
dest="subcommand",
required=True,
)
subparsers.add_parser("loop", help="Run the dibbler loop")
subparsers.add_parser("create-db", help="Create the database")
subparsers.add_parser("slabbedasker", help="Find out who is slabbedasker")
def main():
args = parser.parse_args()
config.read(args.config)
if args.subcommand == "loop":
import dibbler.subcommands.loop as loop
loop.main()
elif args.subcommand == "create-db":
import dibbler.subcommands.makedb as makedb
makedb.main()
elif args.subcommand == "slabbedasker":
import dibbler.subcommands.slabbedasker as slabbedasker
slabbedasker.main()
if __name__ == "__main__":
main()

53
dibbler/menus/__init__.py Normal file
View File

@ -0,0 +1,53 @@
__all__ = [
"AddProductMenu",
"AddStockMenu",
"AddUserMenu",
"AdjustCreditMenu",
"AdjustStockMenu",
"BalanceMenu",
"BuyMenu",
"CleanupStockMenu",
"EditProductMenu",
"EditUserMenu",
"FAQMenu",
"LoggedStatisticsMenu",
"MainMenu",
"Menu",
"PrintLabelMenu",
"ProductListMenu",
"ProductPopularityMenu",
"ProductRevenueMenu",
"ProductSearchMenu",
"ShowUserMenu",
"TransferMenu",
"UserListMenu",
]
from .addstock import AddStockMenu
from .buymenu import BuyMenu
from .editing import (
AddUserMenu,
EditUserMenu,
AddProductMenu,
EditProductMenu,
AdjustStockMenu,
CleanupStockMenu,
)
from .faq import FAQMenu
from .helpermenus import Menu
from .mainmenu import MainMenu
from .miscmenus import (
ProductSearchMenu,
TransferMenu,
AdjustCreditMenu,
UserListMenu,
ShowUserMenu,
ProductListMenu,
)
from .printermenu import PrintLabelMenu
from .stats import (
ProductPopularityMenu,
ProductRevenueMenu,
BalanceMenu,
LoggedStatisticsMenu,
)

89
text_interface/addstock.py → dibbler/menus/addstock.py
View File

@ -1,16 +1,23 @@
from math import ceil
import sqlalchemy
from db import Product, User, Transaction, PurchaseEntry, Purchase
from text_interface.helpermenus import Menu
from dibbler.models import (
Product,
Purchase,
PurchaseEntry,
Transaction,
User,
)
from .helpermenus import Menu
class AddStockMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Add stock and adjust credit', uses_db=True)
self.help_text = '''
Menu.__init__(self, "Add stock and adjust credit", uses_db=True)
self.help_text = """
Enter what you have bought for PVVVV here, along with your user name and how
much money you're due in credits for the purchase when prompted.\n'''
much money you're due in credits for the purchase when prompted.\n"""
self.users = []
self.users = []
self.products = {}
@ -18,10 +25,19 @@ much money you're due in credits for the purchase when prompted.\n'''
def _execute(self):
questions = {
(False, False): 'Enter user id or a string of the form "<number> <product>"',
(False, True): 'Enter user id or more strings of the form "<number> <product>"',
(
False,
False,
): 'Enter user id or a string of the form "<number> <product>"',
(
False,
True,
): 'Enter user id or more strings of the form "<number> <product>"',
(True, False): 'Enter a string of the form "<number> <product>"',
(True, True): 'Enter more strings of the form "<number> <product>", or an empty line to confirm'
(
True,
True,
): 'Enter more strings of the form "<number> <product>", or an empty line to confirm',
}
self.users = []
@ -34,24 +50,33 @@ much money you're due in credits for the purchase when prompted.\n'''
thing_price = 0
# Read in a 'thing' (product or user):
line = self.input_multiple(add_nonexisting=('user', 'product'), empty_input_permitted=True,
find_hidden_products=False)
line = self.input_multiple(
add_nonexisting=("user", "product"),
empty_input_permitted=True,
find_hidden_products=False,
)
if line:
(thing, amount) = line
if isinstance(thing, Product):
self.printc(f"{amount:d} of {thing.name} registered")
thing_price = self.input_int('What did you pay a piece?', 1, 100000, default=thing.price) * amount
thing_price = (
self.input_int("What did you pay a piece?", 1, 100000, default=thing.price)
* amount
)
self.price += thing_price
# once we get something in the
# purchase, we want to protect the
# user from accidentally killing it
self.exit_confirm_msg = 'Abort transaction?'
self.exit_confirm_msg = "Abort transaction?"
else:
if not self.complete_input():
if self.confirm('Not enough information entered. Abort transaction?', default=True):
if self.confirm(
"Not enough information entered. Abort transaction?",
default=True,
):
return False
continue
break
@ -67,7 +92,7 @@ much money you're due in credits for the purchase when prompted.\n'''
def print_info(self):
width = 6 + Product.name_length
print()
print(width * '-')
print(width * "-")
if self.price:
print(f"Amount to be credited:{self.price:>{width - 22}}")
if self.users:
@ -77,41 +102,47 @@ much money you're due in credits for the purchase when prompted.\n'''
print()
print("Products", end="")
print("Amount".rjust(width - 8))
print(width * '-')
print(width * "-")
if len(self.products):
for product in list(self.products.keys()):
print(f"{product.name}", end="")
print(f"{self.products[product][0]}".rjust(width - len(product.name)))
print(width * '-')
print(width * "-")
def add_thing_to_pending(self, thing, amount, price):
if isinstance(thing, User):
self.users.append(thing)
elif thing in list(self.products.keys()):
print('Already added this product, adding amounts')
print("Already added this product, adding amounts")
self.products[thing][0] += amount
self.products[thing][1] += price
else:
self.products[thing] = [amount, price]
def perform_transaction(self):
print('Did you pay a different price?')
if self.confirm('>', default=False):
self.price = self.input_int('How much did you pay?', 0, self.price, default=self.price)
print("Did you pay a different price?")
if self.confirm(">", default=False):
self.price = self.input_int("How much did you pay?", 0, self.price, default=self.price)
description = self.input_str('Log message', length_range=(0, 50))
if description == '':
description = 'Purchased products for PVVVV, adjusted credit ' + str(self.price)
description = self.input_str("Log message", length_range=(0, 50))
if description == "":
description = "Purchased products for PVVVV, adjusted credit " + str(self.price)
for product in self.products:
value = max(product.stock, 0) * product.price + self.products[product][1]
old_price = product.price
old_hidden = product.hidden
product.price = int(ceil(float(value) / (max(product.stock, 0) + self.products[product][0])))
product.stock = max(self.products[product][0], product.stock + self.products[product][0])
product.price = int(
ceil(float(value) / (max(product.stock, 0) + self.products[product][0]))
)
product.stock = max(
self.products[product][0], product.stock + self.products[product][0]
)
product.hidden = False
print(f"New stock for {product.name}: {product.stock:d}",
f"- New price: {product.price}" if old_price != product.price else "",
"- Removed hidden status" if old_hidden != product.hidden else "")
print(
f"New stock for {product.name}: {product.stock:d}",
f"- New price: {product.price}" if old_price != product.price else "",
"- Removed hidden status" if old_hidden != product.hidden else "",
)
purchase = Purchase()
for user in self.users:
@ -129,4 +160,4 @@ much money you're due in credits for the purchase when prompted.\n'''
for user in self.users:
print(f"User {user.name}'s credit is now {user.credit:d}")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not perform transaction: {e}')
print(f"Could not perform transaction: {e}")

115
text_interface/buymenu.py → dibbler/menus/buymenu.py
View File

@ -1,23 +1,31 @@
import conf
import sqlalchemy
from db import User, Purchase, PurchaseEntry, Transaction, Product
from text_interface.helpermenus import Menu
from dibbler.conf import config
from dibbler.models import (
Product,
Purchase,
PurchaseEntry,
Transaction,
User,
)
from .helpermenus import Menu
class BuyMenu(Menu):
def __init__(self, session=None):
Menu.__init__(self, 'Buy', uses_db=True)
Menu.__init__(self, "Buy", uses_db=True)
if session:
self.session = session
self.superfast_mode = False
self.help_text = '''
self.help_text = """
Each purchase may contain one or more products and one or more buyers.
Enter products (by name or bar code) and buyers (by name or bar code)
in any order. The information gathered so far is displayed after each
addition, and you can type 'what' at any time to redisplay it.
When finished, write an empty line to confirm the purchase.\n'''
When finished, write an empty line to confirm the purchase.\n"""
@staticmethod
def credit_check(user):
@ -29,7 +37,7 @@ When finished, write an empty line to confirm the purchase.\n'''
"""
assert isinstance(user, User)
return user.credit > conf.low_credit_warning_limit
return user.credit > config.getint("limits", "low_credit_warning_limit")
def low_credit_warning(self, user, timeout=False):
assert isinstance(user, User)
@ -49,7 +57,9 @@ When finished, write an empty line to confirm the purchase.\n'''
print("***********************************************************************")
print("***********************************************************************")
print("")
print(f"USER {user.name} HAS LOWER CREDIT THAN {conf.low_credit_warning_limit:d}.")
print(
f"USER {user.name} HAS LOWER CREDIT THAN {config.getint('limits', 'low_credit_warning_limit'):d}."
)
print("THIS PURCHASE WILL CHARGE YOUR CREDIT TWICE AS MUCH.")
print("CONSIDER PUTTING MONEY IN THE BOX TO AVOID THIS.")
print("")
@ -64,10 +74,10 @@ When finished, write an empty line to confirm the purchase.\n'''
def add_thing_to_purchase(self, thing, amount=1):
if isinstance(thing, User):
if thing.is_anonymous():
print('---------------------------------------------')
print('| You are now purchasing as the user anonym.|')
print('| You have to put money in the anonym-jar. |')
print('---------------------------------------------')
print("---------------------------------------------")
print("| You are now purchasing as the user anonym.|")
print("| You have to put money in the anonym-jar. |")
print("---------------------------------------------")
if not self.credit_check(thing):
if self.low_credit_warning(user=thing, timeout=self.superfast_mode):
@ -102,24 +112,32 @@ When finished, write an empty line to confirm the purchase.\n'''
if len(initial_contents) > 0 and all(map(is_product, initial_contents)):
self.superfast_mode = True
print('***********************************************')
print('****** Buy menu is in SUPERFASTmode[tm]! ******')
print('*** The purchase will be stored immediately ***')
print('*** when you enter a user. ***')
print('***********************************************')
print("***********************************************")
print("****** Buy menu is in SUPERFASTmode[tm]! ******")
print("*** The purchase will be stored immediately ***")
print("*** when you enter a user. ***")
print("***********************************************")
while True:
self.print_purchase()
self.printc({(False, False): 'Enter user or product identification',
(False, True): 'Enter user identification or more products',
(True, False): 'Enter product identification or more users',
(True, True): 'Enter more products or users, or an empty line to confirm'
}[(len(self.purchase.transactions) > 0,
len(self.purchase.entries) > 0)])
self.printc(
{
(False, False): "Enter user or product identification",
(False, True): "Enter user identification or more products",
(True, False): "Enter product identification or more users",
(
True,
True,
): "Enter more products or users, or an empty line to confirm",
}[(len(self.purchase.transactions) > 0, len(self.purchase.entries) > 0)]
)
# Read in a 'thing' (product or user):
line = self.input_multiple(add_nonexisting=('user', 'product'), empty_input_permitted=True,
find_hidden_products=False)
line = self.input_multiple(
add_nonexisting=("user", "product"),
empty_input_permitted=True,
find_hidden_products=False,
)
if line is not None:
thing, num = line
else:
@ -128,7 +146,9 @@ When finished, write an empty line to confirm the purchase.\n'''
# Possibly exit from the menu:
if thing is None:
if not self.complete_input():
if self.confirm('Not enough information entered. Abort purchase?', default=True):
if self.confirm(
"Not enough information entered. Abort purchase?", default=True
):
return False
continue
break
@ -136,7 +156,7 @@ When finished, write an empty line to confirm the purchase.\n'''
# once we get something in the
# purchase, we want to protect the
# user from accidentally killing it
self.exit_confirm_msg = 'Abort purchase?'
self.exit_confirm_msg = "Abort purchase?"
# Add the thing to our purchase object:
if not self.add_thing_to_purchase(thing, amount=num):
@ -151,20 +171,22 @@ When finished, write an empty line to confirm the purchase.\n'''
try:
self.session.commit()
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store purchase: {e}')
print(f"Could not store purchase: {e}")
else:
print('Purchase stored.')
print("Purchase stored.")
self.print_purchase()
for t in self.purchase.transactions:
if not t.user.is_anonymous():
print(f"User {t.user.name}'s credit is now {t.user.credit:d} kr")
if t.user.credit < conf.low_credit_warning_limit:
print(f'USER {t.user.name} HAS LOWER CREDIT THAN {conf.low_credit_warning_limit:d},',
'AND SHOULD CONSIDER PUTTING SOME MONEY IN THE BOX.')
if t.user.credit < config.getint("limits", "low_credit_warning_limit"):
print(
f'USER {t.user.name} HAS LOWER CREDIT THAN {config.getint("limits", "low_credit_warning_limit"):d},',
"AND SHOULD CONSIDER PUTTING SOME MONEY IN THE BOX.",
)
# Superfast mode skips a linebreak for some reason.
if self.superfast_mode:
print("")
print("")
return True
def complete_input(self):
@ -176,30 +198,33 @@ When finished, write an empty line to confirm the purchase.\n'''
entries = self.purchase.entries
if len(transactions) == 0 and len(entries) == 0:
return None
string = 'Purchase:'
string += '\n buyers: '
string = "Purchase:"
string += "\n buyers: "
if len(transactions) == 0:
string += '(empty)'
string += "(empty)"
else:
string += ', '.join(
[t.user.name + ("*" if not self.credit_check(t.user) else "") for t in transactions])
string += '\n products: '
string += ", ".join(
[t.user.name + ("*" if not self.credit_check(t.user) else "") for t in transactions]
)
string += "\n products: "
if len(entries) == 0:
string += '(empty)'
string += "(empty)"
else:
string += "\n "
string += '\n '.join([f'{e.amount:d}x {e.product.name} ({e.product.price:d} kr)' for e in entries])
string += "\n ".join(
[f"{e.amount:d}x {e.product.name} ({e.product.price:d} kr)" for e in entries]
)
if len(transactions) > 1:
string += f'\n price per person: {self.purchase.price_per_transaction():d} kr'
string += f"\n price per person: {self.purchase.price_per_transaction():d} kr"
if any(t.penalty > 1 for t in transactions):
# TODO: Use penalty multiplier instead of 2
string += f' *({self.purchase.price_per_transaction() * 2:d} kr)'
string += f" *({self.purchase.price_per_transaction() * 2:d} kr)"
string += f'\n total price: {self.purchase.price:d} kr'
string += f"\n total price: {self.purchase.price:d} kr"
if any(t.penalty > 1 for t in transactions):
total = sum(self.purchase.price_per_transaction() * t.penalty for t in transactions)
string += f'\n *total with penalty: {total} kr'
string += f"\n *total with penalty: {total} kr"
return string

216
dibbler/menus/editing.py Normal file
View File

@ -0,0 +1,216 @@
import sqlalchemy
from dibbler.models import User, Product
from .helpermenus import Menu, Selector
__all__ = [
"AddUserMenu",
"AddProductMenu",
"EditProductMenu",
"AdjustStockMenu",
"CleanupStockMenu",
"EditUserMenu",
]
class AddUserMenu(Menu):
def __init__(self):
Menu.__init__(self, "Add user", uses_db=True)
def _execute(self):
self.print_header()
username = self.input_str(
"Username (should be same as PVV username)",
regex=User.name_re,
length_range=(1, 10),
)
cardnum = self.input_str("Card number (optional)", regex=User.card_re, length_range=(0, 10))
cardnum = cardnum.lower()
rfid = self.input_str("RFID (optional)", regex=User.rfid_re, length_range=(0, 10))
user = User(username, cardnum, rfid)
self.session.add(user)
try:
self.session.commit()
print(f"User {username} stored")
except sqlalchemy.exc.IntegrityError as e:
print(f"Could not store user {username}: {e}")
self.pause()
class EditUserMenu(Menu):
def __init__(self):
Menu.__init__(self, "Edit user", uses_db=True)
self.help_text = """
The only editable part of a user is its card number and rfid.
First select an existing user, then enter a new card number for that
user, then rfid (write an empty line to remove the card number or rfid).
"""
def _execute(self):
self.print_header()
user = self.input_user("User")
self.printc(f"Editing user {user.name}")
card_str = f'"{user.card}"' if user.card is not None else "empty"
user.card = self.input_str(
f"Card number (currently {card_str})",
regex=User.card_re,
length_range=(0, 10),
empty_string_is_none=True,
)
if user.card:
user.card = user.card.lower()
rfid_str = f'"{user.rfid}"' if user.rfid is not None else "empty"
user.rfid = self.input_str(
f"RFID (currently {rfid_str})",
regex=User.rfid_re,
length_range=(0, 10),
empty_string_is_none=True,
)
try:
self.session.commit()
print(f"User {user.name} stored")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store user {user.name}: {e}")
self.pause()
class AddProductMenu(Menu):
def __init__(self):
Menu.__init__(self, "Add product", uses_db=True)
def _execute(self):
self.print_header()
bar_code = self.input_str("Bar code", regex=Product.bar_code_re, length_range=(8, 13))
name = self.input_str("Name", regex=Product.name_re, length_range=(1, Product.name_length))
price = self.input_int("Price", 1, 100000)
product = Product(bar_code, name, price)
self.session.add(product)
try:
self.session.commit()
print(f"Product {name} stored")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store product {name}: {e}")
self.pause()
class EditProductMenu(Menu):
def __init__(self):
Menu.__init__(self, "Edit product", uses_db=True)
def _execute(self):
self.print_header()
product = self.input_product("Product")
self.printc(f"Editing product {product.name}")
while True:
selector = Selector(
f"Do what with {product.name}?",
items=[
("name", "Edit name"),
("price", "Edit price"),
("barcode", "Edit barcode"),
("hidden", "Edit hidden status"),
("store", "Store"),
],
)
what = selector.execute()
if what == "name":
product.name = self.input_str(
"Name",
default=product.name,
regex=Product.name_re,
length_range=(1, product.name_length),
)
elif what == "price":
product.price = self.input_int("Price", 1, 100000, default=product.price)
elif what == "barcode":
product.bar_code = self.input_str(
"Bar code",
default=product.bar_code,
regex=Product.bar_code_re,
length_range=(8, 13),
)
elif what == "hidden":
product.hidden = self.confirm(f"Hidden(currently {product.hidden})", default=False)
elif what == "store":
try:
self.session.commit()
print(f"Product {product.name} stored")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store product {product.name}: {e}")
self.pause()
return
elif what is None:
print("Edit aborted")
return
else:
print("What what?")
class AdjustStockMenu(Menu):
def __init__(self):
Menu.__init__(self, "Adjust stock", uses_db=True)
def _execute(self):
self.print_header()
product = self.input_product("Product")
print(f"The stock of this product is: {product.stock:d}")
print("Write the number of products you have added to the stock")
print("Alternatively, correct the stock for any mistakes")
add_stock = self.input_int("Added stock", -1000, 1000, zero_allowed=False)
if add_stock > 0:
print(f"You added {add_stock:d} to the stock of {product}")
else:
print(f"You removed {add_stock:d} from the stock of {product}")
product.stock += add_stock
try:
self.session.commit()
print("Stock is now stored")
self.pause()
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store stock: {e}")
self.pause()
return
print(f"The stock is now {product.stock:d}")
class CleanupStockMenu(Menu):
def __init__(self):
Menu.__init__(self, "Stock Cleanup", uses_db=True)
def _execute(self):
self.print_header()
products = self.session.query(Product).filter(Product.stock != 0).all()
print("Every product in stock will be printed.")
print("Entering no value will keep current stock or set it to 0 if it is negative.")
print("Entering a value will set current stock to that value.")
print("Press enter to begin.")
self.pause()
changed_products = []
for product in products:
oldstock = product.stock
product.stock = self.input_int(product.name, 0, 10000, default=max(0, oldstock))
self.session.add(product)
if oldstock != product.stock:
changed_products.append((product, oldstock))
try:
self.session.commit()
print("New stocks are now stored.")
self.pause()
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store stock: {e}")
self.pause()
return
for p in changed_products:
print(p[0].name, ".", p[1], "->", p[0].stock)

81
text_interface/faq.py → dibbler/menus/faq.py
View File

@ -5,9 +5,11 @@ from .helpermenus import MessageMenu, Menu
class FAQMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Frequently Asked Questions')
self.items = [MessageMenu('What is the meaning with this program?',
'''
Menu.__init__(self, "Frequently Asked Questions")
self.items = [
MessageMenu(
"What is the meaning with this program?",
"""
We want to avoid keeping lots of cash in PVVVV's money box and to
make it easy to pay for stuff without using money. (Without using
money each time, that is. You do of course have to pay for the things
@ -19,15 +21,18 @@ class FAQMenu(Menu):
stock and adjust credit".
Alternatively, add money to the money box and use "Adjust credit" to
tell Dibbler about it.
'''),
MessageMenu('Can I still pay for stuff using cash?',
'''
""",
),
MessageMenu(
"Can I still pay for stuff using cash?",
"""
Please put money in the money box and use "Adjust Credit" so that
dibbler can keep track of credit and purchases.'''),
MessageMenu('How do I exit from a submenu/dialog/thing?',
'Type "exit", "q", or ^d.'),
MessageMenu('What does "." mean?',
'''
dibbler can keep track of credit and purchases.""",
),
MessageMenu("How do I exit from a submenu/dialog/thing?", 'Type "exit", "q", or ^d.'),
MessageMenu(
'What does "." mean?',
"""
The "." character, known as "full stop" or "period", is most often
used to indicate the end of a sentence.
@ -35,29 +40,41 @@ class FAQMenu(Menu):
read some text before continuing. Whenever some output ends with a
line containing only a period, you should read the lines above and
then press enter to continue.
'''),
MessageMenu('Why is the user interface so terribly unintuitive?',
'''
""",
),
MessageMenu(
"Why is the user interface so terribly unintuitive?",
"""
Answer #1: It is not.
Answer #2: We are trying to compete with PVV's microwave oven in
userfriendliness.
Answer #3: YOU are unintuitive.
'''),
MessageMenu('Why is there no help command?',
'There is. Have you tried typing "help"?'),
MessageMenu('Where are the easter eggs? I tried saying "moo", but nothing happened.',
'Don\'t say "moo".'),
MessageMenu('Why does the program speak English when all the users are Norwegians?',
'Godt spørsmål. Det virket sikkert som en god idé der og da.'),
MessageMenu('Why does the screen have strange colours?',
'''
""",
),
MessageMenu(
"Why is there no help command?",
'There is. Have you tried typing "help"?',
),
MessageMenu(
'Where are the easter eggs? I tried saying "moo", but nothing happened.',
'Don\'t say "moo".',
),
MessageMenu(
"Why does the program speak English when all the users are Norwegians?",
"Godt spørsmål. Det virket sikkert som en god idé der og da.",
),
MessageMenu(
"Why does the screen have strange colours?",
"""
Type "c" on the main menu to change the colours of the display, or
"cs" if you are a boring person.
'''),
MessageMenu('I found a bug; is there a reward?',
'''
""",
),
MessageMenu(
"I found a bug; is there a reward?",
"""
No.
But if you are certain that it is a bug, not a feature, then you
@ -83,9 +100,11 @@ class FAQMenu(Menu):
6. Type "restart" in Dibbler to replace the running process by a new
one using the updated files.
'''),
MessageMenu('My question isn\'t listed here; what do I do?',
'''
""",
),
MessageMenu(
"My question isn't listed here; what do I do?",
"""
DON'T PANIC.
Follow this procedure:
@ -105,4 +124,6 @@ class FAQMenu(Menu):
5. Type "restart" in Dibbler to replace the running process by a new
one using the updated files.
''')]
""",
),
]

261
text_interface/helpermenus.py → dibbler/menus/helpermenus.py
View File

@ -5,10 +5,19 @@ import re
import sys
from select import select
import conf
from db import User, Session
from helpers import search_user, search_product, guess_data_type, argmax
from text_interface import context_commands, local_help_commands, help_commands, exit_commands
from dibbler.db import Session
from dibbler.models import User
from dibbler.lib.helpers import (
search_user,
search_product,
guess_data_type,
argmax,
)
exit_commands = ["exit", "abort", "quit", "bye", "eat flaming death", "q"]
help_commands = ["help", "?"]
context_commands = ["what", "??"]
local_help_commands = ["help!", "???"]
class ExitMenu(Exception):
@ -16,10 +25,19 @@ class ExitMenu(Exception):
class Menu(object):
def __init__(self, name, items=None, prompt=None, end_prompt="> ",
return_index=True,
exit_msg=None, exit_confirm_msg=None, exit_disallowed_msg=None,
help_text=None, uses_db=False):
def __init__(
self,
name,
items=None,
prompt=None,
end_prompt="> ",
return_index=True,
exit_msg=None,
exit_confirm_msg=None,
exit_disallowed_msg=None,
help_text=None,
uses_db=False,
):
self.name = name
self.items = items if items is not None else []
self.prompt = prompt
@ -59,7 +77,7 @@ class Menu(object):
if self.context is None:
self.context = string
else:
self.context += '\n' + string
self.context += "\n" + string
def show_context(self):
print(self.header())
@ -84,8 +102,16 @@ class Menu(object):
return i
return self.items[i]
def input_str(self, prompt=None, end_prompt=None, regex=None, length_range=(None, None),
empty_string_is_none=False, timeout=None, default=None):
def input_str(
self,
prompt=None,
end_prompt=None,
regex=None,
length_range=(None, None),
empty_string_is_none=False,
timeout=None,
default=None,
):
if prompt is None:
prompt = self.prompt if self.prompt is not None else ""
if default is not None:
@ -105,13 +131,13 @@ class Menu(object):
rlist, _, _ = select([sys.stdin], [], [], timeout)
if not rlist:
# timeout occurred, simulate empty line
result = ''
result = ""
else:
result = input(prompt).strip()
else:
result = input(prompt).strip()
except EOFError:
print('quit')
print("quit")
self.exit_menu()
continue
if result in exit_commands:
@ -128,22 +154,26 @@ class Menu(object):
continue
if self.special_input_options(result):
continue
if empty_string_is_none and result == '':
if empty_string_is_none and result == "":
return None
if default is not None and result == '':
if default is not None and result == "":
return default
if regex is not None and not re.match(regex + '$', result):
if regex is not None and not re.match(regex + "$", result):
print(f'Value must match regular expression "{regex}"')
continue
if length_range != (None, None):
length = len(result)
if ((length_range[0] and length < length_range[0]) or (length_range[1] and length > length_range[1])):
if (length_range[0] and length < length_range[0]) or (
length_range[1] and length > length_range[1]
):
if length_range[0] and length_range[1]:
print(f'Value must have length in range [{length_range[0]:d}, {length_range[1]:d}]')
print(
f"Value must have length in range [{length_range[0]:d}, {length_range[1]:d}]"
)
elif length_range[0]:
print(f'Value must have length at least {length_range[0]:d}')
print(f"Value must have length at least {length_range[0]:d}")
else:
print(f'Value must have length at most {length_range[1]:d}')
print(f"Value must have length at most {length_range[1]:d}")
continue
return result
@ -170,8 +200,8 @@ class Menu(object):
def input_choice(self, number_of_choices, prompt=None, end_prompt=None):
while True:
result = self.input_str(prompt, end_prompt)
if result == '':
print('Please enter something')
if result == "":
print("Please enter something")
else:
if result.isdigit():
choice = int(result)
@ -183,9 +213,17 @@ class Menu(object):
self.invalid_menu_choice(result)
def invalid_menu_choice(self, in_str):
print('Please enter a valid choice.')
print("Please enter a valid choice.")
def input_int(self, prompt=None, minimum=None, maximum=None, null_allowed=False, zero_allowed=True, default=None):
def input_int(
self,
prompt=None,
minimum=None,
maximum=None,
null_allowed=False,
zero_allowed=True,
default=None,
):
if minimum is not None and maximum is not None:
end_prompt = f"({minimum}-{maximum})>"
elif minimum is not None:
@ -197,15 +235,15 @@ class Menu(object):
while True:
result = self.input_str(prompt + end_prompt, default=default)
if result == '' and null_allowed:
if result == "" and null_allowed:
return False
try:
value = int(result)
if minimum is not None and value < minimum:
print(f'Value must be at least {minimum:d}')
print(f"Value must be at least {minimum:d}")
continue
if maximum is not None and value > maximum:
print(f'Value must be at most {maximum:d}')
print(f"Value must be at most {maximum:d}")
continue
if not zero_allowed and value == 0:
print("Value cannot be zero")
@ -221,7 +259,7 @@ class Menu(object):
return user
def retrieve_user(self, search_str):
return self.search_ui(search_user, search_str, 'user')
return self.search_ui(search_user, search_str, "user")
def input_product(self, prompt=None, end_prompt=None):
product = None
@ -230,47 +268,73 @@ class Menu(object):
return product
def retrieve_product(self, search_str):
return self.search_ui(search_product, search_str, 'product')
return self.search_ui(search_product, search_str, "product")
def input_thing(self, prompt=None, end_prompt=None, permitted_things=('user', 'product'),
add_nonexisting=(), empty_input_permitted=False, find_hidden_products=True):
def input_thing(
self,
prompt=None,
end_prompt=None,
permitted_things=("user", "product"),
add_nonexisting=(),
empty_input_permitted=False,
find_hidden_products=True,
):
result = None
while result is None:
search_str = self.input_str(prompt, end_prompt)
if search_str == '' and empty_input_permitted:
if search_str == "" and empty_input_permitted:
return None
result = self.search_for_thing(search_str, permitted_things, add_nonexisting, find_hidden_products)
result = self.search_for_thing(
search_str, permitted_things, add_nonexisting, find_hidden_products
)
return result
def input_multiple(self, prompt=None, end_prompt=None, permitted_things=('user', 'product'),
add_nonexisting=(), empty_input_permitted=False, find_hidden_products=True):
def input_multiple(
self,
prompt=None,
end_prompt=None,
permitted_things=("user", "product"),
add_nonexisting=(),
empty_input_permitted=False,
find_hidden_products=True,
):
result = None
num = 0
while result is None:
search_str = self.input_str(prompt, end_prompt)
search_lst = search_str.split(" ")
if search_str == '' and empty_input_permitted:
if search_str == "" and empty_input_permitted:
return None
else:
result = self.search_for_thing(search_str, permitted_things, add_nonexisting, find_hidden_products)
result = self.search_for_thing(
search_str, permitted_things, add_nonexisting, find_hidden_products
)
num = 1
if (result is None) and (len(search_lst) > 1):
print('Interpreting input as "<number> <product>"')
try:
num = int(search_lst[0])
result = self.search_for_thing(" ".join(search_lst[1:]), permitted_things, add_nonexisting,
find_hidden_products)
result = self.search_for_thing(
" ".join(search_lst[1:]),
permitted_things,
add_nonexisting,
find_hidden_products,
)
# Her kan det legges inn en except ValueError,
# men da blir det fort mye plaging av brukeren
except Exception as e:
print(e)
return result, num
def search_for_thing(self, search_str, permitted_things=('user', 'product'),
add_non_existing=(), find_hidden_products=True):
search_fun = {'user': search_user,
'product': search_product}
def search_for_thing(
self,
search_str,
permitted_things=("user", "product"),
add_non_existing=(),
find_hidden_products=True,
):
search_fun = {"user": search_user, "product": search_product}
results = {}
result_values = {}
for thing in permitted_things:
@ -278,8 +342,12 @@ class Menu(object):
result_values[thing] = self.search_result_value(results[thing])
selected_thing = argmax(result_values)
if not results[selected_thing]:
thing_for_type = {'card': 'user', 'username': 'user',
'bar_code': 'product', 'rfid': 'rfid'}
thing_for_type = {
"card": "user",
"username": "user",
"bar_code": "product",
"rfid": "rfid",
}
type_guess = guess_data_type(search_str)
if type_guess is not None and thing_for_type[type_guess] in add_non_existing:
return self.search_add(search_str)
@ -301,32 +369,39 @@ class Menu(object):
def search_add(self, string):
type_guess = guess_data_type(string)
if type_guess == 'username':
if type_guess == "username":
print(f'"{string}" looks like a username, but no such user exists.')
if self.confirm(f'Create user {string}?'):
if self.confirm(f"Create user {string}?"):
user = User(string, None)
self.session.add(user)
return user
return None
if type_guess == 'card':
selector = Selector(f'"{string}" looks like a card number, but no user with that card number exists.',
[('create', f'Create user with card number {string}'),
('set', f'Set card number of an existing user to {string}')])
if type_guess == "card":
selector = Selector(
f'"{string}" looks like a card number, but no user with that card number exists.',
[
("create", f"Create user with card number {string}"),
("set", f"Set card number of an existing user to {string}"),
],
)
selection = selector.execute()
if selection == 'create':
username = self.input_str('Username for new user (should be same as PVV username)',
User.name_re, (1, 10))
if selection == "create":
username = self.input_str(
"Username for new user (should be same as PVV username)",
User.name_re,
(1, 10),
)
user = User(username, string)
self.session.add(user)
return user
if selection == 'set':
user = self.input_user('User to set card number for')
if selection == "set":
user = self.input_user("User to set card number for")
old_card = user.card
user.card = string
print(f'Card number of {user.name} set to {string} (was {old_card})')
print(f"Card number of {user.name} set to {string} (was {old_card})")
return user
return None
if type_guess == 'bar_code':
if type_guess == "bar_code":
print(f'"{string}" looks like the bar code for a product, but no such product exists.')
return None
@ -347,13 +422,14 @@ class Menu(object):
return None
limit = 9
if len(result) > limit:
select_header = f'{len(result):d} {thing}s matching "{search_str}"; showing first {limit:d}'
select_header = (
f'{len(result):d} {thing}s matching "{search_str}"; showing first {limit:d}'
)
select_items = result[:limit]
else:
select_header = f'{len(result):d} {thing}s matching "{search_str}"'
select_items = result
selector = Selector(select_header, items=select_items,
return_index=False)
selector = Selector(select_header, items=select_items, return_index=False)
return selector.execute()
@staticmethod
@ -368,11 +444,12 @@ class Menu(object):
print(self.header())
def pause(self):
self.input_str('.', end_prompt="")
self.input_str(".", end_prompt="")
@staticmethod
def general_help():
print('''
print(
"""
DIBBLER HELP
The following commands are recognized (almost) everywhere:
@ -393,14 +470,15 @@ class Menu(object):
of money PVVVV owes the user. This value decreases with the
appropriate amount when you register a purchase, and you may increase
it by putting money in the box and using the "Adjust credit" menu.
''')
"""
)
def local_help(self):
if self.help_text is None:
print('no help here')
print("no help here")
else:
print('')
print(f'Help for {self.header()}:')
print("")
print(f"Help for {self.header()}:")
print(self.help_text)
def execute(self, **kwargs):
@ -422,7 +500,7 @@ class Menu(object):
self.print_header()
self.set_context(None)
if len(self.items) == 0:
self.printc('(empty menu)')
self.printc("(empty menu)")
self.pause()
return None
for i in range(len(self.items)):
@ -443,37 +521,52 @@ class MessageMenu(Menu):
def _execute(self):
self.print_header()
print('')
print("")
print(self.message)
if self.pause_after_message:
self.pause()
class ConfirmMenu(Menu):
def __init__(self, prompt='confirm? ', end_prompt=": ", default=None, timeout=0):
Menu.__init__(self, 'question', prompt=prompt, end_prompt=end_prompt,
exit_disallowed_msg='Please answer yes or no')
def __init__(self, prompt="confirm? ", end_prompt=": ", default=None, timeout=0):
Menu.__init__(
self,
"question",
prompt=prompt,
end_prompt=end_prompt,
exit_disallowed_msg="Please answer yes or no",
)
self.default = default
self.timeout = timeout
def _execute(self):
options = {True: '[y]/n', False: 'y/[n]', None: 'y/n'}[self.default]
options = {True: "[y]/n", False: "y/[n]", None: "y/n"}[self.default]
while True:
result = self.input_str(f'{self.prompt} ({options})', end_prompt=": ", timeout=self.timeout)
result = self.input_str(
f"{self.prompt} ({options})", end_prompt=": ", timeout=self.timeout
)
result = result.lower().strip()
if result in ['y', 'yes']:
if result in ["y", "yes"]:
return True
elif result in ['n', 'no']:
elif result in ["n", "no"]:
return False
elif self.default is not None and result == '':
elif self.default is not None and result == "":
return self.default
else:
print('Please answer yes or no')
print("Please answer yes or no")
class Selector(Menu):
def __init__(self, name, items=None, prompt='select', return_index=True, exit_msg=None, exit_confirm_msg=None,
help_text=None):
def __init__(
self,
name,
items=None,
prompt="select",
return_index=True,
exit_msg=None,
exit_confirm_msg=None,
help_text=None,
):
if items is None:
items = []
Menu.__init__(self, name, items, prompt, return_index=return_index, exit_msg=exit_msg)
@ -486,9 +579,9 @@ class Selector(Menu):
def local_help(self):
if self.help_text is None:
print('This is a selection menu. Enter one of the listed numbers, or')
print('\'exit\' to go out and do something else.')
print("This is a selection menu. Enter one of the listed numbers, or")
print("'exit' to go out and do something else.")
else:
print('')
print(f'Help for selector ({self.name}):')
print("")
print(f"Help for selector ({self.name}):")
print(self.help_text)

32
text_interface/mainmenu.py → dibbler/menus/mainmenu.py
View File

@ -1,14 +1,16 @@
# -*- coding: utf-8 -*-
import os
import random
import sys
from db import Session
from text_interface import faq_commands, restart_commands
from text_interface.buymenu import BuyMenu
from text_interface.faq import FAQMenu
from text_interface.helpermenus import Menu
from dibbler.db import Session
from .buymenu import BuyMenu
from .faq import FAQMenu
from .helpermenus import Menu
faq_commands = ["faq"]
restart_commands = ["restart"]
def restart():
@ -39,18 +41,24 @@ class MainMenu(Menu):
FAQMenu().execute()
return True
if result in restart_commands:
if self.confirm('Restart Dibbler?'):
if self.confirm("Restart Dibbler?"):
restart()
pass
return True
elif result == 'c':
os.system('echo -e "\033[' + str(random.randint(40, 49)) + ';' + str(random.randint(30, 37)) + ';5m"')
os.system('clear')
elif result == "c":
os.system(
'echo -e "\033['
+ str(random.randint(40, 49))
+ ";"
+ str(random.randint(30, 37))
+ ';5m"'
)
os.system("clear")
self.show_context()
return True
elif result == 'cs':
elif result == "cs":
os.system('echo -e "\033[0m"')
os.system('clear')
os.system("clear")
self.show_context()
return True
return False

224
dibbler/menus/miscmenus.py Normal file
View File

@ -0,0 +1,224 @@
import sqlalchemy
from dibbler.conf import config
from dibbler.models import Transaction, Product, User
from dibbler.lib.helpers import less
from .helpermenus import Menu, Selector
class TransferMenu(Menu):
def __init__(self):
Menu.__init__(self, "Transfer credit between users", uses_db=True)
def _execute(self):
self.print_header()
amount = self.input_int("Transfer amount", 1, 100000)
self.set_context(f"Transferring {amount:d} kr", display=False)
user1 = self.input_user("From user")
self.add_to_context(f" from {user1.name}")
user2 = self.input_user("To user")
self.add_to_context(f" to {user2.name}")
comment = self.input_str("Comment")
self.add_to_context(f" (comment) {user2.name}")
t1 = Transaction(user1, amount, f'transfer to {user2.name} "{comment}"')
t2 = Transaction(user2, -amount, f'transfer from {user1.name} "{comment}"')
t1.perform_transaction()
t2.perform_transaction()
self.session.add(t1)
self.session.add(t2)
try:
self.session.commit()
print(f"Transferred {amount:d} kr from {user1} to {user2}")
print(f"User {user1}'s credit is now {user1.credit:d} kr")
print(f"User {user2}'s credit is now {user2.credit:d} kr")
print(f"Comment: {comment}")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not perform transfer: {e}")
# self.pause()
class ShowUserMenu(Menu):
def __init__(self):
Menu.__init__(self, "Show user", uses_db=True)
def _execute(self):
self.print_header()
user = self.input_user("User name, card number or RFID")
print(f"User name: {user.name}")
print(f"Card number: {user.card}")
print(f"RFID: {user.rfid}")
print(f"Credit: {user.credit} kr")
selector = Selector(
f"What do you want to know about {user.name}?",
items=[
(
"transactions",
"Recent transactions (List of last "
+ str(config.getint("limits", "user_recent_transaction_limit"))
+ ")",
),
("products", f"Which products {user.name} has bought, and how many"),
("transactions-all", "Everything (List of all transactions)"),
],
)
what = selector.execute()
if what == "transactions":
self.print_transactions(user, config.getint("limits", "user_recent_transaction_limit"))
elif what == "products":
self.print_purchased_products(user)
elif what == "transactions-all":
self.print_transactions(user)
else:
print("What what?")
@staticmethod
def print_transactions(user, limit=None):
num_trans = len(user.transactions)
if limit is None:
limit = num_trans
if num_trans <= limit:
string = f"{user.name}'s transactions ({num_trans:d}):\n"
else:
string = f"{user.name}'s transactions ({num_trans:d}, showing only last {limit:d}):\n"
for t in user.transactions[-1 : -limit - 1 : -1]:
string += f" * {t.time.isoformat(' ')}: {'in' if t.amount < 0 else 'out'} {abs(t.amount)} kr, "
if t.purchase:
products = []
for entry in t.purchase.entries:
if abs(entry.amount) != 1:
amount = f"{abs(entry.amount)}x "
else:
amount = ""
product = f"{amount}{entry.product.name}"
products.append(product)
string += "purchase ("
string += ", ".join(products)
string += ")"
if t.penalty > 1:
string += f" * {t.penalty:d}x penalty applied"
else:
string += t.description
string += "\n"
less(string)
@staticmethod
def print_purchased_products(user):
products = []
for ref in user.products:
product = ref.product
count = ref.count
if count > 0:
products.append((product, count))
num_products = len(products)
if num_products == 0:
print("No products purchased yet")
else:
text = ""
text += "Products purchased:\n"
for product, count in products:
text += f"{product.name:<47} {count:>3}\n"
less(text)
class UserListMenu(Menu):
def __init__(self):
Menu.__init__(self, "User list", uses_db=True)
def _execute(self):
self.print_header()
user_list = self.session.query(User).all()
total_credit = self.session.query(sqlalchemy.func.sum(User.credit)).first()[0]
line_format = "%-12s | %6s\n"
hline = "---------------------\n"
text = ""
text += line_format % ("username", "credit")
text += hline
for user in user_list:
text += line_format % (user.name, user.credit)
text += hline
text += line_format % ("total credit", total_credit)
less(text)
class AdjustCreditMenu(Menu):
def __init__(self):
Menu.__init__(self, "Adjust credit", uses_db=True)
def _execute(self):
self.print_header()
user = self.input_user("User")
print(f"User {user.name}'s credit is {user.credit:d} kr")
self.set_context(f"Adjusting credit for user {user.name}", display=False)
print("(Note on sign convention: Enter a positive amount here if you have")
print("added money to the PVVVV money box, a negative amount if you have")
print("taken money from it)")
amount = self.input_int("Add amount", -100000, 100000)
print('(The "log message" will show up in the transaction history in the')
print('"Show user" menu. It is not necessary to enter a message, but it')
print("might be useful to help you remember why you adjusted the credit)")
description = self.input_str("Log message", length_range=(0, 50))
if description == "":
description = "manually adjusted credit"
transaction = Transaction(user, -amount, description)
transaction.perform_transaction()
self.session.add(transaction)
try:
self.session.commit()
print(f"User {user.name}'s credit is now {user.credit:d} kr")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f"Could not store transaction: {e}")
# self.pause()
class ProductListMenu(Menu):
def __init__(self):
Menu.__init__(self, "Product list", uses_db=True)
def _execute(self):
self.print_header()
text = ""
product_list = (
self.session.query(Product)
.filter(Product.hidden.is_(False))
.order_by(Product.stock.desc())
)
total_value = 0
for p in product_list:
total_value += p.price * p.stock
line_format = "%-15s | %5s | %-" + str(Product.name_length) + "s | %5s \n"
text += line_format % ("bar code", "price", "name", "stock")
text += 78 * "-" + "\n"
for p in product_list:
text += line_format % (p.bar_code, p.price, p.name, p.stock)
text += 78 * "-" + "\n"
text += line_format % (
"Total value",
total_value,
"",
"",
)
less(text)
class ProductSearchMenu(Menu):
def __init__(self):
Menu.__init__(self, "Product search", uses_db=True)
def _execute(self):
self.print_header()
self.set_context("Enter (part of) product name or bar code")
product = self.input_product()
print(
"Result: %s, price: %d kr, bar code: %s, stock: %d, hidden: %s"
% (
product.name,
product.price,
product.bar_code,
product.stock,
("Y" if product.hidden else "N"),
)
)
# self.pause()

45
dibbler/menus/printermenu.py Normal file
View File

@ -0,0 +1,45 @@
import re
from dibbler.conf import config
from dibbler.models import Product, User
from dibbler.lib.printer_helpers import print_bar_code, print_name_label
from .helpermenus import Menu
class PrintLabelMenu(Menu):
def __init__(self):
Menu.__init__(self, "Print a label", uses_db=True)
self.help_text = """
Prints out a product bar code on the printer
Put it up somewhere in the vicinity.
"""
def _execute(self):
self.print_header()
thing = self.input_thing("Product/User")
if isinstance(thing, Product):
if re.match(r"^[0-9]{13}$", thing.bar_code):
bar_type = "ean13"
elif re.match(r"^[0-9]{8}$", thing.bar_code):
bar_type = "ean8"
else:
bar_type = "code39"
print_bar_code(
thing.bar_code,
thing.name,
barcode_type=bar_type,
rotate=config.getboolean("printer", "rotate"),
printer_type="QL-700",
label_type=config.get("printer", "label_type"),
)
elif isinstance(thing, User):
print_name_label(
text=thing.name,
label_type=config.get("printer", "label_type"),
rotate=config.getboolean("printer", "rotate"),
printer_type="QL-700",
)

126
dibbler/menus/stats.py Normal file
View File

@ -0,0 +1,126 @@
from sqlalchemy import desc, func
from dibbler.lib.helpers import less
from dibbler.models import PurchaseEntry, Product, User
from dibbler.lib.statistikkHelpers import statisticsTextOnly
from .helpermenus import Menu
__all__ = [
"ProductPopularityMenu",
"ProductRevenueMenu",
"BalanceMenu",
"LoggedStatisticsMenu",
]
class ProductPopularityMenu(Menu):
def __init__(self):
Menu.__init__(self, "Products by popularity", uses_db=True)
def _execute(self):
self.print_header()
text = ""
sub = (
self.session.query(
PurchaseEntry.product_id,
func.sum(PurchaseEntry.amount).label("purchase_count"),
)
.filter(PurchaseEntry.amount > 0)
.group_by(PurchaseEntry.product_id)
.subquery()
)
product_list = (
self.session.query(Product, sub.c.purchase_count)
.outerjoin((sub, Product.product_id == sub.c.product_id))
.order_by(desc(sub.c.purchase_count))
.filter(sub.c.purchase_count is not None)
.all()
)
line_format = "{0:10s} | {1:>45s}\n"
text += line_format.format("items sold", "product")
text += "-" * (31 + Product.name_length) + "\n"
for product, number in product_list:
if number is None:
continue
text += line_format.format(str(number), product.name)
less(text)
class ProductRevenueMenu(Menu):
def __init__(self):
Menu.__init__(self, "Products by revenue", uses_db=True)
def _execute(self):
self.print_header()
text = ""
sub = (
self.session.query(
PurchaseEntry.product_id,
func.sum(PurchaseEntry.amount).label("purchase_count"),
)
.filter(PurchaseEntry.amount > 0)
.group_by(PurchaseEntry.product_id)
.subquery()
)
product_list = (
self.session.query(Product, sub.c.purchase_count)
.outerjoin((sub, Product.product_id == sub.c.product_id))
.order_by(desc(sub.c.purchase_count * Product.price))
.filter(sub.c.purchase_count is not None)
.all()
)
line_format = "{0:7s} | {1:10s} | {2:6s} | {3:>45s}\n"
text += line_format.format("revenue", "items sold", "price", "product")
text += "-" * (31 + Product.name_length) + "\n"
for product, number in product_list:
if number is None:
continue
text += line_format.format(
str(number * product.price),
str(number),
str(product.price),
product.name,
)
less(text)
class BalanceMenu(Menu):
def __init__(self):
Menu.__init__(self, "Total balance of PVVVV", uses_db=True)
def _execute(self):
self.print_header()
text = ""
total_value = 0
product_list = self.session.query(Product).filter(Product.stock > 0).all()
for p in product_list:
total_value += p.stock * p.price
total_positive_credit = (
self.session.query(func.sum(User.credit)).filter(User.credit > 0).first()[0]
)
total_negative_credit = (
self.session.query(func.sum(User.credit)).filter(User.credit < 0).first()[0]
)
total_credit = total_positive_credit + total_negative_credit
total_balance = total_value - total_credit
line_format = "%15s | %5d \n"
text += line_format % ("Total value", total_value)
text += 24 * "-" + "\n"
text += line_format % ("Positive credit", total_positive_credit)
text += line_format % ("Negative credit", total_negative_credit)
text += line_format % ("Total credit", total_credit)
text += 24 * "-" + "\n"
text += line_format % ("Total balance", total_balance)
less(text)
class LoggedStatisticsMenu(Menu):
def __init__(self):
Menu.__init__(self, "Statistics from log", uses_db=True)
def _execute(self):
statisticsTextOnly()

44
dibbler/models/Base.py Normal file
View File

@ -0,0 +1,44 @@
from sqlalchemy import MetaData
from sqlalchemy.orm import (
DeclarativeBase,
declared_attr,
)
from sqlalchemy.orm.collections import (
InstrumentedDict,
InstrumentedList,
InstrumentedSet,
)
class Base(DeclarativeBase):
metadata = MetaData(
naming_convention={
"ix": "ix_%(column_0_label)s",
"uq": "uq_%(table_name)s_%(column_0_name)s",
"ck": "ck_%(table_name)s_`%(constraint_name)s`",
"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
"pk": "pk_%(table_name)s",
}
)
@declared_attr.directive
def __tablename__(cls) -> str:
return cls.__name__
def __repr__(self) -> str:
columns = ", ".join(
f"{k}={repr(v)}"
for k, v in self.__dict__.items()
if not any(
[
k.startswith("_"),
# Ensure that we don't try to print out the entire list of
# relationships, which could create an infinite loop
isinstance(v, Base),
isinstance(v, InstrumentedList),
isinstance(v, InstrumentedSet),
isinstance(v, InstrumentedDict),
]
)
)
return f"<{self.__class__.__name__}({columns})>"

47
dibbler/models/Product.py Normal file
View File

@ -0,0 +1,47 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from sqlalchemy import (
Boolean,
Integer,
String,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
if TYPE_CHECKING:
from .PurchaseEntry import PurchaseEntry
from .UserProducts import UserProducts
class Product(Base):
__tablename__ = "products"
product_id: Mapped[int] = mapped_column(Integer, primary_key=True)
bar_code: Mapped[str] = mapped_column(String(13))
name: Mapped[str] = mapped_column(String(45))
price: Mapped[int] = mapped_column(Integer)
stock: Mapped[int] = mapped_column(Integer)
hidden: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
purchases: Mapped[set[PurchaseEntry]] = relationship(back_populates="product")
users: Mapped[set[UserProducts]] = relationship(back_populates="product")
bar_code_re = r"[0-9]+"
name_re = r".+"
name_length = 45
def __init__(self, bar_code, name, price, stock=0, hidden=False):
self.name = name
self.bar_code = bar_code
self.price = price
self.stock = stock
self.hidden = hidden
def __str__(self):
return self.name

70
dibbler/models/Purchase.py Normal file
View File

@ -0,0 +1,70 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from datetime import datetime
import math
from sqlalchemy import (
DateTime,
Integer,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
from .Transaction import Transaction
if TYPE_CHECKING:
from .PurchaseEntry import PurchaseEntry
class Purchase(Base):
__tablename__ = "purchases"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
time: Mapped[datetime] = mapped_column(DateTime)
price: Mapped[int] = mapped_column(Integer)
transactions: Mapped[set[Transaction]] = relationship(
back_populates="purchase", order_by="Transaction.user_name"
)
entries: Mapped[set[PurchaseEntry]] = relationship(back_populates="purchase")
def __init__(self):
pass
def is_complete(self):
return len(self.transactions) > 0 and len(self.entries) > 0
def price_per_transaction(self, round_up=True):
if round_up:
return int(math.ceil(float(self.price) / len(self.transactions)))
else:
return int(math.floor(float(self.price) / len(self.transactions)))
def set_price(self, round_up=True):
self.price = 0
for entry in self.entries:
self.price += entry.amount * entry.product.price
if len(self.transactions) > 0:
for t in self.transactions:
t.amount = self.price_per_transaction(round_up=round_up)
def perform_purchase(self, ignore_penalty=False, round_up=True):
self.time = datetime.datetime.now()
self.set_price(round_up=round_up)
for t in self.transactions:
t.perform_transaction(ignore_penalty=ignore_penalty)
for entry in self.entries:
entry.product.stock -= entry.amount
def perform_soft_purchase(self, price, round_up=True):
self.time = datetime.datetime.now()
self.price = price
for t in self.transactions:
t.amount = self.price_per_transaction(round_up=round_up)
for t in self.transactions:
t.perform_transaction()

37
dibbler/models/PurchaseEntry.py Normal file
View File

@ -0,0 +1,37 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from sqlalchemy import (
Integer,
ForeignKey,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
if TYPE_CHECKING:
from .Product import Product
from .Purchase import Purchase
class PurchaseEntry(Base):
__tablename__ = "purchase_entries"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
amount: Mapped[int] = mapped_column(Integer)
product_id: Mapped[int] = mapped_column(ForeignKey("products.product_id"))
purchase_id: Mapped[int] = mapped_column(ForeignKey("purchases.id"))
product: Mapped[Product] = relationship(lazy="joined")
purchase: Mapped[Purchase] = relationship(lazy="joined")
def __init__(self, purchase, product, amount):
self.product = product
self.product_bar_code = product.bar_code
self.purchase = purchase
self.amount = amount

52
dibbler/models/Transaction.py Normal file
View File

@ -0,0 +1,52 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from datetime import datetime
from sqlalchemy import (
DateTime,
ForeignKey,
Integer,
String,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
if TYPE_CHECKING:
from .User import User
from .Purchase import Purchase
class Transaction(Base):
__tablename__ = "transactions"
id: Mapped[int] = mapped_column(Integer, primary_key=True)
time: Mapped[datetime] = mapped_column(DateTime)
amount: Mapped[int] = mapped_column(Integer)
penalty: Mapped[int] = mapped_column(Integer)
description: Mapped[str | None] = mapped_column(String(50))
user_name: Mapped[str] = mapped_column(ForeignKey("users.name"))
purchase_id: Mapped[int | None] = mapped_column(ForeignKey("purchases.id"))
user: Mapped[User] = relationship(lazy="joined")
purchase: Mapped[Purchase] = relationship(lazy="joined")
def __init__(self, user, amount=0, description=None, purchase=None, penalty=1):
self.user = user
self.amount = amount
self.description = description
self.purchase = purchase
self.penalty = penalty
def perform_transaction(self, ignore_penalty=False):
self.time = datetime.datetime.now()
if not ignore_penalty:
self.amount *= self.penalty
self.user.credit -= self.amount

49
dibbler/models/User.py Normal file
View File

@ -0,0 +1,49 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from sqlalchemy import (
Integer,
String,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
if TYPE_CHECKING:
from .UserProducts import UserProducts
from .Transaction import Transaction
class User(Base):
__tablename__ = "users"
name: Mapped[str] = mapped_column(String(10), primary_key=True)
credit: Mapped[str] = mapped_column(Integer)
card: Mapped[str | None] = mapped_column(String(20))
rfid: Mapped[str | None] = mapped_column(String(20))
products: Mapped[set[UserProducts]] = relationship(back_populates="user")
transactions: Mapped[set[Transaction]] = relationship(back_populates="user")
name_re = r"[a-z]+"
card_re = r"(([Nn][Tt][Nn][Uu])?[0-9]+)?"
rfid_re = r"[0-9a-fA-F]*"
def __init__(self, name, card, rfid=None, credit=0):
self.name = name
if card == "":
card = None
self.card = card
if rfid == "":
rfid = None
self.rfid = rfid
self.credit = credit
def __str__(self):
return self.name
def is_anonymous(self):
return self.card == "11122233"

31
dibbler/models/UserProducts.py Normal file
View File

@ -0,0 +1,31 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from sqlalchemy import (
Integer,
ForeignKey,
)
from sqlalchemy.orm import (
Mapped,
mapped_column,
relationship,
)
from .Base import Base
if TYPE_CHECKING:
from .User import User
from .Product import Product
class UserProducts(Base):
__tablename__ = "user_products"
user_name: Mapped[str] = mapped_column(ForeignKey("users.name"), primary_key=True)
product_id: Mapped[int] = mapped_column(ForeignKey("products.product_id"), primary_key=True)
count: Mapped[int] = mapped_column(Integer)
sign: Mapped[int] = mapped_column(Integer)
user: Mapped[User] = relationship()
product: Mapped[Product] = relationship()

17
dibbler/models/__init__.py Normal file
View File

@ -0,0 +1,17 @@
__all__ = [
'Base',
'Product',
'Purchase',
'PurchaseEntry',
'Transaction',
'User',
'UserProducts',
]
from .Base import Base
from .Product import Product
from .Purchase import Purchase
from .PurchaseEntry import PurchaseEntry
from .Transaction import Transaction
from .User import User
from .UserProducts import UserProducts

0
dibbler/subcommands/__init__.py Normal file
View File

79
dibbler/subcommands/loop.py Executable file
View File

@ -0,0 +1,79 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
import random
import sys
import traceback
from ..conf import config
from ..lib.helpers import *
from ..menus import *
random.seed()
def main():
if not config.getboolean("general", "stop_allowed"):
signal.signal(signal.SIGQUIT, signal.SIG_IGN)
if not config.getboolean("general", "stop_allowed"):
signal.signal(signal.SIGTSTP, signal.SIG_IGN)
main = MainMenu(
"Dibbler main menu",
items=[
BuyMenu(),
ProductListMenu(),
ShowUserMenu(),
UserListMenu(),
AdjustCreditMenu(),
TransferMenu(),
AddStockMenu(),
Menu(
"Add/edit",
items=[
AddUserMenu(),
EditUserMenu(),
AddProductMenu(),
EditProductMenu(),
AdjustStockMenu(),
CleanupStockMenu(),
],
),
ProductSearchMenu(),
Menu(
"Statistics",
items=[
ProductPopularityMenu(),
ProductRevenueMenu(),
BalanceMenu(),
LoggedStatisticsMenu(),
],
),
FAQMenu(),
PrintLabelMenu(),
],
exit_msg="happy happy joy joy",
exit_confirm_msg="Really quit Dibbler?",
)
if not config.getboolean("general", "quit_allowed"):
main.exit_disallowed_msg = "You can check out any time you like, but you can never leave."
while True:
# noinspection PyBroadException
try:
main.execute()
except KeyboardInterrupt:
print("")
print("Interrupted.")
except:
print("Something went wrong.")
print(f"{sys.exc_info()[0]}: {sys.exc_info()[1]}")
if config.getboolean("general", "show_tracebacks"):
traceback.print_tb(sys.exc_info()[2])
else:
break
print("Restarting main menu.")
if __name__ == "__main__":
main()

11
dibbler/subcommands/makedb.py Normal file
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@ -0,0 +1,11 @@
#!/usr/bin/python
from dibbler.models import Base
from dibbler.db import engine
def main():
Base.metadata.create_all(engine)
if __name__ == "__main__":
main()

18
dibbler/subcommands/slabbedasker.py Normal file
View File

@ -0,0 +1,18 @@
#!/usr/bin/python
from dibbler.db import Session
from dibbler.models import User
def main():
# Start an SQL session
session = Session()
# Let's find all users with a negative credit
slabbedasker = session.query(User).filter(User.credit < 0).all()
for slubbert in slabbedasker:
print(f"{slubbert.name}, {slubbert.credit}")
if __name__ == "__main__":
main()

231
dibbler/subcommands/statistikk.py Normal file
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@ -0,0 +1,231 @@
#! /usr/bin/env python
# TODO: fixme
# -*- coding: UTF-8 -*-
import matplotlib.pyplot as plt
import matplotlib.dates as mdates
from dibbler.lib.statistikkHelpers import *
def getInputType():
inp = 0
while not (inp == "1" or inp == "2" or inp == "3" or inp == "4"):
print("type 1 for user-statistics")
print("type 2 for product-statistics")
print("type 3 for global-statistics")
print("type 4 to enter loop-mode")
inp = input("")
return int(inp)
def getDateFile(date, n):
try:
if n == 0:
inp = input("start date? (yyyy-mm-dd) ")
elif n == -1:
inp = input("end date? (yyyy-mm-dd) ")
year = inp.partition("-")
month = year[2].partition("-")
return datetime.date(int(year[0]), int(month[0]), int(month[2]))
except:
print("invalid date, setting start start date")
if n == 0:
print("to date found on first line")
elif n == -1:
print("to date found on last line")
print(date)
return datetime.date(
int(date.partition("-")[0]),
int(date.partition("-")[2].partition("-")[0]),
int(date.partition("-")[2].partition("-")[2]),
)
def dateToDateNumFile(date, startDate):
year = date.partition("-")
month = year[2].partition("-")
day = datetime.date(int(year[0]), int(month[0]), int(month[2]))
deltaDays = day - startDate
return int(deltaDays.days), day.weekday()
def getProducts(products):
product = []
products = products.partition("¤")
product.append(products[0])
while products[1] == "¤":
products = products[2].partition("¤")
product.append(products[0])
return product
def piePlot(dictionary, n):
keys = []
values = []
i = 0
for key in sorted(dictionary, key=dictionary.get, reverse=True):
values.append(dictionary[key])
if i < n:
keys.append(key)
i += 1
else:
keys.append("")
plt.pie(values, labels=keys)
def datePlot(array, dateLine):
if not array == []:
plt.bar(dateLine, array)
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter("%b"))
def dayPlot(array, days):
if not array == []:
for i in range(7):
array[i] = array[i] * 7.0 / days
plt.bar(list(range(7)), array)
plt.xticks(
list(range(7)),
[
" mon",
" tue",
" wed",
" thu",
" fri",
" sat",
" sun",
],
)
def graphPlot(array, dateLine):
if not array == []:
plt.plot(dateLine, array)
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter("%b"))
def plotUser(database, dateLine, user, n):
printUser(database, dateLine, user, n)
plt.subplot(221)
piePlot(database.personVareAntall[user], n)
plt.xlabel("antall varer kjøpt gjengitt i antall")
plt.subplot(222)
datePlot(database.personDatoVerdi[user], dateLine)
plt.xlabel("penger brukt over dato")
plt.subplot(223)
piePlot(database.personVareVerdi[user], n)
plt.xlabel("antall varer kjøpt gjengitt i verdi")
plt.subplot(224)
dayPlot(database.personUkedagVerdi[user], len(dateLine))
plt.xlabel("forbruk over ukedager")
plt.show()
def plotProduct(database, dateLine, product, n):
printProduct(database, dateLine, product, n)
plt.subplot(221)
piePlot(database.varePersonAntall[product], n)
plt.xlabel("personer som har handler produktet")
plt.subplot(222)
datePlot(database.vareDatoAntall[product], dateLine)
plt.xlabel("antall produkter handlet per dag")
# plt.subplot(223)
plt.subplot(224)
dayPlot(database.vareUkedagAntall[product], len(dateLine))
plt.xlabel("antall over ukedager")
plt.show()
def plotGlobal(database, dateLine, n):
printGlobal(database, dateLine, n)
plt.subplot(231)
piePlot(database.globalVareVerdi, n)
plt.xlabel("varer kjøpt gjengitt som verdi")
plt.subplot(232)
datePlot(database.globalDatoForbruk, dateLine)
plt.xlabel("forbruk over dato")
plt.subplot(233)
graphPlot(database.pengebeholdning, dateLine)
plt.xlabel("pengebeholdning over tid (negativ verdi utgjør samlet kreditt)")
plt.subplot(234)
piePlot(database.globalPersonForbruk, n)
plt.xlabel("penger brukt av personer")
plt.subplot(235)
dayPlot(database.globalUkedagForbruk, len(dateLine))
plt.xlabel("forbruk over ukedager")
plt.show()
def alt4menu(database, dateLine, useDatabase):
n = 10
while 1:
print(
"\n1: user-statistics, 2: product-statistics, 3:global-statistics, n: adjust amount of data shown q:quit"
)
try:
inp = input("")
except:
continue
if inp == "q":
break
elif inp == "1":
if i == "0":
user = input("input full username: ")
else:
user = getUser()
plotUser(database, dateLine, user, n)
elif inp == "2":
if i == "0":
product = input("input full product name: ")
else:
product = getProduct()
plotProduct(database, dateLine, product, n)
elif inp == "3":
plotGlobal(database, dateLine, n)
elif inp == "n":
try:
n = int(input("set number to show "))
except:
pass
def main():
inputType = getInputType()
i = input("0:fil, 1:database \n? ")
if inputType == 1:
if i == "0":
user = input("input full username: ")
else:
user = getUser()
product = ""
elif inputType == 2:
if i == "0":
product = input("input full product name: ")
else:
product = getProduct()
user = ""
else:
product = ""
user = ""
if i == "0":
inputFile = input("logfil? ")
if inputFile == "":
inputFile = "default.dibblerlog"
database, dateLine = buildDatabaseFromFile(inputFile, inputType, product, user)
else:
database, dateLine = buildDatabaseFromDb(inputType, product, user)
if inputType == 1:
plotUser(database, dateLine, user, 10)
if inputType == 2:
plotProduct(database, dateLine, product, 10)
if inputType == 3:
plotGlobal(database, dateLine, 10)
if inputType == 4:
alt4menu(database, dateLine, i)
if __name__ == "__main__":
main()

19
example-config.ini Normal file
View File

@ -0,0 +1,19 @@
[general]
quit_allowed = true
stop_allowed = false
show_tracebacks = true
input_encoding = 'utf8'
[database]
; url = postgresql://robertem@127.0.0.1/pvvvv
url = sqlite:///test.db
[limits]
low_credit_warning_limit = -100
user_recent_transaction_limit = 100
# See https://pypi.org/project/brother_ql/ for label types
# Set rotate to False for endless labels
[printer]
label_type = "62"
label_rotate = false

30
flake.lock
View File

@ -1,12 +1,15 @@
{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1667395993,
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
"lastModified": 1692799911,
"narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
"rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
"type": "github"
},
"original": {
@ -17,11 +20,11 @@
},
"nixpkgs": {
"locked": {
"lastModified": 1674839022,
"narHash": "sha256-8F1U06t9glkgBC8gBfjoA2eeUb9MYRRp6NMKY3c0VEI=",
"lastModified": 1693145325,
"narHash": "sha256-Gat9xskErH1zOcLjYMhSDBo0JTBZKfGS0xJlIRnj6Rc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "14b6cf7602c341e525a8fe17ac2349769376515e",
"rev": "cddebdb60de376c1bdb7a4e6ee3d98355453fe56",
"type": "github"
},
"original": {
@ -34,6 +37,21 @@
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",

139
flake.nix
View File

@ -4,125 +4,43 @@
inputs.flake-utils.url = "github:numtide/flake-utils";
outputs = { self, nixpkgs, flake-utils }:
{
overlays.default = final: prev: {
dibbler = prev.callPackage ./nix/dibbler.nix { };
flake-utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages.${system};
in {
packages = {
default = self.packages.${system}.dibbler;
dibbler = pkgs.callPackage ./nix/dibbler.nix {
python3Packages = pkgs.python311Packages;
};
};
} //
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlays.default ];
apps = {
default = self.apps.${system}.dibbler;
dibbler = flake-utils.lib.mkApp {
drv = self.packages.${system}.dibbler;
};
in {
packages = rec {
dibbler = pkgs.dibbler;
# dibblerCross = pkgs.pkgsCross.aarch64-multiplatform.dibbler;
default = dibbler;
};
apps = rec {
dibbler = flake-utils.lib.mkApp {
drv = self.packages.${system}.dibbler;
};
default = dibbler;
};
}
) //
};
{
nixosModules.default = { config, pkgs, ... }: let
inherit (nixpkgs.legacyPackages."x86_64-linux") lib;
cfg = config.services.dibbler;
in {
options.services.dibbler = {
package = lib.mkPackageOption pkgs "dibbler" { };
config = lib.mkOption {
default = ./conf.py;
};
};
config = let
screen = "${pkgs.screen}/bin/screen";
in {
nixpkgs.overlays = [ self.overlays.default ];
boot = {
consoleLogLevel = 0;
enableContainers = false;
loader.grub.enable = false;
};
users = {
groups.dibbler = { };
users.dibbler = {
group = "dibbler";
extraGroups = [ "lp" ];
isNormalUser = true;
shell = ((pkgs.writeShellScriptBin "login-shell" "${screen} -x dibbler") // {shellPath = "/bin/login-shell";});
};
};
};
systemd.services.screen-daemon = {
description = "Dibbler service screen";
wantedBy = [ "default.target" ];
serviceConfig = {
ExecStartPre = "-${screen} -X -S dibbler kill";
ExecStart = "${screen} -dmS dibbler -O -l ${cfg.package.override { conf = cfg.config; }}/bin/dibbler";
ExecStartPost = "${screen} -X -S dibbler width 42 80";
User = "dibbler";
Group = "dibbler";
Type = "forking";
RemainAfterExit = false;
Restart = "always";
RestartSec = "5s";
SuccessExitStatus = 1;
};
};
# https://github.com/NixOS/nixpkgs/issues/84105
boot.kernelParams = [
"console=ttyUSB0,9600"
"console=tty1"
devShells = {
default = self.devShells.${system}.dibbler;
dibbler = pkgs.mkShell {
packages = with pkgs; [
python311Packages.black
ruff
];
systemd.services."serial-getty@ttyUSB0" = {
enable = true;
wantedBy = [ "getty.target" ]; # to start at boot
serviceConfig.Restart = "always"; # restart when session is closed
};
services = {
openssh = {
enable = true;
permitRootLogin = "yes";
};
getty.autologinUser = lib.mkForce "dibbler";
udisks2.enable = false;
};
networking.firewall.logRefusedConnections = false;
console.keyMap = "no";
programs.command-not-found.enable = false;
i18n.supportedLocales = [ "en_US.UTF-8/UTF-8" ];
environment.noXlibs = true;
documentation = {
info.enable = false;
man.enable = false;
};
security = {
polkit.enable = lib.mkForce false;
audit.enable = false;
};
};
};
} //
})
//
{
# Note: using the module requires that you have applied the
# overlay first
nixosModules.default = import ./nix/module.nix;
images.skrot = self.nixosConfigurations.skrot.config.system.build.sdImage;
nixosConfigurations.skrot = nixpkgs.lib.nixosSystem {
system = "aarch64-linux";
modules = [
@ -155,6 +73,5 @@
})
];
};
images.skrot = self.nixosConfigurations.skrot.config.system.build.sdImage;
};
}

128
helpers.py
View File

@ -1,128 +0,0 @@
from db import *
from sqlalchemy import or_, and_
import pwd
import subprocess
import os
import signal
def search_user(string, session, ignorethisflag=None):
string = string.lower()
exact_match = session.query(User).filter(or_(User.name == string, User.card == string, User.rfid == string)).first()
if exact_match:
return exact_match
user_list = session.query(User).filter(or_(User.name.ilike(f'%{string}%'),
User.card.ilike(f'%{string}%'),
User.rfid.ilike(f'%{string}%'))).all()
return user_list
def search_product(string, session, find_hidden_products=True):
if find_hidden_products:
exact_match = session.query(Product).filter(or_(Product.bar_code == string, Product.name == string)).first()
else:
exact_match = session.query(Product).filter(or_(Product.bar_code == string,
and_(Product.name == string, Product.hidden == False))).first()
if exact_match:
return exact_match
if find_hidden_products:
product_list = session.query(Product).filter(or_(Product.bar_code.ilike(f'%{string}%'),
Product.name.ilike(f'%{string}%'))).all()
else:
product_list = session.query(Product).filter(or_(Product.bar_code.ilike(f'%{string}%'),
and_(Product.name.ilike(f'%{string}%'),
Product.hidden == False))).all()
return product_list
def system_user_exists(username):
try:
pwd.getpwnam(username)
except KeyError:
return False
except UnicodeEncodeError:
return False
else:
return True
def guess_data_type(string):
if string.startswith('ntnu') and string[4:].isdigit():
return 'card'
if string.isdigit() and len(string) == 10:
return 'rfid'
if string.isdigit() and len(string) in [8,13]:
return 'bar_code'
# if string.isdigit() and len(string) > 5:
# return 'card'
if string.isalpha() and string.islower() and system_user_exists(string):
return 'username'
return None
# def retrieve_user(string, session):
# # first = session.query(User).filter(or_(User.name==string, User.card==string)).first()
# search = search_user(string,session)
# if isinstance(search,User):
# print "Found user "+search.name
# return search
# else:
# if len(search) == 0:
# print "No users found matching your search"
# return None
# if len(search) == 1:
# print "Found one user: "+list[0].name
# if confirm():
# return list[0]
# else:
# return None
# else:
# print "Found "+str(len(search))+" users:"
# return select_from_list(search)
# def confirm(prompt='Confirm? (y/n) '):
# while True:
# input = raw_input(prompt)
# if input in ["y","yes"]:
# return True
# elif input in ["n","no"]:
# return False
# else:
# print "Nonsense!"
# def select_from_list(list):
# while True:
# for i in range(len(list)):
# print i+1, " ) ", list[i].name
# choice = raw_input("Select user :\n")
# if choice in [str(x+1) for x in range(len(list))]:
# return list[int(choice)-1]
# else:
# return None
def argmax(d, all=False, value=None):
maxarg = None
maxargs = []
if value != None:
dd = d
d = {}
for key in list(dd.keys()):
d[key] = value(dd[key])
for key in list(d.keys()):
if maxarg == None or d[key] > d[maxarg]:
maxarg = key
if all:
return [k for k in list(d.keys()) if d[k] == d[maxarg]]
return maxarg
def less(string):
'''
Run less with string as input; wait until it finishes.
'''
# If we don't ignore SIGINT while running the `less` process,
# it will become a zombie when someone presses C-c.
int_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
env = dict(os.environ)
env['LESSSECURE'] = '1'
proc = subprocess.Popen('less', env=env, encoding='utf-8', stdin=subprocess.PIPE)
proc.communicate(string)
signal.signal(signal.SIGINT, int_handler)

4
makedb.py
View File

@ -1,4 +0,0 @@
#!/usr/bin/python
import db
db.Base.metadata.create_all(db.engine)

47
migration-2017-02-04.sql
View File

@ -1,47 +0,0 @@
ALTER TABLE pvv_vv.products RENAME TO products_old;
CREATE TABLE pvv_vv.products
(
product_id serial,
bar_code character varying(13) NOT NULL,
name character varying(45),
price integer,
stock integer NOT NULL,
CONSTRAINT product_pkey PRIMARY KEY (product_id),
CONSTRAINT barcode_unique UNIQUE (bar_code)
)
INSERT INTO pvv_vv.products (bar_code, name, price, stock)
SELECT bar_code, name, price, stock FROM products_old;
ALTER TABLE pvv_vv.purchase_entries RENAME TO purchase_entries_old;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_pkey TO purchase_entries_old_pkey;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_purchase_id_fkey TO purchase_entries_old_purchase_id_fkey;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_product_bar_code_fkey TO purchase_entries_old_product_bar_code_fkey;
CREATE TABLE pvv_vv.purchase_entries
(
id serial,
purchase_id integer,
product_id integer,
amount integer,
CONSTRAINT purchase_entries_pkey PRIMARY KEY (id),
CONSTRAINT purchase_entries_product_id_fkey FOREIGN KEY (product_id)
REFERENCES pvv_vv.products (product_id) MATCH SIMPLE
ON UPDATE NO ACTION
ON DELETE NO ACTION,
CONSTRAINT purchase_entries_purchase_id_fkey FOREIGN KEY (purchase_id)
REFERENCES pvv_vv.purchases (id) MATCH SIMPLE
ON UPDATE NO ACTION
ON DELETE NO ACTION
);
INSERT INTO purchase_entries (id, purchase_id, product_id, amount)
SELECT peo.id, peo.purchase_id, p.product_id, peo.amount
FROM purchase_entries_old AS peo
JOIN products AS p ON p.bar_code = peo.product_bar_code;
ALTER TABLE pvv_vv.transactions
ADD COLUMN penalty integer DEFAULT 1;
DROP TABLE products_old;
DROP TABLE purchase_entries_old;

34
nix/dibbler.nix
View File

@ -1,38 +1,20 @@
{ lib, python3Packages, fetchFromGitHub
, conf ? ../conf.py
{ lib
, python3Packages
, fetchFromGitHub
}:
python3Packages.buildPythonApplication {
pname = "dibbler";
version = "unstable-2021-09-07";
format = "other";
src = lib.cleanSource ../.;
format = "pyproject";
nativeBuildInputs = with python3Packages; [ setuptools ];
propagatedBuildInputs = with python3Packages; [
brother-ql
sqlalchemy
matplotlib
psycopg2
python-barcode
sqlalchemy
];
preInstall = ''
libdir=$out/lib/${python3Packages.python.libPrefix}/site-packages
mkdir -p $out/bin $libdir
'';
installPhase = ''
runHook preInstall
libdir=$out/lib/${python3Packages.python.libPrefix}/site-packages
mv * $libdir
cp ${conf} $libdir/
mv $libdir/text_based.py $out/bin/dibbler
runHook postInstall
'';
}

84
nix/module.nix Normal file
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{ config, pkgs, lib, ... }: let
cfg = config.services.dibbler;
in {
options.services.dibbler = {
package = lib.mkPackageOption pkgs "dibbler" { };
config = lib.mkOption {
default = ../conf.py;
};
};
config = let
screen = "${pkgs.screen}/bin/screen";
in {
boot = {
consoleLogLevel = 0;
enableContainers = false;
loader.grub.enable = false;
};
users = {
groups.dibbler = { };
users.dibbler = {
group = "dibbler";
extraGroups = [ "lp" ];
isNormalUser = true;
shell = ((pkgs.writeShellScriptBin "login-shell" "${screen} -x dibbler") // {shellPath = "/bin/login-shell";});
};
};
systemd.services.screen-daemon = {
description = "Dibbler service screen";
wantedBy = [ "default.target" ];
serviceConfig = {
ExecStartPre = "-${screen} -X -S dibbler kill";
ExecStart = "${screen} -dmS dibbler -O -l ${cfg.package}/bin/dibbler --config ${cfg.config} loop";
ExecStartPost = "${screen} -X -S dibbler width 42 80";
User = "dibbler";
Group = "dibbler";
Type = "forking";
RemainAfterExit = false;
Restart = "always";
RestartSec = "5s";
SuccessExitStatus = 1;
};
};
# https://github.com/NixOS/nixpkgs/issues/84105
boot.kernelParams = [
"console=ttyUSB0,9600"
"console=tty1"
];
systemd.services."serial-getty@ttyUSB0" = {
enable = true;
wantedBy = [ "getty.target" ]; # to start at boot
serviceConfig.Restart = "always"; # restart when session is closed
};
services = {
openssh = {
enable = true;
permitRootLogin = "yes";
};
getty.autologinUser = lib.mkForce "dibbler";
udisks2.enable = false;
};
networking.firewall.logRefusedConnections = false;
console.keyMap = "no";
programs.command-not-found.enable = false;
i18n.supportedLocales = [ "en_US.UTF-8/UTF-8" ];
environment.noXlibs = true;
documentation = {
info.enable = false;
man.enable = false;
};
security = {
polkit.enable = lib.mkForce false;
audit.enable = false;
};
};
}

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pyproject.toml Normal file
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[build-system]
requires = ["setuptools", "setuptools-scm"]
build-backend = "setuptools.build_meta"
[project]
name = "dibbler"
authors = []
description = "EDB-system for PVV"
readme = "README.md"
requires-python = ">=3.11"
license = {text = "BSD-3-Clause"}
classifiers = [
"Programming Language :: Python :: 3",
]
dependencies = [
"SQLAlchemy >= 2.0, <2.1",
"brother-ql",
"matplotlib",
"psycopg2 >= 2.8, <2.10",
"python-barcode",
]
dynamic = ["version"]
[tool.setuptools.packages.find]
include = ["dibbler*"]
[project.scripts]
dibbler = "dibbler.main:main"
[tool.black]
line-length = 100
[tool.ruff]
line-length = 100

4
requirements.txt
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brother-ql >= 0.9.4, <1
SQLAlchemy >= 1.3.8, <1.4
psycopg2-binary >= 2.8.3, <2.9
python-barcode >= 0.10, <0.11

9
slabbedasker.py
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#!/usr/bin/python
from db import *
# Start an SQL session
session=Session()
# Let's find all users with a negative credit
slabbedasker=session.query(User).filter(User.credit<0).all()
for slubbert in slabbedasker:
print(f"{slubbert.name}, {slubbert.credit}")

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special_barcodes/barcode.tex
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\documentclass[a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{fullpage}
\usepackage{pstricks}
\usepackage{pst-barcode}
\title{Dibbler Special Barcodes}
\date{}
\begin{document}
\maketitle
\setlength\tabcolsep{25pt}
\begin{tabular}{ccc}
\begin{pspicture}(3,1.2in)
\psbarcode[scalex=0.8,scaley=0.8]{4242424242420}{includetext guardwhitespace}{ean13}
\end{pspicture}
&
\begin{pspicture}(3,1.2in)
\psbarcode[scalex=0.8,scaley=0.8]{7640140330815}{includetext guardwhitespace}{ean13}
\end{pspicture}
&
\begin{pspicture}(3,1.2in)
\psbarcode[scalex=0.8,scaley=0.8]{7024850087007}{includetext guardwhitespace}{ean13}
\end{pspicture}
\\
PVV-skjorte &
Nespresso-kapsel &
Risengrynsgraut
\\
\begin{pspicture}(3,1.2in)
\psbarcode[scalex=0.8,scaley=0.8]{7024850087014}{includetext guardwhitespace}{ean13}
\end{pspicture}
&
\begin{pspicture}(3,1.2in)
\psbarcode[scalex=0.8,scaley=0.8]{5000159410946}{includetext guardwhitespace}{ean13}
\end{pspicture}
&
\\
Rømmegraut
&
Snickers mini
&
\end{tabular}
\end{document}

45
special_barcodes/userbarcodes.tex
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\documentclass[a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{fullpage}
\usepackage{pstricks}
\usepackage{pst-barcode}
\usepackage{graphicx}
\title{User Barcodes}
\date{}
\begin{document}
%
\maketitle
\setlength\tabcolsep{40pt}
%
\begin{tabular}{ccc}
\includegraphics[width=0.20\textwidth]{userimages/alfkjempestor}
&
\includegraphics[width=0.20\textwidth]{userimages/tirilane}
\\
\begin{pspicture}(3,1.0in)
\psbarcode[scalex=0.8,scaley=0.8]{NTNU457343}{includetext guardwhitespace}{code39}
\end{pspicture}
&
\begin{pspicture}(3,1.0in)
\psbarcode[scalex=0.8,scaley=0.8]{NTNU318657}{includetext guardwhitespace}{code39}
\end{pspicture}
\\
\includegraphics[width=0.20\textwidth]{userimages/oysteini}
&
\includegraphics[width=0.20\textwidth]{userimages/almelid}
\\
\begin{pspicture}(3,1.0in)
\psbarcode[scalex=0.8,scaley=0.8]{NTNU458221}{includetext guardwhitespace}{code39}
\end{pspicture}
&
\begin{pspicture}(3,1.0in)
\psbarcode[scalex=0.8,scaley=0.8]{ALMELID}{includetext guardwhitespace}{code39}
\end{pspicture}
\\
\end{tabular}
%
\end{document}

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special_barcodes/userimages/oysteini.eps
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197
statistikk.py
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#! /usr/bin/env python
# -*- coding: UTF-8 -*-
import matplotlib.pyplot as plt
from statistikkHelpers import *
import matplotlib.dates as mdates
def getInputType():
inp = 0
while not (inp == '1' or inp == '2' or inp == '3' or inp == '4'):
print('type 1 for user-statistics')
print('type 2 for product-statistics')
print('type 3 for global-statistics')
print('type 4 to enter loop-mode')
inp = input('')
return int(inp)
def getDateFile(date, n):
try:
if n==0:
inp = input('start date? (yyyy-mm-dd) ')
elif n==-1:
inp = input('end date? (yyyy-mm-dd) ')
year = inp.partition('-')
month = year[2].partition('-')
return datetime.date(int(year[0]), int(month[0]), int(month[2]))
except:
print('invalid date, setting start start date')
if n==0:
print('to date found on first line')
elif n==-1:
print('to date found on last line')
print(date)
return datetime.date(int(date.partition('-')[0]), int(date.partition('-')[2].partition('-')[0]), int(date.partition('-')[2].partition('-')[2]))
def dateToDateNumFile(date, startDate):
year = date.partition('-')
month = year[2].partition('-')
day = datetime.date(int(year[0]), int(month[0]), int(month[2]))
deltaDays = day-startDate
return int(deltaDays.days), day.weekday()
def getProducts(products):
product = []
products = products.partition('¤')
product.append(products[0])
while (products[1]=='¤'):
products = products[2].partition('¤')
product.append(products[0])
return product
def piePlot(dictionary, n):
keys = []
values = []
i=0
for key in sorted(dictionary, key=dictionary.get, reverse=True):
values.append(dictionary[key])
if i<n:
keys.append(key)
i += 1
else:
keys.append('')
plt.pie(values, labels=keys)
def datePlot(array, dateLine):
if (not array == []):
plt.bar(dateLine, array)
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter('%b'))
def dayPlot(array, days):
if (not array == []):
for i in range(7):
array[i]=array[i]*7.0/days
plt.bar(list(range(7)), array)
plt.xticks(list(range(7)),[' mon',' tue',' wed',' thu',' fri',' sat',' sun'])
def graphPlot(array, dateLine):
if (not array == []):
plt.plot(dateLine, array)
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter('%b'))
def plotUser(database, dateLine, user, n):
printUser(database, dateLine, user, n)
plt.subplot(221)
piePlot(database.personVareAntall[user], n)
plt.xlabel('antall varer kjøpt gjengitt i antall')
plt.subplot(222)
datePlot(database.personDatoVerdi[user], dateLine)
plt.xlabel('penger brukt over dato')
plt.subplot(223)
piePlot(database.personVareVerdi[user], n)
plt.xlabel('antall varer kjøpt gjengitt i verdi')
plt.subplot(224)
dayPlot(database.personUkedagVerdi[user], len(dateLine))
plt.xlabel('forbruk over ukedager')
plt.show()
def plotProduct(database, dateLine, product, n):
printProduct(database, dateLine, product, n)
plt.subplot(221)
piePlot(database.varePersonAntall[product], n)
plt.xlabel('personer som har handler produktet')
plt.subplot(222)
datePlot(database.vareDatoAntall[product], dateLine)
plt.xlabel('antall produkter handlet per dag')
#plt.subplot(223)
plt.subplot(224)
dayPlot(database.vareUkedagAntall[product], len(dateLine))
plt.xlabel('antall over ukedager')
plt.show()
def plotGlobal(database, dateLine, n):
printGlobal(database, dateLine, n)
plt.subplot(231)
piePlot(database.globalVareVerdi, n)
plt.xlabel('varer kjøpt gjengitt som verdi')
plt.subplot(232)
datePlot(database.globalDatoForbruk, dateLine)
plt.xlabel('forbruk over dato')
plt.subplot(233)
graphPlot(database.pengebeholdning, dateLine)
plt.xlabel('pengebeholdning over tid (negativ verdi utgjør samlet kreditt)')
plt.subplot(234)
piePlot(database.globalPersonForbruk, n)
plt.xlabel('penger brukt av personer')
plt.subplot(235)
dayPlot(database.globalUkedagForbruk, len(dateLine))
plt.xlabel('forbruk over ukedager')
plt.show()
def alt4menu(database, dateLine, useDatabase):
n=10
while 1:
print('\n1: user-statistics, 2: product-statistics, 3:global-statistics, n: adjust amount of data shown q:quit')
try:
inp = input('')
except:
continue
if inp == 'q':
break
elif inp == '1':
if i=='0':
user = input('input full username: ')
else:
user = getUser()
plotUser(database, dateLine, user, n)
elif inp == '2':
if i=='0':
product = input('input full product name: ')
else:
product = getProduct()
plotProduct(database, dateLine, product, n)
elif inp == '3':
plotGlobal(database, dateLine, n)
elif inp == 'n':
try:
n=int(input('set number to show '));
except:
pass
#---------------------------------------MAIN-------------------------------------
inputType=getInputType()
i = input('0:fil, 1:database \n? ')
if (inputType == 1):
if i=='0':
user = input('input full username: ')
else:
user = getUser()
product = ''
elif (inputType == 2):
if i=='0':
product = input('input full product name: ')
else:
product = getProduct()
user = ''
else :
product = ''
user = ''
if i=='0':
inputFile=input('logfil? ')
if inputFile=='':
inputFile='default.dibblerlog'
database, dateLine = buildDatabaseFromFile(inputFile, inputType, product, user)
else:
database, dateLine = buildDatabaseFromDb(inputType, product, user)
if (inputType==1):
plotUser(database, dateLine, user, 10)
if (inputType==2):
plotProduct(database, dateLine, product, 10)
if (inputType==3):
plotGlobal(database, dateLine, 10)
if (inputType==4):
alt4menu(database, dateLine, i)

417
statistikkHelpers.py
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@ -1,417 +0,0 @@
#! /usr/bin/env python
# -*- coding: UTF-8 -*-
import datetime
from collections import defaultdict
import operator
from helpers import *
import sys
import db
def getUser():
while 1:
string = input('user? ')
session = Session()
user = search_user(string, session)
session.close()
if not isinstance(user, list):
return user.name
i=0
if len(user)==0:
print('no matching string')
if len(user)==1:
print('antar: ', user[0].name, '\n')
return user[0].name
if len(user)>10:
continue
for u in user:
print(i, u.name)
i += 1
try:
n = int(input ('enter number:'))
except:
print('invalid input, restarting')
continue
if (n>-1) and (n<i):
return user[n].name
def getProduct():
while 1:
string = input('product? ')
session = Session()
product = search_product(string, session)
session.close()
if not isinstance(product, list):
return product.name
i=0
if len(product)==0:
print('no matching string')
if len(product)==1:
print('antar: ', product[0].name, '\n')
return product[0].name
if len(product)>10:
continue
for u in product:
print(i, u.name)
i += 1
try:
n = int(input ('enter number:'))
except:
print('invalid input, restarting')
continue
if (n>-1) and (n<i):
return product[n].name
class Database:
#for varer
varePersonAntall = defaultdict(dict) #varePersonAntall[Oreo][trygvrad] == 3
vareDatoAntall = defaultdict(list) #dict->array
vareUkedagAntall = defaultdict(list)
#for personer
personVareAntall = defaultdict(dict) #personVareAntall[trygvrad][Oreo] == 3
personVareVerdi = defaultdict(dict) #personVareVerdi[trygvrad][Oreo] == 30 #[kr]
personDatoVerdi = defaultdict(list) #dict->array
personUkedagVerdi = defaultdict(list)
#for global
personPosTransactions = {} # personPosTransactions[trygvrad] == 100 #trygvrad har lagt 100kr i boksen
personNegTransactions = {} # personNegTransactions[trygvrad» == 70 #trygvrad har tatt 70kr fra boksen
globalVareAntall = {}#globalVareAntall[Oreo] == 3
globalVareVerdi = {}#globalVareVerdi[Oreo] == 30 #[kr]
globalPersonAntall = {}#globalPersonAntall[trygvrad] == 3
globalPersonForbruk = {}#globalPersonVerdi == 30 #[kr]
globalUkedagForbruk = []
globalDatoVarer = []
globalDatoForbruk = []
pengebeholdning = []
class InputLine:
def __init__(self, u, p, t):
self.inputUser = u
self.inputProduct = p
self.inputType = t
def getDateDb(date, inp):
try:
year = inp.partition('-')
month = year[2].partition('-')
return datetime.datetime(int(year[0]), int(month[0]), int(month[2]))
except:
print('invalid date, setting date to date found in db')
print(date)
return date
def dateToDateNumDb(date, startDate):
deltaDays = date-startDate
return int(deltaDays.days), date.weekday()
def getInputType():
inp = 0
while not (inp == '1' or inp == '2' or inp == '3' or inp == '4'):
print('type 1 for user-statistics')
print('type 2 for product-statistics')
print('type 3 for global-statistics')
print('type 4 to enter loop-mode')
inp = input('')
return int(inp)
def getProducts(products):
product = []
products = products.partition('¤')
product.append(products[0])
while (products[1]=='¤'):
products = products[2].partition('¤')
product.append(products[0])
return product
def getDateFile(date, inp):
try:
year = inp.partition('-')
month = year[2].partition('-')
return datetime.date(int(year[0]), int(month[0]), int(month[2]))
except:
print('invalid date, setting date to date found on file file')
print(date)
return datetime.date(int(date.partition('-')[0]), int(date.partition('-')[2].partition('-')[0]), int(date.partition('-')[2].partition('-')[2]))
def dateToDateNumFile(date, startDate):
year = date.partition('-')
month = year[2].partition('-')
day = datetime.date(int(year[0]), int(month[0]), int(month[2]))
deltaDays = day-startDate
return int(deltaDays.days), day.weekday()
def clearDatabase(database):
database.varePersonAntall.clear()
database.vareDatoAntall.clear()
database.vareUkedagAntall.clear()
database.personVareAntall.clear()
database.personVareVerdi.clear()
database.personDatoVerdi.clear()
database.personUkedagVerdi.clear()
database.personPosTransactions.clear()
database.personNegTransactions.clear()
database.globalVareAntall.clear()
database.globalVareVerdi.clear()
database.globalPersonAntall.clear()
database.globalPersonForbruk.clear()
return(database)
def addLineToDatabase(database, inputLine):
if abs(inputLine.price)>90000:
return database
#fyller inn for varer
if (not inputLine.product=='') and ((inputLine.inputProduct=='') or (inputLine.inputProduct==inputLine.product)):
database.varePersonAntall[inputLine.product][inputLine.user] = database.varePersonAntall[inputLine.product].setdefault(inputLine.user,0) + 1
if inputLine.product not in database.vareDatoAntall:
database.vareDatoAntall[inputLine.product] = [0]*(inputLine.numberOfDays+1)
database.vareDatoAntall[inputLine.product][inputLine.dateNum] += 1
if inputLine.product not in database.vareUkedagAntall:
database.vareUkedagAntall[inputLine.product] = [0]*7
database.vareUkedagAntall[inputLine.product][inputLine.weekday] += 1
#fyller inn for personer
if (inputLine.inputUser=='') or (inputLine.inputUser==inputLine.user):
if not inputLine.product == '':
database.personVareAntall[inputLine.user][inputLine.product] = database.personVareAntall[inputLine.user].setdefault(inputLine.product,0) + 1
database.personVareVerdi[inputLine.user][inputLine.product] = database.personVareVerdi[inputLine.user].setdefault(inputLine.product,0) + inputLine.price
if inputLine.user not in database.personDatoVerdi:
database.personDatoVerdi[inputLine.user] = [0]*(inputLine.numberOfDays+1)
database.personDatoVerdi[inputLine.user][inputLine.dateNum] += inputLine.price
if inputLine.user not in database.personUkedagVerdi:
database.personUkedagVerdi[inputLine.user] = [0]*7
database.personUkedagVerdi[inputLine.user][inputLine.weekday] += inputLine.price
#fyller inn delt statistikk (genereres uansett)
if (inputLine.product==''):
if (inputLine.price>0):
database.personPosTransactions[inputLine.user] = database.personPosTransactions.setdefault(inputLine.user,0) + inputLine.price
else:
database.personNegTransactions[inputLine.user] = database.personNegTransactions.setdefault(inputLine.user,0) + inputLine.price
elif not (inputLine.inputType==1):
database.globalVareAntall[inputLine.product] = database.globalVareAntall.setdefault(inputLine.product,0) + 1
database.globalVareVerdi[inputLine.product] = database.globalVareVerdi.setdefault(inputLine.product,0) + inputLine.price
#fyller inn for global statistikk
if (inputLine.inputType==3) or (inputLine.inputType==4):
database.pengebeholdning[inputLine.dateNum] += inputLine.price
if not (inputLine.product==''):
database.globalPersonAntall[inputLine.user] = database.globalPersonAntall.setdefault(inputLine.user,0) + 1
database.globalPersonForbruk[inputLine.user] = database.globalPersonForbruk.setdefault(inputLine.user,0) + inputLine.price
database.globalDatoVarer[inputLine.dateNum] += 1
database.globalDatoForbruk[inputLine.dateNum] += inputLine.price
database.globalUkedagForbruk[inputLine.weekday] += inputLine.price
return database
def buildDatabaseFromDb(inputType, inputProduct, inputUser):
sdate = input('enter start date (yyyy-mm-dd)? ')
edate = input('enter end date (yyyy-mm-dd)? ')
print('building database...')
session = Session()
transaction_list = session.query(Transaction).all()
inputLine = InputLine(inputUser, inputProduct, inputType)
startDate = getDateDb(transaction_list[0].time, sdate)
endDate = getDateDb(transaction_list[-1].time, edate)
inputLine.numberOfDays = (endDate-startDate).days
database = Database()
database = clearDatabase(database)
if (inputType==3) or (inputType==4):
database.globalDatoVarer = [0]*(inputLine.numberOfDays+1)
database.globalDatoForbruk = [0]*(inputLine.numberOfDays+1)
database.globalUkedagForbruk = [0]*7
database.pengebeholdning = [0]*(inputLine.numberOfDays+1)
print('wait for it.... ')
for transaction in transaction_list:
if transaction.purchase:
products = [ent.product.name for ent in transaction.purchase.entries]
else:
products = []
products.append('')
inputLine.dateNum, inputLine.weekday = dateToDateNumDb(transaction.time, startDate)
if inputLine.dateNum<0 or inputLine.dateNum>(inputLine.numberOfDays):
continue
inputLine.user=transaction.user.name
inputLine.price=transaction.amount
for inputLine.product in products:
database=addLineToDatabase(database, inputLine )
inputLine.price = 0;
print('saving as default.dibblerlog...', end=' ')
f=open('default.dibblerlog','w')
line_format = '%s|%s|%s|%s|%s|%s\n'
transaction_list = session.query(Transaction).all()
for transaction in transaction_list:
if transaction.purchase:
products = '¤'.join([ent.product.name for ent in transaction.purchase.entries])
description = ''
else:
products = ''
description = transaction.description
line = line_format % ('purchase', transaction.time, products, transaction.user.name, transaction.amount, transaction.description)
f.write(line.encode('utf8'))
session.close()
f.close
#bygg database.pengebeholdning
if (inputType==3) or (inputType==4):
for i in range(inputLine.numberOfDays+1):
if i > 0:
database.pengebeholdning[i] +=database.pengebeholdning[i-1]
#bygg dateLine
day=datetime.timedelta(days=1)
dateLine=[]
dateLine.append(startDate)
for n in range(inputLine.numberOfDays):
dateLine.append(startDate+n*day)
print('done')
return database, dateLine
def buildDatabaseFromFile(inputFile, inputType, inputProduct, inputUser):
sdate = input('enter start date (yyyy-mm-dd)? ')
edate = input('enter end date (yyyy-mm-dd)? ')
f=open(inputFile)
try:
fileLines=f.readlines()
finally:
f.close()
inputLine = InputLine(inputUser, inputProduct, inputType)
startDate = getDateFile(fileLines[0].partition('|')[2].partition(' ')[0], sdate)
endDate = getDateFile(fileLines[-1].partition('|')[2].partition(' ')[0], edate)
inputLine.numberOfDays = (endDate-startDate).days
database = Database()
database = clearDatabase(database)
if (inputType==3) or (inputType==4):
database.globalDatoVarer = [0]*(inputLine.numberOfDays+1)
database.globalDatoForbruk = [0]*(inputLine.numberOfDays+1)
database.globalUkedagForbruk = [0]*7
database.pengebeholdning = [0]*(inputLine.numberOfDays+1)
for linje in fileLines:
if not (linje[0]=='#') and not (linje=='\n') :
#henter dateNum, products, user, price
restDel = linje.partition('|')
restDel = restDel[2].partition(' ')
inputLine.dateNum, inputLine.weekday = dateToDateNumFile(restDel[0], startDate)
if inputLine.dateNum<0 or inputLine.dateNum>(inputLine.numberOfDays):
continue
restDel=restDel[2].partition('|')
restDel=restDel[2].partition('|')
products = restDel[0]
restDel=restDel[2].partition('|')
inputLine.user=restDel[0]
inputLine.price=int(restDel[2].partition('|')[0])
for inputLine.product in getProducts(products):
database=addLineToDatabase(database, inputLine )
inputLine.price = 0;
#bygg database.pengebeholdning
if (inputType==3) or (inputType==4):
for i in range(inputLine.numberOfDays+1):
if i > 0:
database.pengebeholdning[i] +=database.pengebeholdning[i-1]
#bygg dateLine
day=datetime.timedelta(days=1)
dateLine=[]
dateLine.append(startDate)
for n in range(inputLine.numberOfDays):
dateLine.append(startDate+n*day)
return database, dateLine
def printTopDict(dictionary, n, k):
i=0
for key in sorted(dictionary, key=dictionary.get, reverse=k):
print(key, ': ',dictionary[key])
if i<n:
i += 1
else:
break
def printTopDict2(dictionary, dictionary2, n):
print('')
print('product : price[kr] ( number )')
i=0
for key in sorted(dictionary, key=dictionary.get, reverse=True):
print(key, ': ',dictionary[key], ' (', dictionary2[key], ') ')
if i<n:
i += 1
else:
break
def printWeekdays(week, days):
if week==[] or days==0:
return
print('mon: ', '%.2f'%(week[0]*7.0/days), ' tue: ', '%.2f'%(week[1]*7.0/days), ' wen: ', '%.2f'%(week[2]*7.0/days), ' thu: ', '%.2f'%(week[3]*7.0/days), ' fri: ', '%.2f'%(week[4]*7.0/days), ' sat: ','%.2f'%( week[5]*7.0/days), ' sun: ', '%.2f'%(week[6]*7.0/days))
print('forbruk per dag (snitt): ', '%.2f'%(sum(week)*1.0/days))
print('')
def printBalance(database, user):
forbruk = 0
if (user in database.personVareVerdi):
forbruk = sum([i for i in list(database.personVareVerdi[user].values())])
print('totalt kjøpt for: ', forbruk, end=' ')
if (user in database.personNegTransactions):
print('kr, totalt lagt til: ', -database.personNegTransactions[user], end=' ')
forbruk=-database.personNegTransactions[user]-forbruk
if (user in database.personPosTransactions):
print('kr, totalt tatt fra boks: ', database.personPosTransactions[user], end=' ')
forbruk=forbruk-database.personPosTransactions[user]
print('balanse: ', forbruk, 'kr', end=' ')
print('')
def printUser(database, dateLine, user, n):
printTopDict2(database.personVareVerdi[user], database.personVareAntall[user], n)
print('\nforbruk per ukedag [kr/dag],', end=' ')
printWeekdays(database.personUkedagVerdi[user], len(dateLine))
printBalance(database, user)
def printProduct(database, dateLine, product, n):
printTopDict(database.varePersonAntall[product], n, 1)
print('\nforbruk per ukedag [antall/dag],', end=' ')
printWeekdays(database.vareUkedagAntall[product], len(dateLine))
print('Det er solgt: ', database.globalVareAntall[product], product, 'til en verdi av: ', database.globalVareVerdi[product], 'kr')
def printGlobal(database, dateLine, n):
print('\nmest lagt til: ')
printTopDict(database.personNegTransactions, n, 0)
print('\nmest tatt fra:')
printTopDict(database.personPosTransactions, n, 1)
print('\nstørst forbruk:')
printTopDict(database.globalPersonForbruk, n, 1)
printTopDict2(database.globalVareVerdi, database.globalVareAntall, n)
print('\nforbruk per ukedag [kr/dag],', end=' ')
printWeekdays(database.globalUkedagForbruk, len(dateLine))
print('Det er solgt varer til en verdi av: ', sum(database.globalDatoForbruk), 'kr, det er lagt til', -sum([i for i in list(database.personNegTransactions.values())]), 'og tatt fra', sum([i for i in list(database.personPosTransactions.values())]), end=' ')
print('balansen blir:', database.pengebeholdning[len(dateLine)-1], 'der negative verdier representerer at brukere har kreditt tilgjengelig')
def alt4menuTextOnly(database, dateLine):
n=10
while 1:
print('\n1: user-statistics, 2: product-statistics, 3:global-statistics, n: adjust amount of data shown q:quit')
inp = input('')
if inp == 'q':
break
elif inp == '1':
try:
printUser(database, dateLine, getUser(), n)
except:
print('\n\nSomething is not right, (last date prior to first date?)')
elif inp == '2':
try:
printProduct(database, dateLine, getProduct(), n)
except:
print('\n\nSomething is not right, (last date prior to first date?)')
elif inp == '3':
try:
printGlobal(database, dateLine, n)
except:
print('\n\nSomething is not right, (last date prior to first date?)')
elif inp == 'n':
n=int(input('set number to show '));
def statisticsTextOnly():
inputType = 4
product = ''
user = ''
print('\n0: from file, 1: from database, q:quit')
inp = input('')
if inp == '1':
database, dateLine = buildDatabaseFromDb(inputType, product, user)
elif inp=='0' or inp == '':
database, dateLine = buildDatabaseFromFile('default.dibblerlog', inputType, product, user)
if not inp == 'q':
alt4menuTextOnly(database, dateLine)

62
test.py
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@ -1,62 +0,0 @@
import os
import datetime
from PIL import ImageFont
from brother_ql.devicedependent import label_type_specs
from printer_helpers import print_bar_code
#label_type = "29x90"
#rotate = True
#barcode_value = "7050122105438"
#barcode_text = "Chips"
#printer_type = "QL-700"
from PIL import Image, ImageMode, ImageDraw
def print_name_label(text, margin=10, rotate=False, label_type="62", printer_type="QL-700",):
if not rotate:
width, height = label_type_specs[label_type]['dots_printable']
else:
height, width = label_type_specs[label_type]['dots_printable']
font_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "ChopinScript.ttf")
fs = 2000
tw, th = width, height
if width == 0:
while th + 2*margin > height:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
width = tw+2*margin
elif height == 0:
while tw + 2*margin > width:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
height = th+2*margin
else:
while tw + 2*margin > width or th + 2*margin > height:
font = ImageFont.truetype(font_path, fs)
tw, th = font.getsize(text)
fs -= 1
xp = (width//2)-(tw//2)
yp = (height//2)-(th//2)
im = Image.new("RGB", (width, height), (255, 255, 255))
dr = ImageDraw.Draw(im)
dr.text((xp, yp), text, fill=(0, 0, 0), font=font)
now = datetime.datetime.now()
date = now.strftime("%Y-%m-%d")
dr.text((0, 0), date, fill=(0, 0, 0))
base_path = os.path.dirname(os.path.realpath(__file__))
fn = os.path.join(base_path, "bar_codes", text + ".png")
im.save(fn, "PNG")
print_name_label("chrivi", label_type="29x90", rotate=True)

72
text_based.py
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@ -1,72 +0,0 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
import random
import sys
import traceback
from helpers import *
from text_interface.addstock import AddStockMenu
from text_interface.buymenu import BuyMenu
from text_interface.editing import *
from text_interface.faq import FAQMenu
from text_interface.helpermenus import Menu
from text_interface.mainmenu import MainMenu
from text_interface.miscmenus import ProductSearchMenu, TransferMenu, AdjustCreditMenu, UserListMenu, ShowUserMenu, \
ProductListMenu
from text_interface.printermenu import PrintLabelMenu
from text_interface.stats import *
random.seed()
if __name__ == '__main__':
if not conf.stop_allowed:
signal.signal(signal.SIGQUIT, signal.SIG_IGN)
if not conf.stop_allowed:
signal.signal(signal.SIGTSTP, signal.SIG_IGN)
main = MainMenu('Dibbler main menu',
items=[BuyMenu(),
ProductListMenu(),
ShowUserMenu(),
UserListMenu(),
AdjustCreditMenu(),
TransferMenu(),
AddStockMenu(),
Menu('Add/edit',
items=[AddUserMenu(),
EditUserMenu(),
AddProductMenu(),
EditProductMenu(),
AdjustStockMenu(),
CleanupStockMenu(), ]),
ProductSearchMenu(),
Menu('Statistics',
items=[ProductPopularityMenu(),
ProductRevenueMenu(),
BalanceMenu(),
LoggedStatisticsMenu()]),
FAQMenu(),
PrintLabelMenu()
],
exit_msg='happy happy joy joy',
exit_confirm_msg='Really quit Dibbler?')
if not conf.quit_allowed:
main.exit_disallowed_msg = 'You can check out any time you like, but you can never leave.'
while True:
# noinspection PyBroadException
try:
main.execute()
except KeyboardInterrupt:
print('')
print('Interrupted.')
except:
print('Something went wrong.')
print(f'{sys.exc_info()[0]}: {sys.exc_info()[1]}')
if conf.show_tracebacks:
traceback.print_tb(sys.exc_info()[2])
else:
break
print('Restarting main menu.')

8
text_interface/__init__.py
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@ -1,8 +0,0 @@
# -*- coding: utf-8 -*-
exit_commands = ['exit', 'abort', 'quit', 'bye', 'eat flaming death', 'q']
help_commands = ['help', '?']
context_commands = ['what', '??']
local_help_commands = ['help!', '???']
faq_commands = ['faq']
restart_commands = ['restart']

186
text_interface/editing.py
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@ -1,186 +0,0 @@
import sqlalchemy
from db import User, Product
from text_interface.helpermenus import Menu, Selector
__all__ = ["AddUserMenu", "AddProductMenu", "EditProductMenu", "AdjustStockMenu", "CleanupStockMenu", "EditUserMenu"]
class AddUserMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Add user', uses_db=True)
def _execute(self):
self.print_header()
username = self.input_str('Username (should be same as PVV username)', regex=User.name_re, length_range=(1, 10))
cardnum = self.input_str('Card number (optional)', regex=User.card_re, length_range=(0, 10))
cardnum = cardnum.lower()
rfid = self.input_str('RFID (optional)', regex=User.rfid_re, length_range=(0, 10))
user = User(username, cardnum, rfid)
self.session.add(user)
try:
self.session.commit()
print(f'User {username} stored')
except sqlalchemy.exc.IntegrityError as e:
print(f'Could not store user {username}: {e}')
self.pause()
class EditUserMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Edit user', uses_db=True)
self.help_text = '''
The only editable part of a user is its card number and rfid.
First select an existing user, then enter a new card number for that
user, then rfid (write an empty line to remove the card number or rfid).
'''
def _execute(self):
self.print_header()
user = self.input_user('User')
self.printc(f'Editing user {user.name}')
card_str = f'"{user.card}"' if user.card is not None else 'empty'
user.card = self.input_str(f'Card number (currently {card_str})',
regex=User.card_re, length_range=(0, 10),
empty_string_is_none=True)
if user.card:
user.card = user.card.lower()
rfid_str = f'"{user.rfid}"' if user.rfid is not None else 'empty'
user.rfid = self.input_str(f'RFID (currently {rfid_str})',
regex=User.rfid_re, length_range=(0, 10),
empty_string_is_none=True)
try:
self.session.commit()
print(f'User {user.name} stored')
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store user {user.name}: {e}')
self.pause()
class AddProductMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Add product', uses_db=True)
def _execute(self):
self.print_header()
bar_code = self.input_str('Bar code', regex=Product.bar_code_re, length_range=(8, 13))
name = self.input_str('Name', regex=Product.name_re, length_range=(1, Product.name_length))
price = self.input_int('Price', 1, 100000)
product = Product(bar_code, name, price)
self.session.add(product)
try:
self.session.commit()
print(f'Product {name} stored')
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store product {name}: {e}')
self.pause()
class EditProductMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Edit product', uses_db=True)
def _execute(self):
self.print_header()
product = self.input_product('Product')
self.printc(f'Editing product {product.name}')
while True:
selector = Selector(f'Do what with {product.name}?',
items=[('name', 'Edit name'),
('price', 'Edit price'),
('barcode', 'Edit barcode'),
('hidden', 'Edit hidden status'),
('store', 'Store')])
what = selector.execute()
if what == 'name':
product.name = self.input_str('Name', default=product.name, regex=Product.name_re,
length_range=(1, product.name_length))
elif what == 'price':
product.price = self.input_int('Price', 1, 100000, default=product.price)
elif what == 'barcode':
product.bar_code = self.input_str('Bar code', default=product.bar_code, regex=Product.bar_code_re,
length_range=(8, 13))
elif what == 'hidden':
product.hidden = self.confirm(f'Hidden(currently {product.hidden})', default=False)
elif what == 'store':
try:
self.session.commit()
print(f'Product {product.name} stored')
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store product {product.name}: {e}')
self.pause()
return
elif what is None:
print('Edit aborted')
return
else:
print('What what?')
class AdjustStockMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Adjust stock', uses_db=True)
def _execute(self):
self.print_header()
product = self.input_product('Product')
print(f'The stock of this product is: {product.stock:d}')
print('Write the number of products you have added to the stock')
print('Alternatively, correct the stock for any mistakes')
add_stock = self.input_int('Added stock', -1000, 1000, zero_allowed=False)
if add_stock > 0:
print(f'You added {add_stock:d} to the stock of {product}')
else:
print(f'You removed {add_stock:d} from the stock of {product}')
product.stock += add_stock
try:
self.session.commit()
print('Stock is now stored')
self.pause()
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store stock: {e}')
self.pause()
return
print(f'The stock is now {product.stock:d}')
class CleanupStockMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Stock Cleanup', uses_db=True)
def _execute(self):
self.print_header()
products = self.session.query(Product).filter(Product.stock != 0).all()
print("Every product in stock will be printed.")
print("Entering no value will keep current stock or set it to 0 if it is negative.")
print("Entering a value will set current stock to that value.")
print("Press enter to begin.")
self.pause()
changed_products = []
for product in products:
oldstock = product.stock
product.stock = self.input_int(product.name, 0, 10000, default=max(0, oldstock))
self.session.add(product)
if oldstock != product.stock:
changed_products.append((product, oldstock))
try:
self.session.commit()
print('New stocks are now stored.')
self.pause()
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store stock: {e}')
self.pause()
return
for p in changed_products:
print(p[0].name, ".", p[1], "->", p[0].stock)

200
text_interface/miscmenus.py
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@ -1,200 +0,0 @@
import conf
import sqlalchemy
from db import Transaction, Product, User
from helpers import less
from text_interface.helpermenus import Menu, Selector
class TransferMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Transfer credit between users',
uses_db=True)
def _execute(self):
self.print_header()
amount = self.input_int('Transfer amount', 1, 100000)
self.set_context(f'Transferring {amount:d} kr', display=False)
user1 = self.input_user('From user')
self.add_to_context(f' from {user1.name}')
user2 = self.input_user('To user')
self.add_to_context(f' to {user2.name}')
comment = self.input_str('Comment')
self.add_to_context(f' (comment) {user2.name}')
t1 = Transaction(user1, amount,
f'transfer to {user2.name} "{comment}"')
t2 = Transaction(user2, -amount,
f'transfer from {user1.name} "{comment}"')
t1.perform_transaction()
t2.perform_transaction()
self.session.add(t1)
self.session.add(t2)
try:
self.session.commit()
print(f"Transferred {amount:d} kr from {user1} to {user2}")
print(f"User {user1}'s credit is now {user1.credit:d} kr")
print(f"User {user2}'s credit is now {user2.credit:d} kr")
print(f"Comment: {comment}")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not perform transfer: {e}')
# self.pause()
class ShowUserMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Show user', uses_db=True)
def _execute(self):
self.print_header()
user = self.input_user('User name, card number or RFID')
print(f'User name: {user.name}')
print(f'Card number: {user.card}')
print(f'RFID: {user.rfid}')
print(f'Credit: {user.credit} kr')
selector = Selector(f'What do you want to know about {user.name}?',
items=[('transactions', 'Recent transactions (List of last ' + str(
conf.user_recent_transaction_limit) + ')'),
('products', f'Which products {user.name} has bought, and how many'),
('transactions-all', 'Everything (List of all transactions)')])
what = selector.execute()
if what == 'transactions':
self.print_transactions(user, conf.user_recent_transaction_limit)
elif what == 'products':
self.print_purchased_products(user)
elif what == 'transactions-all':
self.print_transactions(user)
else:
print('What what?')
@staticmethod
def print_transactions(user, limit=None):
num_trans = len(user.transactions)
if limit is None:
limit = num_trans
if num_trans <= limit:
string = f"{user.name}'s transactions ({num_trans:d}):\n"
else:
string = f"{user.name}'s transactions ({num_trans:d}, showing only last {limit:d}):\n"
for t in user.transactions[-1:-limit - 1:-1]:
string += f" * {t.time.isoformat(' ')}: {'in' if t.amount < 0 else 'out'} {abs(t.amount)} kr, "
if t.purchase:
products = []
for entry in t.purchase.entries:
if abs(entry.amount) != 1:
amount = f"{abs(entry.amount)}x "
else:
amount = ""
product = f"{amount}{entry.product.name}"
products.append(product)
string += 'purchase ('
string += ', '.join(products)
string += ')'
if t.penalty > 1:
string += f' * {t.penalty:d}x penalty applied'
else:
string += t.description
string += '\n'
less(string)
@staticmethod
def print_purchased_products(user):
products = []
for ref in user.products:
product = ref.product
count = ref.count
if count > 0:
products.append((product, count))
num_products = len(products)
if num_products == 0:
print('No products purchased yet')
else:
text = ''
text += 'Products purchased:\n'
for product, count in products:
text += f'{product.name:<47} {count:>3}\n'
less(text)
class UserListMenu(Menu):
def __init__(self):
Menu.__init__(self, 'User list', uses_db=True)
def _execute(self):
self.print_header()
user_list = self.session.query(User).all()
total_credit = self.session.query(sqlalchemy.func.sum(User.credit)).first()[0]
line_format = '%-12s | %6s\n'
hline = '---------------------\n'
text = ''
text += line_format % ('username', 'credit')
text += hline
for user in user_list:
text += line_format % (user.name, user.credit)
text += hline
text += line_format % ('total credit', total_credit)
less(text)
class AdjustCreditMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Adjust credit', uses_db=True)
def _execute(self):
self.print_header()
user = self.input_user('User')
print(f"User {user.name}'s credit is {user.credit:d} kr")
self.set_context(f'Adjusting credit for user {user.name}', display=False)
print('(Note on sign convention: Enter a positive amount here if you have')
print('added money to the PVVVV money box, a negative amount if you have')
print('taken money from it)')
amount = self.input_int('Add amount', -100000, 100000)
print('(The "log message" will show up in the transaction history in the')
print('"Show user" menu. It is not necessary to enter a message, but it')
print('might be useful to help you remember why you adjusted the credit)')
description = self.input_str('Log message', length_range=(0, 50))
if description == '':
description = 'manually adjusted credit'
transaction = Transaction(user, -amount, description)
transaction.perform_transaction()
self.session.add(transaction)
try:
self.session.commit()
print(f"User {user.name}'s credit is now {user.credit:d} kr")
except sqlalchemy.exc.SQLAlchemyError as e:
print(f'Could not store transaction: {e}')
# self.pause()
class ProductListMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Product list', uses_db=True)
def _execute(self):
self.print_header()
text = ''
product_list = self.session.query(Product).filter(Product.hidden.is_(False)).order_by(Product.stock.desc())
total_value = 0
for p in product_list:
total_value += p.price * p.stock
line_format = '%-15s | %5s | %-' + str(Product.name_length) + 's | %5s \n'
text += line_format % ('bar code', 'price', 'name', 'stock')
text += 78 * '-' + '\n'
for p in product_list:
text += line_format % (p.bar_code, p.price, p.name, p.stock)
text += 78 * '-' + '\n'
text += line_format % ('Total value', total_value, '', '',)
less(text)
class ProductSearchMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Product search', uses_db=True)
def _execute(self):
self.print_header()
self.set_context('Enter (part of) product name or bar code')
product = self.input_product()
print('Result: %s, price: %d kr, bar code: %s, stock: %d, hidden: %s' % (product.name, product.price,
product.bar_code, product.stock,
("Y" if product.hidden else "N")))
# self.pause()

34
text_interface/printermenu.py
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@ -1,34 +0,0 @@
import re
from db import Product, User
from printer_helpers import print_bar_code, print_name_label
from text_interface.helpermenus import Menu
import conf
class PrintLabelMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Print a label', uses_db=True)
self.help_text = '''
Prints out a product bar code on the printer
Put it up somewhere in the vicinity.
'''
def _execute(self):
self.print_header()
thing = self.input_thing('Product/User')
if isinstance(thing, Product):
if re.match(r"^[0-9]{13}$", thing.bar_code):
bar_type = "ean13"
elif re.match(r"^[0-9]{8}$", thing.bar_code):
bar_type = "ean8"
else:
bar_type = "code39"
print_bar_code(thing.bar_code, thing.name, barcode_type=bar_type, rotate=conf.label_rotate,
printer_type="QL-700", label_type=conf.label_type)
elif isinstance(thing, User):
print_name_label(text=thing.name, label_type=conf.label_type, rotate=conf.label_rotate,
printer_type="QL-700")

102
text_interface/stats.py
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@ -1,102 +0,0 @@
import sqlalchemy
from db import PurchaseEntry, Product, User
from helpers import less
from sqlalchemy import desc
from sqlalchemy import func
from statistikkHelpers import statisticsTextOnly
from text_interface.helpermenus import Menu
__all__ = ["ProductPopularityMenu", "ProductRevenueMenu", "BalanceMenu", "LoggedStatisticsMenu"]
class ProductPopularityMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Products by popularity', uses_db=True)
def _execute(self):
self.print_header()
text = ''
sub = \
self.session.query(PurchaseEntry.product_id,
func.sum(PurchaseEntry.amount).label('purchase_count')) \
.filter(PurchaseEntry.amount > 0).group_by(PurchaseEntry.product_id) \
.subquery()
product_list = \
self.session.query(Product, sub.c.purchase_count) \
.outerjoin((sub, Product.product_id == sub.c.product_id)) \
.order_by(desc(sub.c.purchase_count)) \
.filter(sub.c.purchase_count is not None) \
.all()
line_format = '{0:10s} | {1:>45s}\n'
text += line_format.format('items sold', 'product')
text += '-' * (31 + Product.name_length) + '\n'
for product, number in product_list:
if number is None:
continue
text += line_format.format(str(number), product.name)
less(text)
class ProductRevenueMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Products by revenue', uses_db=True)
def _execute(self):
self.print_header()
text = ''
sub = \
self.session.query(PurchaseEntry.product_id,
func.sum(PurchaseEntry.amount).label('purchase_count')) \
.filter(PurchaseEntry.amount > 0).group_by(PurchaseEntry.product_id) \
.subquery()
product_list = \
self.session.query(Product, sub.c.purchase_count) \
.outerjoin((sub, Product.product_id == sub.c.product_id)) \
.order_by(desc(sub.c.purchase_count * Product.price)) \
.filter(sub.c.purchase_count is not None) \
.all()
line_format = '{0:7s} | {1:10s} | {2:6s} | {3:>45s}\n'
text += line_format.format('revenue', 'items sold', 'price', 'product')
text += '-' * (31 + Product.name_length) + '\n'
for product, number in product_list:
if number is None:
continue
text += line_format.format(str(number * product.price), str(number), str(product.price), product.name)
less(text)
class BalanceMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Total balance of PVVVV', uses_db=True)
def _execute(self):
self.print_header()
text = ''
total_value = 0
product_list = self.session.query(Product).filter(Product.stock > 0).all()
for p in product_list:
total_value += p.stock * p.price
total_positive_credit = self.session.query(sqlalchemy.func.sum(User.credit)).filter(User.credit > 0).first()[0]
total_negative_credit = self.session.query(sqlalchemy.func.sum(User.credit)).filter(User.credit < 0).first()[0]
total_credit = total_positive_credit + total_negative_credit
total_balance = total_value - total_credit
line_format = '%15s | %5d \n'
text += line_format % ('Total value', total_value)
text += 24 * '-' + '\n'
text += line_format % ('Positive credit', total_positive_credit)
text += line_format % ('Negative credit', total_negative_credit)
text += line_format % ('Total credit', total_credit)
text += 24 * '-' + '\n'
text += line_format % ('Total balance', total_balance)
less(text)
class LoggedStatisticsMenu(Menu):
def __init__(self):
Menu.__init__(self, 'Statistics from log', uses_db=True)
def _execute(self):
statisticsTextOnly()

5
torje_conf.py
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@ -1,5 +0,0 @@
db_url = 'postgresql://torjehoa_dibblerdummy:1234@postgres/torjehoa_dibblerdummy'
quit_allowed = True
stop_allowed = False
show_tracebacks = True
input_encoding = 'utf8'

265
ui.py
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@ -1,265 +0,0 @@
import curses
#from copy import deepcopy
#import curses.panel
import curses.textpad
#import time
import curses.ascii
from db import *
def cycle(list, index, up):
if index <= 0 and up:
return len(list)-1
elif up:
return index - 1
elif index >= len(list)-1:
return 0
else:
return index + 1
class MainMenu():
def __init__(self, screen):
self.screen = screen
curses.curs_set(0) # hide the cursor
self.size = screen.getmaxyx() # get screen size
self.choices = [SubMenu("Purchase"), ChargeMenu(self.screen), SubMenu("View Transactions")]
self.selected = 0
self.execute()
def execute(self):
while 1:
self.screen.clear()
self.screen.border()
for i in range(len(self.choices)):
if i == self.selected:
self.screen.addstr(i+1,1, str(i+1) + ") " + self.choices[i].text, curses.A_REVERSE)
else:
self.screen.addstr(i+1,1, str(i+1) + ") " + self.choices[i].text)
self.screen.refresh()
c = self.screen.getch()
if c == ord('q') or c == 27:
break
elif c == 10: #return key
self.choices[self.selected].execute()
elif c == curses.KEY_UP:
self.selected = cycle(self.choices, self.selected, True)
elif c == curses.KEY_DOWN:
self.selected = cycle(self.choices, self.selected, False)
elif c >= 49 and c <= 48+len(self.choices): #number key
self.choices[c-49].execute()
class SubMenu():
def __init__(self, text):
self.text = text
class ChargeMenu(SubMenu):
def __init__(self, screen):
self.text = "Charge"
self.screen = screen
# self.size = self.screen.getmaxyx()
# self.marked = 0
# self.textbox = False
# self.textpad = False
# self.textwindow = False
# self.edit_area = False
# self.search_text = ""
# self.session = False
def execute(self):
self.make_windows()
self.resultview = Selectable(self.resultwindow)
# Initialize the variables
self.marked = 0
self.search_text = ""
self.amount = ""
# curses.curs_set(1)
self.screen.move(2,2)
self.screen.leaveok(1)
self.session = Session()
while 1:
self.draw()
c = self.screen.getch()
if c == 27:
break
elif c == 9:
self.switch_cursor()
elif c == curses.KEY_RESIZE:
self.resize()
elif self.marked == 0:
self.textpad_edit(c)
self.textwindow.cursyncup()
elif self.marked == 1:
# self.amountpad.do_command(curses.ascii.SOH)
# for char in self.amount:
# self.amountpad.do_command(ord(char))
# self.amountpad.do_command(curses.KEY_LEFT)
self.amountpad_edit(c)
self.amountwindow.cursyncup()
self.check_calculation()
elif self.marked == 2:
self.resultview.do_command(c)
self.check_calculation()
self.session.close()
def check_calculation(self):
if self.amount and self.resultview.list:
self.set_calculation()
else:
self.calculation.clear()
def draw(self):
# if self.marked == 0:
# (y,x) = self.textwindow.getyx()
# y += 1
# x += 1
# else:
# (y,x) = self.screen.getyx()
self.screen.clear()
self.screen.border()
self.textwindow.border()
self.amountwindow.border()
if self.marked == 0:
self.textwindow.addstr(0,1, "[Username, card number or RFID]",curses.A_REVERSE)
self.amountwindow.addstr(0,1,"[Amount to be transferred]")
elif self.marked == 1:
self.textwindow.addstr(0,1, "[Username, card number or RFID]")
self.amountwindow.addstr(0,1,"[Amount to be transferred]",curses.A_REVERSE)
else:
self.textwindow.addstr(0,1, "[Username, card number or RFID]")
self.amountwindow.addstr(0,1,"[Amount to be transferred]")
self.resultview.draw()
self.textwindow.addstr(1,1,self.search_text)
self.amountwindow.addstr(1,1,self.amount)
self.calculation.draw()
# curses.curs_set(1)
# self.screen.move(y,x)
# curses.setsyx(y,x)
# self.textwindow.move(y-2,x-2)
self.screen.refresh()
def make_windows(self):
self.size = self.screen.getmaxyx()
self.textwindow = self.screen.subwin(3,self.size[1]/2-1,1,1)
self.amountwindow = self.screen.subwin(3,self.size[1]/2-1,1,self.size[1]/2)
self.edit_area = self.textwindow.subwin(1,self.size[1]/2-3,2,2)
self.amount_area = self.amountwindow.subwin(1,self.size[1]/2-3,2,self.size[1]/2+1)
self.resultwindow = self.screen.subwin(self.size[0]-5,self.size[1]/2-1,4,1)
self.textpad = curses.textpad.Textbox(self.edit_area)
self.textpad.stripspaces = True
self.amountpad = curses.textpad.Textbox(self.amount_area)
self.amountpad.stripspaces = True
self.calcwindow = self.screen.subwin(self.size[0]-8,self.size[1]/2-1,4,self.size[1]/2)
self.calculation = Calculation(self.calcwindow)
def resize(self):
self.make_windows()
self.resultview.window = self.resultwindow
self.calculation.window = self.calcwindow
def switch_cursor(self):
if self.marked == 4:
# curses.curs_set(1)
self.screen.move(2,1+len(self.search_text))
self.marked = 0
# self.textpad.do_command(curses.ascii.SOH)
elif self.marked == 0:
self.marked += 1
self.screen.move(2,self.size[1]/2+2)
else:
curses.curs_set(0)
self.marked += 1
def textpad_edit(self, ch):
self.textpad.do_command(ch)
self.search_text = self.textpad.gather().strip()
self.resultview.set_list(self.session.query(User).filter(or_(User.user.like(str('%'+self.search_text+'%')),User.id.like('%'+self.search_text+'%'))).all())
# self.resultview.draw()
# self.resultwindow.refresh()
def amountpad_edit(self,ch):
if ch >= 48 and ch <= 57:
self.amountpad.do_command(ch)
elif ch <= 31 or ch > 255:
self.amountpad.do_command(ch)
else:
pass
self.amount = self.amountpad.gather().strip()
def set_calculation(self):
self.calculation.set_numbers([self.resultview.list[self.resultview.selected].credit, int(self.amount)])
class Selectable():
def __init__(self, window, list = [], selected = 0):
self.list=list
self.window = window
self.selected = selected
# self.attribute = attribute
def draw(self):
self.window.border()
for i in range(len(self.list)):
if i == self.selected:
self.window.addstr(i+1,1,self.list[i].user,curses.A_REVERSE)
else:
self.window.addstr(i+1,1,self.list[i].user)
self.window.addstr(0,1,"[Search results]")
def do_command(self,c):
if c == curses.KEY_UP:
self.selected = cycle(self.list, self.selected, True)
if c == curses.KEY_DOWN:
self.selected = cycle(self.list, self.selected, False)
def set_list(self,list):
if len(list)-1 < self.selected:
self.selected = len(list)-1
self.list = list
else:
self.list = list
class Calculation():
def __init__(self, window):
self.window = window
self.numbers = []
self.size = self.window.getmaxyx()
def draw(self):
self.window.clear()
self.window.border()
self.length = len(self.numbers)
if self.length > 0:
if self.size[0] >= self.length:
for i in range(self.length-1):
self.window.addstr((self.size[0]-self.length)/2+i,(self.size[1]+4-len(str(abs(self.numbers[i]))))/2,str(abs(self.numbers[i])))
if i > 0:
if self.numbers[i] >= 0:
self.window.addstr((self.size[0]-self.length)/2+i,(self.size[1]-8)/2,'+')
else:
self.window.addstr((self.size[0]-self.length)/2+i,(self.size[1]-8)/2,'-')
if self.numbers[self.length-1] >= 0:
self.window.addstr((self.size[0]+self.length)/2-1,(self.size[1]-8)/2,'+'+(7-len(str(self.numbers[self.length-1])))*" "+str(self.numbers[self.length-1]),curses.A_UNDERLINE)
else:
self.window.addstr((self.size[0]+self.length)/2-1,(self.size[1]-8)/2,'-'+(7-len(str(abs(self.numbers[self.length-1]))))*" "+str(abs(self.numbers[self.length-1])),curses.A_UNDERLINE)
self.window.addstr((self.size[0]+self.length)/2,(self.size[1]-8)/2,'='+(7-len(str(self.sum)))*" "+str(self.sum),curses.A_UNDERLINE)
def add(self):
self.sum = 0
for item in self.numbers:
self.sum += item
def clear(self):
self.numbers = []
self.sum = 0
def set_numbers(self, list):
self.numbers = list
self.add()
curses.wrapper(MainMenu)

37
write_logfile.py
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@ -1,37 +0,0 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import db
from helpers import *
# Writes a log of all transactions to a text file.
#
# Usage:
# ./write_logfile.py filename
# or (writing to stdout):
# ./write_logfile.py
def write_log(f):
session = Session()
line_format = '%s|%s|%s|%s|%s|%s\n'
transaction_list = session.query(Transaction).all()
for transaction in transaction_list:
if transaction.purchase:
products = ', '.join([ent.product.name for ent in transaction.purchase.entries])
description = ''
else:
products = ''
description = transaction.description
line = line_format % ('purchase', transaction.time, products,
transaction.user.name, transaction.amount, transaction.description)
f.write(line.encode('utf8'))
session.close()
if len(sys.argv) < 2:
write_log(sys.stdout)
else:
filename = sys.argv[1]
print('Writing log to ' + filename)
with open(filename, 'w') as f:
write_log(f)