From 7b5446a824affc0b06ec28ccdb66dbece3b0a51d Mon Sep 17 00:00:00 2001 From: = <=> Date: Tue, 29 Aug 2023 23:13:26 +0200 Subject: [PATCH] initial setup of metadata fetcher services --- poetry.lock | 171 +++++++++++++++--- pyproject.toml | 1 + worblehat/models/BookMetadata.py | 13 ++ .../services/metadata_fetchers/__init__.py | 0 .../metadata_fetchers/base_fetcher.py | 23 +++ .../metadata_fetchers/openlibrary_fetcher.py | 68 +++++++ 6 files changed, 252 insertions(+), 24 deletions(-) create mode 100644 worblehat/models/BookMetadata.py create mode 100644 worblehat/services/metadata_fetchers/__init__.py create mode 100644 worblehat/services/metadata_fetchers/base_fetcher.py create mode 100644 worblehat/services/metadata_fetchers/openlibrary_fetcher.py diff --git a/poetry.lock b/poetry.lock index 67e5878..c27cc98 100644 --- a/poetry.lock +++ b/poetry.lock @@ -1,10 +1,9 @@ -# This file is automatically @generated by Poetry 1.4.1 and should not be changed by hand. +# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand. 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@@ -192,11 +279,21 @@ files = [ docs = ["Sphinx", "docutils (<0.18)"] test = ["objgraph", "psutil"] +[[package]] +name = "idna" +version = "3.4" +description = "Internationalized Domain Names in Applications (IDNA)" +optional = false +python-versions = ">=3.5" +files = [ + {file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"}, + {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"}, +] + [[package]] name = "isbnlib" version = "3.10.14" description = "Extract, clean, transform, hyphenate and metadata for ISBNs (International Standard Book Number)." -category = "main" optional = false python-versions = "*" files = [ @@ -208,7 +305,6 @@ files = [ name = "itsdangerous" version = "2.1.2" description = "Safely pass data to untrusted environments and back." -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -220,7 +316,6 @@ files = [ name = "jinja2" version = "3.1.2" description = "A very fast and expressive template engine." -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -238,7 +333,6 @@ i18n = ["Babel (>=2.7)"] name = "mako" version = "1.2.4" description = "A super-fast templating language that borrows the best ideas from the existing templating languages." -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -258,7 +352,6 @@ testing = ["pytest"] name = "markupsafe" version = "2.1.2" description = "Safely add untrusted strings to HTML/XML markup." -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -318,7 +411,6 @@ files = [ name = "pastel" version = "0.2.1" description = "Bring colors to your terminal." -category = "dev" optional = false python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*" files = [ @@ -330,7 +422,6 @@ files = [ name = "poethepoet" version = "0.20.0" description = "A task runner that works well with poetry." -category = "dev" optional = false python-versions = ">=3.8" files = [ @@ -349,7 +440,6 @@ poetry-plugin = ["poetry (>=1.0,<2.0)"] name = "psycopg2-binary" version = "2.9.6" description = "psycopg2 - Python-PostgreSQL Database Adapter" -category = "main" optional = false python-versions = ">=3.6" files = [ @@ -417,11 +507,31 @@ files = [ {file = "psycopg2_binary-2.9.6-cp39-cp39-win_amd64.whl", hash = "sha256:f6a88f384335bb27812293fdb11ac6aee2ca3f51d3c7820fe03de0a304ab6249"}, ] +[[package]] +name = "requests" +version = "2.31.0" +description = "Python HTTP for Humans." +optional = false +python-versions = ">=3.7" +files = [ + {file = "requests-2.31.0-py3-none-any.whl", hash = "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f"}, + {file = "requests-2.31.0.tar.gz", hash = "sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1"}, +] + +[package.dependencies] +certifi = ">=2017.4.17" +charset-normalizer = ">=2,<4" +idna = ">=2.5,<4" +urllib3 = ">=1.21.1,<3" + +[package.extras] +socks = ["PySocks (>=1.5.6,!=1.5.7)"] +use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"] + [[package]] name = "sqlalchemy" version = "2.0.12" description = "Database Abstraction Library" -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -469,7 +579,7 @@ files = [ ] [package.dependencies] -greenlet = {version = "!=0.4.17", markers = "platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\""} +greenlet = {version = "!=0.4.17", markers = "platform_machine == \"win32\" or platform_machine == \"WIN32\" or platform_machine == \"AMD64\" or platform_machine == \"amd64\" or platform_machine == \"x86_64\" or platform_machine == \"ppc64le\" or platform_machine == \"aarch64\""} typing-extensions = ">=4.2.0" [package.extras] @@ -499,7 +609,6 @@ sqlcipher = ["sqlcipher3-binary"] name = "tomli" version = "2.0.1" description = "A lil' TOML parser" -category = "dev" optional = false python-versions = ">=3.7" files = [ @@ -511,7 +620,6 @@ files = [ name = "typing-extensions" version = "4.5.0" description = "Backported and Experimental Type Hints for Python 3.7+" -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -519,11 +627,27 @@ files = [ {file = "typing_extensions-4.5.0.tar.gz", hash = "sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb"}, ] +[[package]] +name = "urllib3" +version = "2.0.4" +description = "HTTP library with thread-safe connection pooling, file post, and more." +optional = false +python-versions = ">=3.7" +files = [ + {file = "urllib3-2.0.4-py3-none-any.whl", hash = "sha256:de7df1803967d2c2a98e4b11bb7d6bd9210474c46e8a0401514e3a42a75ebde4"}, + {file = "urllib3-2.0.4.tar.gz", hash = "sha256:8d22f86aae8ef5e410d4f539fde9ce6b2113a001bb4d189e0aed70642d602b11"}, +] + +[package.extras] +brotli = ["brotli (>=1.0.9)", "brotlicffi (>=0.8.0)"] +secure = ["certifi", "cryptography (>=1.9)", "idna (>=2.0.0)", "pyopenssl (>=17.1.0)", "urllib3-secure-extra"] +socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"] +zstd = ["zstandard (>=0.18.0)"] + [[package]] name = "werkzeug" version = "2.3.3" description = "The comprehensive WSGI web application library." -category = "main" optional = false python-versions = ">=3.8" files = [ @@ -541,7 +665,6 @@ watchdog = ["watchdog (>=2.3)"] name = "wtforms" version = "3.0.1" description = "Form validation and rendering for Python web development." -category = "main" optional = false python-versions = ">=3.7" files = [ @@ -558,4 +681,4 @@ email = ["email-validator"] [metadata] lock-version = "2.0" python-versions = "^3.11" -content-hash = "123df985006374b7c4ede4587a2facef89306039e35af84ddc9c516eecd46c89" +content-hash = "cfc36ccfe7ef6b7ea7ad473141163856a7bbcd9fb85a0416a385c481f0699454" diff --git a/pyproject.toml b/pyproject.toml index a06ec1b..092d0b5 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -16,6 +16,7 @@ isbnlib = "^3.10.14" python = "^3.11" sqlalchemy = "^2.0.8" psycopg2-binary = "^2.9.6" +requests = "^2.31.0" [tool.poetry.group.dev.dependencies] werkzeug = "^2.3.3" diff --git a/worblehat/models/BookMetadata.py b/worblehat/models/BookMetadata.py new file mode 100644 index 0000000..b591f95 --- /dev/null +++ b/worblehat/models/BookMetadata.py @@ -0,0 +1,13 @@ +from __future__ import annotations +from typing import TYPE_CHECKING +from dataclasses import dataclass + +@dataclass +class BookMetadata: + isbn: str + title: str + authors: set[str] + language: str + publish_date: int + num_pages: int + subjects: set[str] \ No newline at end of file diff --git a/worblehat/services/metadata_fetchers/__init__.py b/worblehat/services/metadata_fetchers/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/worblehat/services/metadata_fetchers/base_fetcher.py b/worblehat/services/metadata_fetchers/base_fetcher.py new file mode 100644 index 0000000..2169f98 --- /dev/null +++ b/worblehat/services/metadata_fetchers/base_fetcher.py @@ -0,0 +1,23 @@ +#base fetcher. +from abc import ABC, abstractmethod +from typing import Dict, Optional +from ...models import ( + BookMetadata, +) + +class BookMetadataFetcher(ABC): + __metadata: BookMetadata + + def __init__(self, isbn: Optional[str] = None): + if isbn: + self.fetch_metadata(isbn) + else: + self.__metadata = None + + #fetches metadata from the isbn and sets the attributes of the class + @abstractmethod + def fetch_metadata(self, isbn: str) -> BookMetadata: + return self.__metadata + + def get_metadata(self) -> BookMetadata: + return self.__metadata diff --git a/worblehat/services/metadata_fetchers/openlibrary_fetcher.py b/worblehat/services/metadata_fetchers/openlibrary_fetcher.py new file mode 100644 index 0000000..7763b8b --- /dev/null +++ b/worblehat/services/metadata_fetchers/openlibrary_fetcher.py @@ -0,0 +1,68 @@ +from typing import Dict, Optional + +# import isbnlib +#used these instead of isbnlib as i have already written the code for them +import json +import requests + +from worblehat.services.metadata_fetchers.base_fetcher import BookMetadataFetcher +from worblehat.models.BookMetadata import BookMetadata + +class OpenLibraryFetcher(BookMetadataFetcher): + + def fetch_metadata(self, isbn: str) -> BookMetadata: + metadata = self.__openLibrary(isbn) + if not metadata or len(metadata.keys()) == 0 or (not metadata.get('Title') and not metadata.get('Authors') and not metadata.get('Language')): + return None + + # parse the metadata into a BookMetadata object + self.__metadata = BookMetadata( + isbn = isbn, + title = metadata.get('Title'), + authors = metadata.get('Authors'), + language = metadata.get('Language'), + publish_date = metadata.get('PublishDate'), + num_pages = metadata.get('NumberOfPages'), + subjects = metadata.get('Subjects'), + ) + return self.__metadata + + + #create a dictionary to represent a book and its data + #gather data from openlibrary api and return it directly as json + def __openLibrary(self, isbn): + #get data from openlibrary + try: + jsonInput = json.loads(requests.get("https://openlibrary.org/isbn/"+str(isbn)+".json").text) + #format data to standard format. + authors = jsonInput.get("authors") + for i in range(len(authors)): + authors[i] = json.loads(requests.get("https://openlibrary.org"+str(authors[i].get("key"))+".json").text).get("name") + authors = list(set(authors)) + + title = jsonInput.get("title") + publishDate = jsonInput.get("publish_date") + numberOfPages = jsonInput.get("number_of_pages") + genre = jsonInput.get("subjects") + language = jsonInput.get("languages")[0] + language = json.loads(requests.get("https://openlibrary.org"+language.get("key")+".json").text).get("name") + subjects = jsonInput.get("subjects") + + #create a dictionary to represent a book and its data + bookData = { + "Authors": authors, + "Title": title, + "PublishDate": int(publishDate), + "NumberOfPages": numberOfPages, + "Genre": genre, + "Language": language, + "Subjects": subjects + } + return bookData + except: + return False + +if __name__ == '__main__': + fetcher = OpenLibraryFetcher() + book_data = fetcher.fetch_metadata('0132624788') + print(book_data) \ No newline at end of file