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laydi/system/project.py

68 lines
2.0 KiB
Python

import dataset
import scipy
class Project:
def __init__(self,name="Testing"):
self.name = name
self.dim_names = []
self._selection_observers = []
self.current_data=None
self.datasets=[]
self.sel_obj = dataset.Selection()
def attach(self, observer):
"""Attach observer for selection updates"""
if not observer in self._selection_observers:
self._selection_observers.append(observer)
def detach(self, observer):
"""Detach observer for selection updates"""
try:
self.selection_observers.remove(observer)
except ValueError:
pass
def notify(self, modifier=None):
"""Notifies observers that selection is updated"""
for observer in self._selection_observers:
if modifier != observer:
observer.update_selection(self)
def set_selection(self,dim_name,selection):
"""Sets selection and notifies observers"""
self.sel_obj.current_selection[dim_name] = set(selection)
self.notify()
def get_selection(self):
"""Returns the current selection object"""
return self.sel_obj.current_selection
def add_dataset(self,dataset):
"""Appends a new Dataset to the project."""
self.datasets.append(dataset)
for dim_name in dataset.ids.keys():
if dim_name not in self.dim_names:
self.dim_names.append(dim_name)
def suggest_dim_name(self,dim_name):
"""Creates an arbitrary unique name for a new dimension."""
while dim_name in self.dim_names:
dim_name = dim_name + "_t"
return dim_name
# FIXME: Singleton project should be removed.
c_p = Project()
#add test data
x = scipy.rand(2000,3)
def_list = [ ['samples',[]], ['genes',['a','b','c']] ]
test_data = dataset.Dataset(x,def_list)
c_p.add_dataset(test_data)
y = scipy.rand(2000,2)
def_list = [ ['samples',[]], ['yclasses',['C','N']] ]
test_data = dataset.Dataset(y,def_list)
c_p.add_dataset(test_data)