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laydi/workflows/gobrowser.py

222 lines
7.5 KiB
Python

import gtk
from fluents import dataset, logger, plots, workflow, fluents, project
import geneontology
from scipy import array, randn, log, ones, zeros
import networkx
import re
EVIDENCE_CODES=[('IMP', 'Inferred from mutant phenotype'),
('IGI', 'Inferred from genetic interaction'),
('IPI', 'Inferred from physical interaction'),
('ISS', 'Inferred from sequence or structure similarity'),
('IDA', 'Inferred from direct assay'),
('IEP', 'Inferred on expression pattern'),
('IEA', 'Inferred from electronic annotation'),
('TAS', 'Traceable author statement'),
('NAS', 'Non-traceable author statement'),
('ND', 'No biological data available'),
('RCA', 'Inferred from reviewed computational analysis'),
('IC', 'Inferred by curator')]
DISTANCE_METRICS = [('resnik', 'Resnik'),
('jiang', 'Jiang & Conrath'),
('fussimeg', 'FuSSiMeG')]
GO_DATA_DIR = '/home/einarr/data'
evidence = None
go = None
class GoTermView (gtk.Frame):
def __init__(self):
gtk.Frame.__init__(self)
tab = gtk.Table(2, 2, False)
self._table = tab
self._name = gtk.Label('')
self._name.set_line_wrap(True)
self._name.set_alignment(0, 0)
name_label = gtk.Label('Name:')
name_label.set_alignment(0, 0)
tab.attach(name_label, 0, 1, 0, 1, gtk.FILL, gtk.FILL, 5, 5)
tab.attach(self._name, 1, 2, 0, 1, gtk.FILL|gtk.EXPAND, gtk.FILL, 5, 5)
self._def = gtk.TextBuffer()
textview = gtk.TextView(self._def)
textview.set_wrap_mode(gtk.WRAP_WORD)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.add(textview)
def_label = gtk.Label('Def:')
def_label.set_alignment(0.0, 0.0)
tab.attach(def_label, 0, 1, 1, 2, gtk.FILL, gtk.FILL, 5, 5)
tab.attach(scrolled_window, 1, 2, 1, 2, gtk.FILL|gtk.EXPAND, gtk.FILL|gtk.EXPAND, 5, 5)
self.add(tab)
self.set_go_term(None)
def set_go_term(self, term):
if term:
self.set_label(term['id'])
self._name.set_text(term['name'])
self._def.set_text(term['def'])
else:
self.set_label('GO Term')
self._name.set_text('')
self._def.set_text('')
class GeneOntologyTree (gtk.HPaned):
def __init__(self, network):
gtk.HPaned.__init__(self)
treemodel = geneontology.get_go_treestore(network)
self._treemodel = treemodel
self._tree_view = gtk.TreeView(treemodel)
self._selected_terms = set()
self._tree_view.set_fixed_height_mode(True)
# Set up context menu
self._context_menu = GoTermContextMenu(treemodel, self._tree_view)
self._tree_view.connect('popup_menu', self._popup_menu)
self._tree_view.connect('button_press_event', self._on_button_press)
renderer = gtk.CellRendererText()
go_column = gtk.TreeViewColumn('GO ID', renderer, text=0)
go_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
go_column.set_fixed_width(200)
go_column.set_resizable(True)
self._tree_view.insert_column(go_column, 0)
renderer = gtk.CellRendererToggle()
renderer.set_property('activatable', True)
renderer.connect('toggled', self._toggle_selected)
renderer.set_active(True)
renderer.set_property('mode', gtk.CELL_RENDERER_MODE_ACTIVATABLE)
go_column = gtk.TreeViewColumn('T', renderer, active=2)
go_column.set_fixed_width(20)
go_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
go_column.set_resizable(True)
self._tree_view.insert_column(go_column, 1)
renderer = gtk.CellRendererText()
go_column = gtk.TreeViewColumn('Name', renderer, text=1)
go_column.set_fixed_width(200)
go_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
go_column.set_resizable(True)
self._tree_view.insert_column(go_column, 2)
self._desc_view = GoTermView()
self._tree_view.connect('cursor-changed', self._on_cursor_changed)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.add(self._tree_view)
self.add1(scrolled_window)
self.add2(self._desc_view)
self.show_all()
def _on_cursor_changed(self, tree):
path, col = self._tree_view.get_cursor()
current = self._treemodel.get_iter(path)
term = self._treemodel.get_value(current, 3)
self._desc_view.set_go_term(term)
##
## GTK Callback functions
##
def _popup_menu(self, *rest):
self.menu.popup(None, None, None, 0, 0)
def _on_button_press(self, widget, event):
path = widget.get_path_at_pos(int(event.x), int(event.y))
iter = None
if path:
iter = self._treemodel.get_iter(path[0])
obj = self._treemodel.get_value(iter, 3)
else:
obj = None
self._context_menu.set_current_term(obj, iter)
if event.button == 3:
self._context_menu.popup(None, None, None, event.button, event.time)
def _toggle_selected(self, renderer, path):
iter = self._treemodel.get_iter(path)
selected = self._treemodel.get_value(iter, 2)
id = self._treemodel.get_value(iter, 0)
self._treemodel.set_value(iter, 2, not selected)
if selected:
self._selected_terms.remove(id)
else:
self._selected_terms.add(id)
class GoTermContextMenu (gtk.Menu):
"""Context menu for GO terms in the gene ontology browser"""
def __init__(self, treemodel, treeview):
self._treemodel = treemodel
self._treeview = treeview
self._current_term = None
self._current_iter = None
gtk.Menu.__init__(self)
# Popuplate tree
self._expand_item = i = gtk.MenuItem('Expand')
i.connect('activate', self._on_expand_subtree, treemodel, treeview)
self.append(i)
i.show()
self._collapse_item = i = gtk.MenuItem('Collapse')
i.connect('activate', self._on_collapse_subtree, treemodel, treeview)
self.append(i)
i.show()
self._select_subtree_item = i = gtk.MenuItem('Select subtree')
i.connect('activate', self._on_select_subtree, treemodel, treeview)
self.append(i)
i.show()
def set_current_term(self, term, it):
self._current_term = term
self._current_iter = it
def _on_expand_subtree(self, item, treemodel, treeview):
path = treemodel.get_path(self._current_iter)
treeview.expand_row(path, True)
def _on_collapse_subtree(self, item, treemodel, treeview):
treeview.collapse_row(treemodel.get_path(self._current_iter))
def _on_select_subtree(self, item, treemodel, treeview):
logger.log('notice', 'Selecting subtree from GO id: %s (%s)' %
(self._current_term['id'], self._current_term['name']))
ids = [x['id'] for x in networkx.bfs(go, self._current_term)]
project.project.set_selection('go-terms', set(ids))
class LoadGOFunction(workflow.Function):
def __init__(self):
workflow.Function.__init__(self, 'load-go', 'Load Gene Ontology')
def run(self):
global go
go = geneontology.read_default_go()
browser = GeneOntologyTree(go)
label = gtk.Label('_Gene Ontology')
label.set_use_underline(True)
fluents.app['bottom_notebook'].append_page(browser, label)