/usr/share/pyshared/quodlibet/browsers/search.py is in exfalso 2.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2004-2010 Joe Wreschnig, Michael Urman, Iñigo Serna,
# Christoph Reiter, Steven Robertson
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
import os
import random
import gtk
import gobject
from quodlibet import config
from quodlibet import const
from quodlibet import qltk
from quodlibet.browsers._base import Browser
from quodlibet.parse import Query
from quodlibet.qltk.cbes import ComboBoxEntrySave
from quodlibet.qltk.completion import LibraryTagCompletion
from quodlibet.qltk.songlist import SongList
QUERIES = os.path.join(const.USERDIR, "lists", "queries")
# A browser that the user only interacts with indirectly, via the
# Filter menu. The VBox remains empty.
class EmptyBar(gtk.VBox, Browser):
__gsignals__ = Browser.__gsignals__
name = _("Disable Browser")
accelerated_name = _("_Disable Browser")
priority = 0
in_menu = False
def __init__(self, library, player):
super(EmptyBar, self).__init__()
# When _text is None, calls to activate are ignored. This is to
# avoid the song list changing when the user switches browses and
# then refreshes.
self._text = None
self._filter = None
self._library = library
self.__main = bool(player)
self.commands = {"query": self.__query}
self.connect('destroy', self.__destroy)
def __destroy(self, *args):
del self.commands
def dynamic(self, song):
if self._filter is not None:
return self._filter(song)
else: return True
def set_text(self, text):
if isinstance(text, str): text = text.decode('utf-8')
self._text = text
status = property(lambda s: s._text)
def __query(self, text, library, window, player):
self.set_text(text)
self.activate()
def save(self):
if self._text is not None:
config.set("browsers", "query_text", self._text.encode('utf-8'))
def restore(self):
try: self.set_text(config.get("browsers", "query_text"))
except: pass
def finalize(self, restore):
config.set("browsers", "query_text", "")
def activate(self):
if self._text is not None:
try: self._filter = Query(self._text, star=SongList.star).search
except Query.error: pass
else:
songs = filter(self._filter, self._library)
self.emit('songs-selected', songs, None)
if self.__main: self.save()
def can_filter(self, key): return True
def filter(self, key, values):
if not values: return
if key.startswith("~#"):
nheader = key[2:]
queries = ["#(%s = %s)" % (nheader, i) for i in values]
if len(queries) > 1: self.set_text(u"|(%s)" % ", ".join(queries))
else: self.set_text(queries[0])
else:
text = ", ".join(
["'%s'c" % v.replace("\\", "\\\\").replace("'", "\\'")
for v in values])
if len(values) == 1: self.set_text(u"%s = %s" % (key, text))
else: self.set_text(u"%s = |(%s)" % (key, text))
self.activate()
def unfilter(self):
self.set_text("")
self.activate()
class Limit(gtk.HBox):
def __init__(self):
super(Limit, self).__init__(spacing=3)
label = gtk.Label(_("_Limit:"))
self.pack_start(label)
self.__limit = limit = gtk.SpinButton()
limit.set_numeric(True)
limit.set_range(0, 99999)
limit.set_increments(5, 50)
label.set_mnemonic_widget(limit)
label.set_use_underline(True)
self.pack_start(limit)
self.__weight = gtk.CheckButton(_("_Weight"))
self.pack_start(self.__weight)
def limit(self, songs):
limit = self.__limit.get_value_as_int()
if not limit or len(songs) < limit: return songs
else:
if self.__weight.get_active():
def choose(r1, r2):
if r1 or r2: return cmp(random.random(), r1/(r1+r2))
else: return random.randint(-1, 1)
def rating(song):
return song("~#rating")
songs.sort(cmp=choose, key=rating)
else: random.shuffle(songs)
return songs[:limit]
class BoxSearchBar(gtk.HBox):
def __init__(self, library, limit=False, button=True, completion=None):
super(BoxSearchBar, self).__init__(spacing=6)
self.__limit = None
self.callback = None
self.__refill_id = None
if limit: self.__limit = Limit()
combo = ComboBoxEntrySave(QUERIES, count=8,
validator=Query.is_valid_color)
if not completion:
completion = LibraryTagCompletion(library.librarian)
combo.child.set_completion(completion)
self.set_text = combo.child.set_text
combo.child.connect('activate', self.__text_parse)
combo.child.connect('activate', self.__save_search)
combo.child.connect('focus-out-event', self.__save_search)
combo.child.connect('changed', self.__test_filter)
combo.child.connect('backspace', self.__test_filter)
combo.child.connect('realize', lambda w: w.grab_focus())
label = gtk.Label(_("_Search:"))
label.set_use_underline(True)
label.connect('mnemonic-activate', self._mnemonic_activate)
label.set_mnemonic_widget(combo.child)
if button:
search = gtk.Button()
search.connect_object('clicked', self.__text_parse, combo.child)
hb = gtk.HBox(spacing=3)
hb.pack_start(gtk.image_new_from_stock(
gtk.STOCK_FIND, gtk.ICON_SIZE_MENU), expand=False)
hb.pack_start(gtk.Label(_("Search")))
search.add(hb)
search.set_tooltip_text(_("Search your library"))
if self.__limit:
combo.child.connect('populate-popup', self.__menu, self.__limit)
self.pack_start(self.__limit, expand=False)
self.pack_start(label, expand=False)
combo_hb = gtk.HBox()
combo_hb.pack_start(combo)
combo.pack_clear_button(combo_hb)
self.pack_start(combo_hb)
if button:
self.pack_start(search, expand=False)
self.__combo = combo
self.show_all()
if self.__limit: self.__limit.hide()
def limit_songs(self, songs):
if self.__limit and self.__limit.get_property('visible'):
return self.__limit.limit(songs)
else:
return songs
def __showhide_limit(self, button, hb):
if button.get_active(): hb.show()
else: hb.hide()
def __menu(self, entry, menu, hb):
sep = gtk.SeparatorMenuItem()
menu.prepend(sep)
item = gtk.CheckMenuItem(_("_Limit Results"))
menu.prepend(item)
item.set_active(hb.get_property('visible'))
item.connect('toggled', self.__showhide_limit, hb)
item.show()
sep.show()
def _mnemonic_activate(self, label, group_cycling):
# If our mnemonic widget already has the focus, switch to
# the song list instead. (#254)
widget = label.get_mnemonic_widget()
if widget.is_focus():
qltk.get_top_parent(widget).songlist.grab_focus()
return True
def __text_parse(self, entry):
self.__refill_id = None
text = entry.get_text()
if self.callback:
self.callback(text)
return False
def __save_search(self, entry, *args):
text = entry.get_text().decode('utf-8')
if args and not config.getboolean('settings', 'eager_search'):
# Called from 'focus-out-event' signal
return
if text and Query.is_parsable(text):
self.__combo.prepend_text(text.strip())
self.__combo.write()
def __test_filter(self, textbox):
text = textbox.get_text().decode('utf-8')
if config.getboolean('settings', 'eager_search'):
if self.__refill_id is not None:
gobject.source_remove(self.__refill_id)
self.__refill_id = None
if Query.is_parsable(text):
self.__refill_id = gobject.timeout_add(
500, self.__text_parse, textbox)
# Like EmptyBar, but the user can also enter a query manually. This
# is QL's default browser. EmptyBar handles all the GObject stuff.
class SearchBar(EmptyBar):
name = _("Search Library")
accelerated_name = _("_Search Library")
priority = 1
in_menu = True
def __init__(self, library, player, limit=True):
super(SearchBar, self).__init__(library, player)
self.set_spacing(6)
self.__save = bool(player)
self._search_bar = BoxSearchBar(library, limit)
self._search_bar.callback = self._text_parse
self.connect('destroy', self.__destroy)
self.pack_start(self._search_bar, expand=False)
self.show()
def __destroy(self, *args):
self._search_bar = None
def activate(self):
if self._text is not None:
try:
self._filter = Query(self._text, star=SongList.star).search
except Query.error:
pass
else:
songs = filter(self._filter, self._library.itervalues())
songs = self._search_bar.limit_songs(songs)
self.emit('songs-selected', songs, None)
if self.__save: self.save()
def _text_parse(self, text):
if Query.is_parsable(text):
self._text = text.decode('utf-8')
self.activate()
def set_text(self, text):
super(SearchBar, self).set_text(text)
self._search_bar.set_text(text)
browsers = [EmptyBar, SearchBar]
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