fossfreedom
172 linhas
6.4 KiB
Python
172 linhas
6.4 KiB
Python
# -*- Mode: python; coding: utf-8; tab-width: 8; indent-tabs-mode: t; -*-
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#
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# Copyright (C) 2006 - Ed Catmur <ed@catmur.co.uk>
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# Copyright (C) 2009 - Jonathan Matthew <jonathan@d14n.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# The Rhythmbox authors hereby grant permission for non-GPL compatible
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# GStreamer plugins to be used and distributed together with GStreamer
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# and Rhythmbox. This permission is above and beyond the permissions granted
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# by the GPL license by which Rhythmbox is covered. If you modify this code
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# you may extend this exception to your version of the code, but you are not
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# obligated to do so. If you do not wish to do so, delete this exception
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# statement from your version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import os
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from gi.repository import RB
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from gi.repository import Gio
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from gi.repository import GLib
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IMAGE_NAMES = ["cover", "album", "albumart", "front", ".folder", "folder"]
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ITEMS_PER_NOTIFICATION = 10
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IGNORED_SCHEMES = ('http', 'cdda', 'daap', 'mms')
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def file_root(f_name):
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return os.path.splitext(f_name)[0].lower()
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def shared_prefix_length(a, b):
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l = 0
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while a[l] == b[l]:
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l = l + 1
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return l
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class LocalSearch:
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def __init__(self):
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pass
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def finished(self, results):
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continue_search = True
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parent = self.file.get_parent()
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ordered = []
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key = RB.ExtDBKey.create_storage("album", self.album)
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key.add_field("artist", self.artists[0])
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# Compare lower case, without file extension
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for name in [file_root(self.file.get_basename())] + IMAGE_NAMES:
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for f_name in results:
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if file_root(f_name) == name:
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uri = parent.resolve_relative_path(f_name).get_uri()
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self.store.store_uri(key, RB.ExtDBSourceType.USER, uri)
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continue_search = False
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# look for file names containing the artist and album (case-insensitive)
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# (mostly for jamendo downloads)
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album = self.album.lower()
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print(album)
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for f_name in results:
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f_root = file_root(f_name).lower()
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print(f_root)
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for artist in self.artists:
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testartist = artist.lower()
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print(artist)
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if f_root.find(testartist) != -1 and f_root.find(album) != -1:
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nkey = RB.ExtDBKey.create_storage("album", self.album)
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nkey.add_field("artist", artist)
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uri = parent.resolve_relative_path(f_name).get_uri()
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print("found album+artist match " + uri)
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self.store.store_uri(nkey, RB.ExtDBSourceType.USER, uri)
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continue_search = False
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# if that didn't work, look for the longest shared prefix
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# only accept matches longer than 2 to avoid weird false positives
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match_len = 2
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match = None
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for f_name in results:
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pl = shared_prefix_length(f_name, self.file.get_basename())
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if pl > match_len:
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match_len = pl
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match = f_name
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if match is not None:
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uri = parent.resolve_relative_path(match).get_uri()
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print("found prefix match " + uri)
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self.store.store_uri(key, RB.ExtDBSourceType.USER, uri)
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continue_search = False
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self.callback(continue_search)
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def _enum_dir_cb(self, fileenum, result, results):
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try:
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files = fileenum.next_files_finish(result)
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if files is None or len(files) == 0:
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print("okay, done; got %d files" % len(results))
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self.finished(results)
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return
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for f in files:
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ct = f.get_attribute_string("standard::content-type")
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# assume readable unless told otherwise
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readable = True
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if f.has_attribute("access::can-read"):
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readable = f.get_attribute_boolean("access::can-read")
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if ct is not None and ct.startswith("image/") and readable:
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results.append(f.get_name())
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fileenum.next_files_async(ITEMS_PER_NOTIFICATION, GLib.PRIORITY_DEFAULT, None, self._enum_dir_cb, results)
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except Exception as e:
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print("okay, probably done: %s" % e)
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import sys
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sys.excepthook(*sys.exc_info())
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self.finished(results)
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def _enum_children_cb(self, parent, result, data):
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try:
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enumfiles = parent.enumerate_children_finish(result)
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enumfiles.next_files_async(ITEMS_PER_NOTIFICATION, GLib.PRIORITY_DEFAULT, None, self._enum_dir_cb, [])
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except Exception as e:
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print("okay, probably done: %s" % e)
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import sys
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sys.excepthook(*sys.exc_info())
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self.callback(True)
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def search(self, key, last_time, store, callback, args):
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# ignore last_time
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location = key.get_info("location")
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if location is None:
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print("not searching, we don't have a location")
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callback(args)
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return
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self.file = Gio.file_new_for_uri(location)
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if self.file.get_uri_scheme() in IGNORED_SCHEMES:
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print('not searching for local art for %s' % (self.file.get_uri()))
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callback(args)
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return
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self.album = key.get_field("album")
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if not self.album:
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print('no album name')
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callback(args)
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return
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self.artists = key.get_field_values("artist")
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self.store = store
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self.callback = callback
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self.callback_args = args
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print('searching for local art for %s' % (self.file.get_uri()))
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parent = self.file.get_parent()
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enumfiles = parent.enumerate_children_async("standard::content-type,access::can-read,standard::name", 0, 0,
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None, self._enum_children_cb, None)
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