1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
# -*- Mode: python; coding: utf-8; tab-width: 8; indent-tabs-mode: t; -*-
#
# Copyright (C) 2009 - Jonathan Matthew
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# The Rhythmbox authors hereby grant permission for non-GPL compatible
# GStreamer plugins to be used and distributed together with GStreamer
# and Rhythmbox. This permission is above and beyond the permissions granted
# by the GPL license by which Rhythmbox is covered. If you modify this code
# you may extend this exception to your version of the code, but you are not
# obligated to do so. If you do not wish to do so, delete this exception
# statement from your version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
from gi.repository import GObject, GLib, Gdk, Gio
import sys
def callback_with_gdk_lock(callback, data, args):
Gdk.threads_enter()
try:
v = callback(data, *args)
Gdk.threads_leave()
return v
except Exception, e:
sys.excepthook(*sys.exc_info())
Gdk.threads_leave()
class Loader(object):
def __init__ (self):
self._cancel = Gio.Cancellable()
def _contents_cb (self, file, result, data):
try:
(ok, contents, etag) = file.load_contents_finish(result)
if ok:
callback_with_gdk_lock(self.callback, contents, self.args)
else:
callback_with_gdk_lock(self.callback, None, self.args)
except Exception, e:
sys.excepthook(*sys.exc_info())
callback_with_gdk_lock(self.callback, None, self.args)
def get_url (self, url, callback, *args):
self.url = url
self.callback = callback
self.args = args
try:
file = Gio.file_new_for_uri(url)
file.load_contents_async(self._cancel, self._contents_cb, None)
except Exception, e:
sys.excepthook(*sys.exc_info())
callback(None, *args)
def cancel (self):
self._cancel.cancel()
class UpdateCheck(object):
def __init__ (self):
self._cancel = Gio.Cancellable()
def _file_info_cb (self, file, result, data):
try:
rfi = file.query_info_finish(result)
remote_mod = rfi.get_attribute_uint64(Gio.FILE_ATTRIBUTE_TIME_MODIFIED)
callback_with_gdk_lock(self.callback, remote_mod != self.local_mod, self.args)
except Exception, e:
sys.excepthook(*sys.exc_info())
callback_with_gdk_lock(self.callback, False, self.args)
def check_for_update (self, local, remote, callback, *args):
self.local = local
self.remote = remote
self.callback = callback
self.args = args
try:
lf = Gio.file_new_for_commandline_arg(local)
lfi = lf.query_info(Gio.FILE_ATTRIBUTE_TIME_MODIFIED, Gio.FileQueryInfoFlags.NONE, None)
self.local_mod = lfi.get_attribute_uint64(Gio.FILE_ATTRIBUTE_TIME_MODIFIED)
rf = Gio.file_new_for_uri(remote)
rf.query_info_async(Gio.FILE_ATTRIBUTE_TIME_MODIFIED, Gio.FileQueryInfoFlags.NONE, GLib.PRIORITY_DEFAULT, self._cancel, self._file_info_cb, None)
except Exception, e:
sys.excepthook(*sys.exc_info())
self.callback(True, *self.args)
def cancel (self):
self._cancel.cancel()
|
