Current File : //lib/x86_64-linux-gnu/rhythmbox/plugins/rb/Loader.py
# -*- 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.
import gi
gi.require_version('Soup', '3.0')
from gi.repository import GObject, GLib, Gio, Soup
import sys
from rbconfig import rhythmbox_version
def call_callback(callback, data, args):
try:
v = callback(data, *args)
return v
except Exception as e:
sys.excepthook(*sys.exc_info())
loader_session = None
class Loader(object):
def __init__ (self):
global loader_session
if loader_session is None:
loader_session = Soup.Session()
loader_session.set_user_agent("Rhythmbox/" + rhythmbox_version)
self._cancel = Gio.Cancellable()
def _message_cb(self, session, result, _data):
message = session.get_async_result_message(result)
status = message.get_status()
body = None
try:
if status == 200:
bytes = session.send_and_read_finish(result)
if bytes:
body = bytes.get_data()
finally:
call_callback(self.callback, body, self.args)
def get_url (self, url, callback, *args):
self.url = url
self.callback = callback
self.args = args
try:
global loader_session
req = Soup.Message.new("GET", url)
loader_session.send_and_read_async(
req, GLib.PRIORITY_DEFAULT, self._cancel,
self._message_cb, None)
except Exception as e:
sys.excepthook(*sys.exc_info())
callback(None, *args)
def cancel (self):
self._cancel.cancel()
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