115 lines
4.0 KiB
Python
115 lines
4.0 KiB
Python
#
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# tracker_icons.py
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#
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# Copyright (C) 2008 Martijn Voncken <mvoncken@gmail.com>
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#
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# Deluge is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# deluge 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.
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# See the 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 deluge. If not, write to:
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# The Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor
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# Boston, MA 02110-1301, USA.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# library.
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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import threading
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import gobject
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from urllib import urlopen
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from deluge.log import LOG as log
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from deluge.common import get_default_config_dir, get_pixmap
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import os
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#some servers don't have their favicon at the expected location
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RENAMES = {
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"legaltorrents.com":"beta.legaltorrents.com",
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"aelitis.com":"www.vuze.com"
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}
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VALID_TYPES = ["octet-stream","x-icon"]
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class TrackerIcons(object):
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def __init__(self):
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#set image cache dir
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self.image_dir = get_default_config_dir("icons")
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if not os.path.exists(self.image_dir):
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os.mkdir(self.image_dir)
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#self.images : {tracker_host:filename}
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self.images = {"DHT":get_pixmap("dht16.png" )}
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#load image-names in cache-dir
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for icon in os.listdir(self.image_dir):
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if icon.endswith(".ico"):
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self.images[icon[:-4]] = os.path.join(self.image_dir, icon)
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def _fetch_icon_thread(self, tracker_host, callback):
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"""
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gets new icon from the internet.
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used by get().
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calls callback on sucess
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assumes dicts,urllib and logging are threadsafe.
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"""
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try:
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host_name = RENAMES.get(tracker_host, tracker_host)
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icon = urlopen("http://%s/favicon.ico" % host_name)
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icon_data = icon.read()
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#validate icon:
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if icon.info().getsubtype() not in VALID_TYPES:
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raise Exception("Unexpected type: %s" % icon.info().getsubtype())
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if not icon_data:
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raise Exception("No data")
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except Exception, e:
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log.debug("%s %s %s" % (tracker_host, e, e.message))
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return False
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filename = os.path.join(get_default_config_dir("icons"),"%s.ico" % tracker_host)
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f = open(filename,"wb")
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f.write(icon_data)
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f.close()
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self.images[tracker_host] = filename
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if callback:
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gobject.idle_add(callback, filename)
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def get_async(self, tracker_host, callback):
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if tracker_host in self.images:
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callback(self.images[tracker_host])
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elif "." in tracker_host:
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#only find icon if there's a dot in the name.
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self.images[tracker_host] = None
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threading.Thread(target=self. _fetch_icon_thread,
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args=(tracker_host, callback)).start()
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def get(self, tracker_host):
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"""
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returns None if the icon is not fetched(yet) or not fond.
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"""
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if tracker_host in self.images:
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return self.images[tracker_host]
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else:
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self.get_async(tracker_host, None)
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return None
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