gajim-plural/src/check_for_new_version.py

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## common/check_for_new_version.py
##
## Gajim Team:
## - Yann Le Boulanger <asterix@lagaule.org>
## - Vincent Hanquez <tab@snarc.org>
## - Nikos Kouremenos <kourem@gmail.com>
##
## Copyright (C) 2003-2005 Gajim Team
##
## 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; version 2 only.
##
## 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.
##
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import gtk
import gtk.glade
from common import gajim
from common import i18n
_ = i18n._
APP = i18n.APP
gtk.glade.bindtextdomain(APP, i18n.DIR)
gtk.glade.textdomain(APP)
GTKGUI_GLADE='gtkgui.glade'
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class Check_for_new_version_dialog:
def __init__(self, plugin):
self.plugin = plugin
self.check_for_new_version()
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def parse_glade(self):
xml = gtk.glade.XML(GTKGUI_GLADE, 'new_version_available_dialog', APP)
self.window = xml.get_widget('new_version_available_dialog')
self.information_label = xml.get_widget('information_label')
self.changes_textview = xml.get_widget('changes_textview')
xml.signal_autoconnect(self)
def on_new_version_available_dialog_delete_event(self, widget, event):
self.window.destroy()
def on_open_download_page_button_clicked(self, widget):
url = 'http://www.gajim.org/downloads.php?lang='
self.plugin.launch_browser_mailer('url', url)
self.window.destroy()
def check_for_new_version(self):
'''parse online Changelog to find out last version
and the changes for that latest version'''
import urllib2
import socket
dto = socket.getdefaulttimeout()
socket.setdefaulttimeout(5)
url = 'http://trac.gajim.org/file/trunk/Changelog?rev=latest&format=txt'
try:
changelog = urllib2.urlopen(url)
except:
pass
socket.setdefaulttimeout(dto)
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# format is 'Gajim version (date)'
first_line = changelog.readline()
finish_version = first_line.find(' ', 6) # start search after 'Gajim'
latest_version = first_line[6:finish_version]
if latest_version > gajim.version:
start_date = finish_version + 2 # one space and one (
date = first_line[start_date:-2] # remove the last ) and \n
info = 'Gajim ' + latest_version + ' was released in ' + date + '!'
changes = ''
while True:
line = changelog.readline().lstrip()
if line.startswith('Gajim'):
break
else:
if line != '\n' or line !='': # line has some content
if not line.startswith('*'):
# the is not a new *real* line
# but a continuation from previous line.
# So remove \n from previous 'line' beforing adding it
changes = changes[:-1]
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changes += line
self.parse_glade()
self.information_label.set_text(info)
buf = self.changes_textview.get_buffer()
buf.set_text(changes)
self.window.show_all()