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#!/usr/bin/env python
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2012 thomasv@gitorious
#
# 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 3 of the License, or
# (at your option) any later 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, see <http://www.gnu.org/licenses/>.
import threading, httplib, re, socket
import webbrowser
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import PyQt4.QtCore as QtCore
from electrum.i18n import _
from electrum import ELECTRUM_VERSION, print_error
class VersionGetter(threading.Thread):
def __init__(self, label):
threading.Thread.__init__(self)
self.label = label
def run(self):
try:
con = httplib.HTTPConnection('electrum.org', 80, timeout=5)
con.request("GET", "/version")
res = con.getresponse()
except socket.error as msg:
print_error("Could not retrieve version information")
return
if res.status == 200:
latest_version = res.read()
latest_version = latest_version.replace("\n","")
if(re.match('^\d+(\.\d+)*$', latest_version)):
self.label.callback(latest_version)
class UpdateLabel(QLabel):
def __init__(self, config, sb):
QLabel.__init__(self)
self.new_version = False
self.sb = sb
self.config = config
self.current_version = ELECTRUM_VERSION
self.connect(self, QtCore.SIGNAL('new_electrum_version'), self.new_electrum_version)
# prevent HTTP leaks if a proxy is set
if self.config.get('proxy'):
return
VersionGetter(self).start()
def callback(self, version):
self.latest_version = version
if(self.compare_versions(self.latest_version, self.current_version) == 1):
latest_seen = self.config.get("last_seen_version",ELECTRUM_VERSION)
if(self.compare_versions(self.latest_version, latest_seen) == 1):
self.new_version = True
self.emit(QtCore.SIGNAL('new_electrum_version'))
def new_electrum_version(self):
if self.new_version:
self.setText(_("New version available") + ": " + self.latest_version)
self.sb.insertPermanentWidget(1, self)
def compare_versions(self, version1, version2):
def normalize(v):
return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
return cmp(normalize(version1), normalize(version2))
def ignore_this_version(self):
self.setText("")
self.config.set_key("last_seen_version", self.latest_version, True)
QMessageBox.information(self, _("Preference saved"), _("Notifications about this update will not be shown again."))
self.dialog.done(0)
def ignore_all_version(self):
self.setText("")
self.config.set_key("last_seen_version", "9.9.9", True)
QMessageBox.information(self, _("Preference saved"), _("No more notifications about version updates will be shown."))
self.dialog.done(0)
def open_website(self):
webbrowser.open("http://electrum.org/download.html")
self.dialog.done(0)
def mouseReleaseEvent(self, event):
dialog = QDialog(self)
dialog.setWindowTitle(_('Electrum update'))
dialog.setModal(1)
main_layout = QGridLayout()
main_layout.addWidget(QLabel(_("A new version of Electrum is available:")+" " + self.latest_version), 0,0,1,3)
ignore_version = QPushButton(_("Ignore this version"))
ignore_version.clicked.connect(self.ignore_this_version)
ignore_all_versions = QPushButton(_("Ignore all versions"))
ignore_all_versions.clicked.connect(self.ignore_all_version)
open_website = QPushButton(_("Goto download page"))
open_website.clicked.connect(self.open_website)
main_layout.addWidget(ignore_version, 1, 0)
main_layout.addWidget(ignore_all_versions, 1, 1)
main_layout.addWidget(open_website, 1, 2)
dialog.setLayout(main_layout)
self.dialog = dialog
if not dialog.exec_(): return