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Move update check into its own thread

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This commit is contained in:
Kovid Goyal 2010-05-05 12:17:58 -06:00
parent 941849c58f
commit b64092f881
2 changed files with 25 additions and 29 deletions
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8
src/calibre/gui2/ui.py
View File

@ -258,9 +258,9 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
self.device_info = ' '
if not opts.no_update_check:
self.update_checker = CheckForUpdates(self)
QObject.connect(self.update_checker,
SIGNAL('update_found(PyQt_PyObject)'), self.update_found)
self.update_checker.start(2000)
self.update_checker.update_found.connect(self.update_found,
type=Qt.QueuedConnection)
self.update_checker.start()
####################### Status Bar #####################
self.status_bar.initialize(self.system_tray_icon)
self.status_bar.show_book_info.connect(self.show_book_info)
@ -2493,7 +2493,7 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
if write_settings:
self.write_settings()
self.check_messages_timer.stop()
self.update_checker.stop()
self.update_checker.terminate()
self.listener.close()
self.job_manager.server.close()
while self.spare_servers:

46
src/calibre/gui2/update.py
View File

@ -3,7 +3,7 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
import traceback
from PyQt4.QtCore import QObject, SIGNAL, QTimer
from PyQt4.QtCore import QThread, pyqtSignal
import mechanize
from calibre.constants import __version__, iswindows, isosx
@ -12,31 +12,27 @@ from calibre.utils.config import prefs
URL = 'http://status.calibre-ebook.com/latest'
class CheckForUpdates(QObject):
class CheckForUpdates(QThread):
update_found = pyqtSignal(object)
INTERVAL = 24*60*60
def __init__(self, parent):
QObject.__init__(self, parent)
self.timer = QTimer(self)
self.first = True
self.connect(self.timer, SIGNAL('timeout()'), self)
self.start = self.timer.start
self.stop = self.timer.stop
QThread.__init__(self, parent)
def __call__(self):
if self.first:
self.timer.setInterval(1000*24*60*60)
self.first = False
try:
br = browser()
req = mechanize.Request(URL)
req.add_header('CALIBRE_VERSION', __version__)
req.add_header('CALIBRE_OS',
'win' if iswindows else 'osx' if isosx else 'oth')
req.add_header('CALIBRE_INSTALL_UUID', prefs['installation_uuid'])
version = br.open(req).read().strip()
if version and version != __version__:
self.emit(SIGNAL('update_found(PyQt_PyObject)'), version)
except:
traceback.print_exc()
def run(self):
while True:
try:
br = browser()
req = mechanize.Request(URL)
req.add_header('CALIBRE_VERSION', __version__)
req.add_header('CALIBRE_OS',
'win' if iswindows else 'osx' if isosx else 'oth')
req.add_header('CALIBRE_INSTALL_UUID', prefs['installation_uuid'])
version = br.open(req).read().strip()
if version and version != __version__:
self.update_found.emit(version)
except:
traceback.print_exc()
self.sleep(self.INTERVAL)