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Fix #7716 (Edit meta Information - cover download crash - os x)

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This commit is contained in:
Kovid Goyal 2010-12-06 18:30:34 -07:00
parent 0d52b87a55
commit dbff870b89
1 changed files with 11 additions and 8 deletions
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19
src/calibre/gui2/dialogs/metadata_single.py
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@ -8,8 +8,9 @@ add/remove formats
import os, re, time, traceback, textwrap
from functools import partial
from threading import Thread
from PyQt4.Qt import SIGNAL, QObject, Qt, QTimer, QThread, QDate, \
from PyQt4.Qt import SIGNAL, QObject, Qt, QTimer, QDate, \
QPixmap, QListWidgetItem, QDialog, pyqtSignal, QMessageBox, QIcon, \
QPushButton
@ -34,9 +35,12 @@ from calibre.gui2.preferences.social import SocialMetadata
from calibre.gui2.custom_column_widgets import populate_metadata_page
from calibre import strftime
class CoverFetcher(QThread): # {{{
class CoverFetcher(Thread): # {{{
def __init__(self, username, password, isbn, timeout, title, author):
Thread.__init__(self)
self.daemon = True
self.username = username.strip() if username else username
self.password = password.strip() if password else password
self.timeout = timeout
@ -44,8 +48,7 @@ class CoverFetcher(QThread): # {{{
self.title = title
self.needs_isbn = False
self.author = author
QThread.__init__(self)
self.exception = self.traceback = self.cover_data = None
self.exception = self.traceback = self.cover_data = self.errors = None
def run(self):
try:
@ -238,20 +241,20 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
self.timeout, title, author)
self.cover_fetcher.start()
self._hangcheck = QTimer(self)
self.connect(self._hangcheck, SIGNAL('timeout()'), self.hangcheck)
self._hangcheck.timeout.connect(self.hangcheck,
type=Qt.QueuedConnection)
self.cf_start_time = time.time()
self.pi.start(_('Downloading cover...'))
self._hangcheck.start(100)
def hangcheck(self):
if not self.cover_fetcher.isFinished() and \
if self.cover_fetcher.is_alive() and \
time.time()-self.cf_start_time < self.COVER_FETCH_TIMEOUT:
return
self._hangcheck.stop()
try:
if self.cover_fetcher.isRunning():
self.cover_fetcher.terminate()
if self.cover_fetcher.is_alive():
error_dialog(self, _('Cannot fetch cover'),
_('<b>Could not fetch cover.</b><br/>')+
_('The download timed out.')).exec_()