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Fixed the last part of bug #855342 where when you save a file a few times, it throws an exception.

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bzr-revno: 1760
Fixes: https://launchpad.net/bugs/855342
This commit is contained in:
Raoul Snyman 2011-09-24 16:24:59 +02:00
commit e721295fe6
1 changed files with 48 additions and 24 deletions
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72
openlp/core/ui/servicemanager.py
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@ -30,6 +30,7 @@ import logging
import os
import shutil
import zipfile
from tempfile import mkstemp
log = logging.getLogger(__name__)
@ -467,15 +468,24 @@ class ServiceManager(QtGui.QWidget):
def saveFile(self):
"""
Save the current Service file.
Save the current service file.
A temporary file is created so that we don't overwrite the existing one
and leave a mangled service file should there be an error when saving.
Audio files are also copied into the service manager directory, and
then packaged into the zip file.
"""
if not self.fileName():
return self.saveFileAs()
temp_file, temp_file_name = mkstemp(u'.osz', u'openlp_')
# We don't need the file handle.
os.close(temp_file)
log.debug(temp_file_name)
path_file_name = unicode(self.fileName())
path, file_name = os.path.split(path_file_name)
basename, extension = os.path.splitext(file_name)
service_file_name = '%s.osd' % basename
log.debug(u'ServiceManager.saveFile - %s' % path_file_name)
log.debug(u'ServiceManager.saveFile - %s', path_file_name)
SettingsManager.set_last_dir(
self.mainwindow.servicemanagerSettingsSection,
path)
@ -494,7 +504,8 @@ class ServiceManager(QtGui.QWidget):
if len(service_item[u'header'][u'background_audio']) > 0:
for i, filename in \
enumerate(service_item[u'header'][u'background_audio']):
new_file = os.path.join(u'audio', item[u'service_item']._uuid,
new_file = os.path.join(u'audio',
item[u'service_item']._uuid,
os.path.split(filename)[1])
audio_files.append((filename, new_file))
service_item[u'header'][u'background_audio'][i] = new_file
@ -545,30 +556,38 @@ class ServiceManager(QtGui.QWidget):
success = True
self.mainwindow.incrementProgressBar()
try:
zip = zipfile.ZipFile(path_file_name, 'w', zipfile.ZIP_STORED,
zip = zipfile.ZipFile(temp_file_name, 'w', zipfile.ZIP_STORED,
allow_zip_64)
# First we add service contents.
# We save ALL filenames into ZIP using UTF-8.
zip.writestr(service_file_name.encode(u'utf-8'), service_content)
# Finally add all the listed media files.
for path_from in write_list:
zip.write(path_from, path_from.encode(u'utf-8'))
for path_from, path_to in audio_files:
if path_from == path_to:
# If this file has already been saved, let's use set the
# from path to the real location of the files
path_from = os.path.join(self.servicePath, path_from)
else:
# If this file has not yet been saved, let's copy the file
# to the service manager path
save_file = os.path.join(self.servicePath, path_to)
save_path = os.path.split(save_file)[0]
if not os.path.exists(save_path):
os.makedirs(save_path)
shutil.copy(path_from, save_file)
zip.write(path_from, path_to.encode(u'utf-8'))
for write_from in write_list:
zip.write(write_from, write_from.encode(u'utf-8'))
for audio_from, audio_to in audio_files:
if audio_from.startswith(u'audio'):
# When items are saved, they get new UUID's. Let's copy the
# file to the new location. Unused files can be ignored,
# OpenLP automatically cleans up the service manager dir on
# exit.
audio_from = os.path.join(self.servicePath, audio_from)
save_file = os.path.join(self.servicePath, audio_to)
save_path = os.path.split(save_file)[0]
if not os.path.exists(save_path):
os.makedirs(save_path)
if not os.path.exists(save_file):
shutil.copy(audio_from, save_file)
zip.write(audio_from, audio_to.encode(u'utf-8'))
except IOError:
log.exception(u'Failed to save service to disk')
log.exception(u'Failed to save service to disk: %s', temp_file_name)
# Add this line in after the release to notify the user that saving
# their file failed. Commented out due to string freeze.
#Receiver.send_message(u'openlp_error_message', {
# u'title': translate(u'OpenLP.ServiceManager',
# u'Error Saving File'),
# u'message': translate(u'OpenLP.ServiceManager',
# u'There was an error saving your file.')
#})
success = False
finally:
if zip:
@ -576,10 +595,13 @@ class ServiceManager(QtGui.QWidget):
self.mainwindow.finishedProgressBar()
Receiver.send_message(u'cursor_normal')
if success:
shutil.copy(temp_file_name, path_file_name)
self.mainwindow.addRecentFile(path_file_name)
self.setModified(False)
else:
delete_file(path_file_name)
try:
delete_file(temp_file_name)
except:
pass
return success
def saveFileAs(self):
@ -623,6 +645,7 @@ class ServiceManager(QtGui.QWidget):
osfile = unicode(QtCore.QDir.toNativeSeparators(ucsfile))
if not osfile.startswith(u'audio'):
osfile = os.path.split(osfile)[1]
log.debug(u'Extract file: %s', osfile)
zipinfo.filename = osfile
zip.extract(zipinfo, self.servicePath)
if osfile.endswith(u'osd'):
@ -1022,11 +1045,12 @@ class ServiceManager(QtGui.QWidget):
"""
Empties the servicePath of temporary files.
"""
log.debug(u'Cleaning up servicePath')
for file in os.listdir(self.servicePath):
file_path = os.path.join(self.servicePath, file)
delete_file(file_path)
if os.path.exists(os.path.join(self.servicePath, u'audio')):
shutil.rmtree(os.path.join(self.servicePath, u'audio'), False)
shutil.rmtree(os.path.join(self.servicePath, u'audio'), True)
def onThemeComboBoxSelected(self, currentIndex):
"""