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

Fixes: https://launchpad.net/bugs/855342
This commit is contained in:
Raoul Snyman 2011-09-24 00:14:23 +02:00
parent 548f380628
commit 0aadc32d4f
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 os
import shutil import shutil
import zipfile import zipfile
from tempfile import mkstemp
log = logging.getLogger(__name__) log = logging.getLogger(__name__)
@ -467,15 +468,24 @@ class ServiceManager(QtGui.QWidget):
def saveFile(self): 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(): if not self.fileName():
return self.saveFileAs() 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 = unicode(self.fileName())
path, file_name = os.path.split(path_file_name) path, file_name = os.path.split(path_file_name)
basename, extension = os.path.splitext(file_name) basename, extension = os.path.splitext(file_name)
service_file_name = '%s.osd' % basename 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( SettingsManager.set_last_dir(
self.mainwindow.servicemanagerSettingsSection, self.mainwindow.servicemanagerSettingsSection,
path) path)
@ -494,7 +504,8 @@ class ServiceManager(QtGui.QWidget):
if len(service_item[u'header'][u'background_audio']) > 0: if len(service_item[u'header'][u'background_audio']) > 0:
for i, filename in \ for i, filename in \
enumerate(service_item[u'header'][u'background_audio']): 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]) os.path.split(filename)[1])
audio_files.append((filename, new_file)) audio_files.append((filename, new_file))
service_item[u'header'][u'background_audio'][i] = new_file service_item[u'header'][u'background_audio'][i] = new_file
@ -545,30 +556,38 @@ class ServiceManager(QtGui.QWidget):
success = True success = True
self.mainwindow.incrementProgressBar() self.mainwindow.incrementProgressBar()
try: try:
zip = zipfile.ZipFile(path_file_name, 'w', zipfile.ZIP_STORED, zip = zipfile.ZipFile(temp_file_name, 'w', zipfile.ZIP_STORED,
allow_zip_64) allow_zip_64)
# First we add service contents. # First we add service contents.
# We save ALL filenames into ZIP using UTF-8. # We save ALL filenames into ZIP using UTF-8.
zip.writestr(service_file_name.encode(u'utf-8'), service_content) zip.writestr(service_file_name.encode(u'utf-8'), service_content)
# Finally add all the listed media files. # Finally add all the listed media files.
for path_from in write_list: for write_from in write_list:
zip.write(path_from, path_from.encode(u'utf-8')) zip.write(write_from, write_from.encode(u'utf-8'))
for path_from, path_to in audio_files: for audio_from, audio_to in audio_files:
if path_from == path_to: if audio_from.startswith(u'audio'):
# If this file has already been saved, let's use set the # When items are saved, they get new UUID's. Let's copy the
# from path to the real location of the files # file to the new location. Unused files can be ignored,
path_from = os.path.join(self.servicePath, path_from) # OpenLP automatically cleans up the service manager dir on
else: # exit.
# If this file has not yet been saved, let's copy the file audio_from = os.path.join(self.servicePath, audio_from)
# to the service manager path save_file = os.path.join(self.servicePath, audio_to)
save_file = os.path.join(self.servicePath, path_to) save_path = os.path.split(save_file)[0]
save_path = os.path.split(save_file)[0] if not os.path.exists(save_path):
if not os.path.exists(save_path): os.makedirs(save_path)
os.makedirs(save_path) if not os.path.exists(save_file):
shutil.copy(path_from, save_file) shutil.copy(audio_from, save_file)
zip.write(path_from, path_to.encode(u'utf-8')) zip.write(audio_from, audio_to.encode(u'utf-8'))
except IOError: 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 success = False
finally: finally:
if zip: if zip:
@ -576,10 +595,13 @@ class ServiceManager(QtGui.QWidget):
self.mainwindow.finishedProgressBar() self.mainwindow.finishedProgressBar()
Receiver.send_message(u'cursor_normal') Receiver.send_message(u'cursor_normal')
if success: if success:
shutil.copy(temp_file_name, path_file_name)
self.mainwindow.addRecentFile(path_file_name) self.mainwindow.addRecentFile(path_file_name)
self.setModified(False) self.setModified(False)
else: try:
delete_file(path_file_name) delete_file(temp_file_name)
except:
pass
return success return success
def saveFileAs(self): def saveFileAs(self):
@ -623,6 +645,7 @@ class ServiceManager(QtGui.QWidget):
osfile = unicode(QtCore.QDir.toNativeSeparators(ucsfile)) osfile = unicode(QtCore.QDir.toNativeSeparators(ucsfile))
if not osfile.startswith(u'audio'): if not osfile.startswith(u'audio'):
osfile = os.path.split(osfile)[1] osfile = os.path.split(osfile)[1]
log.debug(u'Extract file: %s', osfile)
zipinfo.filename = osfile zipinfo.filename = osfile
zip.extract(zipinfo, self.servicePath) zip.extract(zipinfo, self.servicePath)
if osfile.endswith(u'osd'): if osfile.endswith(u'osd'):
@ -1022,11 +1045,12 @@ class ServiceManager(QtGui.QWidget):
""" """
Empties the servicePath of temporary files. Empties the servicePath of temporary files.
""" """
log.debug(u'Cleaning up servicePath')
for file in os.listdir(self.servicePath): for file in os.listdir(self.servicePath):
file_path = os.path.join(self.servicePath, file) file_path = os.path.join(self.servicePath, file)
delete_file(file_path) delete_file(file_path)
if os.path.exists(os.path.join(self.servicePath, u'audio')): 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): def onThemeComboBoxSelected(self, currentIndex):
""" """