- show a dialog when a corrupted service file is opened. http://support.openlp.org/issues/65

- removed the return from the except and attempt to remove service files when saving fails.

bzr-revno: 1424

openlp/core/lib/__init__.py

@@ -316,8 +316,11 @@ def check_directory_exists(dir):
         Theme directory to make sure exists
     """
     log.debug(u'check_directory_exists %s' % dir)
-    if not os.path.exists(dir):
-        os.makedirs(dir)
+    try:
+        if not os.path.exists(dir):
+            os.makedirs(dir)
+    except IOError:
+        pass
 
 from listwidgetwithdnd import ListWidgetWithDnD
 from displaytags import DisplayTags

openlp/core/ui/servicemanager.py

@@ -481,28 +481,30 @@ class ServiceManager(QtGui.QWidget):
         # Usual Zip file cannot exceed 2GiB, file with Zip64 cannot be
         # extracted using unzip in UNIX.
         allow_zip_64 = (total_size > 2147483648 + len(service_content))
-        log.debug(u'ServiceManager.saveFile - allowZip64 is %s' %
-            allow_zip_64)
+        log.debug(u'ServiceManager.saveFile - allowZip64 is %s' % allow_zip_64)
         zip = None
+        success = True
         try:
             zip = zipfile.ZipFile(path_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)
+            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'))
         except IOError:
             log.exception(u'Failed to save service to disk')
-            return False
+            success = False
         finally:
             if zip:
                 zip.close()
-        self.mainwindow.addRecentFile(path_file_name)
-        self.setModified(False)
-        return True
+        if success:
+            self.mainwindow.addRecentFile(path_file_name)
+            self.setModified(False)
+        else:
+            delete_file(path_file_name)
+        return success
 
     def saveFileAs(self):
         """
@@ -527,8 +529,9 @@ class ServiceManager(QtGui.QWidget):
     def loadFile(self, fileName):
         if not fileName:
             return False
-        else:
-            fileName = unicode(fileName)
+        fileName = unicode(fileName)
+        if not os.path.exists(fileName):
+            return False
         zip = None
         fileTo = None
         try:
@@ -566,24 +569,27 @@ class ServiceManager(QtGui.QWidget):
                         Receiver.send_message(u'%s_service_load' %
                             serviceItem.name.lower(), serviceItem)
                 delete_file(p_file)
+                self.setFileName(fileName)
+                self.mainwindow.addRecentFile(fileName)
+                self.setModified(False)
+                QtCore.QSettings().setValue(
+                    'service/last file', QtCore.QVariant(fileName))
                 Receiver.send_message(u'cursor_normal')
             else:
                 critical_error_message_box(
                     message=translate('OpenLP.ServiceManager',
                     'File is not a valid service.'))
                 log.exception(u'File contains no service data')
-        except (IOError, NameError):
+        except (IOError, NameError, zipfile.BadZipfile):
+            critical_error_message_box(
+                message=translate('OpenLP.ServiceManager',
+                'File could not be opened because it is corrupt.'))
             log.exception(u'Problem loading service file %s' % fileName)
         finally:
             if fileTo:
                 fileTo.close()
             if zip:
                 zip.close()
-        self.setFileName(fileName)
-        self.mainwindow.addRecentFile(fileName)
-        self.setModified(False)
-        QtCore.QSettings(). \
-            setValue(u'service/last file', QtCore.QVariant(fileName))
 
     def loadLastFile(self):
         """