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Check for theme version. Implement a custom exception

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Fixes: https://launchpad.net/bugs/1419691
This commit is contained in:
Phill Ridout 2015-02-13 21:47:06 +00:00
parent 88cb02bb3d
commit af2467ed93
4 changed files with 46 additions and 13 deletions
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4
openlp/core/common/historycombobox.py
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@ -20,7 +20,7 @@
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
The :mod:`~openlp.core.lib.historycombobox` module contains the HistoryComboBox widget
The :mod:`~openlp.core.common.historycombobox` module contains the HistoryComboBox widget
"""
from PyQt4 import QtCore, QtGui
@ -28,7 +28,7 @@ from PyQt4 import QtCore, QtGui
class HistoryComboBox(QtGui.QComboBox):
"""
The :class:`~openlp.core.lib.historycombobox.HistoryComboBox` widget emulates the QLineEdit ``returnPressed`` signal
The :class:`~openlp.core.common.historycombobox.HistoryComboBox` widget emulates the QLineEdit ``returnPressed`` signal
for when the :kbd:`Enter` or :kbd:`Return` keys are pressed, and saves anything that is typed into the edit box into
its list.
"""

1
openlp/core/lib/__init__.py
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@ -312,6 +312,7 @@ def create_separated_list(string_list):
from .colorbutton import ColorButton
from .exceptions import ValidationError
from .filedialog import FileDialog
from .screen import ScreenList
from .listwidgetwithdnd import ListWidgetWithDnD

31
openlp/core/lib/exceptions.py Normal file
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@ -0,0 +1,31 @@
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2015 OpenLP Developers #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
The :mod:`~openlp.core.lib.exceptions` module contains custom exceptions
"""
class ValidationError(Exception):
"""
The :class:`~openlp.core.lib.exceptions.ValidationError` exception provides a custom exception for validating
import files.
"""
pass

19
openlp/core/ui/thememanager.py
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@ -31,7 +31,7 @@ from PyQt4 import QtCore, QtGui
from openlp.core.common import Registry, RegistryProperties, AppLocation, Settings, OpenLPMixin, RegistryMixin, \
check_directory_exists, UiStrings, translate, is_win
from openlp.core.lib import FileDialog, ImageSource, OpenLPToolbar, get_text_file_string, build_icon, \
from openlp.core.lib import FileDialog, ImageSource, OpenLPToolbar, ValidationError, get_text_file_string, build_icon, \
check_item_selected, create_thumb, validate_thumb
from openlp.core.lib.theme import ThemeXML, BackgroundType
from openlp.core.lib.ui import critical_error_message_box, create_widget_action
@ -414,13 +414,13 @@ class ThemeManager(OpenLPMixin, RegistryMixin, QtGui.QWidget, Ui_ThemeManager, R
def on_import_theme(self, field=None):
"""
Opens a file dialog to select the theme file(s) to import before attempting to extract OpenLP themes from
those files. This process will load both OpenLP version 1 and version 2 themes.
those files. This process will only load version 2 themes.
:param field:
"""
files = FileDialog.getOpenFileNames(self,
translate('OpenLP.ThemeManager', 'Select Theme Import File'),
Settings().value(self.settings_section + '/last directory import'),
translate('OpenLP.ThemeManager', 'OpenLP Themes (*.theme *.otz)'))
translate('OpenLP.ThemeManager', 'OpenLP Themes (*.otz)'))
self.log_info('New Themes %s' % str(files))
if not files:
return
@ -545,8 +545,12 @@ class ThemeManager(OpenLPMixin, RegistryMixin, QtGui.QWidget, Ui_ThemeManager, R
xml_file = [name for name in theme_zip.namelist() if os.path.splitext(name)[1].lower() == '.xml']
if len(xml_file) != 1:
self.log_error('Theme contains "%s" XML files' % len(xml_file))
raise Exception('validation')
raise ValidationError
xml_tree = ElementTree(element=XML(theme_zip.read(xml_file[0]))).getroot()
theme_version = xml_tree.get('version', default=None)
if not theme_version or float(theme_version) < 2.0:
self.log_error('Theme version is less than 2.0')
raise ValidationError
theme_name = xml_tree.find('name').text.strip()
theme_folder = os.path.join(directory, theme_name)
theme_exists = os.path.exists(theme_folder)
@ -573,13 +577,10 @@ class ThemeManager(OpenLPMixin, RegistryMixin, QtGui.QWidget, Ui_ThemeManager, R
out_file.close()
except (IOError, zipfile.BadZipfile):
self.log_exception('Importing theme from zip failed %s' % file_name)
raise Exception('validation')
except Exception as info:
if str(info) == 'validation':
raise ValidationError
except ValidationError:
critical_error_message_box(translate('OpenLP.ThemeManager', 'Validation Error'),
translate('OpenLP.ThemeManager', 'File is not a valid theme.'))
else:
raise
finally:
# Close the files, to be able to continue creating the theme.
if theme_zip: