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Merge branch 'fix-clone-theme-background-missing-source' into 'master'

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Fix clone theme with missing background source

Closes #322

See merge request openlp/openlp!70
This commit is contained in:
Tim Bentley 2019-11-02 07:14:10 +00:00
commit 656a8479a9
2 changed files with 41 additions and 5 deletions
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17
openlp/core/ui/thememanager.py
View File

@ -324,11 +324,13 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
:param str new_theme_name: The new theme name of the theme
:rtype: None
"""
old_background = None
if theme_data.background_type == 'image' or theme_data.background_type == 'video':
old_background = theme_data.background_filename
theme_data.background_filename = self.theme_path / new_theme_name / theme_data.background_filename.name
theme_data.theme_name = new_theme_name
theme_data.extend_image_filename(self.theme_path)
self.save_theme(theme_data)
self.save_theme(theme_data, background_override=old_background)
self.load_themes()
def on_edit_theme(self, field=None):
@ -644,12 +646,13 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
return False
return True
def save_theme(self, theme, image=None):
def save_theme(self, theme, image=None, background_override=None):
"""
Writes the theme to the disk and including the background image and thumbnail if necessary
:param Theme theme: The theme data object.
:param image: The theme thumbnail. Optionally.
:param background_override: Background to use rather than background_source. Optionally.
:rtype: None
"""
name = theme.theme_name
@ -662,13 +665,17 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
except OSError:
self.log_exception('Saving theme to file failed')
if theme.background_source and theme.background_filename:
background_file = background_override
# Use theme source image if override doesn't exist
if not background_file or not background_file.exists():
background_file = theme.background_source
if self.old_background_image_path and theme.background_filename != self.old_background_image_path:
delete_file(self.old_background_image_path)
if not theme.background_source.exists():
if not background_file.exists():
self.log_warning('Background does not exist, retaining cached background')
elif theme.background_source != theme.background_filename:
elif background_file != theme.background_filename:
try:
shutil.copyfile(theme.background_source, theme.background_filename)
shutil.copyfile(background_file, theme.background_filename)
except OSError:
self.log_exception('Failed to save theme image')
if image:

29
tests/functional/openlp_core/ui/test_thememanager.py
View File

@ -219,6 +219,35 @@ class TestThemeManager(TestCase):
# THEN: A warning should have happened due to attempting to copy a missing file
mocked_log_warning.assert_called_once_with('Background does not exist, retaining cached background')
@patch('openlp.core.ui.thememanager.shutil')
@patch('openlp.core.ui.thememanager.delete_file')
@patch('openlp.core.ui.thememanager.create_paths')
def test_save_theme_background_override(self, mocked_paths, mocked_delete, mocked_shutil):
"""
Test that we log a warning if the new background is missing
"""
# GIVEN: A new theme manager instance, with invalid files. Setup as if the user
# has changed the background to a invalid path.
# Not using resource dir because I could potentially copy a file
folder_path = Path(mkdtemp())
theme_manager = ThemeManager(None)
theme_manager.old_background_image_path = folder_path / 'old.png'
theme_manager.update_preview_images = MagicMock()
theme_manager.theme_path = MagicMock()
mocked_theme = MagicMock()
mocked_theme.theme_name = 'themename'
mocked_theme.background_filename = folder_path / 'new_cached.png'
# mocked_theme.background_source.exists() will return True
mocked_theme.background_source = MagicMock()
# override_background.exists() will return True
override_background = MagicMock()
# WHEN: Calling save_theme with a background override
theme_manager.save_theme(mocked_theme, background_override=override_background)
# THEN: The override_background should have been copied rather than the background_source
mocked_shutil.copyfile.assert_called_once_with(override_background, mocked_theme.background_filename)
def test_save_theme_special_char_name(self):
"""
Test that we can save themes with special characters in the name