def unload_plugin(plugin_name):
"""for testing purposes"""
_unregister_module_extensions(plugin_name)
if hasattr(picard.plugins, plugin_name):
delattr(picard.plugins, plugin_name)
key = _PLUGIN_MODULE_PREFIX + plugin_name
if key in sys.modules:
del sys.modules[key]
def unload_plugin(plugin_name):
"""for testing purposes"""
_unregister_module_extensions(plugin_name)
if hasattr(picard.plugins, plugin_name):
delattr(picard.plugins, plugin_name)
key = _PLUGIN_MODULE_PREFIX + plugin_name
if key in sys.modules:
del sys.modules[key]
def _remove_plugin(self, plugin_name, with_update=False):
self._remove_plugin_files(plugin_name, with_update)
_unregister_module_extensions(plugin_name)
self.plugins = [
p for p in self.plugins if p.module_name != plugin_name
]
def _load_plugin_from_directory(self, name, plugindir):
module_file = None
(zip_importer, module_name,
manifest_data) = zip_import(os.path.join(plugindir, name + '.zip'))
if zip_importer:
name = module_name
if not zip_importer.find_module(name):
error = _("Failed loading zipped plugin %r") % name
self.plugin_error(name, error)
return None
module_pathname = zip_importer.get_filename(name)
else:
try:
info = imp.find_module(name, [plugindir])
module_file = info[0]
module_pathname = info[1]
except ImportError:
error = _("Failed loading plugin %r") % name
self.plugin_error(name, error)
return None
plugin = None
try:
existing_plugin, existing_plugin_index = self._get_plugin_index_by_name(
name)
if existing_plugin:
log.warning(
"Module %r conflict: unregistering previously"
" loaded %r version %s from %r",
existing_plugin.module_name, existing_plugin.name,
existing_plugin.version, existing_plugin.file)
_unregister_module_extensions(name)
full_module_name = _PLUGIN_MODULE_PREFIX + name
if zip_importer:
plugin_module = zip_importer.load_module(full_module_name)
else:
plugin_module = imp.load_module(full_module_name, *info)
plugin = PluginWrapper(plugin_module,
plugindir,
file=module_pathname,
manifest_data=manifest_data)
compatible_versions = _compatible_api_versions(plugin.api_versions)
if compatible_versions:
log.debug(
"Loading plugin %r version %s, compatible with API: %s",
plugin.name, plugin.version, ", ".join([
version_to_string(v, short=True)
for v in sorted(compatible_versions)
]))
plugin.compatible = True
setattr(picard.plugins, name, plugin_module)
if existing_plugin:
self.plugins[existing_plugin_index] = plugin
else:
self.plugins.append(plugin)
else:
error = _("Plugin '%s' from '%s' is not compatible with this "
"version of Picard.") % (plugin.name, plugin.file)
self.plugin_error(plugin.name, error, log_func=log.warning)
except VersionError as e:
error = _("Plugin %r has an invalid API version string : %s") % (
name, e)
self.plugin_error(name, error)
except BaseException:
error = _("Plugin %r : %s") % (name, traceback.format_exc())
self.plugin_error(name, error)
if module_file is not None:
module_file.close()
return plugin
def _remove_plugin(self, plugin_name, with_update=False):
self._remove_plugin_files(plugin_name, with_update)
_unregister_module_extensions(plugin_name)
self.plugins = [p for p in self.plugins if p.module_name != plugin_name]
def _load_plugin_from_directory(self, name, plugindir):
module_file = None
(zip_importer, module_name, manifest_data) = zip_import(os.path.join(plugindir, name + '.zip'))
if zip_importer:
name = module_name
if not zip_importer.find_module(name):
error = _("Failed loading zipped plugin %r") % name
self.plugin_error(name, error)
return None
module_pathname = zip_importer.get_filename(name)
else:
try:
info = imp.find_module(name, [plugindir])
module_file = info[0]
module_pathname = info[1]
except ImportError:
error = _("Failed loading plugin %r") % name
self.plugin_error(name, error)
return None
plugin = None
try:
existing_plugin, existing_plugin_index = self._get_plugin_index_by_name(name)
if existing_plugin:
log.warning("Module %r conflict: unregistering previously"
" loaded %r version %s from %r",
existing_plugin.module_name,
existing_plugin.name,
existing_plugin.version,
existing_plugin.file)
_unregister_module_extensions(name)
full_module_name = _PLUGIN_MODULE_PREFIX + name
if zip_importer:
plugin_module = zip_importer.load_module(full_module_name)
else:
plugin_module = imp.load_module(full_module_name, *info)
plugin = PluginWrapper(plugin_module, plugindir,
file=module_pathname, manifest_data=manifest_data)
compatible_versions = _compatible_api_versions(plugin.api_versions)
if compatible_versions:
log.debug("Loading plugin %r version %s, compatible with API: %s",
plugin.name,
plugin.version,
", ".join([version_to_string(v, short=True) for v in
sorted(compatible_versions)]))
plugin.compatible = True
setattr(picard.plugins, name, plugin_module)
if existing_plugin:
self.plugins[existing_plugin_index] = plugin
else:
self.plugins.append(plugin)
else:
error = _("Plugin '%s' from '%s' is not compatible with this "
"version of Picard.") % (plugin.name, plugin.file)
self.plugin_error(plugin.name, error, log_func=log.warning)
except VersionError as e:
error = _("Plugin %r has an invalid API version string : %s") % (name, e)
self.plugin_error(name, error)
except BaseException:
error = _("Plugin %r : %s") % (name, traceback.format_exc())
self.plugin_error(name, error)
if module_file is not None:
module_file.close()
return plugin