Merge pull request #15095 from jjshoe/sort_plugins

Sort plugins by basename to support ordering callbacks
This commit is contained in:
Toshio Kuratomi 2016-03-22 10:15:42 -07:00
commit 2f118e546f

View file

@ -348,36 +348,38 @@ class PluginLoader:
''' instantiates all plugins with the same arguments '''
class_only = kwargs.pop('class_only', False)
all_matches = []
for i in self._get_paths():
matches = glob.glob(os.path.join(i, "*.py"))
matches.sort()
for path in matches:
name, _ = os.path.splitext(path)
if '__init__' in name:
continue
all_matches.extend(glob.glob(os.path.join(i, "*.py")))
if path not in self._module_cache:
self._module_cache[path] = self._load_module_source(name, path)
for path in sorted(all_matches, key=lambda match: os.path.basename(match)):
name, _ = os.path.splitext(path)
if '__init__' in name:
continue
obj = getattr(self._module_cache[path], self.class_name)
if self.base_class:
# The import path is hardcoded and should be the right place,
# so we are not expecting an ImportError.
module = __import__(self.package, fromlist=[self.base_class])
# Check whether this obj has the required base class.
try:
plugin_class = getattr(module, self.base_class)
except AttributeError:
continue
if not issubclass(obj, plugin_class):
continue
if path not in self._module_cache:
self._module_cache[path] = self._load_module_source(name, path)
if not class_only:
obj = obj(*args, **kwargs)
obj = getattr(self._module_cache[path], self.class_name)
if self.base_class:
# The import path is hardcoded and should be the right place,
# so we are not expecting an ImportError.
module = __import__(self.package, fromlist=[self.base_class])
# Check whether this obj has the required base class.
try:
plugin_class = getattr(module, self.base_class)
except AttributeError:
continue
if not issubclass(obj, plugin_class):
continue
# set extra info on the module, in case we want it later
setattr(obj, '_original_path', path)
yield obj
if not class_only:
obj = obj(*args, **kwargs)
# set extra info on the module, in case we want it later
setattr(obj, '_original_path', path)
yield obj
action_loader = PluginLoader(
'ActionModule',