def __call__(self, klass, override=False):
"""
Register the plugin ``klass``.
:param klass: A subclass of `Plugin` to attempt to register.
:param override: If true, override an already registered plugin.
"""
if not inspect.isclass(klass):
raise TypeError('plugin must be a class; got %r' % klass)
# Raise DuplicateError if this exact class was already registered:
if klass in self.__registry:
raise errors.PluginDuplicateError(plugin=klass)
# The plugin is okay, add to __registry:
self.__registry[klass] = dict(override=override)
def register(plugin):
"""
Register the plugin ``plugin``.
:param plugin: A subclass of `Plugin` to attempt to register.
"""
if not callable(plugin):
raise TypeError('plugin must be callable; got %r' % plugin)
# Raise DuplicateError if this exact class was already registered:
if plugin in self.__registry:
raise errors.PluginDuplicateError(plugin=plugin)
# The plugin is okay, add to __registry:
self.__registry[plugin] = dict(kwargs, plugin=plugin)
return plugin