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from .enabled import EnabledExtensionManager
class NamedExtensionManager(EnabledExtensionManager):
"""ExtensionManager that only loads the named extensions.
This is useful for explictly enabling extensions in a
configuration file, for example.
"""
def __init__(self, namespace, names=[],
invoke_on_load=False, invoke_args=(), invoke_kwds={}):
def check(ep):
return ep.name in names
super(NamedExtensionManager, self).__init__(namespace,
check,
invoke_on_load=invoke_on_load,
invoke_args=invoke_args,
invoke_kwds=invoke_kwds,
)
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