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172: API now subclasses from DictProxy

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This commit is contained in:
Jason Gerard DeRose 2008-08-15 01:32:20 +00:00
parent e43a5c642e
commit 1a92bdf29b
1 changed files with 2 additions and 29 deletions
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31
ipalib/plugable.py
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@ -674,7 +674,7 @@ class Registrar(ReadOnly):
yield (base, tuple(sub_d[k] for k in sorted(sub_d)))
class API(ReadOnly):
class API(DictProxy):
"""
Dynamic API object through which `Plugin` instances are accessed.
"""
@ -683,7 +683,7 @@ class API(ReadOnly):
def __init__(self, *allowed):
self.__d = dict()
self.register = Registrar(*allowed)
lock(self)
super(API, self).__init__(self.__d)
def finalize(self):
"""
@ -713,30 +713,3 @@ class API(ReadOnly):
lock(plugin)
assert plugin.api is self
object.__setattr__(self, '_API__finalized', True)
def __len__(self):
"""
Returns the number of namespaces in this API.
"""
return len(self.__d)
def __iter__(self):
"""
Iterates through the names of the namespaces in this API.
"""
for key in sorted(self.__d):
yield key
def __contains__(self, key):
"""
Returns True if this API contains a `NameSpace` named ``key``.
"""
return key in self.__d
def __getitem__(self, key):
"""
Returns the `NameSpace` instance named ``key``.
"""
if key in self.__d:
return self.__d[key]
raise KeyError('API has no NameSpace %r' % key)