pluginmate.env.push('myenv2')
b = B()
b.disable()
print('--------------')
e = ExtensionPoint(ITest)
pluginmate.env.pop()
print(e.services())
pluginmate.env.pop()
print (pluginmate.env('myenv'))
#'''
'''
@interface
class IOptionManager:
pass
@implements(IOptionManager)
class OptionMager:
def __init__(self):
self.__values = defaultdict(dict)
def __init__(self, interface):
self.__interface = interface
self.__env = pluginmate.env()
