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class updict(dict):
A descriptor that updates it's internal represention on set, and
returns the dictionary to original state on deletion.
def __init__(self, *args, **kw):
super(updict, self).__init__(*args, **kw)
self.default = self.copy()
def __get__(self, obj, objtype):
return self
def __set__(self, obj, val):
def __delete__(self, obj):
class template(object):
A little descriptor for returning templates from jinja env.
env_method = 'template_env'
def __init__(self, name): = name
def get_env(self, obj):
return getattr(obj, self.env_method, None)
def __get__(self, obj, objtype):
env = self.get_env(obj)
return env.get_template(