diff options
Diffstat (limited to 'Lib/idlelib/Delegator.py')
| -rw-r--r-- | Lib/idlelib/Delegator.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Lib/idlelib/Delegator.py b/Lib/idlelib/Delegator.py index c476516..dc2a1aa 100644 --- a/Lib/idlelib/Delegator.py +++ b/Lib/idlelib/Delegator.py @@ -1,10 +1,10 @@ class Delegator: - # The cache is only used to be able to change delegates! - def __init__(self, delegate=None): self.delegate = delegate self.__cache = set() + # Cache is used to only remove added attributes + # when changing the delegate. def __getattr__(self, name): attr = getattr(self.delegate, name) # May raise AttributeError @@ -13,6 +13,9 @@ class Delegator: return attr def resetcache(self): + "Removes added attributes while leaving original attributes." + # Function is really about resetting delagator dict + # to original state. Cache is just a means for key in self.__cache: try: delattr(self, key) @@ -21,5 +24,10 @@ class Delegator: self.__cache.clear() def setdelegate(self, delegate): + "Reset attributes and change delegate." self.resetcache() self.delegate = delegate + +if __name__ == '__main__': + from unittest import main + main('idlelib.idle_test.test_delegator', verbosity=2) |