U Pe}@sdZddlZGdddZdS)a Weak Method =========== The :class:`WeakMethod` is used by the :class:`~kivy.clock.Clock` class to allow references to a bound method that permits the associated object to be garbage collected. Please refer to `examples/core/clock_method.py` for more information. This WeakMethod class is taken from the recipe http://code.activestate.com/recipes/81253/, based on the nicodemus version. Many thanks nicodemus! Nc@s8eZdZdZddZddZddZdd Zd d Zd S) WeakMethodzzImplementation of a `weakref `_ for functions and bound methods. cCsfd|_d|_z4|jdk r2|jj|_t|j|_n ||_d|_Wn tk r`||_d|_YnXdS)N)method method_name__self____func____name__weakrefproxyAttributeError)selfrr 3/tmp/pip-unpacked-wheel-xzebddm3/kivy/weakmethod.py__init__s   zWeakMethod.__init__cCs8|jdk r2zt|j|jWStk r0YdSX|jS)zReturn a new bound-method like the original, or the original function if it was just a function or unbound method. Returns None if the original object doesn't exist. N)r getattrrReferenceErrorrr r r r __call__%s  zWeakMethod.__call__cCs>|jdkrdSzt|j|jWdStk r8YdSXdS)zReturns True if the referenced callable was a bound method and the instance no longer exists. Otherwise, return False. NFT)r rrrrr r r is_dead3s zWeakMethod.is_deadcCs,t|t|k rdS|}|dk o*||kS)NF)type)r othersr r r __eq__@szWeakMethod.__eq__cCsd|j|j|jS)Nz.)formatr rrrr r r __repr__Fs zWeakMethod.__repr__N) r __module__ __qualname____doc__rrrrrr r r r rs  r)rrrr r r r s