The failing code appears to be _set_proxied in inference.py.
def _set_proxied(const):
if not hasattr(const, '__proxied'):
const.__proxied = _CONST_PROXY[const.value.__class__]
return const.__proxied
nodes.Const._proxied = property(_set_proxied)
The call to hasattr can call Proxy.__getattr__ in infutils.py:
def __getattr__(self, name):
if name == '_proxied':
return getattr(self.__class__, '_proxied')
if name in self.__dict__:
return self.__dict__[name]
return getattr(self._proxied, name)
As the trace shows, the last line of __getattr__ can invoke _setProxied,
apparently directly.
My head is about to explode :-) In particular, the const argument to
_set_proxied apparently represents None without being None. The
debugger reports const to be:
<Instance of __builtin__.NoneType at (an address)>
but "const is None" evaluates to False. Ditto for various other tries,
such as isinstance(const,something-or-other)
As if that were not enough, did you notice _proxied vs. __proxied?
I do hope somebody who actually understand this code will fix it. To
repeat, pylint has been failing to catch serious bugs in my app as a
result of this problem. I've pretty much lost confidence in pylint for
now.
Edward
--
pylint spews Exception RuntimeError: maximum recursion depth exceeded while
calling a Python object
https://bugs.launchpad.net/bugs/456870
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