New submission from Brandon Zerbe:
I am using a possibly non-standard python package called Forthon, and when I
inspect an object that is dependent on the Forthon class, I get the following
error:
File "/Users/zerbeb/homemade_programs/config2class/src/method_parsing.py",
line 18, in get_all_init_args
inherited_classes = inspect.getmro(class_obj)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/inspect.py",
line 346, in getmro
if hasattr(cls, "__bases__"):
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/inspect.py",
line 337, in _searchbases
for base in cls.__bases__:
AttributeError: 'Forthon' object has no attribute '__bases__'
This was easy enough to fix, simply add "if not hasattr(cls,'__bases__'):
return" to the _searchbases function:
def _searchbases(cls, accum):
# Simulate the "classic class" search order.
if cls in accum:
return
if not hasattr(cls, "__bases__"): #Additional code.
return
accum.append(cls)
for base in cls.__bases__:
_searchbases(base, accum)
Maybe you have a better solution, but I think this edge case can be trivially
solved however you decide to edit the code.
Thanks!
----------
messages: 256525
nosy: billyziege
priority: normal
severity: normal
status: open
title: inspect.getmro() fails when base class lacks __bases__ attribute.
versions: Python 2.7
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<http://bugs.python.org/issue25884>
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