Maximum recursion depth exceeded through mro

[pylint-bot]

Originally reported by: Michal Čihař (BitBucket: nijel, GitHub: nijel)

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After upgrading to pylint 1.4.1, astroid 1.3.4 I get following error:

#!pytb

  File "/usr/lib/python2.7/site-packages/django_jenkins/tasks/run_pylint.py", line 38, in run
    lint.Run(args, reporter=ParseableTextReporter(output=output), exit=False)
  File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 1266, in __init__
    linter.check(args)
  File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 674, in check
    self._do_check(files_or_modules)
  File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 805, in _do_check
    self.check_astroid_module(ast_node, walker, rawcheckers, tokencheckers)
  File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 881, in check_astroid_module
    walker.walk(ast_node)
  File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 869, in walk
    self.walk(child)
  File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 869, in walk
    self.walk(child)
  File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 869, in walk
    self.walk(child)
  File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 866, in walk
    cb(astroid)
  File "/usr/lib/python2.7/site-packages/pylint/checkers/base.py", line 392, in visit_callfunc
    abstract_methods = _has_abstract_methods(infered)
  File "/usr/lib/python2.7/site-packages/pylint/checkers/base.py", line 191, in _has_abstract_methods
    return len(unimplemented_abstract_methods(node)) > 0
  File "/usr/lib/python2.7/site-packages/pylint/checkers/utils.py", line 532, in unimplemented_abstract_methods
    mro = reversed(node.mro())
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 1456, in mro
    unmerged_mro = [[self]] + [base.mro() for base in bases] + [bases]
[skipped 950 same tracebacks]
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 1455, in mro
    bases = list(self._inferred_bases(context=context))
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 1433, in _inferred_bases
    baseobj = next(stmt.infer(context=context))
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 110, in cache_generator
    for result in generator:
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 341, in wrapped
    for res in _func(node, context, **kwargs):
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 365, in wrapper
    for node in func(*args, **kwargs):
  File "/usr/lib/python2.7/site-packages/astroid/inference.py", line 239, in infer_getattr
    for owner in self.expr.infer(context):
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 110, in cache_generator
    for result in generator:
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 341, in wrapped
    for res in _func(node, context, **kwargs):
  File "/usr/lib/python2.7/site-packages/astroid/inference.py", line 167, in infer_name
    frame, stmts = self.lookup(self.name)
  File "/usr/lib/python2.7/site-packages/astroid/node_classes.py", line 124, in lookup
    return self.scope().scope_lookup(self, name)
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 1046, in scope_lookup
    return frame._scope_lookup(node, name, offset)
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 186, in _scope_lookup
    return pscope.scope_lookup(node, name)
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 345, in scope_lookup
    return self._scope_lookup(node, name, offset)
  File "/usr/lib/python2.7/site-packages/astroid/scoped_nodes.py", line 175, in _scope_lookup
    stmts = node._filter_stmts(self.locals[name], self, offset)
  File "/usr/lib/python2.7/site-packages/astroid/node_classes.py", line 206, in _filter_stmts
    pindex = _stmt_parents.index(stmt.parent)
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 427, in __repr__
    self._repr_name(),
  File "/usr/lib/python2.7/site-packages/astroid/bases.py", line 420, in _repr_name
    return getattr(self, 'name', getattr(self, 'attrname', ''))
RuntimeError: maximum recursion depth exceeded in cmp

This might be same as #54, though the traceback looks different, so I've rather reported it as a separate issue.

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• Bitbucket: https://bitbucket.org/logilab/astroid/issue/80

[pylint-bot]

Original comment by Michal Čihař (BitBucket: nijel, GitHub: nijel):

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Actually this was bug in plugin, sorry for confusion. See pylint-dev/pylint-django#37