New submission from Serhiy Storchaka:
Pydoc fails with the codecs module in 3.5+. All works in 3.4.
$ ./python -m pydoc codecs
Traceback (most recent call last):
File "/home/serhiy/py/cpython-3.5/Lib/runpy.py", line 170, in
_run_module_as_main
"__main__", mod_spec)
File "/home/serhiy/py/cpython-3.5/Lib/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 2648, in <module>
cli()
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 2613, in cli
help.help(arg)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 1895, in help
elif request: doc(request, 'Help on %s:', output=self._output)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 1632, in doc
pager(render_doc(thing, title, forceload))
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 1625, in render_doc
return title % desc + '\n\n' + renderer.document(object, name)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 370, in document
if inspect.ismodule(object): return self.docmodule(*args)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 1160, in docmodule
contents.append(self.document(value, key, name))
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 372, in document
if inspect.isroutine(object): return self.docroutine(*args)
File "/home/serhiy/py/cpython-3.5/Lib/pydoc.py", line 1345, in docroutine
signature = inspect.signature(object)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 2988, in signature
return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 2738, in from_callable
follow_wrapper_chains=follow_wrapped)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 2229, in
_signature_from_callable
skip_bound_arg=skip_bound_arg)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 2061, in
_signature_from_builtin
return _signature_fromstr(cls, func, s, skip_bound_arg)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 2009, in
_signature_fromstr
p(name, default)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 1991, in p
default_node = RewriteSymbolics().visit(default_node)
File "/home/serhiy/py/cpython-3.5/Lib/ast.py", line 245, in visit
return visitor(node)
File "/home/serhiy/py/cpython-3.5/Lib/ast.py", line 310, in generic_visit
new_node = self.visit(old_value)
File "/home/serhiy/py/cpython-3.5/Lib/ast.py", line 245, in visit
return visitor(node)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 1978, in
visit_Attribute
return wrap_value(value)
File "/home/serhiy/py/cpython-3.5/Lib/inspect.py", line 1965, in wrap_value
raise RuntimeError()
RuntimeError
----------
components: Library (Lib)
messages: 248184
nosy: doerwalter, lemburg, serhiy.storchaka, yselivanov
priority: normal
severity: normal
status: open
title: Pydoc fails with codecs
type: behavior
versions: Python 3.5, Python 3.6
_______________________________________
Python tracker <[email protected]>
<http://bugs.python.org/issue24824>
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