[issue35614] Broken help() on metaclasses
Serhiy Storchaka
report at bugs.python.org
Sat Dec 29 12:35:51 EST 2018
Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:
It fails also for builtin "type".
$ ./python -m pydoc type
Traceback (most recent call last):
File "/home/serhiy/py/cpython/Lib/runpy.py", line 192, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/home/serhiy/py/cpython/Lib/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 2765, in <module>
cli()
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 2727, in cli
help.help(arg)
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 1967, in help
elif request: doc(request, 'Help on %s:', output=self._output)
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 1690, in doc
pager(render_doc(thing, title, forceload))
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 1683, in render_doc
return title % desc + '\n\n' + renderer.document(object, name)
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 386, in document
if inspect.isclass(object): return self.docclass(*args)
File "/home/serhiy/py/cpython/Lib/pydoc.py", line 1258, in docclass
(str(cls.__name__) for cls in object.__subclasses__()
TypeError: descriptor '__subclasses__' of 'type' object needs an argument
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<https://bugs.python.org/issue35614>
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