New submission from Dutcho <[email protected]>:
The standard library documentation on module inspect starts with an overview of
types and attributes. This overview (in all Python versions) states:
code.co_names: tuple of names of local variables
code.co_varnames: tuple of names of arguments and local variables
That suggests the argument names are set(code.co_varnames) -
set(code.co_names), which is incorrect.
I think the attribute description should be:
code.co_names: tuple of names of used global and built-in variables
>>> def f(x): a = 1; print(f, a)
>>> assert f.__code__.co_varnames == ('x', 'a') # argument and local, in that
>>> order
>>> assert set(f.__code__.co_names) == set(('f', 'print')) # global and
>>> built-in (don't care order), not local
----------
assignee: docs@python
components: Documentation
messages: 404068
nosy: Dutcho, docs@python
priority: normal
severity: normal
status: open
title: stdlib inspect documentation on code.co_names is incorrect
versions: Python 3.10, Python 3.11, Python 3.6, Python 3.7, Python 3.8, Python
3.9
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Python tracker <[email protected]>
<https://bugs.python.org/issue45492>
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