New submission from STINNER Victor <[email protected]>:
$ ./python
Python 3.10.0a0 (heads/unicode_latin1:40855c7064, Jun 24 2020, 00:20:07)
>>> import select
>>> select.epoll.register.__text_signature__
'($self, /, fd,\n eventmask=select.EPOLLIN | select.EPOLLPRI |
select.EPOLLOUT)'
>>> import inspect
>>> inspect.signature(select.epoll.register)
<Signature (self, /, fd)>
=> eventmask parameter is gone!
Either signature() must raise an exception, or it must handle a
__text_signature__ containing a newline character.
Issue spotted on bpo-31938 when fixing "./python -m pydoc select".
By the way, as expected, pydoc shows:
Help on method_descriptor in select.epoll:
---
$ ./python -m pydoc select.epoll.register
select.epoll.register = register(self, /, fd)
Registers a new fd or raises an OSError if the fd is already registered.
(...)
---
----------
components: Library (Lib)
messages: 372213
nosy: serhiy.storchaka, vstinner, yselivanov
priority: normal
severity: normal
status: open
title: inspect.signature() doesn't parse __text_signature__ containing a
newline character
versions: Python 3.10
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Python tracker <[email protected]>
<https://bugs.python.org/issue41095>
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