New submission from Serhiy Storchaka <[email protected]>:
There are several occurrences of type(literal) in the code of the stdlib where
literal is a literal of built-in type: '', 1, [], {}, etc. I suppose it is a
remnants of very old code written when str, int, list, dict, etc were functions
and not classes.
The proposed PR replaces `type(literal)` with corresponding builtin types. It
makes the code cleaner.
I consider also idea of replacing identity or equality checks ("is" or "==")
with isinstance(). I suppose that that code was written when built-in types
were not subclassable. But now there is a reason to use isinstance().
See also issue44711.
----------
components: Library (Lib)
messages: 398002
nosy: serhiy.storchaka
priority: normal
severity: normal
status: open
title: Replace `type(literal)` with corresponding builtin types
versions: Python 3.11
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Python tracker <[email protected]>
<https://bugs.python.org/issue44712>
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