Search results for “site:peps.python.org”
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peps.python.org
pep-0599
This PEP proposes the creation of a manylinux2014 platform tag to succeed the manylinux2010 tag introduced by PEP 513. It also proposes that PyPI and pip both be updated to support uploading, downloading, and installing manylinux2014 distributions on co...
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peps.python.org
pep-0623
PEP 393 deprecated some unicode APIs, and introduced wchar_t *wstr, and Py_ssize_t wstr_length in the Unicode structure to support these deprecated APIs.
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peps.python.org
pep-0667
In early versions of Python all namespaces, whether in functions, classes or modules, were all implemented the same way: as a dictionary.
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peps.python.org
pep-0669
Using a profiler or debugger in CPython can have a severe impact on performance. Slowdowns by an order of magnitude are common.
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peps.python.org
pep-0686
This PEP proposes enabling UTF-8 mode by default.
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peps.python.org
pep-0688
This PEP proposes a Python-level API for the buffer protocol, which is currently accessible only to C code. This allows type checkers to evaluate whether objects implement the protocol.
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peps.python.org
pep-0696
This PEP introduces the concept of type defaults for type parameters, including TypeVar, ParamSpec, and TypeVarTuple, which act as defaults for type parameters for which no type is specified.
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peps.python.org
pep-0698
This PEP proposes adding an @override decorator to the Python type system. This will allow type checkers to prevent a class of bugs that occur when a base class changes methods that are inherited by derived classes.
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peps.python.org
pep-0699
PEP 509 introduced a private ma_version_tag field for dictionaries to allow optimizations in CPython and extension libraries. This PEP proposes to rescind PEP 509 and declare the field an implementation detail, as it has already been superseded by alter...
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peps.python.org
pep-0701
This document proposes to lift some of the restrictions originally formulated in PEP 498 and to provide a formalized grammar for f-strings that can be integrated into the parser directly. The proposed syntactic formalization of f-strings will have some ...
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