Search results

Add colour to tokenize CLI output

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148991 In python/cpython;

· hugovk opened on Apr 25, 2026

Add colour to ast.dump output

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148981 In python/cpython;

· StanFromIreland opened on Apr 25, 2026

xmlrpc.client lacks sanitization in methodname

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-XML

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148954 In python/cpython;

· DarkaMaul opened on Apr 24, 2026

Endless polling EOF socket

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148950 In python/cpython;

· Kraksna83 opened on Apr 24, 2026

dataclass(slots=True) fails if method has an empty __class__ cell

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-dataclasses

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148947 In python/cpython;

· JelleZijlstra opened on Apr 24, 2026

Unable to execute str(importlib.metadata.metadata("x'x'x"))

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-importlib

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148944 In python/cpython;

· Jesse205 opened on Apr 24, 2026

dataclass tries to generate __init__() even though the class already defines one

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-dataclasses

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148941 In python/cpython;

· tonyyuyiding opened on Apr 23, 2026

pickle protocol 5: writable in-band PickleBuffer with empty tobytes() can memoize b'' via BYTEARRAY8, so later bytes references unpickle as bytearray

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148914 In python/cpython;

· madkrouger opened on Apr 23, 2026

Add support for VISCII encoding in codecs

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148865 In python/cpython;

· henryivesjones opened on Apr 22, 2026

REPL pasting behavior is different on Windows and unix consoles

OS-windows

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148861 In python/cpython;

· GabrielvMarinho opened on Apr 22, 2026

Deprecate BaseCookie.js_output() method

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148849 In python/cpython;

· sethmlarson opened on Apr 21, 2026

argparse in 3.14+ is importing _colorize earlier than necessary

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148823 In python/cpython;

· DavidCEllis opened on Apr 21, 2026