mirror of https://github.com/python/cpython
bee112a94d
Users want to know when the current context switches to a different context object. Right now this happens when and only when a context is entered or exited, so the enter and exit events are synonymous with "switched". However, if the changes proposed for gh-99633 are implemented, the current context will also switch for reasons other than context enter or exit. Since users actually care about context switches and not enter or exit, replace the enter and exit events with a single switched event. The former exit event was emitted just before exiting the context. The new switched event is emitted after the context is exited to match the semantics users expect of an event with a past-tense name. If users need the ability to clean up before the switch takes effect, another event type can be added in the future. It is not added here because YAGNI. I skipped 0 in the enum as a matter of practice. Skipping 0 makes it easier to troubleshoot when code forgets to set zeroed memory, and it aligns with best practices for other tools (e.g., https://protobuf.dev/programming-guides/dos-donts/#unspecified-enum). Co-authored-by: Richard Hansen <rhansen@rhansen.org> Co-authored-by: Victor Stinner <vstinner@python.org> |
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.. | ||
build | ||
buildbot | ||
c-analyzer | ||
cases_generator | ||
clinic | ||
freeze | ||
gdb | ||
i18n | ||
importbench | ||
jit | ||
lockbench | ||
msi | ||
nuget | ||
patchcheck | ||
peg_generator | ||
scripts | ||
ssl | ||
tsan | ||
tz | ||
unicode | ||
unittestgui | ||
wasm | ||
README | ||
requirements-dev.txt | ||
requirements-hypothesis.txt |
README
This directory contains a number of Python programs that are useful while building or extending Python. build Automatically generated directory by the build system contain build artifacts and intermediate files. buildbot Batchfiles for running on Windows buildbot workers. c-analyzer Tools to check no new global variables have been added. cases_generator Tooling to generate interpreters. clinic A preprocessor for CPython C files in order to automate the boilerplate involved with writing argument parsing code for "builtins". freeze Create a stand-alone executable from a Python program. gdb Python code to be run inside gdb, to make it easier to debug Python itself (by David Malcolm). i18n Tools for internationalization. pygettext.py parses Python source code and generates .pot files, and msgfmt.py generates a binary message catalog from a catalog in text format. importbench A set of micro-benchmarks for various import scenarios. msi Support for packaging Python as an MSI package on Windows. nuget Files for the NuGet package manager for .NET. patchcheck Tools for checking and applying patches to the Python source code and verifying the integrity of patch files. peg_generator PEG-based parser generator (pegen) used for new parser. scripts A number of useful single-file programs, e.g. run_tests.py which runs the Python test suite. ssl Scripts to generate ssl_data.h from OpenSSL sources, and run tests against multiple installations of OpenSSL and LibreSSL. tz A script to dump timezone from /usr/share/zoneinfo. unicode Tools for generating unicodedata and codecs from unicode.org and other mapping files (by Fredrik Lundh, Marc-Andre Lemburg and Martin von Loewis). unittestgui A Tkinter based GUI test runner for unittest, with test discovery. wasm Config and helpers to facilitate cross compilation of CPython to WebAssembly (WASM). Note: The pynche color editor has moved to https://gitlab.com/warsaw/pynche