cpython/Tools
Victor Stinner 0518edc170
gh-119396: Optimize unicode_repr() (#119617)
Use stringlib to specialize unicode_repr() for each string kind
(UCS1, UCS2, UCS4).

Benchmark:

+-------------------------------------+---------+----------------------+
| Benchmark                           | ref     | change2              |
+=====================================+=========+======================+
| repr('abc')                         | 100 ns  | 103 ns: 1.02x slower |
+-------------------------------------+---------+----------------------+
| repr('a' * 100)                     | 369 ns  | 369 ns: 1.00x slower |
+-------------------------------------+---------+----------------------+
| repr(('a' + squote) * 100)          | 1.21 us | 946 ns: 1.27x faster |
+-------------------------------------+---------+----------------------+
| repr(('a' + nl) * 100)              | 1.23 us | 907 ns: 1.36x faster |
+-------------------------------------+---------+----------------------+
| repr(dquote + ('a' + squote) * 100) | 1.08 us | 858 ns: 1.25x faster |
+-------------------------------------+---------+----------------------+
| Geometric mean                      | (ref)   | 1.16x faster         |
+-------------------------------------+---------+----------------------+
2024-05-28 18:05:20 +02:00
..
build gh-112844: Update CPE references for external dependencies (#118521) 2024-05-20 13:27:09 -04:00
buildbot gh-115556: Remove quotes from command-line arguments in test.bat and rt.bat (#115557) 2024-02-16 21:24:56 +01:00
c-analyzer gh-119396: Optimize unicode_repr() (#119617) 2024-05-28 18:05:20 +02:00
cases_generator GH-118910: Less boilerplate in the tier 2 optimizer (#118913) 2024-05-10 17:43:23 +01:00
clinic gh-117557: Improve error messages when a string, bytes or bytearray of length 1 are expected (GH-117631) 2024-05-28 12:01:37 +03:00
freeze gh-65701: document that freeze doesn't work with framework builds on macOS (#113352) 2023-12-21 16:28:00 +01:00
gdb gdb/libpython.py: Update PyLongObjectPtr docstring (GH-118438) 2024-05-02 08:57:45 +00:00
i18n gh-102507 Remove invisible pagebreak characters (#102531) 2023-03-08 13:58:14 +00:00
importbench gh-58032: Do not use argparse.FileType in module CLIs and scripts (GH-113649) 2024-01-10 15:07:19 +02:00
jit GH-118943: Fix a race condition when generating jit_stencils.h (GH-118957) 2024-05-16 12:11:42 -04:00
lockbench gh-108724: Add PyMutex and _PyParkingLot APIs (gh-109344) 2023-09-19 09:54:29 -06:00
msi gh-117505: Run ensurepip in isolated env in Windows installer (GH-118257) 2024-05-22 18:59:47 +01:00
nuget bpo-41744: Package python.props with correct name in NuGet package (GH-22154) 2020-09-14 20:30:15 +01:00
patchcheck gh-109408: Revert pre-commit whitespace checks pending portable solution (#110726) 2023-10-11 16:12:28 +00:00
peg_generator Fix typos in comments (#119645) 2024-05-28 09:53:32 +02:00
scripts gh-115178: Add Counts of UOp Pairs to pystats (GH-115181) 2024-04-16 14:27:18 +01:00
ssl gh-109991: Update GitHub CI workflows to use OpenSSL 3.0.13. (#115050) 2024-02-05 21:10:11 -05:00
tsan gh-117657: Fix itertools.count thread safety (#119268) 2024-05-21 10:16:34 -07:00
tz bpo-29919: Remove unused imports found by pyflakes (#137) 2017-03-27 16:05:26 +02:00
unicode gh-96954: use a directed acyclic word graph for storing the unicodedata codepoint names (#97906) 2023-11-04 15:56:58 +01:00
unittestgui Remove a redundant assignment in Tools/unittestgui/unittestgui.py (GH-21438) 2021-05-16 16:55:06 +01:00
wasm Fix typos in comments (#119645) 2024-05-28 09:53:32 +02:00
README gh-100176: Remove outdated Tools/{io,cc,string}bench (#101853) 2024-02-17 14:17:21 -07:00
requirements-dev.txt build(deps-dev): bump types-psutil from 5.9.5.20240316 to 5.9.5.20240423 in /Tools (#118464) 2024-05-01 19:15:30 +00:00
requirements-hypothesis.txt build(deps): bump hypothesis from 6.100.0 to 6.100.2 in /Tools (#118462) 2024-05-04 14:47:48 +01:00

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