https://github.com/cython/cython

big-data c cpp cpython cpython-extensions cython performance python

Score: 36.86318706355877

Last synced: about 12 hours ago
JSON representation

Repository metadata:

The most widely used Python to C compiler

Host: GitHub
URL: https://github.com/cython/cython
Owner: cython
License: apache-2.0
Created: 2010-11-21T07:44:20.000Z (almost 16 years ago)
Default Branch: master
Last Pushed: 2026-08-21T06:28:44.000Z (5 days ago)
Last Synced: 2026-08-21T12:44:55.808Z (5 days ago)
Topics: big-data, c, cpp, cpython, cpython-extensions, cython, performance, python
Language: Cython
Homepage: https://cython.org
Size: 78.2 MB
Stars: 10,830
Watchers: 228
Forks: 1,616
Open Issues: 1,498
Metadata Files:
- Readme: README.rst
- Changelog: CHANGES.rst
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: COPYING.txt
- Code of conduct: .github/code-of-conduct.md
Funding:
- Github: scoder
- Tidelift: pypi/Cython

Owner metadata:

Name: cython
Login: cython
Email:
Kind: organization
Description:
Website: http://cython.org
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/486082?v=4
Repositories: 9
Last Synced at: 2024-03-25T20:23:08.544Z
Profile URL: https://github.com/cython

GitHub Events

Total

Commit comment event: 15
Create event: 33
Delete event: 17
Fork event: 113
Gollum event: 1
Issue comment event: 1993
Issues event: 590
Pull request event: 863
Pull request review comment event: 1110
Pull request review event: 1013
Push event: 850
Release event: 16
Watch event: 960
Total: 7574

Last Year

Commit comment event: 5
Create event: 20
Delete event: 14
Fork event: 25
Issue comment event: 495
Issues event: 149
Pull request event: 291
Pull request review comment event: 366
Pull request review event: 311
Push event: 399
Release event: 6
Watch event: 180
Total: 2261

Committers metadata

Last synced: 6 days ago

Total Commits: 18,168
Total Committers: 584
Avg Commits per committer: 31.11
Development Distribution Score (DDS): 0.428

Commits in past year: 1,127
Committers in past year: 51
Avg Commits per committer in past year: 22.098
Development Distribution Score (DDS) in past year: 0.437

Name	Email	Commits
Stefan Behnel	s**l@b**e	10400
Robert Bradshaw	r**b@g**m	2212
da-woods	d**t@d**k	1171
Mark Florisson	m**8@g**m	488
Dag Sverre Seljebotn	d**s@s**o	449
Lisandro Dalcin	d**l@g**m	340
Vitja Makarov	v**v@g**m	294
gabrieldemarmiesse	g**e@t**m	209
Matus Valo	m****o	182
Jeroen Demeyer	j**r@c**e	120
Matti Picus	m**s@g**m	113
ggellner@encolpuis	n**e@n**e	84
Lars Buitinck	l**s@g**m	60
Kurt Smith	k**1@w**u	50
Ian Henriksen	i**e@g**m	46
Craig Citro	c**o@g**m	39
Max Bachmann	k**t@m**e	37
William Stein	w**n@g**m	37
0dminnimda	0**a@g**m	30
Nikita Nemkin	n**a@n**u	29
gabrieldemarmiesse	g**e@g**m	29
Christoph Gohlke	c**e@u**u	27
Haoyu Bai	b**u@g**m	27
Mark Lodato	l**m@g**m	27
Zackery Spytz	z**z@g**m	25
John Kirkham	k**j@j**g	20
dependabot[bot]	4****]	20
Charles Blake	c**e@c**u	19
Yury V. Zaytsev	y**y@s**m	17
serge-sans-paille	s**n@t**u	16
and 554 more...

Issue and Pull Request metadata

Last synced: 1 day ago

Total issues: 1,018
Total pull requests: 1,674
Average time to close issues: 8 months
Average time to close pull requests: 3 months
Total issue authors: 467
Total pull request authors: 168
Average comments per issue: 3.21
Average comments per pull request: 2.42
Merged pull request: 1,174
Bot issues: 0
Bot pull requests: 12

Past year issues: 93
Past year pull requests: 235
Past year average time to close issues: about 1 month
Past year average time to close pull requests: 13 days
Past year issue authors: 57
Past year pull request authors: 38
Past year average comments per issue: 3.17
Past year average comments per pull request: 1.88
Past year merged pull request: 150
Past year bot issues: 0
Past year bot pull requests: 8

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/cython/cython

Top Issue Authors

da-woods (106)
scoder (91)
matusvalo (37)
user202729 (31)
vyasr (23)
bbb23exposed (16)
jakirkham (14)
Source61 (12)
axeldavy (11)
YoSTEALTH (11)
oscarbenjamin (9)
robertwb (8)
pitrou (8)
dg-pb (8)
dalcinl (6)

Top Pull Request Authors

da-woods (830)
scoder (217)
matusvalo (147)
dalcinl (31)
mattip (30)
bbb23exposed (17)
lysnikolaou (16)
ngoldbaum (14)
dependabot[bot] (12)
EwoutH (11)
vyasr (11)
alexandrasp (10)
user202729 (9)
kentslaney (8)
zyv (8)

Top Issue Labels

defect (189)
Code Generation (108)
Type Analysis (50)
feature (36)
enhancement (32)
support question (30)
Python Semantics (29)
Documentation (26)
Cython Language Feature (25)
Build System (23)
limited api (22)
R: duplicate (20)
cleanup (18)
Optimization (17)
Error Reporting (17)
Pure Python Mode (15)
Testing (15)
R: third party (13)
help wanted (12)
C++ (11)
R: worksforme (9)
good first issue (8)
freethreading CPython (7)
nogil CPython (7)
P: blocker (7)
performance (7)
Library (6)
R: wontfix (6)
Parsing (5)
numpy (5)

Top Pull Request Labels

Code Generation (380)
defect (365)
cleanup (198)
Testing (151)
limited api (149)
enhancement (137)
Documentation (111)
Type Analysis (88)
C++ (75)
freethreading CPython (75)
Library (50)
Build System (45)
Error Reporting (45)
feature (39)
Pure Python Mode (35)
Cython Language Feature (34)
Python Semantics (33)
Optimization (32)
performance (31)
nogil CPython (27)
PyPy (20)
Tools (17)
dependencies (12)
github_actions (11)
sharedlib (10)
numpy (9)
Debugger (7)
Coverage (4)
Parsing (4)
Python3 Semantics (2)

Package metadata

Total packages: 4
Total downloads:
- pypi: 128,677,161 last-month
- conda: 23,646,389 total
Total docker downloads: 1,267,277,045
Total dependent packages: 1,345 (may contain duplicates)
Total dependent repositories: 21,510 (may contain duplicates)
Total versions: 313
Total maintainers: 4

pypi.org: cython

The Cython compiler for writing C extensions in the Python language.

Homepage: https://cython.org/
Documentation: https://cython.readthedocs.io/
Licenses: Apache-2.0
Latest release: 3.3.0 (published 4 days ago)
Last Synced: 2026-08-24T14:03:33.634Z (1 day ago)
Versions: 170
Dependent Packages: 1,019
Dependent Repositories: 18,920
Downloads: 128,677,161 Last month
Docker Downloads: 1,267,277,045
Rankings:
- Dependent packages count: 0.023%
- Downloads: 0.03%
- Dependent repos count: 0.058%
- Docker downloads count: 0.077%
- Average: 0.372%
- Stargazers count: 0.589%
- Forks count: 1.458%
Maintainers (3)
Funding:
- https://cython.readthedocs.io/en/latest/src/donating.html

spack.io: py-cython

The Cython compiler for writing C extensions for the Python language.

Homepage: https://github.com/cython/cython
Licenses: []
Latest release: 3.2.4 (published 13 days ago)
Last Synced: 2026-08-24T14:03:37.369Z (1 day ago)
Versions: 49
Dependent Packages: 179
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.361%
- Average: 1.0%
- Stargazers count: 1.264%
- Forks count: 2.376%
Maintainers (1)
- adamjstewart

conda-forge.org: cython

Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language. It makes writing C extensions for Python as easy as Python itself.

Homepage: http://www.cython.org/
Licenses: Apache-2.0
Latest release: 0.29.32 (published about 4 years ago)
Last Synced: 2026-04-01T16:21:43.756Z (5 months ago)
Versions: 49
Dependent Packages: 136
Dependent Repositories: 1,295
Downloads: 21,479,373 Total
Rankings:
- Dependent packages count: 0.544%
- Dependent repos count: 0.549%
- Average: 2.191%
- Stargazers count: 3.573%
- Forks count: 4.097%

anaconda.org: cython

Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language. It makes writing C extensions for Python as easy as Python itself.

Homepage: https://cython.org
Licenses: Apache-2.0
Latest release: 3.2.4 (published 7 months ago)
Last Synced: 2026-07-31T13:07:58.663Z (26 days ago)
Versions: 45
Dependent Packages: 11
Dependent Repositories: 1,295
Downloads: 2,167,016 Total
Rankings:
- Dependent repos count: 3.328%
- Dependent packages count: 3.752%
- Average: 6.452%
- Stargazers count: 9.198%
- Forks count: 9.531%

Dependencies

.github/workflows/ci.yml actions

actions/checkout v3 composite
actions/checkout v2 composite
actions/setup-python v3 composite
actions/setup-python v2 composite
actions/upload-artifact v3 composite
actions/upload-artifact v2 composite
hendrikmuhs/ccache-action v1.2 composite

.github/workflows/wheels.yml actions

actions/checkout v3 composite
actions/setup-python v3 composite
actions/upload-artifact v3 composite
docker/setup-qemu-action v1 composite
pypa/cibuildwheel v2.11.4 composite
softprops/action-gh-release v1 composite

doc-requirements.txt pypi

Jinja2 ==3.0.3
jupyter *
sphinx ==3.5.3
sphinx-issues ==1.2.0
sphinx-tabs ==3.0.0

test-requirements-cpython.txt pypi

jupyter * test
line_profiler <4 test
pytest * test
setuptools <60 test

test-requirements.txt pypi

coverage * test
numpy * test
pycodestyle * test
setuptools <60 test

Demos/benchmarks/setup.py pypi

Demos/libraries/setup.py pypi

Demos/setup.py pypi

docs/examples/quickstart/build/setup.py pypi

docs/examples/tutorial/external/setup.py pypi

docs/examples/tutorial/parallelization/setup.py pypi

docs/examples/userguide/wrapping_CPlusPlus/setup.py pypi

setup.py pypi

.github/workflows/benchmarks.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-python 5fda3b95a4ea91299a34e894583c3862153e4b97 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite
dorny/paths-filter 7b450fff21473bca461d4b92ce414b9d0420d706 composite
hendrikmuhs/ccache-action d62db5f07c26379fc4b4e0916f098a92573c3b03 composite

.github/workflows/nightly-wheels.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-python 5fda3b95a4ea91299a34e894583c3862153e4b97 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite
scientific-python/upload-nightly-action e76cfec8a4611fd02808a801b0ff5a7d7c1b2d99 composite

.github/workflows/sanitizers.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
dorny/paths-filter 7b450fff21473bca461d4b92ce414b9d0420d706 composite

test-requirements-313.txt pypi

interpreters-pep-734 * test

.github/workflows/benchmarks-weekly.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-python 5fda3b95a4ea91299a34e894583c3862153e4b97 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite
hendrikmuhs/ccache-action d62db5f07c26379fc4b4e0916f098a92573c3b03 composite

.github/cibuildwheel-requirement.txt pypi

cibuildwheel ==4.1.1

.github/workflows/ci-job.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/setup-python v7.0.0 composite
actions/setup-python 5fda3b95a4ea91299a34e894583c3862153e4b97 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite
hendrikmuhs/ccache-action d62db5f07c26379fc4b4e0916f098a92573c3b03 composite

.github/workflows/compiled_python.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite

.github/workflows/coverage.yml actions

actions/checkout 3d3c42e5aac5ba805825da76410c181273ba90b1 composite
actions/deploy-pages cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 composite
actions/setup-python 5fda3b95a4ea91299a34e894583c3862153e4b97 composite
actions/upload-artifact 043fb46d1a93c77aae656e7c1c64a875d1fc6a0a composite
actions/upload-pages-artifact fc324d3547104276b827a68afc52ff2a11cc49c9 composite

pyproject.toml pypi

ecosyste.ms

Data

Tools

Indexes

Applications

Experiments

Summary