PyPI, #1399 most downloaded on PyPI

cel-python

Pure Python implementation of Google Common Expression Language

cloud-custodian/cel-python8.4M downloads/moNew releases in your daily digest, changelog included.

Latest stable

0.5.0

Last release 9 months ago
31 Jan 2026
Ships unpredictably
gaps range from 2 months to 3.6 years
Some releases are documented
notes for 4 of 10 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
10 releases · first in 2021

Releases on this page

Drag across the ruler to compare, or tap a release to open it.

0.5.031 Jan 2026
Fix case mismatch in behave step by @hudlow in https://github.com/cloud-custodian/cel-python/pull/129
What's Changed

Fix case mismatch in behave step by @hudlow in https://github.com/cloud-custodian/cel-python/pull/129

Allow google-re2 on 3.13 by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/127

Add contains method to BytesType by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/126

Remove re2 fallback to re behavior by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/130

Refactor conformance test case ingestion by @hudlow in https://github.com/cloud-custodian/cel-python/pull/131

Remove textproto/ directory by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/140

Add f-string to exception message by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/139

Fix comparisons of list/map to null by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/138

Handle conversions.bool by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/137

Fix truncation logic by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/136

Remove redundant cast and drop Python 3.9 support by @stefanvanburen in https://github.com/cloud-custodian/cel-python/pull/144

Fixes for error propagation by @hudlow in https://github.com/cloud-custodian/cel-python/pull/143

New Contributors

@hudlow made their first contribution in https://github.com/cloud-custodian/cel-python/pull/129

@stefanvanburen made their first contribution in https://github.com/cloud-custodian/cel-python/pull/127

Full Changelog: https://github.com/cloud-custodian/cel-python/compare/v0.4...v0.5
Open source →
0.4.0

Your coding agent can read these notes before it upgrades. Set up the MCP server →

Release timeline

10 releases since 2021

2021

Switch to UV for environment and dependency management by @slott56 in https://github.com/cloud-custodian/cel-python/pull/101

What's Changed

Switch to UV for environment and dependency management by @slott56 in https://github.com/cloud-custodian/cel-python/pull/101
Change logger names to have a common prefix of "celpy" by @slott56 in https://github.com/cloud-custodian/cel-python/pull/102
Upgrade library documentation @slott56 in https://github.com/cloud-custodian/cel-python/pull/103
Create missing .nojekyll by @slott56 in https://github.com/cloud-custodian/cel-python/pull/104
Add docs/build/html files by @slott56 in https://github.com/cloud-custodian/cel-python/pull/105
Reduce logging noise level by @slott56 in https://github.com/cloud-custodian/cel-python/pull/108
Add compiled execution by @slott56 in https://github.com/cloud-custodian/cel-python/pull/118
Make google-re2 a requirement, not an optional dependency by @slott56 in https://github.com/cloud-custodian/cel-python/pull/119
Extend the Integration document to cover the essential API by @slott56 in https://github.com/cloud-custodian/cel-python/pull/122

Full Changelog: https://github.com/cloud-custodian/cel-python/compare/v0.3...v0.4

Open source →

0.3.031 May 2025

releng - distribution name is cel-python, package is celpy by @kapilt in https://github.com/cloud-custodian/cel-python/pull/87

What's Changed

releng - distribution name is cel-python, package is celpy by @kapilt in https://github.com/cloud-custodian/cel-python/pull/87
Bump jinja2 from 3.1.5 to 3.1.6 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/89
Use re2 instead of re for match expressions by @ddn0 in https://github.com/cloud-custodian/cel-python/pull/67
Fix issue #28 by @slott56 in https://github.com/cloud-custodian/cel-python/pull/92
Fix issue #35 by @slott56 in https://github.com/cloud-custodian/cel-python/pull/93
Fix issue #48 by @slott56 in https://github.com/cloud-custodian/cel-python/pull/94
Correct Issue #41 and issue #75 by @slott56 in https://github.com/cloud-custodian/cel-python/pull/95
Add a test to show issue #42 seems to be resolved by @slott56 in https://github.com/cloud-custodian/cel-python/pull/96
Update for 0.3.0 release by @slott56 in https://github.com/cloud-custodian/cel-python/pull/97

New Contributors

@ddn0 made their first contribution in https://github.com/cloud-custodian/cel-python/pull/67

Full Changelog: https://github.com/cloud-custodian/cel-python/compare/v0.2...v0.3

Open source →

0.2.014 Feb 2025

Fix pip sdist install by @eandersson in https://github.com/cloud-custodian/cel-python/pull/37

What's Changed

Fix pip sdist install by @eandersson in https://github.com/cloud-custodian/cel-python/pull/37
Updated all logging to be lazy-loaded by @eandersson in https://github.com/cloud-custodian/cel-python/pull/36
Add py.typed marker file named to support type checking by @kirill-gr in https://github.com/cloud-custodian/cel-python/pull/40
Releng/fix CI and problems with type hints by @slott56 in https://github.com/cloud-custodian/cel-python/pull/60
Update badges in README by @simonw in https://github.com/cloud-custodian/cel-python/pull/49
Bump requests from 2.31.0 to 2.32.0 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/61
Bump google.golang.org/protobuf from 1.25.0 to 1.33.0 in /tools by @dependabot in https://github.com/cloud-custodian/cel-python/pull/57
releng - increment version to 0.2.0 by @kapilt in https://github.com/cloud-custodian/cel-python/pull/62
Fix issue 50 by @slott56 in https://github.com/cloud-custodian/cel-python/pull/63
Bump urllib3 from 2.2.1 to 2.2.2 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/69
Bump certifi from 2024.2.2 to 2024.7.4 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/70
Bump zipp from 3.18.2 to 3.19.1 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/71
Bump setuptools from 69.5.1 to 70.0.0 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/72
Remove Python 3.8 from Github Actions by @NolanTrem in https://github.com/cloud-custodian/cel-python/pull/84
Move from lark-parser to lark by @NolanTrem in https://github.com/cloud-custodian/cel-python/pull/82
Bump jinja2 from 3.1.4 to 3.1.5 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/86
Bump virtualenv from 20.26.2 to 20.26.6 by @dependabot in https://github.com/cloud-custodian/cel-python/pull/85

New Contributors

@eandersson made their first contribution in https://github.com/cloud-custodian/cel-python/pull/37
@kirill-gr made their first contribution in https://github.com/cloud-custodian/cel-python/pull/40
@simonw made their first contribution in https://github.com/cloud-custodian/cel-python/pull/49
@NolanTrem made their first contribution in https://github.com/cloud-custodian/cel-python/pull/84

Full Changelog: https://github.com/cloud-custodian/cel-python/commits/v0.2

Open source →

0.1.520 Jul 2021