PyRank
davidhalter

parso

A Python Parser
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

parso has 149.8M monthly downloads and 676 GitHub stars. Version 0.8.7 supports Python 3.6+, first published in 2017.

It is stably maintained under a permissive license, last released in May 2026.

It is used by 281 tracked packages, including cosmic-ray, openrewrite and spyder.

Downloads
Day
3.9M
Week
29.7M
Month
149.8M
Stars
676
Forks
116
Issues
10
Version
0.8.7

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
60
Adoption
60
Community
50
Provenance
0
How the maintenance status was determined
Last commit
66 days ago
Monthly downloads
149,773,766
Active
Activity within 30 days
• Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
149,773,766
Stars
676
Stars per 1k downloads
0.00
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
4,249,328
Month daily avg
4,992,459
Momentum
-14.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.6
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
66 days ago
Total releases
30
Releases/year
3.3
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
48
Monthly downloads
149,773,766
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
52
 
Issue Burden
14.8
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
41.4%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 2.8M
Windows 71.0K
macOS 66.6K

Python Versions

3.11
32.2% 853.3K
3.10
29.0% 766.2K
3.12
19.1% 506.6K
3.13
14.8% 391.8K
3.14
4.9% 128.6K

Top Countries

1. US US
2.3M
2. IE IE
132.1K
3. GB GB
71.1K
4. SG SG
67.7K
5. DE DE
67.7K
6. NL NL
39.2K
7. IN IN
30.6K
8. JP JP
19.0K
9. CA CA
17.7K
10. KR KR
17.5K

Package Information

License
MIT
First Release
May 20, 2017
Last Release
2 months ago
Last Commit
2 months ago
Latest Version
0.8.7
Total Releases
30
Contributors
48
Open PRs
1
Archived
No
Author
David Halter
Python Versions
3 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Keywords
python parser parsing
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links