PyRank
Kronuz

esprima

ECMAScript parsing infrastructure for multipurpose analysis
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Downloads
Day
12.6K
Week
90.3K
Month
393.4K
Stars
267
Forks
47
Issues
0
Version
4.0.1

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
30
Popularity
50
Adoption
65
Community
35
Provenance
0
How the maintenance status was determined
Last commit
1622 days ago
Monthly downloads
393,431
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
393,431
Stars
267
Stars per 1k downloads
0.68
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
12,895
Month daily avg
13,114
Momentum
-1.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
BSD License
• 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
2873 days ago
Total releases
14
Releases/year
1.6
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
7
Monthly downloads
393,431
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
51
 
Issue Burden
0.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
14.9%
contrib / forks
Stale Release
1250d
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 5.9K
Windows 473
macOS 214

Python Versions

3.11
34.0% 2.1K
3.12
27.9% 1.7K
3.14
17.7% 1.1K
3.10
11.2% 683
3.13
9.2% 559

Top Countries

1. US US
5.2K
2. GB GB
178
3. DE DE
166
4. SG SG
138
5. NL NL
122
6. IE IE
110
7. CN CN
75
8. HK HK
68
9. AU AU
65
10. FR FR
59
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
BSD License
First Release
July 15, 2017
Last Release
7 years ago
Last Commit
4 years ago
Latest Version
4.0.1
Total Releases
14
Contributors
7
Open PRs
7
Archived
No
Author
German M. Bravo (Kronuz)
Python Versions
2 2.7 3 3.3 3.4 3.5 3.6
Keywords
esprima ecmascript javascript parser ast
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links