PyRank
Pylons

colander

A serialization/deserialization/validation library for strings, mappings and lists.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Downloads
Day
6.7K
Week
44.1K
Month
217.8K
Stars
463
Forks
145
Issues
34
Version
2.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
58
Adoption
53
Community
90
Provenance
0
How the maintenance status was determined
Last commit
703 days ago
Monthly downloads
217,770
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
217,770
Stars
463
Stars per 1k downloads
2.13
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
6,305
Month daily avg
7,259
Momentum
-13.1%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.7
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
BSD-derived (http://www.repoze.org/LICENSE.txt)
• 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
1281 days ago
Total releases
48
Releases/year
2.9
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
108
Monthly downloads
217,770
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
72
 
Issue Burden
73.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
74.5%
contrib / forks
Stale Release
577d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 3.5K
macOS 9
Windows 4

Python Versions

3.11
42.6% 1.4K
3.7
21.6% 705
3.13
16.7% 545
3.12
11.8% 385
3.10
7.3% 237

Top Countries

1. US US
2.2K
2. IE IE
661
3. SG SG
208
4. FI FI
159
5. CN CN
145
6. ID ID
92
7. GB GB
42
8. DE DE
37
9. BR BR
21
10. HK HK
13
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
BSD-derived (http://www.repoze.org/LICENSE.txt)
First Release
March 14, 2010
Last Release
3 years ago
Last Commit
1 year ago
Latest Version
2.0
Total Releases
48
Contributors
108
Open PRs
3
Archived
No
Author
Agendaless Consulting
Python Versions
3 3.7 3.8 3.9 3.10 3.11
Wheels
py2 py3
Keywords
serialize deserialize validate schema validation
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links