No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
schema has 27.6M monthly downloads and 3K GitHub stars. Version 0.7.8, first published in 2012.
It is actively maintained under a permissive license, last released in Oct 2025.
It is built on top of contextlib2. It is used by 363 tracked packages, including checkov, sagemaker-core and policy-sentry.
Package Insights
Package Risks
- No releases in 251 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
72
Adoption
70
Community
60
Provenance
0
How the maintenance status was determined
Last commit
16 days ago
Monthly downloads
27,583,577
•
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
27,583,577
Stars
2,945
Stars per 1k downloads
0.11
•
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
906,693
Month daily avg
919,453
Momentum
-1.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python 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
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
268 days ago
Total releases
28
Releases/year
2.0
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
69
Monthly downloads
27,583,577
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
59
Issue Burden
27.8
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
30.4%
contrib / forks
Stale Release
251d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
586.5K
Windows
7.3K
macOS
1.0K
Python Versions
3.7
45.4%
244.8K
3.9
24.4%
131.5K
3.12
12.9%
69.5K
3.10
9.8%
52.5K
3.11
7.5%
40.4K
Top Countries
1.
US
508.2K
US
2.
IE
15.5K
IE
3.
NL
14.1K
NL
4.
JP
8.7K
JP
5.
DE
7.8K
DE
6.
GB
4.7K
GB
7.
IN
4.1K
IN
8.
AE
3.8K
AE
9.
SG
3.7K
SG
10.
VN
3.0K
VN
Dependencies
1
- contextlib2 >=0.5.5
Used By
363
- checkov
- sagemaker-core
- policy-sentry
- cloudsplaining
- embedchain
- pulp-cli
- prowler
- bentoml
- tbump
- pytest-schema
- clarifai
- africastalking
- red-discordbot
- broadbean
- esp-idf-sbom
- qai-hub-models
- panther-analysis-tool
- nni
- griptape
- configcrunch
- sismic
- carbon-black-cloud-sdk
- vantage6-common
- python-config-parser
- prowler-cloud
- emodelrunner
- pcdsdevices
- experta
- ubiops
- icloudpd
- geonode
- bobbuildtool
- skelebot
- vantage6
- mostlyai
- dbt-platform-helper
- ibm-appconfiguration-python-sdk
- hpc-connect
- pocket-protector
- canary-wm
- intel-extension-for-transformers
- snaql
- opencos-eda
- vantage6-algorithm-store
- nodestream
- mkdocs-file-filter-plugin
- vantage6-server
- premise
- hyperparameter-tuning
- ampligraph
Package Information
License
MIT
First Release
August 22, 2012
Last Release
8 months ago
Last Commit
2 weeks ago
Latest Version
0.7.8
Total Releases
28
Contributors
69
Open PRs
25
Archived
No
Author
Vladimir Keleshev
Python Versions
3.6
3.7
3.8
3.9
3.10
3.11
Wheels
py2
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh