PyRank
HypothesisWorks

hypothesis

The property-based testing library for Python
PyPI GitHub
More links
Download Stats changelog documentation issues
Monthly downloads
54.0M
Weekly downloads
13.9M
GitHub stars
9.1K

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
6.170.0
Requires Python
>=3.10
Licence
MPL-2.0
Last Release
13 hr ago
First Release
March 10, 2013
Total Releases
1,572
Python Versions
3 3.10 3.11 3.12 3.13 3.14
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
83
Adoption
90
Community
70
Provenance
0
How the maintenance status was determined
Last commit
6 days ago
Monthly downloads
53,967,206
• 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
53,967,206
Stars
9,074
Stars per 1k downloads
0.17
• 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
1,983,917
Month daily avg
1,798,907
Momentum
+10.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
• Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MPL-2.0
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
0 days ago
Total releases
1,572
Releases/year
115.5
• 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
333
Monthly downloads
53,967,206
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
62
 
Issue Burden
4.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
48.5%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 1.3M
Windows 43.8K
macOS 30.3K

Python Versions

3.12
46.8% 598.3K
3.13
20.8% 266.3K
3.14
14.9% 191.0K
3.11
13.6% 173.8K
3.10
3.9% 50.1K

Top Countries

1. US US
1.2M
2. DE DE
34.9K
3. GB GB
23.2K
4. JP JP
16.2K
5. IN IN
13.9K
6. CA CA
13.0K
7. KR KR
12.4K
8. SG SG
11.9K
9. FR FR
11.0K
10. NL NL
10.7K

Weekly Downloads

GitHub Stars

Dependencies

2
35 optional dependencies
  • black>=20.8b0[cli]
    extra == "cli"
  • black>=20.8b0[ghostwriter]
    extra == "ghostwriter"
  • black>=20.8b0[all]
    extra == "all"
  • click>=7.0[cli]
    extra == "cli"
  • click>=7.0[all]
    extra == "all"
  • crosshair-tool>=0.0.111[all]
    extra == "all"
  • crosshair-tool>=0.0.111[crosshair]
    extra == "crosshair"
  • django>=5.2[django]
    extra == "django"
  • django>=5.2[all]
    extra == "all"
  • dpcontracts>=0.4[all]
    extra == "all"
  • dpcontracts>=0.4[dpcontracts]
    extra == "dpcontracts"
  • hypothesis-crosshair>=0.0.30[crosshair]
    extra == "crosshair"
  • hypothesis-crosshair>=0.0.30[all]
    extra == "all"
  • lark>=0.10.1[all]
    extra == "all"
  • lark>=0.10.1[lark]
    extra == "lark"
  • libcst>=0.3.16[all]
    extra == "all"
  • libcst>=0.3.16[codemods]
    extra == "codemods"
  • numpy>=1.21.6[all]
    extra == "all"
  • numpy>=1.21.6[numpy]
    extra == "numpy"
  • pandas>=1.1[all]
    extra == "all"
  • pandas>=1.1[pandas]
    extra == "pandas"
  • pytest>=4.6[all]
    extra == "all"
  • pytest>=4.6[pytest]
    extra == "pytest"
  • python-dateutil>=1.4[dateutil]
    extra == "dateutil"
  • python-dateutil>=1.4[all]
    extra == "all"
  • pytz>=2014.1[all]
    extra == "all"
  • pytz>=2014.1[pytz]
    extra == "pytz"
  • redis>=3.0.0[redis]
    extra == "redis"
  • redis>=3.0.0[all]
    extra == "all"
  • rich>=9.0.0[cli]
    extra == "cli"
  • rich>=9.0.0[all]
    extra == "all"
  • tzdata>=2026.5[all]
    (sys_platform == "emscripten" and extra == "all") or (sys_platform == "win32" and extra == "all")
  • tzdata>=2026.5[zoneinfo]
    (sys_platform == "emscripten" and extra == "zoneinfo") or (sys_platform == "win32" and extra == "zoneinfo")
  • watchdog>=4.0.0[all]
    extra == "all"
  • watchdog>=4.0.0[watchdog]
    extra == "watchdog"

Used By

290
View all 290 dependents

Repository details

Forks
687
Issues
36
Last Commit
1 week ago
Contributors
333
Open PRs
17
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
python testing fuzzing property-based-testing
Sources and methodology