PyRank
dynamicslab

hydrogym

An RL-Gym for Challenge Problems in Data-Driven Modeling and Control of Fluid Dynamics.
PyPI GitHub
More links
Download Stats Documentation issues
Monthly downloads
222
Weekly downloads
40
GitHub stars
542

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

Package Information

Latest Version
1.0.0
Requires Python
<4.0,>=3.10
Licence
MIT
Last Release
5 months ago
Author
HydroGym Team
First Release
December 25, 2022
Total Releases
4
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
50
Popularity
57
Adoption
23
Community
50
Provenance
0
How the maintenance status was determined
Last commit
52 days ago
Monthly downloads
222
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
222
Stars
542
Stars per 1k downloads
2441.44
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
Needs at least 1,000 monthly downloads to classify popularity.
How download momentum is calculated
Week daily avg
6
Month daily avg
7
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
<4.0,>=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
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
174 days ago
Total releases
4
Releases/year
1.1
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
14
Monthly downloads
222
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
64
 
Issue Burden
27.7
per 1k stars
Discussions
14.8
per 1k stars
Fork Ratio
18.2%
contrib / forks
Stale Release
122d
 
PR Velocity
Active
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 1

Python Versions

3.12
100.0% 1

Top Countries

1. DE DE
2
2. US US
2
3. CN CN
1

Weekly Downloads

GitHub Stars

Dependencies

6
21 optional dependencies
  • chex[jax]
    extra == "jax" or extra == "all"
  • einops<0.7.0,>=0.6.0[maia]
    extra == "maia" or extra == "all"
  • flax[jax]
    extra == "jax" or extra == "jaxfluids" or extra == "all"
  • gitpython[jaxfluids]
    extra == "jaxfluids" or extra == "all"
  • gmsh<5.0.0,>=4.11.1[firedrake]
    extra == "firedrake" or extra == "all"
  • gymnax[jax]
    extra == "jax" or extra == "all"
  • h5py[jaxfluids]
    extra == "jaxfluids" or extra == "all"
  • jax[jax]
    extra == "jax" or extra == "jaxfluids" or extra == "all"
  • jaxlib[jax]
    extra == "jax" or extra == "jaxfluids" or extra == "all"
  • mpi4py<5.0.0,>=4.0.0[maia]
    extra == "maia" or extra == "nek" or extra == "all"
  • navix[jax]
    extra == "jax" or extra == "all"
  • omegaconf<3.0.0,>=2.1.0[maia]
    extra == "maia" or extra == "nek" or extra == "jax" or extra == "all"
  • optax[jaxfluids]
    extra == "jaxfluids" or extra == "all"
  • pettingzoo<2.0.0,>=1.24.0[nek]
    extra == "nek" or extra == "all"
  • psutil<8.0.0,>=7.2.2[firedrake]
    extra == "firedrake" or extra == "all"
  • pymech<2.0.0,>=1.4.0[nek]
    extra == "nek" or extra == "all"
  • stable-baselines3<3.0.0,>=2.7.1[nek]
    extra == "nek" or extra == "all"
  • supersuit==3.10.0[nek]
    extra == "nek" or extra == "all"
  • tensorboard<3.0.0,>=2.0.0[nek]
    extra == "nek" or extra == "all"
  • toml<0.11.0,>=0.10.0[maia]
    extra == "maia" or extra == "jax" or extra == "all"
  • tree-math[jax]
    extra == "jax" or extra == "all"

Used By

0
Not used by any tracked packages

Repository details

Forks
77
Issues
15
Last Commit
1 month ago
Contributors
14
Open PRs
33
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
Reinforcement Learning Scientific Machine Learning Benchmarking Computational Fluid Dynamics
Sources and methodology