PyFishPack

PyFishPack is a modernized Python-facing Fortran solver package derived from NCAR FISHPACK.

Project links:

Homepage: https://github.com/QianyeSu/PyFishPack
Repository: https://github.com/QianyeSu/PyFishPack
Bug Tracker: https://github.com/QianyeSu/PyFishPack/issues

Source layout

Modern Fortran .f90 sources live under PyFishPack/src.
Original F77 .f sources are kept as archive material under PyFishPack/src/archive/f77.
The backend uses modern Fortran bind(C) entry points plus a thin NumPy C API wrapper.

Build

Use the skyborn_dev conda environment with Meson and Ninja.

conda activate skyborn_dev
meson setup build
ninja -C build

Public APIs

PyFishPack exposes xinvert-style equation helpers from PyFishPack.apps, including:

invert_Poisson, invert_geostrophic, invert_PV2D, invert_Eliassen, invert_Fofonoff, invert_GillMatsuno, invert_GillMatsuno_test, invert_BrethertonHaidvogel, invert_Stommel, invert_StommelMunk, invert_Stommel_test, invert_StommelArons, invert_omega, invert_3DOcean, invert_RefState, invert_RefStateSWM, invert_MultiGrid.

The compiled fishpack backend also exposes direct solver and transform entry points for the modern Fortran kernels, including the genbun, poistg, pois3d, Helmholtz, SOR, and FFTPACK interfaces.

Verification

The current backend verification covers the exposed equation APIs, source-layout checks, a local xinvert benchmark, and backend import checks. The modern backend reports modern-fortran through fishpack.backend_info().

Metadata

Release files for PyFishPack 0.1.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for PyFishPack 0.1.0
File	Size	Uploaded
pyfishpack-0.1.0.tar.gz	320.9 kB	Jun 24, 2026	Details

Built distributions (wheels)

Table of built distributions (wheels) for PyFishPack 0.1.0
File	Interpreter	ABI	Platform	Reset
pyfishpack-0.1.0-cp313-cp313-win_amd64.whl 2.9 MB Jun 24, 2026	CPython 3.13	CPython 3.13	Windows x86-64	Details
pyfishpack-0.1.0-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 2.3 MB Jun 24, 2026	CPython 3.13	CPython 3.13	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
pyfishpack-0.1.0-cp313-cp313-macosx_15_0_x86_64.whl 2.7 MB Jun 24, 2026	CPython 3.13	CPython 3.13	macOS 15.0+ x86-64	Details
pyfishpack-0.1.0-cp313-cp313-macosx_15_0_arm64.whl 2.1 MB Jun 24, 2026	CPython 3.13	CPython 3.13	macOS 15.0+ ARM64	Details
pyfishpack-0.1.0-cp312-cp312-win_amd64.whl 2.9 MB Jun 24, 2026	CPython 3.12	CPython 3.12	Windows x86-64	Details
pyfishpack-0.1.0-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 2.3 MB Jun 24, 2026	CPython 3.12	CPython 3.12	Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64	Details
pyfishpack-0.1.0-cp312-cp312-macosx_15_0_x86_64.whl 2.7 MB Jun 24, 2026	CPython 3.12	CPython 3.12	macOS 15.0+ x86-64	Details
pyfishpack-0.1.0-cp312-cp312-macosx_15_0_arm64.whl 2.1 MB Jun 24, 2026	CPython 3.12	CPython 3.12	macOS 15.0+ ARM64	Details
pyfishpack-0.1.0-cp311-cp311-win_amd64.whl 2.9 MB Jun 24, 2026	CPython 3.11	CPython 3.11	Windows x86-64	Details
pyfishpack-0.1.0-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 2.3 MB Jun 24, 2026	CPython 3.11	CPython 3.11	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
pyfishpack-0.1.0-cp311-cp311-macosx_15_0_x86_64.whl 2.7 MB Jun 24, 2026	CPython 3.11	CPython 3.11	macOS 15.0+ x86-64	Details
pyfishpack-0.1.0-cp311-cp311-macosx_15_0_arm64.whl 2.1 MB Jun 24, 2026	CPython 3.11	CPython 3.11	macOS 15.0+ ARM64	Details
pyfishpack-0.1.0-cp310-cp310-win_amd64.whl 2.9 MB Jun 24, 2026	CPython 3.10	CPython 3.10	Windows x86-64	Details
pyfishpack-0.1.0-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 2.2 MB Jun 24, 2026	CPython 3.10	CPython 3.10	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
pyfishpack-0.1.0-cp310-cp310-macosx_15_0_x86_64.whl 2.7 MB Jun 24, 2026	CPython 3.10	CPython 3.10	macOS 15.0+ x86-64	Details
pyfishpack-0.1.0-cp310-cp310-macosx_15_0_arm64.whl 2.1 MB Jun 24, 2026	CPython 3.10	CPython 3.10	macOS 15.0+ ARM64	Details
pyfishpack-0.1.0-cp39-cp39-win_amd64.whl 2.9 MB Jun 24, 2026	CPython 3.9	CPython 3.9	Windows x86-64	Details
pyfishpack-0.1.0-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 2.2 MB Jun 24, 2026	CPython 3.9	CPython 3.9	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
pyfishpack-0.1.0-cp39-cp39-macosx_15_0_x86_64.whl 2.7 MB Jun 24, 2026	CPython 3.9	CPython 3.9	macOS 15.0+ x86-64	Details
pyfishpack-0.1.0-cp39-cp39-macosx_15_0_arm64.whl 2.1 MB Jun 24, 2026	CPython 3.9	CPython 3.9	macOS 15.0+ ARM64	Details

Total release size: 50.0 MB

Release files / pyfishpack-0.1.0.tar.gz

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Release files / pyfishpack-0.1.0-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

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0.1.0 This release

Jun 24, 2026 21 release files

PyFishPack 0.1.0