ENH: `meson` backend for `f2py` #24532

HaoZeke · 2023-08-25T04:12:47Z

This distills and extends #22225 where @NamamiShanker completed the design and implementation of the CLI refactor and backend work as his GSoC project last year.

This uses the f2py2e CLI instead of the f2pyarg CLI.

Closes #24444. Closes #22910. Closes #21484. Closes #20240.
Actually pretty much closes out every np.distutils issue.
Part of #23981. Should be good to go for 1.26.

It is very minimal, and warnings have been added. That said this:

Adds an abstract backend
Shoehorns Distutils into said backend
Adds a meson builder (optional) backend

Usage, for the standard documentation example of:

C FILE: FIB1.F
      SUBROUTINE FIB(A,N)
C
C     CALCULATE FIRST N FIBONACCI NUMBERS
C
      INTEGER N
      REAL*8 A(N)
      DO I=1,N
         IF (I.EQ.1) THEN
            A(I) = 0.0D0
         ELSEIF (I.EQ.2) THEN
            A(I) = 1.0D0
         ELSE
            A(I) = A(I-1) + A(I-2)
         ENDIF
      ENDDO
      END
C END FILE FIB1.F

Which has been tested with:

# Meson, will only generate the .so file
python -m numpy.f2py -c --f90flags='-O3' -m fib fib.f --backend meson
# Meson, will generate the .so, leave a build directory
python -m numpy.f2py -c --f90flags='-O3' -m fib fib.f --backend meson --build-dir blah
# Test it
python -c "import numpy as np; import fib as fibby; a = np.zeros(9); fibby.fib(a); print (a)"

Also tested with a corresponding .pyf:

python module fib2 ! in 
    interface  ! in :fib2
        subroutine fib(a,n) ! in :fib2:fib.f
            real*8 dimension(n) :: a
            integer, optional,check(shape(a, 0) == n),depend(a) :: n=shape(a, 0)
        end subroutine fib
    end interface 
end python module fib2

Which works as expected:

python -m numpy.f2py -c --f90flags='-O3' fib1.pyf fib.f --debug --backend meson
python -c "import numpy as np; import fib2 as fibby; a = np.zeros(9); fibby.fib(a); print (a)"
[ 0.  1.  1.  2.  3.  5.  8. 13. 21.]

There's also a new --dep flag which can be passed (multiple times if necessary) to use f2py for more than trivial use cases:

f2py -c --backend meson GaussJacobiQuadCCPy.pyf ../src/gjp_lapack.f90 - -dep lapack

Which makes it IMO much easier to use than the older backend.

The default backend is distutils on Python versions '<3.12.0' (though it will emit a warning).

Required

Do not merge until these are finished!!!

Works with .f and .f90
Works with .pyf
Testsuite passes (see next section)

`python-3.12` Support

Personally I use pyenv:

pyenv install 3.12.0rc1
eval "$(pyenv init -)"
pyenv global 3.12.0rc1
pip install -r build_requirements.txt
pip install -r test_requirements.txt
spin run $SHELL # manual tests
spin test -t numpy.f2py -m full

The tests pass manually (see exceptions below), some changes are needed there to be more flexible. For now, this patch can be used:

diff --git i/numpy/f2py/f2py2e.py w/numpy/f2py/f2py2e.py
index 6b63a6c6b..fad5db12f 100755
--- i/numpy/f2py/f2py2e.py
+++ w/numpy/f2py/f2py2e.py
@@ -597,7 +597,7 @@ def run_compile():
         backend_key = sys.argv.pop(backend_index + 1)
         sys.argv.pop(backend_index)
     else:
-        backend_key = 'distutils'
+        backend_key = 'meson'
     build_backend = f2py_build_generator(backend_key)
 
     modulename = 'untitled'
diff --git i/numpy/f2py/tests/util.py w/numpy/f2py/tests/util.py
index 75b257cdb..abb281d7b 100644
--- i/numpy/f2py/tests/util.py
+++ w/numpy/f2py/tests/util.py
@@ -370,10 +370,6 @@ def setup_method(self):
         if self.module is not None:
             return
 
-        # Check compiler availability first
-        if not has_c_compiler():
-            pytest.skip("No C compiler available")
-
         codes = []
         if self.sources:
             codes.extend(self.sources)
@@ -390,12 +386,6 @@ def setup_method(self):
                 needs_f90 = True
             elif str(fn).endswith(".pyf"):
                 needs_pyf = True
-        if needs_f77 and not has_f77_compiler():
-            pytest.skip("No Fortran 77 compiler available")
-        if needs_f90 and not has_f90_compiler():
-            pytest.skip("No Fortran 90 compiler available")
-        if needs_pyf and not (has_f90_compiler() or has_f77_compiler()):
-            pytest.skip("No Fortran compiler available")
 
         # Build the module
         if self.code is not None:

Exceptions

test_array_from_pyobj will be skipped for now since it uses a bunch of distutils helper functions
TestCReturnReal fails for now, though manual testing of the code works, has to do with the way modules are built for testing

Manual `CReturnReal` setup

Consider:

python module c_ext_return_real
usercode '''
float t4(float value) { return value; }
void s4(float *t4, float value) { *t4 = value; }
double t8(double value) { return value; }
void s8(double *t8, double value) { *t8 = value; }
'''
interface
  function t4(value)
    real*4 intent(c) :: t4,value
  end
  function t8(value)
    real*8 intent(c) :: t8,value
  end
  subroutine s4(t4,value)
    intent(c) s4
    real*4 intent(out) :: t4
    real*4 intent(c) :: value
  end
  subroutine s8(t8,value)
    intent(c) s8
    real*8 intent(out) :: t8
    real*8 intent(c) :: value
  end
end interface
end python module c_ext_return_real

Which is just the test-case extracted into a file. This does have the attributes tested:

python -m numpy.f2py -c c_ext_return_real.pyf --backend meson
python -c "import c_ext_return_real as cextrr; print(dir(cextrr)[9:])"

It should run in the test suite once the utilities there have been reworked to use the abstract Backend class instead.

Post PR

High Priority

The helpers for the f2py test suite are still very distutils specific, and need to be updated to use the Backend class.

Medium Priority

Update the User Guide with examples, pedagogical explanations, pithy comments, etc.

Lower Priority

This ignores every -c flag except build-dir and warns the user to use the skeleton meson.build as a baseline to which should be edited. In any case though the -c flags need to be rethought for meson and there's already been excellent work in that direction last year (#22225). Later, when the f2pyarg work lands, or otherwise, this can be extended.

HaoZeke · 2023-08-25T17:04:45Z

@rgommers, @mattip, @charris (everyone else), I think this should be good to go in as is, it encapsulates the main user-facing features and works on 3.12. The changes to the testsuite (in order to use Backend) should be in a followup, to prevent scope creep and make things easier to review. If there's a very strong reason to have the testsuite changes in this PR I could add them, otherwise I'd prefer to do it in a follow up later. Similar considerations apply to changing the user documentation.

rgommers · 2023-08-25T17:21:18Z

Great to hear that! I'll try to review within the next couple of days.

rgommers

Thanks @HaoZeke! Looks good overall. I did a first review and noted things that stood out to me. I haven't done actual testing yet.

doc/release/upcoming_changes/24532.new_feature.rst

numpy/f2py/_backends/_distutils.py

numpy/f2py/_backends/_meson.py

numpy/f2py/_backends/src/meson.build.src

numpy/f2py/f2py2e.py

Using the newer syntax defined here: numpy/numpy#24532

charris · 2023-09-02T17:13:45Z

Needs rebase.

Co-authored-by: NamamiShanker <[email protected]>

Defaults to distutils for now

Co-authored-by: rgommers <[email protected]>

Also shows how incremental updates to the parser can be done.

Should address numpy#22225 (comment)

HaoZeke · 2023-09-02T18:39:46Z

Needs rebase.

yup, done :)

rgommers

This looks good as far as I can tell from a line-by-line review and some initial testing with both small Fortran files and with SciPy (for regression purposes, it does not use f2py -c).

There is one issue in the meson.build config that I commented on, will push a fix for that. Then, once CI comes back green, I think this can be squash-merged and backported to 1.26.x.

numpy/meson.build

numpy/f2py/meson.build

rgommers · 2023-09-05T15:34:45Z

numpy/f2py/_backends/meson.build.template

@@ -0,0 +1,42 @@
+project('${modulename}',


The formatting in this file is a little off - may be worth fixing in a next PR. Normal indentation is 2 or 4 spaces for function calls like project(...) or py.extension_module(...).

rgommers · 2023-09-05T15:51:19Z

I did some testing with setup.py / runtests.py as well, because CI coverage for that is almost non-existent at this point. That may be a bit thin, but it also may not matter anymore - if it breaks we can figure out what to do with it.

* FIX: Import f2py2e rather than f2py for run_main * FIX: Import f2py2e instead of f2py * ENH: Add F2PY back-end work from numpygh-22225 Co-authored-by: NamamiShanker <[email protected]> * ENH: Add meson skeleton from numpygh-2225 Co-authored-by: NamamiShanker <[email protected]> * MAINT: Trim backend.py down to f2py2e flags * ENH: Add a factory function for backends * ENH: Add a distutils backend * ENH: Handle --backends in f2py Defaults to distutils for now * DOC: Add some minor comments in f2py2e * MAINT: Refactor and rework meson.build.src * MAINT: Add objects * MAINT: Cleanup distutils backend * MAINT: Refactor to add everything back to backend Necessary for the meson.build for now. Refactors / cleanup needs better argument handling in f2py2e * MAINT: Fix overly long line * BUG: Construct wrappers for meson backend * MAINT: Rework, simplify template massively * ENH: Truncate meson.build to skeleton only * MAINT: Minor backend housekeeping, name changes * MAINT: Less absolute paths, update setup.py [f2py] * MAINT: Move f2py module name functionality Previously part of np.distutils * ENH: Handle .pyf files * TST: Fix typo in isoFortranEnvMap.f90 * MAINT: Typo in f2py2e support for pyf files * DOC: Add release note for --backend * MAINT: Conditional switch for Python 3.12 [f2py] * MAINT: No absolute paths in backend [f2py-meson] The files are copied over anyway, this makes it easier to extend the generated skeleton * MAINT: Prettier generated meson.build files [f2py] * ENH: Add meson's dependency(blah) to f2py * DOC: Document the new flag * MAINT: Simplify and rename backend template [f2py] Co-authored-by: rgommers <[email protected]> * ENH: Support build_type via --debug [f2py-meson] * MAINT,DOC: Reduce warn,rework doc [f2py-meson] Co-authored-by: rgommers <[email protected]> * ENH: Rework deps: to --dep calls [f2py-meson] Also shows how incremental updates to the parser can be done. * MAINT,DOC: Add --backend to argparse, add docs * MAINT: Rename meson template [f2py-meson] * MAINT: Add meson.build for f2py Should address numpy#22225 (comment) * BLD: remove duplicate f2py handling in meson.build files --------- Co-authored-by: Namami Shanker <[email protected]> Co-authored-by: NamamiShanker <[email protected]> Co-authored-by: rgommers <[email protected]> Co-authored-by: Ralf Gommers <[email protected]>

charris · 2023-09-05T16:58:42Z

Thanks Rohit and Ralf.

rgommers · 2023-09-05T17:10:57Z

Great to get this in - nice work @HaoZeke and @NamamiShanker!

* FIX: Import f2py2e rather than f2py for run_main * FIX: Import f2py2e instead of f2py * ENH: Add F2PY back-end work from numpygh-22225 Co-authored-by: NamamiShanker <[email protected]> * ENH: Add meson skeleton from numpygh-2225 Co-authored-by: NamamiShanker <[email protected]> * MAINT: Trim backend.py down to f2py2e flags * ENH: Add a factory function for backends * ENH: Add a distutils backend * ENH: Handle --backends in f2py Defaults to distutils for now * DOC: Add some minor comments in f2py2e * MAINT: Refactor and rework meson.build.src * MAINT: Add objects * MAINT: Cleanup distutils backend * MAINT: Refactor to add everything back to backend Necessary for the meson.build for now. Refactors / cleanup needs better argument handling in f2py2e * MAINT: Fix overly long line * BUG: Construct wrappers for meson backend * MAINT: Rework, simplify template massively * ENH: Truncate meson.build to skeleton only * MAINT: Minor backend housekeeping, name changes * MAINT: Less absolute paths, update setup.py [f2py] * MAINT: Move f2py module name functionality Previously part of np.distutils * ENH: Handle .pyf files * TST: Fix typo in isoFortranEnvMap.f90 * MAINT: Typo in f2py2e support for pyf files * DOC: Add release note for --backend * MAINT: Conditional switch for Python 3.12 [f2py] * MAINT: No absolute paths in backend [f2py-meson] The files are copied over anyway, this makes it easier to extend the generated skeleton * MAINT: Prettier generated meson.build files [f2py] * ENH: Add meson's dependency(blah) to f2py * DOC: Document the new flag * MAINT: Simplify and rename backend template [f2py] Co-authored-by: rgommers <[email protected]> * ENH: Support build_type via --debug [f2py-meson] * MAINT,DOC: Reduce warn,rework doc [f2py-meson] Co-authored-by: rgommers <[email protected]> * ENH: Rework deps: to --dep calls [f2py-meson] Also shows how incremental updates to the parser can be done. * MAINT,DOC: Add --backend to argparse, add docs * MAINT: Rename meson template [f2py-meson] * MAINT: Add meson.build for f2py Should address numpy#22225 (comment) * BLD: remove duplicate f2py handling in meson.build files --------- Co-authored-by: Namami Shanker <[email protected]> Co-authored-by: NamamiShanker <[email protected]> Co-authored-by: rgommers <[email protected]> Co-authored-by: Ralf Gommers <[email protected]>

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [numpy](https://numpy.org) ([source](https://github.com/numpy/numpy)) | minor | `==1.25.1` -> `==1.26.0` | --- ### Release Notes <details> <summary>numpy/numpy (numpy)</summary> ### [`v1.26.0`](https://github.com/numpy/numpy/releases/tag/v1.26.0) [Compare Source](numpy/numpy@v1.25.2...v1.26.0) ### NumPy 1.26.0 Release Notes The NumPy 1.26.0 release is a continuation of the 1.25.x release cycle with the addition of Python 3.12.0 support. Python 3.12 dropped distutils, consequently supporting it required finding a replacement for the setup.py/distutils based build system NumPy was using. We have chosen to use the Meson build system instead, and this is the first NumPy release supporting it. This is also the first release that supports Cython 3.0 in addition to retaining 0.29.X compatibility. Supporting those two upgrades was a large project, over 100 files have been touched in this release. The changelog doesn't capture the full extent of the work, special thanks to Ralf Gommers, Sayed Adel, Stéfan van der Walt, and Matti Picus who did much of the work in the main development branch. The highlights of this release are: - Python 3.12.0 support. - Cython 3.0.0 compatibility. - Use of the Meson build system - Updated SIMD support - f2py fixes, meson and bind(x) support - Support for the updated Accelerate BLAS/LAPACK library The Python versions supported in this release are 3.9-3.12. #### New Features ##### Array API v2022.12 support in `numpy.array_api` `numpy.array_api` now full supports the [v2022.12 version](https://data-apis.org/array-api/2022.12) of the array API standard. Note that this does not yet include the optional `fft` extension in the standard. ([gh-23789](numpy/numpy#23789)) ##### Support for the updated Accelerate BLAS/LAPACK library Support for the updated Accelerate BLAS/LAPACK library, including ILP64 (64-bit integer) support, in macOS 13.3 has been added. This brings arm64 support, and significant performance improvements of up to 10x for commonly used linear algebra operations. When Accelerate is selected at build time, the 13.3+ version will automatically be used if available. ([gh-24053](numpy/numpy#24053)) ##### `meson` backend for `f2py` `f2py` in compile mode (i.e. `f2py -c`) now accepts the `--backend meson` option. This is the default option for Python `3.12` on-wards. Older versions will still default to `--backend distutils`. To support this in realistic use-cases, in compile mode `f2py` takes a `--dep` flag one or many times which maps to `dependency()` calls in the `meson` backend, and does nothing in the `distutils` backend. There are no changes for users of `f2py` only as a code generator, i.e. without `-c`. ([gh-24532](numpy/numpy#24532)) ##### `bind(c)` support for `f2py` Both functions and subroutines can be annotated with `bind(c)`. `f2py` will handle both the correct type mapping, and preserve the unique label for other `C` interfaces. **Note:** `bind(c, name = 'routine_name_other_than_fortran_routine')` is not honored by the `f2py` bindings by design, since `bind(c)` with the `name` is meant to guarantee only the same name in `C` and `Fortran`, not in `Python` and `Fortran`. ([gh-24555](numpy/numpy#24555)) #### Improvements ##### `iso_c_binding` support for `f2py` Previously, users would have to define their own custom `f2cmap` file to use type mappings defined by the Fortran2003 `iso_c_binding` intrinsic module. These type maps are now natively supported by `f2py` ([gh-24555](numpy/numpy#24555)) #### Build system changes In this release, NumPy has switched to Meson as the build system and meson-python as the build backend. Installing NumPy or building a wheel can be done with standard tools like `pip` and `pypa/build`. The following are supported: - Regular installs: `pip install numpy` or (in a cloned repo) `pip install .` - Building a wheel: `python -m build` (preferred), or `pip wheel .` - Editable installs: `pip install -e . --no-build-isolation` - Development builds through the custom CLI implemented with [spin](https://github.com/scientific-python/spin): `spin build`. All the regular `pip` and `pypa/build` flags (e.g., `--no-build-isolation`) should work as expected. ##### NumPy-specific build customization Many of the NumPy-specific ways of customizing builds have changed. The `NPY_*` environment variables which control BLAS/LAPACK, SIMD, threading, and other such options are no longer supported, nor is a `site.cfg` file to select BLAS and LAPACK. Instead, there are command-line flags that can be passed to the build via `pip`/`build`'s config-settings interface. These flags are all listed in the `meson_options.txt` file in the root of the repo. Detailed documented will be available before the final 1.26.0 release; for now please see [the SciPy "building from source" docs](http://scipy.github.io/devdocs/building/index.html) since most build customization works in an almost identical way in SciPy as it does in NumPy. ##### Build dependencies While the runtime dependencies of NumPy have not changed, the build dependencies have. Because we temporarily vendor Meson and meson-python, there are several new dependencies - please see the `[build-system]` section of `pyproject.toml` for details. ##### Troubleshooting This build system change is quite large. In case of unexpected issues, it is still possible to use a `setup.py`-based build as a temporary workaround (on Python 3.9-3.11, not 3.12), by copying `pyproject.toml.setuppy` to `pyproject.toml`. However, please open an issue with details on the NumPy issue tracker. We aim to phase out `setup.py` builds as soon as possible, and therefore would like to see all potential blockers surfaced early on in the 1.26.0 release cycle. #### Contributors A total of 20 people contributed to this release. People with a "+" by their names contributed a patch for the first time. - [@DWesl](https://github.com/DWesl) - Albert Steppi + - Bas van Beek - Charles Harris - Developer-Ecosystem-Engineering - Filipe Laíns + - Jake Vanderplas - Liang Yan + - Marten van Kerkwijk - Matti Picus - Melissa Weber Mendonça - Namami Shanker - Nathan Goldbaum - Ralf Gommers - Rohit Goswami - Sayed Adel - Sebastian Berg - Stefan van der Walt - Tyler Reddy - Warren Weckesser #### Pull requests merged A total of 59 pull requests were merged for this release. - [#24305](numpy/numpy#24305): MAINT: Prepare 1.26.x branch for development - [#24308](numpy/numpy#24308): MAINT: Massive update of files from main for numpy 1.26 - [#24322](numpy/numpy#24322): CI: fix wheel builds on the 1.26.x branch - [#24326](numpy/numpy#24326): BLD: update openblas to newer version - [#24327](numpy/numpy#24327): TYP: Trim down the `_NestedSequence.__getitem__` signature - [#24328](numpy/numpy#24328): BUG: fix choose refcount leak - [#24337](numpy/numpy#24337): TST: fix running the test suite in builds without BLAS/LAPACK - [#24338](numpy/numpy#24338): BUG: random: Fix generation of nan by dirichlet. - [#24340](numpy/numpy#24340): MAINT: Dependabot updates from main - [#24342](numpy/numpy#24342): MAINT: Add back NPY_RUN_MYPY_IN_TESTSUITE=1 - [#24353](numpy/numpy#24353): MAINT: Update `extbuild.py` from main. - [#24356](numpy/numpy#24356): TST: fix distutils tests for deprecations in recent setuptools... - [#24375](numpy/numpy#24375): MAINT: Update cibuildwheel to version 2.15.0 - [#24381](numpy/numpy#24381): MAINT: Fix codespaces setup.sh script - [#24403](numpy/numpy#24403): ENH: Vendor meson for multi-target build support - [#24404](numpy/numpy#24404): BLD: vendor meson-python to make the Windows builds with SIMD... - [#24405](numpy/numpy#24405): BLD, SIMD: The meson CPU dispatcher implementation - [#24406](numpy/numpy#24406): MAINT: Remove versioneer - [#24409](numpy/numpy#24409): REL: Prepare for the NumPy 1.26.0b1 release. - [#24453](numpy/numpy#24453): MAINT: Pin upper version of sphinx. - [#24455](numpy/numpy#24455): ENH: Add prefix to \_ALIGN Macro - [#24456](numpy/numpy#24456): BUG: cleanup warnings - [#24460](numpy/numpy#24460): MAINT: Upgrade to spin 0.5 - [#24495](numpy/numpy#24495): BUG: `asv dev` has been removed, use `asv run`. - [#24496](numpy/numpy#24496): BUG: Fix meson build failure due to unchanged inplace auto-generated... - [#24521](numpy/numpy#24521): BUG: fix issue with git-version script, needs a shebang to run - [#24522](numpy/numpy#24522): BUG: Use a default assignment for git_hash - [#24524](numpy/numpy#24524): BUG: fix NPY_cast_info error handling in choose - [#24526](numpy/numpy#24526): BUG: Fix common block handling in f2py - [#24541](numpy/numpy#24541): CI,TYP: Bump mypy to 1.4.1 - [#24542](numpy/numpy#24542): BUG: Fix assumed length f2py regression - [#24544](numpy/numpy#24544): MAINT: Harmonize fortranobject - [#24545](numpy/numpy#24545): TYP: add kind argument to numpy.isin type specification - [#24561](numpy/numpy#24561): BUG: fix comparisons between masked and unmasked structured arrays - [#24590](numpy/numpy#24590): CI: Exclude import libraries from list of DLLs on Cygwin. - [#24591](numpy/numpy#24591): BLD: fix `_umath_linalg` dependencies - [#24594](numpy/numpy#24594): MAINT: Stop testing on ppc64le. - [#24602](numpy/numpy#24602): BLD: meson-cpu: fix SIMD support on platforms with no features - [#24606](numpy/numpy#24606): BUG: Change Cython `binding` directive to "False". - [#24613](numpy/numpy#24613): ENH: Adopt new macOS Accelerate BLAS/LAPACK Interfaces, including... - [#24614](numpy/numpy#24614): DOC: Update building docs to use Meson - [#24615](numpy/numpy#24615): TYP: Add the missing `casting` keyword to `np.clip` - [#24616](numpy/numpy#24616): TST: convert cython test from setup.py to meson - [#24617](numpy/numpy#24617): MAINT: Fixup `fromnumeric.pyi` - [#24622](numpy/numpy#24622): BUG, ENH: Fix `iso_c_binding` type maps and fix `bind(c)`... - [#24629](numpy/numpy#24629): TYP: Allow `binary_repr` to accept any object implementing... - [#24630](numpy/numpy#24630): TYP: Explicitly declare `dtype` and `generic` hashable - [#24637](numpy/numpy#24637): ENH: Refactor the typing "reveal" tests using `typing.assert_type` - [#24638](numpy/numpy#24638): MAINT: Bump actions/checkout from 3.6.0 to 4.0.0 - [#24647](numpy/numpy#24647): ENH: `meson` backend for `f2py` - [#24648](numpy/numpy#24648): MAINT: Refactor partial load Workaround for Clang - [#24653](numpy/numpy#24653): REL: Prepare for the NumPy 1.26.0rc1 release. - [#24659](numpy/numpy#24659): BLD: allow specifying the long double format to avoid the runtime... - [#24665](numpy/numpy#24665): BLD: fix bug in random.mtrand extension, don't link libnpyrandom - [#24675](numpy/numpy#24675): BLD: build wheels for 32-bit Python on Windows, using MSVC - [#24700](numpy/numpy#24700): BLD: fix issue with compiler selection during cross compilation - [#24701](numpy/numpy#24701): BUG: Fix data stmt handling for complex values in f2py - [#24707](numpy/numpy#24707): TYP: Add annotations for the py3.12 buffer protocol - [#24718](numpy/numpy#24718): DOC: fix a few doc build issues on 1.26.x and update `spin docs`... #### Checksums ##### MD5 052d84a2aaad4d5a455b64f5ff3f160b numpy-1.26.0-cp310-cp310-macosx_10_9_x86_64.whl 874567083be194080e97bea39ea7befd numpy-1.26.0-cp310-cp310-macosx_11_0_arm64.whl 1a5fa023e05e050b95549d355890fbb6 numpy-1.26.0-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 2af03fbadd96360b26b993975709d072 numpy-1.26.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl 32717dd51a915e9aee4dcca72acb00d0 numpy-1.26.0-cp310-cp310-musllinux_1_1_x86_64.whl 3f101e51b3b5f8c3f01256da645a1962 numpy-1.26.0-cp310-cp310-win32.whl d523a40f0a5f5ba94f09679adbabf825 numpy-1.26.0-cp310-cp310-win_amd64.whl 6115698fdf5fb8cf895540a57d12bfb9 numpy-1.26.0-cp311-cp311-macosx_10_9_x86_64.whl 207603ee822d8af4542f239b8c0a7a67 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a maintenance release that fixes bugs and regressions discovered after the 1.25.1 release. This is the last planned release in the 1.25.x series, the next release will be 1.26.0, which will use the meson build system and support Python 3.12. The Python versions supported by this release are 3.9-3.11. #### Contributors A total of 13 people contributed to this release. People with a "+" by their names contributed a patch for the first time. - Aaron Meurer - Andrew Nelson - Charles Harris - Kevin Sheppard - Matti Picus - Nathan Goldbaum - Peter Hawkins - Ralf Gommers - Randy Eckenrode + - Sam James + - Sebastian Berg - Tyler Reddy - dependabot\[bot] #### Pull requests merged A total of 19 pull requests were merged for this release. - [#24148](numpy/numpy#24148): MAINT: prepare 1.25.x for further development - [#24174](numpy/numpy#24174): ENH: Improve clang-cl compliance - [#24179](numpy/numpy#24179): MAINT: Upgrade various build dependencies. - [#24182](numpy/numpy#24182): BLD: use `-ftrapping-math` with Clang on macOS - [#24183](numpy/numpy#24183): BUG: properly handle negative indexes in ufunc_at fast path - [#24184](numpy/numpy#24184): BUG: PyObject_IsTrue and PyObject_Not error handling in setflags - [#24185](numpy/numpy#24185): BUG: histogram small range robust - [#24186](numpy/numpy#24186): MAINT: Update meson.build files from main branch - [#24234](numpy/numpy#24234): MAINT: exclude min, max and round from `np.__all__` - [#24241](numpy/numpy#24241): MAINT: Dependabot updates - [#24242](numpy/numpy#24242): BUG: Fix the signature for np.array_api.take - [#24243](numpy/numpy#24243): BLD: update OpenBLAS to an intermeidate commit - [#24244](numpy/numpy#24244): BUG: Fix reference count leak in str(scalar). - [#24245](numpy/numpy#24245): BUG: fix invalid function pointer conversion error - [#24255](numpy/numpy#24255): BUG: Factor out slow `getenv` call used for memory policy warning - [#24292](numpy/numpy#24292): CI: correct URL in cirrus.star - [#24293](numpy/numpy#24293): BUG: Fix C types in scalartypes - [#24294](numpy/numpy#24294): BUG: do not modify the input to ufunc_at - [#24295](numpy/numpy#24295): BUG: Further fixes to indexing loop and added tests #### Checksums ##### MD5 33518ccb4da8ee11f1dee4b9fef1e468 numpy-1.25.2-cp310-cp310-macosx_10_9_x86_64.whl b5cb0c3b33ef6d93ec2888f25b065636 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Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).  Reviewed-on: https://git.apud.pl/jacek/adventofcode/pulls/30 Co-authored-by: Renovate <[email protected]> Co-committed-by: Renovate <[email protected]>

github-actions bot added the 01 - Enhancement label Aug 25, 2023

HaoZeke added the component: numpy.f2py label Aug 25, 2023

HaoZeke requested a review from mattip August 25, 2023 04:13

HaoZeke force-pushed the f2pyBackends branch from c261328 to be0375f Compare August 25, 2023 04:19

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ENH: Meson build system support for F2PY's f2py -c command #22225

Closed

HaoZeke force-pushed the f2pyBackends branch 2 times, most recently from 6f66f4a to beaf8db Compare August 25, 2023 04:57

charris changed the title ~~ENH: meson backend for f2py~~ ENH: meson backend for f2py Aug 25, 2023

HaoZeke requested review from melissawm and pearu August 25, 2023 16:19

charris added the 09 - Backport-Candidate PRs tagged should be backported label Aug 25, 2023

charris added this to the 1.26.0 release milestone Aug 25, 2023

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HaoZeke requested a review from rgommers August 26, 2023 11:22

HaoZeke added a commit to HaoZeke/GaussJacobiQuad that referenced this pull request Aug 26, 2023

DOC: Rework as per numpy 1.26.0 release

23f6e9b

Using the newer syntax defined here: numpy/numpy#24532

HaoZeke mentioned this pull request Aug 26, 2023

ENH: distutils - add add options for "skip:" and "only:" to be passed to f2py #22508

Closed

HaoZeke force-pushed the f2pyBackends branch 2 times, most recently from c5eda47 to 81fd728 Compare August 29, 2023 12:47

NamamiShanker and others added 9 commits September 2, 2023 17:30

FIX: Import f2py2e rather than f2py for run_main

fe49281

FIX: Import f2py2e instead of f2py

6b1475e

ENH: Add F2PY back-end work from numpygh-22225

91f3825

Co-authored-by: NamamiShanker <[email protected]>

ENH: Add meson skeleton from numpygh-2225

a0b01c3

Co-authored-by: NamamiShanker <[email protected]>

MAINT: Trim backend.py down to f2py2e flags

384aa96

ENH: Add a factory function for backends

26b224f

ENH: Add a distutils backend

3a5c43d

ENH: Handle --backends in f2py

d03d28d

Defaults to distutils for now

DOC: Add some minor comments in f2py2e

1d279bc

HaoZeke and others added 6 commits September 2, 2023 17:31

ENH: Support build_type via --debug [f2py-meson]

fa06f8d

MAINT,DOC: Reduce warn,rework doc [f2py-meson]

8841647

Co-authored-by: rgommers <[email protected]>

ENH: Rework deps: to --dep calls [f2py-meson]

8f214a0

Also shows how incremental updates to the parser can be done.

MAINT,DOC: Add --backend to argparse, add docs

bc37684

MAINT: Rename meson template [f2py-meson]

4e3336b

MAINT: Add meson.build for f2py

518074e

Should address numpy#22225 (comment)

HaoZeke force-pushed the f2pyBackends branch from 81fd728 to 518074e Compare September 2, 2023 17:31

BLD: remove duplicate f2py handling in meson.build files

cc92d2c

rgommers approved these changes Sep 5, 2023

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charris merged commit fedc834 into numpy:main Sep 5, 2023

charris mentioned this pull request Sep 5, 2023

ENH: meson backend for f2py #24647

Merged

charris removed the 09 - Backport-Candidate PRs tagged should be backported label Sep 5, 2023

HaoZeke deleted the f2pyBackends branch September 19, 2023 20:20

HaoZeke mentioned this pull request Sep 19, 2023

TST: Skip f2py compilation tests on 3.12 #24751

Closed

HaoZeke mentioned this pull request Oct 20, 2023

BUG: f2py - Invalid command line options do not warn or error on Python 3.12 #24874

Closed

HaoZeke mentioned this pull request Nov 13, 2023

DOC: f2py CLI documentation enhancements #25124

Merged

TimotheusBachinger mentioned this pull request Nov 25, 2024

fix build #27836

Closed

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ENH: meson backend for f2py #24532

ENH: meson backend for f2py #24532

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python-3.12 Support

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ENH: `meson` backend for `f2py` #24532

ENH: `meson` backend for `f2py` #24532

HaoZeke commented Aug 25, 2023 •

edited by rgommers

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`python-3.12` Support

Manual `CReturnReal` setup