Use dynamic BuildRequires for python runtime dependencies

scipy.spec

@@ -30,7 +30,7 @@
 Summary:    Scientific Tools for Python
 Name:       scipy
 Version:    1.11.3
-Release:    6%{?dist}
+Release:    7%{?dist}
 
 # BSD-3-Clause -- whole package except:
 # BSD-2-Clause -- scipy/_lib/_pep440.py
@@ -67,17 +67,11 @@ Patch:          https://github.com/scipy/scipy/pull/19443.patch
 
 BuildRequires: %{blaslib}-devel
 BuildRequires: gcc-gfortran, gcc-c++
+BuildRequires: tomcli
 
 BuildRequires:  pybind11-devel
 BuildRequires:  python3-devel, python3-numpy-f2py
 
-BuildRequires:  python3-pytest
-BuildRequires:  python3-pytest-timeout
-%if ! 0%{?rhel}
-BuildRequires:  python3-pytest-xdist
-%endif
-BuildRequires:  python3-pooch
-
 %if %{with doc}
 BuildRequires:  python3-sphinx
 BuildRequires:  python3-matplotlib
@@ -189,8 +183,22 @@ sed -i '/pybind11/s/2\.11\.1/2.12.0/' pyproject.toml
 # not a real function.  It is a weak alias to __open_memstream.
 sed -i "s/\('has_openmemstream', \)'0'/\1'1'/" scipy/_lib/meson.build
 
+# meson-python does not implement the prepare_metadata_for_build_wheel hook :(.
+# Instead of using -w and compiling the wheel, an expensive process, twice
+# (once to extract metadata, one for the final package), we can write the
+# static deps from pyproject.toml to a file, and use that with %%pyproject_buildrequires.
+#
+# See https://github.com/mesonbuild/meson-python/issues/236 for more discussion.
+tomcli-get pyproject.toml -F newline-list \
+    project.dependencies > _install-requirements.txt
+
+# Do the same for test dependencies
+tomcli-get pyproject.toml -F newline-list \
+    project.optional-dependencies.test > _test-requirements.txt
+
+
 %generate_buildrequires
-%pyproject_buildrequires -R
+%pyproject_buildrequires -R _install-requirements.txt _test-requirements.txt
 
 %build
 %pyproject_wheel
@@ -287,6 +295,9 @@ popd
 %endif
 
 %changelog
+* Fri Feb 02 2024 Maxwell G <maxwell@gtmx.me> - 1.11.3-7
+- Use dynamic BuildRequires for python runtime dependencies
+
 * Tue Jan 30 2024 Miro Hrončok <mhroncok@redhat.com> - 1.11.3-6
 - Skip fewer tests during build