Update bin/coverage.sh to use meson

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -149,11 +149,9 @@ jobs:
           python-version: '3.12'
       - run: sudo apt-get update
       - run: sudo apt-get install libflint-dev
-      - run: pip install cython setuptools coverage
+      - run: pip install git+https://github.com/oscarbenjamin/cython.git@pr_relative_paths
+      - run: pip install -r requirements-dev.txt
       - run: bin/coverage.sh
-        env:
-          PYTHONPATH: src
-      - run: coverage report --sort=cover
 
   # Run SymPy test suite against python-flint master
   test_sympy:

bin/coverage.sh

@@ -1,42 +1,16 @@
 #!/bin/bash
 #
-# Note: cython's Cython/Coverage.py fails for pyx files that are included in
-# other pyx files. This gives the following error:
+# This needs a patched Cython:
 #
-#   $ coverage report -m
-#   Plugin 'Cython.Coverage.Plugin' did not provide a file reporter for
-#   '.../python-flint/src/flint/fmpz.pyx'.
+#   pip install git+https://github.com/oscarbenjamin/cython.git@pr_relative_paths
 #
-# A patch to the file is needed:
+# That patch has been submitted as a pull request:
 #
-#  --- Coverage.py.backup   2022-12-09 17:36:35.387690467 +0000
-#  +++ Coverage.py 2022-12-09 17:08:06.282516837 +0000
-#  @@ -172,7 +172,9 @@ class Plugin(CoveragePlugin):
-#          else:
-#              c_file, _ = self._find_source_files(filename)
-#              if not c_file:
-# -                return None
-# +                c_file = os.path.join(os.path.dirname(filename), 'pyflint.c')
-# +                if not os.path.exists(c_file):
-# +                    return None
-#              rel_file_path, code = self._read_source_lines(c_file, filename)
-#              if code is None:
-#                  return None  # no source found
+#   https://github.com/cython/cython/pull/6341
 #
-#
-
 set -o errexit
 
-source bin/activate
-
-export PYTHON_FLINT_COVERAGE=true
-
-# Force a rebuild of everything with coverage tracing enabled:
-# touch src/flint/flintlib/*
-
-python setup.py build_ext --inplace
-
-coverage run -m flint.test $@
-
-#coverage report -m
+meson configure build -Dcoverage=true
+spin run -- coverage run -m flint.test
+coverage report -m
 coverage html