use meson

.coveragerc

@@ -11,8 +11,6 @@ _site-packages-to-src-mapping =
 
 [report]
 fail_under = 98.95
-skip_covered = true
-skip_empty = true
 show_missing = true
 exclude_also =
   ^\s*@pytest\.mark\.xfail
@@ -31,3 +29,5 @@ source =
   .
 source_pkgs =
   yarl
+omit =
+  patch_source.py

.github/workflows/aiohttp.yml

@@ -49,13 +49,10 @@ jobs:
         cache-dependency-path: requirements/*.txt
     - name: Provision the dev env
       run: make .develop
-    - name: Cythonize yarl
-      working-directory: vendor/yarl
-      run: make cythonize
     - name: Install yarl
       working-directory: vendor/yarl
       run: >-
-        python -m pip install -e .
+        python -m pip install .
     - name: Run tests
       run: python -m pytest
       shell: bash

.github/workflows/ci-cd.yml

@@ -87,7 +87,7 @@ jobs:
     - name: Build sdists and pure-python wheel
       env:
         PIP_CONSTRAINT: requirements/cython.txt
-      run: python -Im build --config-setting=pure-python=true
+      run: python -Im build --config-setting=setup-args=-Dpure-python=enabled
     - name: Determine actual created filenames
       id: dist-filenames-detection
       run: >-
@@ -282,21 +282,6 @@ jobs:
       shell: bash
     - name: Self-install
       run: python -Im pip install '${{ steps.wheel-file.outputs.path }}'
-    - name: Produce the C-files for the Coverage.py Cython plugin
-      if: >-  # Only works if the dists were built with line tracing
-        !matrix.no-extensions
-        && (
-          github.event_name != 'push'
-          || !contains(github.ref, 'refs/tags/')
-        )
-      env:
-        PYTHONPATH: packaging/
-      run: |
-        set -eEuo pipefail
-
-        python -Im pip install expandvars
-        python -m pep517_backend.cli translate-cython
-      shell: bash
     - name: Disable the Cython.Coverage Produce plugin
       if: >-  # Only works if the dists were built with line tracing
         matrix.no-extensions

.github/workflows/reusable-build-wheel.yml

@@ -58,6 +58,12 @@ jobs:
         source-tarball-name: ${{ inputs.source-tarball-name }}
         workflow-artifact-name: ${{ inputs.dists-artifact-name }}
 
+    - name: Install the latest version of uv
+      if: ${{ runner.os != 'Linux' }}
+      uses: astral-sh/setup-uv@v4
+      with:
+        version: "latest"
+
     - name: Set up QEMU
       if: inputs.qemu
       uses: docker/setup-qemu-action@v3
@@ -72,6 +78,18 @@ jobs:
         echo "CIBW_ARCHS_LINUX=${{ inputs.qemu }}" >> "${GITHUB_ENV}"
       shell: bash
 
+    - name: Restore cached Primes
+      if: ${{ runner.os != 'Linux' }}
+      id: cache
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~\AppData\Local\pypa\cibuildwheel\Cache
+          ~/Library/Caches/cibuildwheel
+          ~/.cache/cibuildwheel
+        key: "cibuildwheel-${{ runner.os }}"
+
+
     - name: Skip building some wheel tags
       if: inputs.wheel-tags-to-skip
       run: |
@@ -82,9 +100,10 @@ jobs:
       uses: pypa/[email protected]
       env:
         CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-        CIBW_CONFIG_SETTINGS: >-  # Cython line tracing for coverage collection
-          pure-python=false
-          with-cython-tracing=${{ inputs.cython-tracing }}
+        # Cython line tracing for coverage collection
+        CIBW_CONFIG_SETTINGS: >-
+          setup-args=-Dpure-python=disabled
+          setup-args=-Ddebug=${{ inputs.cython-tracing }}
 
     - name: Upload built artifacts for testing and publishing
       uses: actions/upload-artifact@v4

.github/workflows/reusable-linters.yml

@@ -55,9 +55,10 @@ jobs:
     - name: Self-install
       run: |
         pip install .
-    - name: Run linters
-      run: |
-        make lint
+    - uses: pre-commit/[email protected]
+    # - name: Run linters
+    #   run: |
+    #     make lint
     - name: Send coverage data to Codecov
       uses: codecov/codecov-action@v5
       with:
@@ -81,7 +82,7 @@ jobs:
     - name: Prepare twine checker
       run: |
         pip install -U build twine
-        python -m build --config-setting=pure-python=true
+        python -m build --config-setting=setup-args=-Dpure-python=enabled
     - name: Run twine checker
       run: |
         twine check --strict dist/*

.gitignore

@@ -23,6 +23,8 @@ var/
 *.egg-info/
 .installed.cfg
 *.egg
+taskfile.yaml
+.vscode/
 
 # PyInstaller
 #  Usually these files are written by a python script from a template

.mypy.ini

@@ -3,7 +3,6 @@ python_version = 3.8
 color_output = true
 error_summary = true
 files =
-  packaging/,
   tests/,
   yarl/
 

.readthedocs.yaml

@@ -11,7 +11,7 @@ build:
     post_create_environment:
     - >-
       pip install .
-      --config-settings=pure-python=true
+      --config-settings=setup-args=-Dpure-python=enabled
 
 python:
   install:

meson.build

@@ -0,0 +1,97 @@
+project(
+    'yarl',
+    'c',
+    default_options: [
+        'buildtype=release',
+    ],
+    meson_version: '>= 1.3.0',
+)
+
+py_inter = import('python').find_installation()
+
+PY_IMPL = run_command(
+    py_inter,
+    '-c', 'import sys; print(sys.implementation.name)',
+    check: true,
+).stdout().strip()
+
+pure_py = (get_option('pure-python').enabled()) or (PY_IMPL != 'cpython')
+
+py = import('python').find_installation(pure: pure_py)
+
+py.install_sources(
+    [
+        'yarl/__init__.py',
+        'yarl/py.typed',
+        'yarl/_parse.py',
+        'yarl/_path.py',
+        'yarl/_query.py',
+        'yarl/_quoters.py',
+        'yarl/_quoting.py',
+        'yarl/_quoting_py.py',
+        'yarl/_url.py',
+        'yarl/_quoting_c.pyx',
+    ],
+    subdir: 'yarl',
+)
+
+if not pure_py
+    cython = find_program('cython')
+
+    cython_args = ['-3']
+
+    if get_option('debug')
+        cython_args += ['-X', 'linetrace=True']
+        add_global_arguments('-DCYTHON_TRACE=1', language: 'c')
+    endif
+
+    cython_gen = generator(
+        cython,
+        output: ['@[email protected]_unpatched'],
+        arguments: ['@INPUT@', '--output-file', '@OUTPUT0@'] + cython_args,
+    )
+
+    fs = import('fs')
+
+    rewrite_pyx_path = generator(
+        py_inter,
+        output: ['@[email protected]'],
+        arguments: [
+            join_paths(meson.project_source_root(), 'patch_source.py'),
+            '@INPUT@',
+            '@OUTPUT0@',
+        ],
+    )
+
+    quoting_c = cython_gen.process(
+        'yarl/_quoting_c.pyx',
+        preserve_path_from: meson.current_source_dir(),
+    )
+
+    quoting_c_patched = rewrite_pyx_path.process(
+        quoting_c,
+    )
+
+    out = py.extension_module(
+        '_quoting_c',
+        quoting_c_patched,
+        subdir: 'yarl',
+        install: true,
+        dependencies: py.dependency(),
+    )
+
+    # support for in-tree build
+    # # will target will copy binary extension back to source directory
+    custom_target(
+        'copy extension back to file tree',
+        input: out,
+        output: 'copy',
+        depends: out,
+        command: [
+            'cp',
+            out.full_path(),
+            join_paths(meson.project_source_root(), 'yarl/'),
+        ],
+        build_by_default: false,
+    )
+endif

meson.options

@@ -0,0 +1 @@
+option('pure-python', type: 'feature', value: 'disabled')