Add codspeed benchmarks

.github/workflows/ci-cd.yml

@@ -321,6 +321,89 @@ jobs:
       if: ${{ matrix.os == 'ubuntu' }}
       uses: aio-libs/[email protected]
 
+  benchmark:
+    name: Benchmark
+    needs:
+    - build-pure-python-dists  # transitive, for accessing settings
+    - build-wheels-for-tested-arches
+    - pre-setup  # transitive, for accessing settings
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+    - name: Checkout project
+      uses: actions/checkout@v4
+    - name: Retrieve the project source from an sdist inside the GHA artifact
+      uses: re-actors/checkout-python-sdist@release/v2
+      with:
+        source-tarball-name: >-
+          ${{ needs.build-pure-python-dists.outputs.sdist-filename }}
+        workflow-artifact-name: >-
+          ${{ needs.pre-setup.outputs.dists-artifact-name }}
+    - name: Download distributions
+      uses: actions/download-artifact@v4
+      with:
+        path: dist
+        pattern: ${{ needs.pre-setup.outputs.dists-artifact-name }}*
+        merge-multiple: true
+
+    - name: Setup Python 3.12
+      id: python-install
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.12
+        cache: pip
+        cache-dependency-path: requirements/*.txt
+    - name: Install dependencies
+      uses: py-actions/py-dependency-install@v4
+      with:
+        path: requirements/pytest.txt
+    - name: Determine pre-compiled compatible wheel
+      env:
+        # NOTE: When `pip` is forced to colorize output piped into `jq`,
+        # NOTE: the latter can't parse it. So we're overriding the color
+        # NOTE: preference here via https://no-color.org.
+        # NOTE: Setting `FORCE_COLOR` to any value (including 0, an empty
+        # NOTE: string, or a "YAML null" `~`) doesn't have any effect and
+        # NOTE: `pip` (through its verndored copy of `rich`) treats the
+        # NOTE: presence of the variable as "force-color" regardless.
+        #
+        # NOTE: This doesn't actually work either, so we'll resort to unsetting
+        # NOTE: in the Bash script.
+        # NOTE: Ref: https://github.com/Textualize/rich/issues/2622
+        NO_COLOR: 1
+      id: wheel-file
+      run: >
+        echo -n path= | tee -a "${GITHUB_OUTPUT}"
+
+
+        unset FORCE_COLOR
+
+
+        python
+        -X utf8
+        -u -I
+        -m pip install
+        --find-links=./dist
+        --no-index
+        '${{ env.PROJECT_NAME }}'
+        --force-reinstall
+        --no-color
+        --no-deps
+        --only-binary=:all:
+        --dry-run
+        --report=-
+        --quiet
+        | jq --raw-output .install[].download_info.url
+        | tee -a "${GITHUB_OUTPUT}"
+      shell: bash
+    - name: Self-install
+      run: python -Im pip install '${{ steps.wheel-file.outputs.path }}'
+    - name: Run benchmarks
+      uses: CodSpeedHQ/action@v3
+      with:
+        token: ${{ secrets.CODSPEED_TOKEN }}
+        run: python -Im pytest --no-cov -vvvvv --codspeed
+
   test-summary:
     name: Tests status
     if: always()

.mypy.ini

@@ -82,6 +82,11 @@ disable_error_code =
 [mypy-test_multidict]
 disable_error_code = call-arg
 
+[mypy-test_multidict_benchmarks]
+disable_error_code =
+  no-any-unimported,
+  misc,
+
 [mypy-test_mutable_multidict]
 disable_error_code =
   arg-type,

.pre-commit-config.yaml

@@ -114,6 +114,7 @@ repos:
     - types-docutils
     - lxml  # dep of `--txt-report`, `--cobertura-xml-report` & `--html-report`
     - pytest
+    - pytest_codspeed
     - Sphinx >= 5.3.0
     args:
     - --python-version=3.13
@@ -128,6 +129,7 @@ repos:
     - types-docutils
     - lxml  # dep of `--txt-report`, `--cobertura-xml-report` & `--html-report`
     - pytest
+    - pytest_codspeed
     - Sphinx >= 5.3.0
     args:
     - --python-version=3.11
@@ -142,6 +144,7 @@ repos:
     - types-docutils
     - lxml  # dep of `--txt-report`, `--cobertura-xml-report` & `--html-report`
     - pytest
+    - pytest_codspeed
     - Sphinx >= 5.3.0
     args:
     - --python-version=3.9
@@ -156,6 +159,7 @@ repos:
     - types-docutils
     - lxml  # dep of `--txt-report`, `--cobertura-xml-report` & `--html-report`
     - pytest
+    - pytest_codspeed
     - Sphinx >= 5.3.0
     args:
     - --python-version=3.8

multidict/_multidict_py.py

@@ -16,7 +16,6 @@ def GenericAlias(cls):
 
 
 class istr(str):
-
     """Case insensitive str."""
 
     __is_istr__ = True

requirements/pytest.txt

@@ -1,2 +1,3 @@
 pytest==8.3.3
-pytest-cov==5.0.0
+pytest-codspeed==2.2.1
+pytest-cov==5.0.0