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Update README #9

Workflow file for this run

name: Parallel (file)
on:
push:
schedule:
- cron: "0 0 1 * *" # Midnight every month (UTC)
workflow_dispatch:
jobs:
collect:
name: Collect
runs-on: ubuntu-latest
outputs:
groups: "${{ steps.build.outputs.TEST_GROUPS }}"
steps:
- uses: actions/checkout@v4
- uses: astral-sh/setup-uv@v6
with:
enable-cache: true
- name: Install python dependencies
run: |
uv python install; echo
uv sync --locked; echo
uv tree
- name: Collect tests
run: |
uv run -- pytest --collect-only --quiet | tee collected.tmp
echo '::group::Delete the last two lines'
sed -e '$d' collected.tmp | sed -e '$d' | tee collected.txt
echo '::endgroup::'
- name: Build test matrix
id: build
shell: uv run -- python {0}
run: |
from os import environ
# Deduplicate file paths.
with open("collected.txt", encoding="utf-8") as lines:
paths = sorted({line.partition("::")[0] for line in lines})
max_size = 3 # Max files per group
test_groups = {"include": []}
# Slice the list of paths into sublists. We also take the precaution
# to quote each path in case there are spaces within the path.
for i, j in enumerate(range(0, len(paths), max_size), start=1):
quoted = [f"'{path}'" for path in paths[j : j + max_size]]
test_groups["include"].append({"name": f"Group {i}", "paths": " ".join(quoted)})
print(f"::notice ::Groups: {test_groups}")
with open(environ["GITHUB_OUTPUT"], "a", encoding="utf-8") as f:
print(f"TEST_GROUPS={test_groups}", file=f)
test:
name: Test ${{ matrix.name }}
runs-on: ubuntu-latest
needs: collect
strategy:
matrix: ${{ fromJSON(needs.collect.outputs.groups) }}
steps:
- uses: actions/checkout@v4
- uses: astral-sh/setup-uv@v6
with:
enable-cache: true
- name: Install python dependencies
run: |
uv python install; echo
uv sync --locked; echo
uv tree
- name: Run test
# Don't quote the matrix argument because it causes the shell
# to treat the entire list of paths as a single argument.
run: uv run -- pytest ${{ matrix.paths }}