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Primer / Comment

Primer / Comment #3696

# Most of this is inspired by the mypy primer
# See: https://github.com/hauntsaninja/mypy_primer
# This is the primer job that creates the comment on the PR
# It needs to trigger on workflow_run instead of pull_request
# as we need repository wide access to create a comment
name: Primer / Comment
on:
workflow_run:
workflows: [Primer / Run]
types:
- completed
env:
# This needs to be the SAME as in the Main and PR job
CACHE_VERSION: 4
KEY_PREFIX: venv-primer
DEFAULT_PYTHON: "3.12"
permissions:
contents: read
pull-requests: write
jobs:
primer-comment:
# Skip job if the workflow failed
if: ${{ github.event.workflow_run.conclusion == 'success' }}
name: Run
runs-on: ubuntu-latest
steps:
- name: Check out code from GitHub
uses: actions/checkout@v4.1.2
- name: Set up Python ${{ env.DEFAULT_PYTHON }}
id: python
uses: actions/setup-python@v5.1.0
with:
python-version: ${{ env.DEFAULT_PYTHON }}
check-latest: true
# Restore cached Python environment
- name: Restore Python virtual environment
id: cache-venv
uses: actions/cache@v4.0.2
with:
path: venv
key:
${{ runner.os }}-${{ steps.python.outputs.python-version }}-${{
env.KEY_PREFIX }}-${{ env.CACHE_VERSION }}-${{ hashFiles('pyproject.toml',
'requirements_test.txt', 'requirements_test_min.txt',
'requirements_test_pre_commit.txt') }}
- name: Download outputs
uses: actions/github-script@v7.0.1
with:
script: |
// Download workflow pylint output
const fs = require('fs');
const artifacts_workflow = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{ github.event.workflow_run.id }},
});
// Get 'main' and 'PR' outputs and PR number
const artifacts = artifacts_workflow.data.artifacts.filter((artifact) =>
artifact.name.startsWith(`primer_output_main_${process.env.DEFAULT_PYTHON}`)
|| artifact.name.startsWith(`primer_output_pr_${process.env.DEFAULT_PYTHON}`)
|| artifact.name === 'pr_number'
);
for (const artifact of artifacts) {
const downloaded = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: artifact.id,
archive_format: "zip",
});
fs.writeFileSync(`${artifact.name}.zip`, Buffer.from(downloaded.data));
}
- name: Unzip outputs
run: |
unzip primer_output_main_${{ env.DEFAULT_PYTHON }}_batch0.zip
unzip primer_output_main_${{ env.DEFAULT_PYTHON }}_batch1.zip
unzip primer_output_main_${{ env.DEFAULT_PYTHON }}_batch2.zip
unzip primer_output_main_${{ env.DEFAULT_PYTHON }}_batch3.zip
unzip primer_output_pr_${{ env.DEFAULT_PYTHON }}_batch0.zip
unzip primer_output_pr_${{ env.DEFAULT_PYTHON }}_batch1.zip
unzip primer_output_pr_${{ env.DEFAULT_PYTHON }}_batch2.zip
unzip primer_output_pr_${{ env.DEFAULT_PYTHON }}_batch3.zip
unzip pr_number.zip
- name: Compare outputs
run: |
. venv/bin/activate
python tests/primer/__main__.py compare \
--commit=${{ github.event.workflow_run.head_sha }} \
--base-file=output_${{ env.DEFAULT_PYTHON }}_main_BATCHIDX.txt \
--new-file=output_${{ env.DEFAULT_PYTHON }}_pr_BATCHIDX.txt \
--batches=4
- name: Post comment
id: post-comment
uses: actions/github-script@v7.0.1
with:
script: |
const fs = require('fs')
const comment = fs.readFileSync('tests/.pylint_primer_tests/comment.txt', { encoding: 'utf8' })
console.log("Comment to post:")
console.log(comment)
const prNumber = parseInt(fs.readFileSync("pr_number.txt", { encoding: "utf8" }))
await github.rest.issues.createComment({
issue_number: prNumber,
owner: context.repo.owner,
repo: context.repo.repo,
body: comment
})
return prNumber
- name: Hide old comments
# Taken from mypy primer
uses: kanga333/comment-hider@c12bb20b48aeb8fc098e35967de8d4f8018fffdf # v0.4.0
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
leave_visible: 1
issue_number: ${{ steps.post-comment.outputs.result }}