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Post mypy_primer comment #17215

Post mypy_primer comment

Post mypy_primer comment #17215

name: Post mypy_primer comment
on:
workflow_run:
workflows:
- Run mypy_primer
types:
- completed
permissions:
contents: read
pull-requests: write
jobs:
comment:
name: Comment PR from mypy_primer
if: ${{ github.event.workflow_run.conclusion == 'success' }}
runs-on: ubuntu-latest
steps:
- name: Download diffs
uses: actions/github-script@v7
with:
script: |
const fs = require('fs');
const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{ github.event.workflow_run.id }},
});
const matchArtifacts = artifacts.data.artifacts.filter((artifact) =>
artifact.name.startsWith("mypy_primer_diff"));
for (const matchArtifact of matchArtifacts) {
const download = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: matchArtifact.id,
archive_format: "zip",
});
fs.writeFileSync(`${matchArtifact.name}.zip`, Buffer.from(download.data));
}
- run: for file in *.zip; do unzip $file; done
- run: |
cat diff_*.txt | tee fulldiff.txt
- name: Post comment
id: post-comment
uses: actions/github-script@v7
with:
github-token: ${{secrets.GITHUB_TOKEN}}
script: |
const fs = require('fs')
let data = fs.readFileSync('fulldiff.txt', { encoding: 'utf8' })
// Maximum comment length is 65536 characters. We need much less than 236 for extra text.
const MAX_LENGTH = 65300
if (data.length > MAX_LENGTH) {
let truncated_data = data.substring(0, MAX_LENGTH)
let lines_truncated = data.split('\n').length - truncated_data.split('\n').length
data = truncated_data + `\n\n... (truncated ${lines_truncated} lines) ...\n`
}
let body
if (data.trim()) {
body = 'Diff from [mypy_primer](https://github.com/hauntsaninja/mypy_primer), showing the effect of this PR on open source code:\n```diff\n' + data + '```'
} else {
body = 'According to [mypy_primer](https://github.com/hauntsaninja/mypy_primer), this change has no effect on the checked open source code. 🤖🎉'
}
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
})
return prNumber
- name: Hide old comments
# v0.4.0
uses: kanga333/comment-hider@c12bb20b48aeb8fc098e35967de8d4f8018fffdf
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
leave_visible: 1
issue_number: ${{ steps.post-comment.outputs.result }}