Galaxy Training Network news #2144
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| --- | |
| # Pull news from the Galaxy Training Network's RSS feed and add them as | |
| # Galaxy Hub posts. | |
| name: Galaxy Training Network news | |
| env: | |
| base: master | |
| branch: gtn-news | |
| github_api_version: "2022-11-28" | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: 0 * * * * | |
| jobs: | |
| collect: | |
| name: Collect news from the Galaxy Training Network | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Install feedparser. | |
| run: pip install feedparser~=6.0 | |
| - name: Parse GTN RSS feed. | |
| id: parse | |
| shell: python -u {0} | |
| run: | | |
| import json | |
| import os | |
| from datetime import datetime, timedelta, timezone | |
| import feedparser | |
| feedparser.sanitizer._HTMLSanitizer.acceptable_elements.remove("a") | |
| feedparser.sanitizer._HTMLSanitizer.acceptable_elements.remove("img") | |
| feed = feedparser.parse("https://training.galaxyproject.org/training-material/feed.xml") | |
| posts = {} | |
| oldest = datetime.now().astimezone() | |
| for entry in feed.entries: | |
| feed_title = f"[GTN news] {entry['title']}" | |
| feed_link = entry["link"] | |
| feed_blurb = entry["summary"] | |
| feed_published = entry["published"].split("T")[0] | |
| feed_name = feed_link.split("/")[-1].replace(".html", "") | |
| feed_author = entry["author"] | |
| posts[f"{feed_published}-{feed_name}"] = { | |
| "title": feed_title, | |
| "link": feed_link, | |
| "blurb": feed_blurb, | |
| "published": feed_published, | |
| "name": feed_name, | |
| "author": feed_author, | |
| } | |
| feed_published_dt = datetime.fromisoformat(entry["published"]) | |
| oldest = feed_published_dt if feed_published_dt < oldest else oldest | |
| oldest = (oldest - timedelta(days=1)).astimezone(timezone.utc).date() | |
| # reverse ordering (sort by ascending date) | |
| posts = { | |
| post: posts[post] | |
| for post in tuple(posts)[::-1] | |
| } | |
| with open(os.environ["GITHUB_OUTPUT"], 'w') as file: | |
| print("posts=%s" % json.dumps(posts), file=file) | |
| print( | |
| "matrix=%s" % f"{json.dumps({'name': list(posts)})}", | |
| file=file | |
| ) | |
| # Not strictly necessary but produces a workflow with less jobs. | |
| - name: Filter out already published posts. | |
| id: filter | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| readarray -t all_posts <<< $(jq -r 'keys_unsorted | .[]' <<< '${{ steps.parse.outputs.posts }}') | |
| posts=() | |
| set +e | |
| for post in "${all_posts[@]}"; do | |
| # check in the base branch | |
| gh api \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| /repos/${{ github.repository }}/contents/content/news/"$post"/index.md?ref=${{ env.base }} | |
| test $? -ne 0 || continue | |
| # check in the target branch | |
| gh api \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| /repos/${{ github.repository }}/contents/content/news/"$post"/index.md?ref=${{ env.branch }} | |
| test $? -ne 0 || continue | |
| posts+=("$post") | |
| done | |
| set -e | |
| json=$(printf '%s\n' "${posts[@]}" | jq -R . | jq -s --compact-output .) | |
| matrix=$(jq -n --compact-output --argjson v "$json" '{"name": $v}') | |
| echo matrix="$matrix" >> $GITHUB_OUTPUT | |
| outputs: | |
| posts: ${{ steps.parse.outputs.posts }} | |
| matrix: ${{ steps.filter.outputs.matrix }} | |
| commit: | |
| name: Create commits | |
| runs-on: ubuntu-latest | |
| needs: collect | |
| if: ${{ needs.collect.outputs.matrix != '{"name":[""]}' }} | |
| strategy: | |
| max-parallel: 1 | |
| fail-fast: false | |
| matrix: ${{fromJson(needs.collect.outputs.matrix)}} | |
| steps: | |
| - name: Create the Galaxy Hub post. | |
| shell: python -u {0} | |
| run: | | |
| import json | |
| import textwrap | |
| post = json.loads(""" | |
| ${{ needs.collect.outputs.posts }} | |
| """)["${{ matrix.name }}"] | |
| post = textwrap.dedent(f""" | |
| --- | |
| subsites: [all] | |
| main_subsite: global | |
| date: "{post['published']}" | |
| tags: [training, gtn-news] | |
| title: "{post['title']}" | |
| authors: "{post['author']}" | |
| external_url: '{post["link"]}' | |
| --- | |
| {post["blurb"]} | |
| """)[1:] | |
| with open("index.md", "w") as file: | |
| file.write(post) | |
| - name: Create the PR branch. | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| # Check if the PR branch exists. | |
| set +e | |
| gh api \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| /repos/${{ github.repository }}/git/ref/heads/${{ env.branch }} | |
| test $? -ne 0 || exit 0 | |
| set -e | |
| # Get commit sha of the tip of the base branch. | |
| sha=$(\ | |
| gh api \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| /repos/${{ github.repository }}/git/ref/heads/${{ env.base }} \ | |
| | jq -r '.object.sha' \ | |
| ) | |
| # Create the PR branch. | |
| gh api \ | |
| --method POST \ | |
| -H "Accept: application/vnd.github.v3+json" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| /repos/${{ github.repository }}/git/refs \ | |
| -f ref='refs/heads/${{ env.branch }}' \ | |
| -f sha=$sha | |
| - name: Commit the Galaxy Hub post. | |
| run: | | |
| base64=$(base64 --wrap=0 < index.md) | |
| commit='{ | |
| "message": "Post ${{ matrix.name }} from GTN", | |
| "author": { | |
| "name": "GitHub", | |
| "email": "[email protected]" | |
| }, | |
| "branch": "${{ env.branch }}", | |
| "content": "'$base64'" | |
| }' | |
| echo $commit > data.json | |
| curl -L \ | |
| -X PUT \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "Authorization: Bearer ${{ github.token }}" \ | |
| -H "X-GitHub-Api-Version: ${{ env.github_api_version }}" \ | |
| https://api.github.com/repos/${{ github.repository }}/contents/content/news/${{ matrix.name }}/index.md \ | |
| -d @data.json | |
| pull_request: | |
| name: Create pull request | |
| runs-on: ubuntu-latest | |
| needs: commit | |
| if: always() | |
| steps: | |
| - name: Create a pull request. | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| # Check if an open pull request already exists. | |
| exists=$(gh pr list \ | |
| --repo ${{ github.repository }} \ | |
| --head ${{ env.branch }} \ | |
| --state open \ | |
| --limit 1 \ | |
| --json number \ | |
| | jq '.[].number' | wc -l) | |
| test $exists -ne 1 || exit 0 | |
| set +e | |
| gh pr create \ | |
| --repo ${{ github.repository }} \ | |
| --base "${{ env.base }}" \ | |
| --head "${{ env.branch }}" \ | |
| --title "Publish latest news from the Galaxy Training Network" \ | |
| --body "Publish the latest news from the Galaxy Training Network." | |
| true |