Galaxy Training Network news #1915
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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 |