Refactor gemini builder with python
Perl was having issues with markdown's fenced blocks, so I decided to rewrite the generator script in Python.
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5 changed files with 95 additions and 89 deletions
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@ -1,6 +1,8 @@
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FROM alpine:latest
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RUN apk add perl lowdown
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WORKDIR /app
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COPY generate_capsule.sh .
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ENTRYPOINT [ "./generate_capsule.sh" ]
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COPY requirements.txt .
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RUN apk add python3 py3-pip lowdown \
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&& python3 -m pip install -r requirements.txt --break-system-packages
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COPY generate_capsule.py .
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ENTRYPOINT [ "python3", "generate_capsule.py" ]
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@ -6,7 +6,8 @@ exclude:
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- Dockerfile*
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- compose.yaml
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- Makefile
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- generate_capsule.sh
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- generate_capsule.py
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- requirements.txt
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jekyll_compose:
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default_front_matter:
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83
generate_capsule.py
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83
generate_capsule.py
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@ -0,0 +1,83 @@
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import glob
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import os
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import subprocess
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from datetime import datetime
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import frontmatter
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if not os.path.exists("_capsule"):
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os.makedirs("_capsule")
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with open("_layouts/home.gmi", mode="r", encoding="utf8") as file:
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home_body = file.read()
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with open("_layouts/article.gmi", mode="r", encoding="utf8") as file:
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article_body = file.read()
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with open("_includes/header.gmi", mode="r", encoding="utf8") as file:
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header_body = file.read()
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with open("_includes/footer.gmi", mode="r", encoding="utf8") as file:
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footer_body = file.read()
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with open("_includes/links.gmi", mode="r", encoding="utf8") as file:
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links_body = file.read()
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articles = glob.glob("_posts/*.md")
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if os.getenv("GEMINI_ENV") != "production":
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articles += glob.glob("_drafts/*.md")
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today = datetime.today().strftime("%Y-%m-%d")
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year = datetime.today().strftime("%Y")
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articles_list = []
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for article in articles:
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gmi = article.replace("_posts/", "").replace("_drafts/", "").replace(".md", ".gmi")
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fm = frontmatter.load(article)
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article_title = fm.get("title")
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article_date = fm.get("date")
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links = fm.get("links", "end")
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result = subprocess.run(
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["lowdown", "-tgemini", f"--gemini-link-{links}", article],
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capture_output=True,
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text=True,
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)
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article_content = result.stdout
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if article_date is None:
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article_date = today
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gmi = f"{article_date}-{gmi}"
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elif isinstance(article_date, str):
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article_date = datetime.fromisoformat(article_date).strftime("%Y-%m-%d")
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body = (
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article_body.replace("%%header%%", header_body)
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.replace("%%links%%", links_body)
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.replace("%%title%%", f"{article_title}\n{article_date}\n")
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.replace("%%body%%", article_content)
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.replace("%%footer%%", footer_body)
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.replace("%%year%%", year)
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)
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articles_list.append(f"=> {gmi} {article_date} {article_title}")
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with open(f"_capsule/{gmi}", mode="w", encoding="utf8") as file:
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file.write(body)
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articles_list.sort(reverse=True)
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result = subprocess.run(
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["lowdown", "-tgemini", "index.md"], capture_output=True, text=True
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)
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home_content = result.stdout
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body = (
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home_body.replace("%%header%%", header_body)
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.replace("%%links%%", links_body)
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.replace("%%body%%", home_content)
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.replace("%%articles%%", "\n".join(articles_list))
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.replace("%%footer%%", footer_body)
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.replace("%%year%%", year)
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)
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with open("_capsule/index.gmi", mode="w", encoding="utf8") as file:
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file.write(body)
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@ -1,85 +0,0 @@
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#!/usr/bin/env sh
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mkdir -p _capsule
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articles_list=""
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current_year=$(date +%Y)
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header_body=$(cat _includes/header.gmi)
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footer_body=$(cat _includes/footer.gmi)
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links_body=$(cat _includes/links.gmi)
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for post in $(ls _posts/*.md); do
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article_title=$(lowdown -X title $post)
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article_date=$(lowdown -X date $post | awk '{print $1}')
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article_body=$(lowdown -tgemini $post)
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echo "Rendering post $article_title..."
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gemfile=$post
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gemfile=${gemfile/_posts/_capsule}
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gemfile=${gemfile/.md/.gmi}
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cat _layouts/article.gmi \
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| perl -pe "s|%%header%%|${header_body}|" \
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| perl -pe "s|%%links%%|${links_body}|" \
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| perl -pe "s|%%title%%|${article_title}\n${article_date}\n|" \
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| perl -pe "s|%%body%%|${article_body}|" \
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| perl -pe "s|%%footer%%|${footer_body}|" \
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| perl -pe "s|%%year%%|${current_year}|" \
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> $gemfile
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articles_list="$articles_list=> ${gemfile/_capsule\//} $article_date $article_title\n"
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done
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drafts_list=""
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if [ "${GEMINI_ENV}" != 'production' ]; then
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for post in $(ls _drafts/*.md); do
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article_title=$(lowdown -X title $post)
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article_body=$(lowdown -tgemini $post)
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echo "Rendering draft $article_title..."
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gemfile=$post
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gemfile=${gemfile/_drafts/_capsule}
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gemfile=${gemfile/.md/.gmi}
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cat _layouts/article.gmi \
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| perl -pe "s|%%header%%|${header_body}|" \
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| perl -pe "s|%%links%%|${links_body}|" \
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| perl -pe "s|%%title%%|${article_title}|" \
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| perl -pe "s|%%body%%|${article_body}|" \
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| perl -pe "s|%%footer%%|${footer_body}|" \
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| perl -pe "s|%%year%%|${current_year}|" \
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> $gemfile
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drafts_list="$drafts_list=> ${gemfile/_capsule\//} $article_title\n"
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done
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fi
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echo "Rendering index..."
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index_body=$(lowdown -tgemini index.md)
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articles=""
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if [ ! -z "$articles_list" ]; then
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articles="## Articles\n\n${articles_list}"
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fi
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drafts=""
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if [ ! -z "$drafts_list" ]; then
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drafts="## Drafts\n\n${drafts_list}"
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fi
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cat _layouts/home.gmi \
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| perl -pe "s|%%header%%|${header_body}|" \
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| perl -pe "s|%%links%%|${links_body}|" \
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| perl -pe "s|%%body%%|${index_body}|" \
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| perl -pe "s|%%articles%%|${articles}|" \
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| perl -pe "s|%%drafts%%|${drafts}|" \
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| perl -pe "s|%%footer%%|${footer_body}|" \
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| perl -pe "s|%%year%%|${current_year}|" \
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> _capsule/index.gmi
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echo "Done"
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5
requirements.txt
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5
requirements.txt
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packaging==24.2
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pyparsing==3.1.4
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python-frontmatter==1.1.0
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PyYAML==6.0.2
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setuptools==70.3.0
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