Migrate Gallery to Catalog

Co-authored-by: Oleh Prypin <oleh@pryp.in>

.github/workflows/gallery.yml

@@ -0,0 +1,61 @@
+name: Gallery
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Install Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+
+    - uses: actions/cache@v3
+      name: Cache/restore pip data
+      with:
+        path: ~/.cache/pip
+        key: pip
+
+    - name: Install Python dependencies
+      run: pip install -r requirements.txt
+
+    - name: Cache/restore Playwright browsers
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/ms-playwright/
+        key: playwright
+
+    - name: Install Playwright dependencies
+      run: shot-scraper install
+
+    - name: Build everything
+      run: python build_gallery.py
+
+    - name: Upload artifact
+      uses: actions/upload-pages-artifact@v2
+      with:
+        path: gallery
+
+  deploy:
+    if: github.event_name == 'push' && github.ref_name == github.event.repository.default_branch
+    needs: build
+    concurrency:
+      group: "pages"
+    permissions:
+      pages: write
+      id-token: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}

.gitignore

@@ -1,3 +1,10 @@
+# Specific to this project
+/logs/
+/themes/
+/gallery/
+/docs/
+/mkdocs.yml
+
 # IntelliJ
 target/
 .idea/

Makefile

@@ -0,0 +1,10 @@
+.PHONY: build-gallery
+build-gallery:
+	python -m venv .venv
+	.venv/bin/pip install -r requirements.txt
+	.venv/bin/playwright install
+	.venv/bin/python build_gallery.py
+
+.PHONY: serve-gallery
+serve-gallery:
+	cd gallery; python -m http.server

build_gallery.py

@@ -0,0 +1,209 @@
+import argparse
+import os
+import shutil
+import subprocess
+import sys
+import venv
+from dataclasses import dataclass
+from multiprocessing import Pool
+from pathlib import Path
+
+import mkdocs_get_deps
+import yaml
+from jinja2 import Environment
+from shot_scraper.cli import cli as shot_scraper
+from tqdm import tqdm
+
+
+@dataclass
+class Theme:
+    name: str
+    mkdocs_id: str
+    url: str = ""
+    pypi_id: str = ""
+    builtin: bool = False
+
+
+_builtin_themes = [
+    Theme(name="MkDocs", mkdocs_id="mkdocs", builtin=True),
+    Theme(name="ReadTheDocs", mkdocs_id="readthedocs", builtin=True),
+]
+
+
+# Fetch themes from MkDocs catalog.
+def get_themes() -> list[Theme]:
+    with open("projects.yaml") as file:
+        catalog = yaml.safe_load(file)
+    projects = catalog["projects"]
+    theming_category = [project for project in projects if project["category"] == "theming"]
+    themes = []
+    for project in theming_category:
+        if mkdocs_theme := project.get("mkdocs_theme"):
+            if "github_id" in project:
+                url = f"https://github.com/{project['github_id']}"
+            elif "gitlab_id" in project:
+                url = f"https://gitlab.com/{project['gitlab_id']}"
+            else:
+                url = ""
+            pypi_id = project.get("pypi_id", f"git+{url}")
+            if isinstance(mkdocs_theme, str):
+                themes.append(Theme(name=project["name"], url=url, pypi_id=pypi_id, mkdocs_id=mkdocs_theme))
+            else:
+                for theme in mkdocs_theme:
+                    themes.append(
+                        Theme(name=f"{project['name']} - {theme.title()}", url=url, pypi_id=pypi_id, mkdocs_id=theme)
+                    )
+    return _builtin_themes + sorted(themes, key=lambda theme: theme.name.lower())
+
+
+# Copy files and expand Jinja templates.
+def _prepare_site(src_dir: Path, dest_dir: Path, themes: list[Theme], theme: Theme | None = None) -> None:
+    jinja = Environment(autoescape=False)
+    dest_dir.mkdir(parents=True, exist_ok=True)
+
+    for src_path in src_dir.rglob("*"):
+        if not src_path.is_file():
+            continue
+        dest_path = dest_dir.joinpath(src_path.relative_to(src_dir))
+        dest_path.parent.mkdir(parents=True, exist_ok=True)
+        if src_path.suffix in (".md", ".yml"):
+            content = src_path.read_text()
+            content = jinja.from_string(content).render(themes=themes, theme=theme)
+            dest_path.write_text(content)
+        else:
+            shutil.copyfile(src_path, dest_path)
+
+
+# Prepare each theme (docs directory and configuration file).
+def prepare_themes(themes: list[Theme]) -> None:
+    specimen_dir = Path("templates", "specimen")
+    for theme in themes:
+        # Copy specific directory, or default to specimen.
+        theme_dir = Path("themes", theme.mkdocs_id)
+        theme_conf_dir = Path("templates", "themes", theme.mkdocs_id)
+        if not theme_conf_dir.exists():
+            theme_conf_dir = specimen_dir
+        shutil.copytree(theme_conf_dir, theme_dir, dirs_exist_ok=True)
+
+        _prepare_site(specimen_dir, theme_dir, themes, theme=theme)
+
+
+# Prepare the main documentation site.
+def prepare_main(themes: list[Theme]) -> None:
+    _prepare_site(Path("templates", "main"), Path("."), themes)
+
+
+# Create virtualenvs and install dependencies.
+def install_deps(theme: Theme) -> None:
+    theme_dir = Path("themes", theme.mkdocs_id)
+    venv_dir = theme_dir / ".venv"
+    if not venv_dir.exists():
+        venv.create(venv_dir, with_pip=True)
+    deps = mkdocs_get_deps.get_deps(config_file=theme_dir / "mkdocs.yml")
+    subprocess.run(
+        [venv_dir / "bin" / "pip", "install", *deps],
+        check=False,
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
+    )
+
+
+# Build theme sites.
+def build_themes(themes: list[Theme]) -> None:
+    parser = argparse.ArgumentParser(prog="build_gallery.py")
+    parser.add_argument(
+        "-D",
+        "--no-deps",
+        dest="install_deps",
+        action="store_false",
+        default=True,
+        help="Don't install Python dependencies.",
+    )
+    parser.add_argument(
+        "-T",
+        "--no-themes",
+        dest="build_themes",
+        action="store_false",
+        default=True,
+        help="Don't rebuild each theme site.",
+    )
+    parser.add_argument(
+        "-S",
+        "--no-shots",
+        dest="take_screenshots",
+        action="store_false",
+        default=True,
+        help="Don't take screenshots of each theme.",
+    )
+
+    opts = parser.parse_args()
+
+    if not opts.install_deps:
+        print("Skipping dependencies installation")
+    else:
+        print("Preparing environments")
+
+        with Pool(len(os.sched_getaffinity(0))) as pool:
+            tuple(tqdm(pool.imap(install_deps, themes), total=len(themes)))
+
+    if not opts.build_themes:
+        print("Skipping themes building")
+    else:
+        logs_dir = Path("logs")
+        logs_dir.mkdir(exist_ok=True)
+        shutil.rmtree(Path("gallery", "themes"), ignore_errors=True)
+        Path("gallery", "themes").mkdir(parents=True)
+
+        def _build_theme(theme: Theme) -> None:
+            theme_dir = Path("themes", theme.mkdocs_id).absolute()
+            dest_dir = Path("gallery", "themes", theme.mkdocs_id).absolute()
+            print(f"Building {theme.name}")
+            with logs_dir.joinpath(f"{theme.mkdocs_id}.txt").open("w") as logs_file:
+                try:
+                    subprocess.run(
+                        [theme_dir.joinpath(".venv", "bin", "mkdocs"), "build", "-d", dest_dir],
+                        stdout=logs_file,
+                        stderr=logs_file,
+                        check=True,
+                        text=True,
+                        cwd=theme_dir,
+                    )
+                except subprocess.CalledProcessError:
+                    print("FAILED!")
+
+        for theme in themes:
+            _build_theme(theme)
+
+    if not opts.take_screenshots:
+        print("Skipping screenshots")
+    else:
+        print("Taking screenshots")
+        Path("docs", "assets", "img").mkdir(parents=True, exist_ok=True)
+        for theme in tqdm(themes):
+            try:
+                shot_scraper(
+                    [f"gallery/themes/{theme.mkdocs_id}/index.html", "-o", f"docs/assets/img/{theme.mkdocs_id}.png"]
+                )
+            except SystemExit:
+                pass
+            except Exception as error:
+                print(error)
+
+
+# Build main documentation site.
+def build_main() -> None:
+    print("Building gallery's main site")
+    subprocess.run([sys.executable, "-mmkdocs", "build", "--dirty"], check=True)
+
+
+# Run everything.
+def main() -> None:
+    themes = get_themes()
+    prepare_themes(themes)
+    prepare_main(themes)
+    build_themes(themes)
+    build_main()
+
+
+if __name__ == "__main__":
+    main()

requirements.txt

@@ -0,0 +1,7 @@
+black
+jinja2
+mkdocs-get-deps
+mkdocs-material
+pyyaml
+shot-scraper
+tqdm

templates/main/docs/index.md

@@ -0,0 +1,28 @@
+---
+hide:
+- navigation
+---
+
+# Welcome to our gallery of MkDocs themes!
+
+<style>
+article img {
+    -webkit-filter: drop-shadow(0px 16px 10px rgba(100,100,100,0.6));
+    -moz-filter: drop-shadow(0px 16px 10px rgba(100,100,100,0.6));
+    -ms-filter: drop-shadow(0px 16px 10px rgba(100,100,100,0.6));
+    -o-filter: drop-shadow(0px 16px 10px rgba(100,100,100,0.6));
+    filter: drop-shadow(0px 16px 10px rgba(100,100,100,0.6));
+}
+</style>
+
+{% for builtin in [true, false] %}
+{% if builtin %}## Built-in themes{% else %}## Third-party themes{% endif %}
+
+{% for theme in themes if theme.builtin == builtin %}
+### {{theme.name}}
+
+[![{{theme.name}}](assets/img/{{theme.mkdocs_id}}.png)](themes/{{theme.mkdocs_id}}){ title="Click to browse!" }
+
+---
+{% endfor %}
+{% endfor %}

templates/main/mkdocs.yml

@@ -0,0 +1,25 @@
+site_name: Gallery
+site_url: https://mkdocs.github.io/catalog
+site_dir: gallery
+
+theme:
+  name: material
+  logo: assets/logo.png
+  palette:
+  - media: "(prefers-color-scheme: light)"
+    scheme: default
+    primary: blue
+    toggle:
+      icon: material/brightness-7
+      name: Switch to dark mode
+  - media: "(prefers-color-scheme: dark)"
+    scheme: slate
+    primary: blue
+    toggle:
+      icon: material/brightness-4
+      name: Switch to light mode
+
+markdown_extensions:
+  - attr_list
+  - toc:
+      permalink: true

templates/specimen/docs/index.md

@@ -0,0 +1,20 @@
+# Welcome to {{ theme.name }}
+
+This page is built with the {% if theme.url %}[{{ theme.name }}]({{ theme.url }}){% else %}{{ theme.name }}{% endif %} theme,
+and demonstrates how a few Markdown extensions and MkDocs plugins
+will look within this theme.
+
+{% if theme.pypi_id %}
+To install the theme:
+
+```bash
+pip install {{ theme.pypi_id }}
+```
+{% endif %}
+
+To build your docs with this theme:
+
+```yaml
+# mkdocs.yml
+theme: {{ theme.mkdocs_id }}
+```

templates/specimen/docs/reference.md

@@ -0,0 +1 @@
+::: calculator