chore: sphinx documentation configs, build script, CI job

ApeWorX · Aug 4, 2021 · 6b3602b · 6b3602b
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diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
@@ -0,0 +1,56 @@
+name: Docs
+
+on:
+    push:
+        branches: [main]
+    release:
+        types: [released]
+    pull_request:
+        types: [opened, synchronize]
+
+jobs:
+    docs:
+        runs-on: ubuntu-latest
+
+        steps:
+        - uses: actions/checkout@v2
+
+        - name: Setup Python
+          uses: actions/setup-python@v2
+          with:
+              python-version: 3.8
+
+        - name: Install Dependencies
+          run: pip install .[doc]
+
+        - name: Build HTML artifact
+          run: python build_docs.py
+
+        - name: Upload HTML artifact
+          uses: actions/upload-artifact@v1
+          with:
+              name: DocumentationHTML
+              path: docs/_build/
+
+        - name: Commit and publish documentation changes to gh-pages branch
+          run: |
+              git clone https://github.com/${GITHUB_REPOSITORY} --branch gh-pages --single-branch gh-pages
+              cp -r docs/_build/* gh-pages/
+              cd gh-pages
+              touch .nojekyll
+              git config --local user.email "action@github.com"
+              git config --local user.name "GitHub Action"
+              git add .
+              if [[ "${GITHUB_EVENT_NAME}" =~ "pull_request" ]]; then
+                echo "skipping 'git commit' step for PR"
+              else
+                git commit -m "Update documentation" -a || true
+              fi
+              # The above command will fail if no changes were present, so we use "|| true" to ignore that
+        - name: Push changes
+          uses: ad-m/github-push-action@master
+          if: ${{ github.event_name != 'pull_request' }}
+          with:
+              branch: gh-pages
+              directory: gh-pages
+              github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.md b/README.md
@@ -75,6 +75,15 @@ This project is in early development and should be considered an alpha.
 Things might not work, breaking changes are likely.
 Comments, questions, criticisms and pull requests are welcomed.
 
+## Documentation
+
+To build docs:
+
+```bash
+python build_docs.py  # build docs in docs/_build
+python build_docs.py --rsync=/tmp/ape  # for serving up docs in development
+```
+
 ## License
 
 This project is licensed under the [Apache 2.0](LICENSE).
diff --git a/build_docs.py b/build_docs.py
@@ -0,0 +1,110 @@
+"""
+Used with the `docs` Github action to make versioned docs directories in the
+gh-pages branch.
+"""
+
+
+import argparse
+import os
+import re
+import shutil
+import subprocess
+from distutils.version import LooseVersion
+from pathlib import Path
+
+REDIRECT_HTML = """
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Redirecting...</title>
+<meta http-equiv="refresh" content="0; URL=./stable/">
+"""
+
+DOCS_BUILD_PATH = Path("docs/_build")
+
+
+def log(*args, **kwargs):
+    print(*args, **kwargs)  # noqa: T001
+
+
+def run(args):
+    log("Running:", args)
+    subprocess.check_call(args)
+
+
+def main():
+    # clean out the contents of the build directory, but leave the directory in
+    # place so that serving up files continues to work when you're developing
+    # docs locally
+    DOCS_BUILD_PATH.mkdir(exist_ok=True)
+    for path in DOCS_BUILD_PATH.iterdir():
+        shutil.rmtree(path) if path.is_dir() else path.unlink()
+
+    if "pull_request" in os.environ.get("GITHUB_EVENT_NAME", ""):
+        # build only the current working dir's docs for a PR because PR builds
+        # don't have all the refs needed for multiversion
+        run(["sphinx-build", "docs", "docs/_build"])
+        return  # none of the steps below need to run if we're building for a PR
+    else:
+        # build docs for each version
+        run(["sphinx-multiversion", "docs", "docs/_build"])
+
+    # move the current branch to "latest"
+    branch = subprocess.check_output(["git", "branch", "--show-current"]).decode("ascii").strip()
+    branch = branch or "main"
+    if (DOCS_BUILD_PATH / branch).is_dir():
+        Path(DOCS_BUILD_PATH / branch).rename(DOCS_BUILD_PATH / "latest")
+
+    # clean up static files so we don't need to host the same 10+ MB of web
+    # fonts for each version of the docs
+    for d in Path("docs/_build").glob("**/fonts"):
+        if "latest" in str(d):
+            continue  # leave only the copy of the static files from the latest version
+        shutil.rmtree(d)
+
+    # copy the highest released version to "stable"
+    all_releases = [
+        LooseVersion(d.name) for d in DOCS_BUILD_PATH.iterdir() if re.match(r"v\d+\.", d.name)
+    ]
+    no_pre_releases = [v for v in all_releases if "-" not in str(v)]
+    stable = None
+    if no_pre_releases:
+        stable = max(no_pre_releases)
+    elif all_releases:
+        stable = max(all_releases)
+    else:
+        log("WARNING: Couldn't find any released versions. Going to use 'latest' for 'stable'.")
+        stable = "latest"
+    log(f"Copying latest stable release {stable} to 'stable'.")
+    shutil.copytree(DOCS_BUILD_PATH / str(stable), DOCS_BUILD_PATH / "stable")
+
+    # set up the redirect at /index.html
+    with open(DOCS_BUILD_PATH / "index.html", "w") as f:
+        f.write(REDIRECT_HTML)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--rsync",
+        help="Where to put the fully built docs subdir for serving in development. "
+        "/tmp/projectname is recommended.",
+    )
+    args = parser.parse_args()
+
+    main()
+
+    if args.rsync:
+        run(["rsync", "-pthrvz", "--delete", "./docs/_build/", args.rsync])
+        log("\n")
+        log(
+            (
+                "NOTE: To serve these files in development, run `python3 -m http.server` inside "
+                "`{}`, then go to http://127.0.0.1:8000/projectname in the browser."
+            ).format(Path(args.rsync).parent)
+        )
+        log(
+            "NOTE: If you're making changes to docs locally, go to the 'latest' branch to see "
+            "your changes. Also, due to the way sphinx-multiversion integrates with git, you need "
+            "to commit your changes each time before building."
+        )
+        log()
diff --git a/docs/_autoapi_templates/python/data.rst b/docs/_autoapi_templates/python/data.rst
@@ -0,0 +1,32 @@
+{% if obj.display %}
+.. {{ obj.type }}:: {{ obj.name }}
+   {%+ if obj.value is not none or obj.annotation is not none -%}
+   :annotation:
+        {%- if obj.annotation %} :{{ obj.annotation }}
+        {%- endif %}
+        {%- if obj.value is not none %} = {%
+            if obj.value is string and obj.value.splitlines()|count > 1 -%}
+                Multiline-String
+
+    .. raw:: html
+
+        <details><summary>Show Value</summary>
+
+    .. code-block:: text
+        :linenos:
+
+        {{ obj.value|indent(width=8) }}
+
+    .. raw:: html
+
+        </details>
+
+            {%- else -%}
+                {{ obj.value|string|truncate(100) }}
+            {%- endif %}
+        {%- endif %}
+    {% endif %}
+
+
+   {{ obj.docstring|prepare_docstring|indent(3) }}
+{% endif %}
diff --git a/docs/_autoapi_templates/python/module.rst b/docs/_autoapi_templates/python/module.rst
@@ -0,0 +1,125 @@
+{% if not obj.display %}
+:orphan:
+
+{% endif %}
+:mod:`{{ obj.name }}`
+======={{ "=" * obj.name|length }}
+
+.. py:module:: {{ obj.name }}
+
+{% if obj.docstring %}
+.. autoapi-nested-parse::
+
+   {{ obj.docstring|prepare_docstring|indent(3) }}
+
+{% endif %}
+
+{% block subpackages %}
+{% set visible_subpackages = obj.subpackages|selectattr("display")|list %}
+{% if visible_subpackages %}
+
+.. raw:: html
+
+   <h3>Subpackages</h3>
+
+.. toctree::
+   :titlesonly:
+   :maxdepth: 3
+
+{% for subpackage in visible_subpackages %}
+   {{ subpackage.short_name }}/index.rst
+{% endfor %}
+
+
+{% endif %}
+{% endblock %}
+{% block submodules %}
+{% set visible_submodules = obj.submodules|selectattr("display")|list %}
+{% if visible_submodules %}
+
+.. raw:: html
+
+   <h3>Submodules</h3>
+
+.. toctree::
+   :titlesonly:
+   :maxdepth: 1
+
+{% for submodule in visible_submodules %}
+   {{ submodule.short_name }}/index.rst
+{% endfor %}
+
+
+{% endif %}
+{% endblock %}
+{% block content %}
+{% if obj.all is not none %}
+{% set visible_children = obj.children|selectattr("short_name", "in", obj.all)|list %}
+{% elif obj.type is equalto("package") %}
+{% set visible_children = obj.children|selectattr("display")|list %}
+{% else %}
+{% set visible_children = obj.children|selectattr("display")|rejectattr("imported")|list %}
+{% endif %}
+{% if visible_children %}
+
+
+.. raw:: html
+
+   <h3>{{ obj.type|title }} Contents</h3>
+
+{% set visible_classes = visible_children|selectattr("type", "equalto", "class")|list %}
+{% set visible_functions = visible_children|selectattr("type", "equalto", "function")|list %}
+{% set visible_attributes = visible_children|selectattr("type", "equalto", "data")|list %}
+{% if "show-module-summary" in autoapi_options and (visible_classes or visible_functions) %}
+{% block classes scoped %}
+{% if visible_classes %}
+**Classes**:
+
+.. autoapisummary::
+
+{% for klass in visible_classes %}
+   {{ klass.id }}
+{% endfor %}
+
+
+{% endif %}
+{% endblock %}
+
+{% block functions scoped %}
+{% if visible_functions %}
+**Functions**:
+
+.. autoapisummary::
+
+{% for function in visible_functions %}
+   {{ function.id }}
+{% endfor %}
+
+
+{% endif %}
+{% endblock %}
+
+{% block attributes scoped %}
+{% if visible_attributes %}
+**Attributes**:
+
+.. autoapisummary::
+
+{% for attribute in visible_attributes %}
+   {{ attribute.id }}
+{% endfor %}
+
+
+{% endif %}
+{% endblock %}
+{% endif %}
+
+-----------
+
+{% for obj_item in visible_children %}
+
+{{ obj_item.render()|indent(0) }}
+
+{% endfor %}
+{% endif %}
+{% endblock %}
diff --git a/docs/_static/custom.css b/docs/_static/custom.css
@@ -0,0 +1 @@
+#version-picker-label { color: white; display: inline; }
diff --git a/docs/_static/custom.js b/docs/_static/custom.js
@@ -0,0 +1,16 @@
+$(document).ready(function() {
+    // version picker logic
+    let currentDocsVersion = 'stable';
+    let path = document.location.pathname.split("/");
+    if(path.length >= 3) {
+        currentDocsVersion = path[2];
+    }
+    $("option[value='" + currentDocsVersion + "']").attr("selected", "selected");
+    $("select").change(function() {
+        if(this.value === "") {
+            return false;
+        }
+        let newUrl = document.URL.replace(PROJECT + "/" + currentDocsVersion, PROJECT + "/" + $(this).val());
+        window.location = newUrl;
+    });
+});