import logging
import os
import re
import shutil
import subprocess
from http.server import HTTPServer, SimpleHTTPRequestHandler
from pathlib import Path
import typer
import yaml
from jinja2 import Template
from ruff.__main__ import find_ruff_bin
logging.basicConfig(level=logging.INFO)
mkdocs_name = "mkdocs.yml"
docs_path = Path("docs")
en_docs_path = Path("")
app = typer.Typer()
@app.callback()
def callback() -> None:
# For MacOS with Cairo
os.environ["DYLD_FALLBACK_LIBRARY_PATH"] = "/opt/homebrew/lib"
index_sponsors_template = """
{% if sponsors %}
{% for sponsor in sponsors.gold -%}
{% endfor -%}
{%- for sponsor in sponsors.silver -%}
{% endfor %}
{% endif %}
"""
def generate_readme_content() -> str:
en_index = en_docs_path / "docs" / "index.md"
content = en_index.read_text("utf-8")
match_pre = re.search(r"\n\n", content)
match_start = re.search(r"", content)
match_end = re.search(r"", content)
sponsors_data_path = en_docs_path / "data" / "sponsors.yml"
sponsors = yaml.safe_load(sponsors_data_path.read_text(encoding="utf-8"))
if not (match_start and match_end):
raise RuntimeError("Couldn't auto-generate sponsors section")
if not match_pre:
raise RuntimeError("Couldn't find pre section () in index.md")
frontmatter_end = match_pre.end()
pre_end = match_start.end()
post_start = match_end.start()
template = Template(index_sponsors_template)
message = template.render(sponsors=sponsors)
pre_content = content[frontmatter_end:pre_end]
post_content = content[post_start:]
new_content = pre_content + message + post_content
# Remove content between and
new_content = re.sub(
r".*?",
"",
new_content,
flags=re.DOTALL,
)
return new_content
@app.command()
def generate_readme() -> None:
"""
Generate README.md content from main index.md
"""
typer.echo("Generating README")
readme_path = Path("README.md")
new_content = generate_readme_content()
readme_path.write_text(new_content, encoding="utf-8")
@app.command()
def verify_readme() -> None:
"""
Verify README.md content from main index.md
"""
typer.echo("Verifying README")
readme_path = Path("README.md")
generated_content = generate_readme_content()
readme_content = readme_path.read_text("utf-8")
if generated_content != readme_content:
typer.secho(
"README.md outdated from the latest index.md", color=typer.colors.RED
)
raise typer.Abort()
typer.echo("Valid README ✅")
@app.command()
def live(dirty: bool = False) -> None:
"""
Serve the docs site with livereload, at http://127.0.0.1:8008.
"""
# Enable line numbers during local development to make it easier to highlight
args = ["zensical", "serve", "--dev-addr", "127.0.0.1:8008"]
if dirty:
args.append("--dirty")
subprocess.run(args, env={**os.environ, "LINENUMS": "true"}, check=True)
@app.command()
def build() -> None:
"""
Build the docs.
"""
print("Building docs")
subprocess.run(["zensical", "build"], check=True)
typer.secho("Successfully built docs", color=typer.colors.GREEN)
@app.command()
def serve() -> None:
"""
A quick server to preview a built site.
For development, prefer the command live (or just zensical serve).
This is here only to preview the documentation site.
Make sure you run the build command first.
"""
typer.echo("Warning: this is a very simple server.")
typer.echo("For development, use the command live instead.")
typer.echo("This is here only to preview the documentation site.")
typer.echo("Make sure you run the build command first.")
os.chdir("site")
server_address = ("", 8008)
server = HTTPServer(server_address, SimpleHTTPRequestHandler)
typer.echo("Serving at: http://127.0.0.1:8008")
server.serve_forever()
@app.command()
def generate_docs_src_versions_for_file(file_path: Path) -> None:
target_versions = ["py39", "py310"]
full_path_str = str(file_path)
for target_version in target_versions:
if f"_{target_version}" in full_path_str:
logging.info(
f"Skipping {file_path}, already a version file for {target_version}"
)
return
base_content = file_path.read_text(encoding="utf-8")
previous_content = {base_content}
for target_version in target_versions:
version_result = subprocess.run(
[
find_ruff_bin(),
"check",
"--target-version",
target_version,
"--fix",
"--unsafe-fixes",
"-",
],
input=base_content.encode("utf-8"),
capture_output=True,
)
content_target = version_result.stdout.decode("utf-8")
format_result = subprocess.run(
[find_ruff_bin(), "format", "-"],
input=content_target.encode("utf-8"),
capture_output=True,
)
content_format = format_result.stdout.decode("utf-8")
if content_format in previous_content:
continue
previous_content.add(content_format)
# Determine where the version label should go: in the parent directory
# name or in the file name, matching the source structure.
label_in_parent = False
for v in target_versions:
if f"_{v}" in file_path.parent.name:
label_in_parent = True
break
if label_in_parent:
parent_name = file_path.parent.name
for v in target_versions:
parent_name = parent_name.replace(f"_{v}", "")
new_parent = file_path.parent.parent / f"{parent_name}_{target_version}"
new_parent.mkdir(parents=True, exist_ok=True)
version_file = new_parent / file_path.name
else:
base_name = file_path.stem
for v in target_versions:
if base_name.endswith(f"_{v}"):
base_name = base_name[: -len(f"_{v}")]
break
version_file = file_path.with_name(f"{base_name}_{target_version}.py")
logging.info(f"Writing to {version_file}")
version_file.write_text(content_format, encoding="utf-8")
@app.command()
def generate_docs_src_versions() -> None:
"""
Generate Python version-specific files for all .py files in docs_src.
"""
docs_src_path = Path("docs_src")
for py_file in sorted(docs_src_path.rglob("*.py")):
generate_docs_src_versions_for_file(py_file)
@app.command()
def copy_py39_to_py310() -> None:
"""
For each docs_src file/directory with a _py39 label that has no _py310
counterpart, copy it with the _py310 label.
"""
docs_src_path = Path("docs_src")
# Handle directory-level labels (e.g. app_b_an_py39/)
for dir_path in sorted(docs_src_path.rglob("*_py39")):
if not dir_path.is_dir():
continue
py310_dir = dir_path.parent / dir_path.name.replace("_py39", "_py310")
if py310_dir.exists():
continue
logging.info(f"Copying directory {dir_path} -> {py310_dir}")
shutil.copytree(dir_path, py310_dir)
# Handle file-level labels (e.g. tutorial001_py39.py)
for file_path in sorted(docs_src_path.rglob("*_py39.py")):
if not file_path.is_file():
continue
# Skip files inside _py39 directories (already handled above)
if "_py39" in file_path.parent.name:
continue
py310_file = file_path.with_name(
file_path.name.replace("_py39.py", "_py310.py")
)
if py310_file.exists():
continue
logging.info(f"Copying file {file_path} -> {py310_file}")
shutil.copy2(file_path, py310_file)
@app.command()
def update_docs_includes_py39_to_py310() -> None:
"""
Update .md files in docs/en/ to replace _py39 includes with _py310 versions.
For each include line referencing a _py39 file or directory in docs_src, replace
the _py39 label with _py310.
"""
include_pattern = re.compile(r"\{[^}]*docs_src/[^}]*_py39[^}]*\.py[^}]*\}")
count = 0
for md_file in sorted(en_docs_path.rglob("*.md")):
content = md_file.read_text(encoding="utf-8")
if "_py39" not in content:
continue
new_content = include_pattern.sub(
lambda m: m.group(0).replace("_py39", "_py310"), content
)
if new_content != content:
md_file.write_text(new_content, encoding="utf-8")
count += 1
logging.info(f"Updated includes in {md_file}")
print(f"Updated {count} file(s) ✅")
@app.command()
def remove_unused_docs_src() -> None:
"""
Delete .py files in docs_src that are not included in any .md file under docs/.
"""
docs_src_path = Path("docs_src")
# Collect all docs .md content referencing docs_src
all_docs_content = ""
for md_file in docs_path.rglob("*.md"):
all_docs_content += md_file.read_text(encoding="utf-8")
# Build a set of directory-based package roots (e.g. docs_src/bigger_applications/app_py39)
# where at least one file is referenced in docs. All files in these directories
# should be kept since they may be internally imported by the referenced files.
used_package_dirs: set[Path] = set()
for py_file in docs_src_path.rglob("*.py"):
if py_file.name == "__init__.py":
continue
rel_path = str(py_file)
if rel_path in all_docs_content:
parts = py_file.relative_to(docs_src_path).parts
if len(parts) > 2 and not py_file.name.startswith("tutorial"):
# File is inside a package directory (e.g.
# docs_src/tutorial/fastapi/app_testing/tutorial001_py310/).
# Mark the immediate parent as a used package so sibling
# files (likely imported by the referenced file) are kept.
used_package_dirs.add(py_file.parent)
removed = 0
for py_file in sorted(docs_src_path.rglob("*.py")):
if py_file.name == "__init__.py":
continue
# Build the relative path as it appears in includes (e.g. docs_src/first_steps/tutorial001.py)
rel_path = str(py_file)
if rel_path in all_docs_content:
continue
# If this file is inside a directory-based package where any sibling is
# referenced, keep it (it's likely imported internally).
if py_file.parent in used_package_dirs:
continue
# Check if the _an counterpart (or non-_an counterpart) is referenced.
# If either variant is included, keep both.
# Handle both file-level _an (tutorial001_an.py) and directory-level _an
# (app_an/main.py)
counterpart_found = False
full_path_str = str(py_file)
if "_an" in py_file.stem:
# This is an _an file, check if the non-_an version is referenced
counterpart = full_path_str.replace(
f"/{py_file.stem}", f"/{py_file.stem.replace('_an', '', 1)}"
)
if counterpart in all_docs_content:
counterpart_found = True
else:
# This is a non-_an file, check if there's an _an version referenced
# Insert _an before any version suffix or at the end of the stem
stem = py_file.stem
for suffix in ("_py39", "_py310"):
if suffix in stem:
an_stem = stem.replace(suffix, f"_an{suffix}", 1)
break
else:
an_stem = f"{stem}_an"
counterpart = full_path_str.replace(f"/{stem}.", f"/{an_stem}.")
if counterpart in all_docs_content:
counterpart_found = True
# Also check directory-level _an counterparts
if not counterpart_found:
parent_name = py_file.parent.name
if "_an" in parent_name:
counterpart_parent = parent_name.replace("_an", "", 1)
counterpart_dir = str(py_file).replace(
f"/{parent_name}/", f"/{counterpart_parent}/"
)
if counterpart_dir in all_docs_content:
counterpart_found = True
else:
# Try inserting _an into parent directory name
for suffix in ("_py39", "_py310"):
if suffix in parent_name:
an_parent = parent_name.replace(suffix, f"_an{suffix}", 1)
break
else:
an_parent = f"{parent_name}_an"
counterpart_dir = str(py_file).replace(
f"/{parent_name}/", f"/{an_parent}/"
)
if counterpart_dir in all_docs_content:
counterpart_found = True
if counterpart_found:
continue
logging.info(f"Removing unused file: {py_file}")
py_file.unlink()
removed += 1
# Clean up directories that are empty or only contain __init__.py / __pycache__
for dir_path in sorted(docs_src_path.rglob("*"), reverse=True):
if not dir_path.is_dir():
continue
remaining = [
f
for f in dir_path.iterdir()
if f.name != "__pycache__" and f.name != "__init__.py"
]
if not remaining:
logging.info(f"Removing empty/init-only directory: {dir_path}")
shutil.rmtree(dir_path)
print(f"Removed {removed} unused file(s) ✅")
if __name__ == "__main__":
app()