99 lines
3.7 KiB
Python

# Modified from: https://github.com/kai687/sphinxawesome-codelinter
import tempfile
from typing import AbstractSet, Any, Iterable
from docutils import nodes
from sphinx.application import Sphinx
from sphinx.builders import Builder
from sphinx.util import logging
from sphinx.util.console import darkgreen, darkred, red, teal, faint # type: ignore[attr-defined]
from pygments import highlight # type: ignore
from pygments.lexers import PythonLexer
from pygments.formatters import TerminalFormatter
logger = logging.getLogger(__name__)
__version__ = "0.1.0"
class CodeLinter(Builder):
"""Iterate over all ``literal_block`` nodes.
pipe them into any command line tool that
can read from standard input.
"""
name = "code_lint"
allow_parallel = True
def init(self) -> None:
"""Initialize."""
self._had_errors = False
pass
def get_outdated_docs(self) -> str | Iterable[str]:
"""Check for outdated files.
Return an iterable of outdated output files, or a string describing what an
update will build.
"""
return self.env.found_docs
def get_target_uri(self, docname: str, typ: str | None = None) -> str:
"""Return Target URI for a document name."""
return ""
def prepare_writing(self, docnames: AbstractSet[str]) -> None:
"""Run these steps before documents are written."""
return
def write_doc(self, docname: str, doctree: nodes.Node) -> None:
path_prefix: str = self.app.config.code_lint_path_prefix
supported_languages = set(["python", "default"])
if not docname.startswith(path_prefix):
return
for code in doctree.findall(nodes.literal_block):
if code["language"] in supported_languages:
logger.info("Checking a code block in %s...", docname, nonl=True)
if "ignore" in code["classes"]:
logger.info(" " + darkgreen("OK[ignored]"))
continue
# Create a temporary file to store the code block
with tempfile.NamedTemporaryFile(mode="wb", suffix=".py") as temp_file:
temp_file.write(code.astext().encode())
temp_file.flush()
# Run pyright on the temporary file using subprocess.run
import subprocess
result = subprocess.run(["pyright", temp_file.name], capture_output=True, text=True)
if result.returncode != 0:
logger.info(" " + darkred("FAIL"))
highlighted_code = highlight(code.astext(), PythonLexer(), TerminalFormatter()) # type: ignore
output = f"{faint('========================================================')}\n{red('Error')}: Pyright found issues in {teal(docname)}:\n{faint('--------------------------------------------------------')}\n{highlighted_code}\n{faint('--------------------------------------------------------')}\n\n{teal('pyright output:')}\n{red(result.stdout)}{faint('========================================================')}\n"
logger.info(output)
self._had_errors = True
else:
logger.info(" " + darkgreen("OK"))
def finish(self) -> None:
"""Finish the build process."""
if self._had_errors:
raise RuntimeError("Code linting failed - see earlier output")
def setup(app: Sphinx) -> dict[str, Any]:
app.add_builder(CodeLinter)
app.add_config_value("code_lint_path_prefix", "", "env")
return {
"version": __version__,
"parallel_read_safe": True,
"parallel_write_safe": True,
}