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"""
Check that the rev value in the example from ``the_basics.md`` matches
the latest version of Black. This saves us from forgetting to update that
during the release process.
"""
import os
import sys
import commonmark
from bs4 import BeautifulSoup
def main(changes: str, the_basics: str) -> None:
changes_html = commonmark.commonmark(changes)
changes_soup = BeautifulSoup(changes_html, "html.parser")
headers = changes_soup.find_all("h2")
tags = [header.string for header in headers if header.string != "Unreleased"]
latest_tag = tags[0]
the_basics_html = commonmark.commonmark(the_basics)
the_basics_soup = BeautifulSoup(the_basics_html, "html.parser")
version_examples = [
code_block.string
for code_block in the_basics_soup.find_all(class_="language-console")
if "$ black --version" in code_block.string # type: ignore[operator]
]
for tag in tags:
for version_example in version_examples:
if tag in version_example and tag != latest_tag: # type: ignore[operator]
print(
"Please set the version in the ``black --version`` "
"examples from ``the_basics.md`` to be the latest one.\n"
f"Expected {latest_tag}, got {tag}.\n"
)
sys.exit(1)
if __name__ == "__main__":
with open("CHANGES.md", encoding="utf-8") as fd:
changes = fd.read()
with open(
os.path.join("docs", "usage_and_configuration", "the_basics.md"),
encoding="utf-8",
) as fd:
the_basics = fd.read()
main(changes, the_basics)
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