rust-clippy/util/update_wiki.py

95 lines
2.6 KiB
Python
Executable file

#!/usr/bin/env python
# Generate the wiki Home.md page from the contained doc comments
# requires the checked out wiki in ../rust-clippy.wiki/
# with -c option, print a warning and set exit status 1 if the file would be
# changed.
import re
import sys
from lintlib import log, parse_all
PREFIX = """Welcome to the rust-clippy wiki!
Here we aim to collect further explanations on the lints clippy provides. So \
without further ado:
"""
WARNING = """
# A word of warning
Clippy works as a *plugin* to the compiler, which means using an unstable \
internal API. We have gotten quite good at keeping pace with the API \
evolution, but the consequence is that clippy absolutely needs to be compiled \
with the version of `rustc` it will run on, otherwise you will get strange \
errors of missing symbols.
"""
TEMPLATE = """\n# `%s`
**Default level:** %s
%s"""
CONF_TEMPLATE = """
**Configuration:** This lint has the following configuration variables:
* `%s: %s`: %s (defaults to `%s`).
"""
def level_message(level):
if level == "Deprecated":
return "\n**Those lints are deprecated**:\n\n"
else:
return "\n**Those lints are %s by default**:\n\n" % level
def write_wiki_page(lints, configs, filepath):
lints.sort()
with open(filepath, "w") as fp:
fp.write(PREFIX)
for level in ('Deny', 'Warn', 'Allow', 'Deprecated'):
fp.write(level_message(level))
for lint in lints:
if lint.level == level:
fp.write("[`%s`](#%s)\n" % (lint.name, lint.name))
fp.write(WARNING)
for lint in lints:
fp.write(TEMPLATE % (lint.name, lint.level, "".join(lint.doc)))
if lint.name in configs:
fp.write(CONF_TEMPLATE % configs[lint.name])
def check_wiki_page(lints, configs, filepath):
lintdict = dict((lint.name, lint) for lint in lints)
errors = False
with open(filepath) as fp:
for line in fp:
m = re.match("# `([a-z_0-9]+)`", line)
if m:
v = lintdict.pop(m.group(1), None)
if v is None:
log.error("Spurious wiki entry: %s", m.group(1))
errors = True
for n in sorted(lintdict):
log.error("Missing wiki entry: %s", n)
errors = True
if errors:
return 1
def main():
lints, configs = parse_all()
if "-c" in sys.argv:
check_wiki_page(lints, configs, "../rust-clippy.wiki/Home.md")
else:
write_wiki_page(lints, configs, "../rust-clippy.wiki/Home.md")
if __name__ == "__main__":
main()