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#!/usr/bin/env python3
import json
import re
import sys
from pathlib import Path
# Use this script by piping the output of clippy into it:
# > cargo clippy --workspace --all-features --all-targets --message-format=json -- -W unreachable_pub | python scripts/fix-unreachable-pub.py
#
# You might have to run this in a loop as restricting the visibility of one item can trigger the warning for another item.
def fix_unreachable_pub_warning(warning):
file_path = Path(warning["spans"][0]["file_name"])
try:
line = warning["spans"][0]["line_start"]
# Don't modify generated code
if "generated" in str(file_path):
return
with file_path.open() as f:
lines = f.readlines()
pub_pattern = re.compile(r"(\s*)pub(\s)(.*)")
match = pub_pattern.match(lines[line - 1])
if match:
indentation = match.group(1)
space = match.group(2)
rest_of_line = match.group(3)
lines[line - 1] = f"{indentation}pub(crate){space}{rest_of_line}"
with file_path.open("w") as f:
f.writelines(lines)
except Exception as e:
print(f"Failed to apply suggestion in {file_path}: {e}")
def main():
for line in sys.stdin:
# Ignore other compiler messages
if "unreachable_pub" not in line:
continue
warning = json.loads(line.strip())
# Don't modify code that is not in the current workspace
if str(Path.cwd()) not in str(warning['target']['src_path']):
return
m = warning["message"]
if m is None:
continue
code = m['code']
if code is None:
continue
fix_unreachable_pub_warning(m)
if __name__ == "__main__":
main()
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