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line-length.py
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40 lines (28 loc) · 1.04 KB
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#!/usr/bin/env python
"""Measure line length in given files, run as:
python line-length.py *.po
It does not count zero-width caracters from the Mn Unicode category
(Nonspacing Mark).
It returns 0 on success, 1 on failure.
"""
from unicodedata import category
import fileinput
import sys
SOFT_LIMIT = 80 # used for splitables lines (with spaces in them)
HARD_LIMIT = 88 # used for non-splitables lines (without spaces in them)
def clean(line):
return "".join(char for char in line if category(char) != "Mn").rstrip("\n")
return_code = 0
for line in fileinput.input(encoding="utf-8"):
line = clean(line)
limit = SOFT_LIMIT if line.count(" ") > 1 else HARD_LIMIT
if len(set(line)) <= 6:
continue # msgcat does not wraps the long line of dots in howto/perf_profiling.rst
if len(line) > limit:
print(
f"{fileinput.filename()}:{fileinput.filelineno()} line too long "
f"({len(line)} > {limit} characters)",
file=sys.stderr,
)
return_code = 1
sys.exit(return_code)