| import os |
| import re |
| import sys |
| |
| def check_encoding(encoding, scan_dir, regex_pattern): |
| fname = None |
| try: |
| assert encoding in ['ascii', 'utf-8'], "unexpected encoding" |
| cmp = re.compile(regex_pattern) |
| for root, dirs, files in os.walk(scan_dir): |
| fname = root |
| cmp_list = [f for f in files if cmp.search(f) is not None] |
| for f in cmp_list: |
| fname = os.path.join(root, f) |
| with open(fname, mode='rb') as test_file: |
| btext = test_file.read() |
| # check encoding |
| btext.decode(encoding=encoding, errors="strict") |
| if encoding == "utf-8" and btext.startswith(b'\xEF\xBB\xBF'): |
| raise ValueError("unexpected BOM in file") |
| # check LF line endings |
| LF = btext.count(b'\n') |
| CR = btext.count(b'\r') |
| if CR!=0: |
| raise ValueError("invalid line endings: LF({})/CR({})".format(LF, CR)) |
| except Exception as err: |
| print("ERROR with [{}]: {}".format(fname, err)) |
| return -1 |
| else: |
| return 0 |
| |
| if __name__ == "__main__": |
| # python check-sources.sh.py 'ascii' '.' '.*\.(cpp|h)$' |
| res = check_encoding(sys.argv[1], sys.argv[2], sys.argv[3]) |
| sys.exit(0 if res == 0 else -1) |
