kumquat-buildroot/support/scripts/check-uniq-files
Yann E. MORIN 5563a1c6a4 support/check-uniq-files: support weird locales and filenames
Currently, when a filename contains characters not representable in the
user's locale, we fail hard, especially when the host python is python3.

This is because python2 and python3 handle encoding/decoding strings
differently, with python3 presumable doing the right thing, but it
breaks on some systems, while python2 presumable does the wrong thing,
but it works everywhere. (Just joking, obviously...)

Part of the issue being that the csv reader in python2 is broken with
UTF8.

We fix the issue by ditching the csv reader, and simply read the file in
binary mode, manually partitioning the lines on the first comma.

Then, we use the binary-encoded (really, un-encoded) package names and
filenames as values and keys, respectively.

Finally, for each filename or package we need to print, we try to decode
them with the defaults for the user settings, but catch any decoding
exception and fall back to dumping the raw, binary values. Which codec
is used by default differs between Python version, but in all cases
something sane is printed at least.

Thanks a lot to Arnout for the live help doing this patch. :-)

Reported-by: Jaap Crezee <jaap@jcz.nl>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Jaap Crezee <jaap@jcz.nl>
[Arnout: commit log improvement]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2018-03-31 15:32:00 +02:00

50 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python
import sys
import csv
import argparse
from collections import defaultdict
warn = 'Warning: {0} file "{1}" is touched by more than one package: {2}\n'
def main():
parser = argparse.ArgumentParser()
parser.add_argument('packages_file_list', nargs='*',
help='The packages-file-list to check from')
parser.add_argument('-t', '--type', metavar="TYPE",
help='Report as a TYPE file (TYPE is either target, staging, or host)')
args = parser.parse_args()
if not len(args.packages_file_list) == 1:
sys.stderr.write('No packages-file-list was provided.\n')
return False
if args.type is None:
sys.stderr.write('No type was provided\n')
return False
file_to_pkg = defaultdict(list)
with open(args.packages_file_list[0], 'rb') as pkg_file_list:
for line in pkg_file_list.readlines():
pkg, _, file = line.rstrip(b'\n').partition(b',')
file_to_pkg[file].append(pkg)
for file in file_to_pkg:
if len(file_to_pkg[file]) > 1:
# If possible, try to decode the binary strings with
# the default user's locale
try:
sys.stderr.write(warn.format(args.type, file.decode(),
[p.decode() for p in file_to_pkg[file]]))
except UnicodeDecodeError:
# ... but fallback to just dumping them raw if they
# contain non-representable chars
sys.stderr.write(warn.format(args.type, file,
file_to_pkg[file]))
if __name__ == "__main__":
sys.exit(main())