Generate QR code from Shadowsocks config json

ssqr

#!/usr/bin/env python

from __future__ import print_function

from sh import qrencode
import base64
import json
import sys


def main():
    if len(sys.argv) < 2:
        print("Not enough arguments", file=sys.stderr)
        exit(1)

    try:
        args = json.load(open(sys.argv[1]))
        result = "%(method)s:%(password)s@%(server)s:%(server_port)d" % args
        result = base64.b64encode(result.encode('ascii')).decode('ascii')
        result = "ss://" + result
        qrencode('-t', 'utf8', result)
    except IOError as ex:
        print("Error opening file:", ex.strerror, file=sys.stderr)
    except ValueError as ex:
        print("Invalid file content:", ex.strerror, file=sys.stderr)


if __name__ == '__main__':
    main()