diff-lang-mappings

#!/usr/bin/python -B
# -*- coding: utf-8 -*-
import colour
import sys
import imp


def main():
    charmaps = {}
    for i, fn in enumerate(sys.argv[1:]):
        m = imp.load_source('m%d' % i, fn)
        charmaps[fn] = set(m.charmap.items())

    common = charmaps[sys.argv[1]].copy()
    common_keys = set(k for k, v in common)
    common_values = set(v for k, v in common)
    for fn in sys.argv[2:]:
        m = charmaps[fn]
        common &= m
        common_keys &= set(k for k, v in m)
        common_values &= set(v for k, v in m)

    for fn in sys.argv[1:]:
        m = charmaps[fn]
        unique = m - common
        keys = set(k for k, v in m)
        values = set(v for k, v in m)
        unique_keys = keys - common_keys
        unique_values = values - common_values
        colour.print_RED(fn)
        for k, v in unique:
            if k in unique_keys:
                ck = colour.YELLOW
            else:
                ck = ''
            if v in unique_values:
                cv = colour.GREEN
            else:
                cv = ''
            print "   %s%9r%s : %s%9r%s" % (ck, k, colour.C_NORMAL,
                                            cv, v, colour.C_NORMAL)

        print "unique values:"
        print ',  '.join(v for v in unique_values)
        print

main()