#!/usr/bin/env python

import sys

deb2gen = dict()
gen2deb = dict()
with open("./deb2gen_mapping.list") as f:
    for line in f:
        d, g = line.strip().split('\t')
        deb2gen[d] = g
        gen2deb[g] = d

with open("./deb_source_pkgs.list") as f:
    debian_names = [p[4:].strip() for p in f]

with open("./gen_source_pkgs.list") as f:
    gentoo_names = [p.strip() for p in f]

for p in debian_names:
    # if mapping exists, continue
    orig = p
    if deb2gen.get(p):
        continue
    # first try exact match
    matches = [g for g in gentoo_names if p == g.split('/')[-1]]
    if matches:
        print "%s\t%s"%(orig, matches[0])
        continue
    # then try substring matches
    # remove '-perl' prefix
    if p.endswith("-perl"):
        p = p[:-5]
    # remove 'python-' suffix
    if p.startswith("python-"):
        p = p[7:]
    # remove 'lib' suffix
    if p.startswith("lib"):
        p = p[3:]
    # remove dashes, dots and numbers from the end of the package name
    p = p.rstrip(".-1234567890")
    matches = [g for g in gentoo_names if p in g.split('/')[-1].lower()]
    if matches:
        print "%s\t%s"%(orig, str(matches))
        continue
    # we give up and print the debian source package name that was not matched
    print orig