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#!/usr/bin/env python
# vim: sts=4 sw=4 et
import os, sys
try:
from os.path import relpath
except:
def relpath(path, start=os.path.curdir):
"""Return a relative version of a path"""
if not path:
raise ValueError("no path specified")
start_list = os.path.abspath(start).split(os.path.sep)
path_list = os.path.abspath(path).split(os.path.sep)
# Work out how much of the filepath is shared by start and path.
i = len(os.path.commonprefix([start_list, path_list]))
rel_list = [os.path.pardir] * (len(start_list)-i) + path_list[i:]
if not rel_list:
return os.path.curdir
return os.path.join(*rel_list)
path = '.'
if len(sys.argv) < 3:
sys.stderr.write("Usage: %s links.db link [path]\n" % sys.argv[0])
sys.exit(1)
if not sys.argv[1]:
sys.exit(0)
links = {}
for l in open(sys.argv[1]):
l = l.split('\t', 1)
if len(l) != 2:
continue
links[l[0]] = l[1].strip()
if len(sys.argv) > 3:
path = sys.argv[3]
l = sys.argv[2]
if l in links:
print relpath(links[l] + '.html', path)
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