annotate python/relativelink.py @ 333:998d3c276b25

http://askubuntu.com/questions/168117/how-to-automatically-add-meta-tags-to-screenshot?rq=1
author Jeff Hammel <jhammel@mozilla.com>
date Tue, 18 Jun 2013 14:44:14 -0700
parents 09c10061838c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
142
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
1 #!/usr/bin/env python
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
2
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
3 def link(path_info, path=None):
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
4
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
5 segments = path_info.split('/')
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
6 if segments[0]:
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
7 segments.insert(0, '')
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
8
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
9 if len(segments) <3:
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
10 if not path or path == '/':
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
11 return './'
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
12 return path
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
13
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
14 nlayers = len(segments[2:])
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
15 string = '../' * nlayers
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
16
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
17 if not path or path == '/':
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
18 return string
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
19 return string + path
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
20
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
21 if __name__ == '__main__':
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
22 import sys
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
23 assert len(sys.argv[1:]) == 2, "need two arguments"
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
24 path_info, path = sys.argv[1:]
09c10061838c add a program to create relative links
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
25 print link(path_info, path)