hgbook: examples/hg-interdiff annotate

hgbook

Generate a nice readable index.

author	Bryan O'Sullivan <bos@serpentine.com>
date	Fri Mar 27 00:41:15 2009 -0700 (2009-03-27)
parents	ba2334e2ba9a
children

rev	line source
bos@106	1 #!/usr/bin/env python
bos@106	2 #
bos@106	3 # Adapter for using interdiff with mercurial's extdiff extension.
bos@127	4 #
bos@106	5 # Copyright 2006 Bryan O'Sullivan <bos@serpentine.com>
bos@127	6 #
bos@127	7 # This software may be used and distributed according to the terms of
bos@127	8 # the GNU General Public License, incorporated herein by reference.
bos@106	9
bos@106	10 import os, sys
bos@106	11
bos@106	12 def walk(base):
bos@106	13 # yield all non-directories below the base path.
bos@106	14 for root, dirs, files in os.walk(base):
bos@106	15 for f in files:
bos@106	16 path = os.path.join(root, f)
bos@106	17 yield path[len(base)+1:], path
njriley@286	18 else:
njriley@286	19 if os.path.isfile(base):
njriley@286	20 yield '', base
bos@106	21
bos@106	22 # create list of unique file names under both directories.
bos@106	23 files = dict(walk(sys.argv[1]))
bos@106	24 files.update(walk(sys.argv[2]))
bos@106	25 files = files.keys()
bos@106	26 files.sort()
bos@106	27
bos@106	28 def name(base, f):
njriley@286	29 if f:
njriley@286	30 path = os.path.join(base, f)
njriley@286	31 else:
njriley@286	32 path = base
bos@106	33 # interdiff requires two files; use /dev/null if one is missing.
bos@106	34 if os.path.exists(path):
bos@106	35 return path
bos@106	36 return '/dev/null'
bos@106	37
bos@106	38 ret = 0
bos@106	39
bos@106	40 for f in files:
bos@106	41 if os.system('interdiff "%s" "%s"' % (name(sys.argv[1], f),
bos@106	42 name(sys.argv[2], f))):
bos@106	43 ret = 1
bos@106	44
bos@106	45 sys.exit(ret)