1 # -*- coding: utf-8 -*-
4 # This file is part of LyX, the document processor.
5 # Licence details can be found in the file COPYING.
7 # \author Angus Leeming
10 # Full author contact details are available in file CREDITS
13 # fig_copy.py <from file> <to file>
15 # This script will copy an XFIG .fig file "$1" to "$2". In the process,
16 # it will modify the contents of the .fig file so that the names of any
17 # picture files that are stored as relative paths are replaced
18 # with the absolute path.
22 if len(sys.argv) != 3:
23 print >> sys.stderr, "Usage: fig_copy.py <from file> <to file>"
26 if not os.path.isfile(sys.argv[1]):
27 print >> sys.stderr, "Unable to read", sys.argv[1]
30 from_dir = os.path.split(os.path.realpath(sys.argv[1]))[0]
31 to_dir = os.path.split(os.path.realpath(sys.argv[2]))[0]
33 # The work is trivial if "to" and "from" are in the same directory.
34 if from_dir == to_dir:
37 shutil.copy(sys.argv[1], sys.argv[2])
42 # Ok, they're in different directories. The .fig file must be modified.
45 # We're looking for a line of text that defines an entry of
46 # type '2' (a polyline), subtype '5' (an external picture file).
47 # The line has 14 other data fields.
48 patternline = re.compile(r'^\s*2\s+5(\s+[0-9.+-]+){14}\s*$')
49 emptyline = re.compile(r'^\s*$')
50 commentline = re.compile(r'^\s*#.*$')
51 # we allow space in path name
52 figureline = re.compile(r'^(\s*[01]\s*)(\S[\S ]*)(\s*)$')
54 input = open(sys.argv[1], 'r')
55 output = open(sys.argv[2], 'w')
57 # path in the fig is relative to this path
62 if found and not emptyline.match(line) and not commentline.match(line):
63 # The contents of the final line containing the file name
64 # are ' X <file name>', where X = 0 or 1.
65 # We extract filename and replace it with the absolute filename.
66 (pre, path, post) = figureline.match(line).groups()
67 line = pre + os.path.realpath(path) + post
69 elif patternline.match(line):
71 print >> output, line,