1 #!/usr/bin/env python -tt
2 # -*- coding: iso-8859-1 -*-
5 # This file is part of LyX, the document processor.
6 # Licence details can be found in the file COPYING.
8 # \author Angus Leeming
11 # Full author contact details are available in file CREDITS
14 # fig_copy.py <from file> <to file>
16 # This script will copy an XFIG .fig file "$1" to "$2". In the process,
17 # it will modify the contents of the .fig file so that the names of any
18 # picture files that are stored as relative paths are replaced
19 # with the absolute path.
23 if len(sys.argv) != 3:
24 print >> sys.stderr, "Usage: fig_copy.sh <from file> <to file>"
27 if not os.path.isfile(sys.argv[1]):
28 print >> sys.stderr, "Unable to read", sys.argv[1]
31 from_dir = os.path.split(os.path.realpath(sys.argv[1]))[0]
32 to_dir = os.path.split(os.path.realpath(sys.argv[2]))[0]
34 # The work is trivial if "to" and "from" are in the same directory.
35 if from_dir == to_dir:
38 shutil.copy(sys.argv[1], sys.argv[2])
43 # Ok, they're in different directories. The .fig file must be modified.
46 # We're looking for a line of text that defines an entry of
47 # type '2' (a polyline), subtype '5' (an external picture file).
48 # The line has 14 other data fields.
49 patternline = re.compile(r'^\s*2\s+5(\s+[0-9.+-]+){14}\s*$')
50 emptyline = re.compile(r'^\s*$')
51 commentline = re.compile(r'^\s*#.*$')
52 # we allow space in path name
53 figureline = re.compile(r'^(\s*[01]\s*)(\S[\S ]*)(\s*)$')
55 input = open(sys.argv[1], 'r')
56 output = open(sys.argv[2], 'w')
58 # path in the fig is relative to this path
62 for line in input.xreadlines():
63 if found and not emptyline.match(line) and not commentline.match(line):
64 # The contents of the final line containing the file name
65 # are ' X <file name>', where X = 0 or 1.
66 # We extract filename and replace it with the absolute filename.
67 (pre, path, post) = figureline.match(line).groups()
68 line = pre + os.path.realpath(path) + post
70 elif patternline.match(line):
72 print >> output, line,