+#! /usr/bin/env python
+# Copyright (C) 2002 José Matos <jamatos@lyx.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+import getopt, sys, string, re
+from error import error, warning
+from parser_tools import set_format
+
+version = "0.0.2"
+
+# Allow the dummy object to be able to carry related data
+# like a C struct
+class struct:
+ pass
+
+# options object, with default values
+opt = struct()
+
+opt.output = sys.stdout
+opt.input = sys.stdin
+opt.start = None
+opt.end = None
+opt.quiet = 0
+
+format = re.compile(r"(\d)[\.,]?(\d\d)")
+fileformat = re.compile(r"\\lyxformat\s*(\S*)")
+lst_ft = ["210", "215", "216", "217", "218", "220"]
+format_name = {"210" : "2.10", "215":"2.15", "216": "2.16",
+ "217" : "2.17", "218":"218" , "220":"220"}
+def usage():
+ print """Usage: lyx2lyx [options] file1
+Convert old lyx file <file1> to newer format.
+Options:
+ -h, --help this information
+ -v, --version output version information and exit
+ -l, --list list all available formats
+ -d, --debug level level=0..2 (O_ no debug information,2_verbose)
+ default: level=1
+ -f, --from version initial version (optional)
+ -t, --to version final version (optional)
+ -o, --output name name of the output file or else goes to stdout
+ -q, --quiet same as --debug=0"""
+
+
+def parse_options(argv):
+ _options = ["help", "version", "list", "from=", "to=", "output=", "quiet"]
+ try:
+ opts, args = getopt.getopt(argv[1:], "f:hlo:qt:v", _options)
+ except getopt.error:
+ usage()
+ sys.exit(2)
+
+ for o, a in opts:
+ if o in ("-h", "--help"):
+ usage()
+ sys.exit()
+ if o in ("-v", "--version"):
+ print "lyxconvert, version %s" %(version)
+ print "Copyright (C) 2002 LyX Team"
+ sys.exit()
+ if o in ("-d", "--debug"):
+ opt.debug = int(a)
+ if o in ("-q", "--quiet"):
+ opt.debug = 0
+ if o in ("-l", "--list"):
+ print lst_ft
+ sys.exit()
+ if o in ("-o", "--output"):
+ opt.output = open(a, "w")
+ if o in ("-f", "--from"):
+ opt.start = lyxformat(a)
+ if o in ("-t", "--to"):
+ opt.end = lyxformat(a)
+
+ if not opt.end:
+ opt.end = lst_ft[len(lst_ft)-1]
+
+ if opt.start and opt.start == opt.end:
+ sys.stderr.write(error.same_format)
+ sys.exit()
+
+ if opt.start > opt.end:
+ sys.stderr.write(error.newer_format)
+ sys.exit(1)
+
+ if args:
+ opt.input = open(args[0])
+
+def lyxformat(fmt):
+ result = format.match(fmt)
+ if result:
+ fmt = result.group(1)+result.group(2)
+ else:
+ sys.stderr.write(fmt + ": " + error.invalid_format)
+ sys.exit(2)
+ if fmt not in lst_ft:
+ sys.stderr.write(fmt + ": " + error.format_not_supported)
+ sys.exit(1)
+ return fmt
+
+def read_file(file, header, body):
+ """Reads a file into the header and body parts"""
+ fmt = None
+ while 1:
+ line = file.readline()
+ if not line:
+ sys.stderr.write(error.invalid_file)
+ sys.exit(3)
+
+ line = line[:-1]
+ if not line:
+ break
+
+ header.append(line)
+ result = fileformat.match(line)
+ if result:
+ fmt = lyxformat(result.group(1))
+
+ while 1:
+ line = file.readline()
+ if not line:
+ break
+ body.append(line[:-1])
+
+ if not fmt:
+ sys.stderr.write(error.invalid_file)
+ sys.exit(3)
+ return fmt
+
+def write_file(file, header, body):
+ for line in header:
+ file.write(line+"\n")
+ file.write("\n")
+ for line in body:
+ file.write(line+"\n")
+
+def main(argv):
+ parse_options(argv)
+
+ header, body = [], []
+ fmt = read_file(opt.input, header, body)
+
+ if opt.start:
+ if opt.start != fmt:
+ print warning.dont_match + ":", opt.start, fmt
+ else:
+ opt.start = fmt
+
+ # Convertion chain
+ start = lst_ft.index(opt.start)
+ end = lst_ft.index(opt.end)
+
+ for fmt in lst_ft[start:end]:
+ __import__("lyxconvert_" + fmt).convert(header,body)
+
+ set_format(header,format_name[opt.end])
+ write_file(opt.output, header, body)
+
+if __name__ == "__main__":
+ main(sys.argv)