lib/scripts/prefs2prefs_prefs.py

   1 #! /usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 # file prefs2prefs-lfuns.py
   5 # This file is part of LyX, the document processor.
   6 # Licence details can be found in the file COPYING.
   7
   8 # author Richard Heck
   9
  10 # Full author contact details are available in file CREDITS
  11
  12 # This file houses conversion information for the preferences file.
  13
  14 # The converter functions take a line as argument and return a list:
  15 #       (Bool, NewLine),
  16 # where the Bool says if  we've modified anything and the NewLine is
  17 # the new line, if so, which will be used to replace the old line.
  18
  19
  20 ###########################################################
  21 #
  22 # Conversion chain
  23
  24 def simple_renaming(line, old, new):
  25         if line.find(old) == -1:
  26                 return no_match
  27         line = line.replace(old, new)
  28         return (True, line)
  29
  30 no_match = (False, [])
  31
  32 ########################
  33 ### Format 1 conversions
  34
  35 def remove_obsolete(line):
  36         tags = ("\\use_tempdir", "\\spell_command", "\\personal_dictionary",
  37                                 "\\plaintext_roff_command", "\\use_alt_language",
  38                                 "\\use_escape_chars", "\\use_input_encoding",
  39                                 "\\use_personal_dictionary", "\\use_pspell",
  40                                 "\\use_spell_lib")
  41         line = line.lstrip()
  42         for tag in tags:
  43                 if line.startswith(tag):
  44                         return (True, "")
  45         return no_match
  46
  47 def language_use_babel(line):
  48         if not line.startswith("\language_use_babel"):
  49                 return no_match
  50         re_lub = re.compile(r'^\\language_use_babel\s+(true|false)')
  51         m = re_lub.match(line)
  52         val = m.group(1)
  53         newval = '0'
  54         if val == 'false':
  55                 newval = '3'
  56         newline = "\\language_package_selection " + newval
  57         return (True, newline)
  58
  59 def language_package(line):
  60         return simple_renaming(line, "\\language_package", "\\language_custom_package")
  61
  62
  63 ########################
  64
  65
  66 conversions = [
  67         [ # this will be a long list of conversions for format 0
  68                 remove_obsolete,
  69                 language_use_babel,
  70                 language_package
  71         ] # end conversions for format 0
  72 ]