buildscripts/texi-langutils.py

   1 #!@PYTHON@
   2 # texi-langutils.py
   3
   4 # WARNING: this script can't find files included in a different directory
   5
   6 import sys
   7 import re
   8 import getopt
   9 import os
  10
  11 import langdefs
  12
  13 def read_pipe (command):
  14     print command
  15     pipe = os.popen (command)
  16     output = pipe.read ()
  17     if pipe.close ():
  18         print "pipe failed: %(command)s" % locals ()
  19     return output
  20
  21
  22 optlist, texi_files = getopt.getopt(sys.argv[1:],'no:d:b:i:l:',['skeleton', 'gettext'])
  23 process_includes = not ('-n', '') in optlist # -n   don't process @include's in texinfo files
  24
  25 make_gettext = ('--gettext', '') in optlist   # --gettext    generate a node list from a Texinfo source
  26 make_skeleton = ('--skeleton', '') in optlist # --skeleton   extract the node tree from a Texinfo source
  27
  28 output_file = 'doc.pot'
  29
  30 # @untranslated should be defined as a macro in Texinfo source
  31 node_blurb = '''@untranslated
  32 '''
  33 doclang = ''
  34 head_committish = read_pipe ('git-rev-parse HEAD')
  35 intro_blurb = '''@c -*- coding: utf-8; mode: texinfo%(doclang)s -*-
  36 @c This file is part of %(topfile)s
  37 @ignore
  38     Translation of GIT committish: %(head_committish)s
  39     When revising a translation, copy the HEAD committish of the
  40     version that you are working on.  See TRANSLATION for details.
  41 @end ignore
  42 '''
  43
  44 end_blurb = """
  45 @c -- SKELETON FILE --
  46 """
  47
  48 for x in optlist:
  49     if x[0] == '-o': # -o NAME   set PO output file name to NAME
  50         output_file = x[1]
  51     elif x[0] == '-d': # -d DIR    set working directory to DIR
  52         os.chdir (x[1])
  53     elif x[0] == '-b': # -b BLURB  set blurb written at each node to BLURB
  54         node_blurb = x[1]
  55     elif x[0] == '-i': # -i BLURB  set blurb written at beginning of each file to BLURB
  56         intro_blurb = x[1]
  57     elif x[0] == '-l': # -l ISOLANG  set documentlanguage to ISOLANG
  58         doclang = '; documentlanguage: ' + x[1]
  59
  60 texinfo_with_menus_re = re.compile (r"^(\*) +([^:\n]+)::.*?$|^@(include|menu|end menu|node|(?:unnumbered|appendix)(?:(?:sub){0,2}sec)?|top|chapter|(?:sub){0,2}section|(?:major|chap|(?:sub){0,2})heading) *(.*?)$|@(rglos){(.+?)}", re.M)
  61
  62 texinfo_re = re.compile (r"^@(include|node|(?:unnumbered|appendix)(?:(?:sub){0,2}sec)?|top|chapter|(?:sub){0,2}section|(?:major|chap|(?:sub){0,2})heading) *(.+?)$|@(rglos){(.+?)}", re.M)
  63
  64 ly_string_re = re.compile (r'^([a-zA-Z]+)[\t ]*=|%+[\t ]*(.*)$|\\(?:new|context)\s+(?:[a-zA-Z]*?(?:Staff(?:Group)?|Voice|FiguredBass|FretBoards|Names|Devnull))\s+=\s+"?([a-zA-Z]+)"?\s+')
  65 lsr_verbatim_ly_re = re.compile (r'% begin verbatim$')
  66 texinfo_verbatim_ly_re = re.compile (r'^@lilypond\[.*?verbatim')
  67
  68 def process_texi (texifilename, i_blurb, n_blurb, write_skeleton, topfile, output_file=None, scan_ly=False):
  69     try:
  70         f = open (texifilename, 'r')
  71         texifile = f.read ()
  72         f.close ()
  73         printedfilename = texifilename.replace ('../','')
  74         includes = []
  75
  76         # process ly var names and comments
  77         if output_file and (scan_ly or texifilename.endswith ('.ly')):
  78             lines = texifile.splitlines ()
  79             i = 0
  80             in_verb_ly_block = False
  81             if texifilename.endswith ('.ly'):
  82                 verbatim_ly_re = lsr_verbatim_ly_re
  83             else:
  84                 verbatim_ly_re = texinfo_verbatim_ly_re
  85             for i in range (len (lines)):
  86                 if verbatim_ly_re.search (lines[i]):
  87                     in_verb_ly_block = True
  88                 elif lines[i].startswith ('@end lilypond'):
  89                     in_verb_ly_block = False
  90                 elif in_verb_ly_block:
  91                     for (var, comment, context_id) in ly_string_re.findall (lines[i]):
  92                         if var:
  93                             output_file.write ('# ' + printedfilename + ':' + \
  94                                                str (i + 1) + ' (variable)\n_(r"' + var + '")\n')
  95                         elif comment:
  96                             output_file.write ('# ' + printedfilename + ':' + \
  97                                                str (i + 1) + ' (comment)\n_(r"' + \
  98                                                comment.replace ('"', '\\"') + '")\n')
  99                         elif context_id:
 100                             output_file.write ('# ' + printedfilename + ':' + \
 101                                                str (i + 1) + ' (context id)\n_(r"' + \
 102                                                context_id + '")\n')
 103
 104         # process Texinfo node names and section titles
 105         if write_skeleton:
 106             g = open (os.path.basename (texifilename), 'w')
 107             subst = globals ()
 108             subst.update (locals ())
 109             g.write (i_blurb % subst)
 110             tutu = texinfo_with_menus_re.findall (texifile)
 111             node_trigger = False
 112             for item in tutu:
 113                 if item[0] == '*':
 114                     g.write ('* ' + item[1] + '::\n')
 115                 elif output_file and item[4] == 'rglos':
 116                     output_file.write ('_(r"' + item[5] + '") # @rglos in ' + printedfilename + '\n')
 117                 elif item[2] == 'menu':
 118                     g.write ('@menu\n')
 119                 elif item[2] == 'end menu':
 120                     g.write ('@end menu\n\n')
 121                 else:
 122                     g.write ('@' + item[2] + ' ' + item[3] + '\n')
 123                     if node_trigger:
 124                         g.write (n_blurb)
 125                         node_trigger = False
 126                     elif item[2] == 'include':
 127                         includes.append (item[3])
 128                     else:
 129                         if output_file:
 130                             output_file.write ('# @' + item[2] + ' in ' + \
 131                                 printedfilename + '\n_(r"' + item[3].strip () + '")\n')
 132                         if item[2] == 'node':
 133                             node_trigger = True
 134             g.write (end_blurb)
 135             g.close ()
 136
 137         elif output_file:
 138             toto = texinfo_re.findall (texifile)
 139             for item in toto:
 140                 if item[0] == 'include':
 141                     includes.append(item[1])
 142                 elif item[2] == 'rglos':
 143                     output_file.write ('# @rglos in ' + printedfilename + '\n_(r"' + item[3] + '")\n')
 144                 else:
 145                     output_file.write ('# @' + item[0] + ' in ' + printedfilename + '\n_(r"' + item[1].strip () + '")\n')
 146
 147         if process_includes:
 148             dir = os.path.dirname (texifilename)
 149             for item in includes:
 150                 process_texi (os.path.join (dir, item.strip ()), i_blurb, n_blurb, write_skeleton, topfile, output_file, scan_ly)
 151     except IOError, (errno, strerror):
 152         sys.stderr.write ("I/O error(%s): %s: %s\n" % (errno, texifilename, strerror))
 153
 154
 155 if intro_blurb != '':
 156     intro_blurb += '\n\n'
 157 if node_blurb != '':
 158     node_blurb = '\n' + node_blurb + '\n\n'
 159 if make_gettext:
 160     node_list_filename = 'node_list'
 161     node_list = open (node_list_filename, 'w')
 162     node_list.write ('# -*- coding: utf-8 -*-\n')
 163     for texi_file in texi_files:
 164         # Urgly: scan ly comments and variable names only in English doco
 165         is_english_doc = 'Documentation/user' in texi_file
 166         process_texi (texi_file, intro_blurb, node_blurb, make_skeleton,
 167                       os.path.basename (texi_file), node_list,
 168                       scan_ly=is_english_doc)
 169     for word in ('Up:', 'Next:', 'Previous:', 'Appendix ', 'Footnotes', 'Table of Contents'):
 170         node_list.write ('_(r"' + word + '")\n')
 171     node_list.close ()
 172     os.system ('xgettext -c -L Python --no-location -o ' + output_file + ' ' + node_list_filename)
 173 else:
 174     for texi_file in texi_files:
 175         process_texi (texi_file, intro_blurb, node_blurb, make_skeleton,
 176                       os.path.basename (texi_file))