buildscripts/makelsr.py

   1 #!/usr/bin/env python
   2
   3 import sys
   4 import os
   5 import glob
   6 import re
   7
   8 USAGE = '''  Usage: makelsr.py LSR_SNIPPETS_DIR
   9 This script must be run from top of the source tree;
  10 it updates snippets input/lsr with snippets in input/new or LSR_SNIPPETS_DIR.
  11 '''
  12
  13 LY_HEADER_LSR = '''%% Do not edit this file; it is auto-generated from LSR http://lsr.dsi.unimi.it
  14 %% This file is in the public domain.
  15 '''
  16
  17 LY_HEADER_NEW = '''%% Do not edit this file; it is auto-generated from input/new
  18 %% This file is in the public domain.
  19 '''
  20
  21 DEST = os.path.join ('input', 'lsr')
  22 NEW_LYS = os.path.join ('input', 'new')
  23 TEXIDOCS = os.path.join ('input', 'texidocs')
  24
  25 TAGS = []
  26 # NR 1
  27 TAGS.extend (['pitches', 'rhythms', 'expressive-marks',
  28 'repeats', 'simultaneous-notes', 'staff-notation',
  29 'editorial-annotations', 'text'])
  30 # NR 2
  31 TAGS.extend (['vocal-music', 'chords', 'keyboards',
  32 'percussion', 'fretted-strings', 'unfretted-strings',
  33 'ancient-notation', 'winds', 'world-music'
  34 ])
  35
  36 # other
  37 TAGS.extend (['contexts-and-engravers', 'tweaks-and-overrides',
  38 'paper-and-layout', 'breaks', 'spacing', 'midi', 'titles', 'template'])
  39
  40 def exit_with_usage (n=0):
  41         sys.stderr.write (USAGE)
  42         sys.exit (n)
  43
  44 try:
  45         in_dir = sys.argv[1]
  46 except:
  47         exit_with_usage (2)
  48
  49 if not (os.path.isdir (DEST) and os.path.isdir (NEW_LYS)):
  50         exit_with_usage (3)
  51
  52 unsafe = []
  53 unconverted = []
  54 notags_files = []
  55
  56 # mark the section that will be printed verbatim by lilypond-book
  57 end_header_re = re.compile ('(\\header {.+?doctitle = ".+?})\n', re.M | re.S)
  58
  59 def mark_verbatim_section (ly_code):
  60         return end_header_re.sub ('\\1 % begin verbatim\n\n', ly_code, 1)
  61
  62 # '% LSR' comments are to be stripped
  63 lsr_comment_re = re.compile (r'\s*%+\s*LSR.*')
  64
  65 begin_header_re = re.compile (r'\\header\s*{', re.M)
  66
  67 # add tags to ly files from LSR
  68 def add_tags (ly_code, tags):
  69         return begin_header_re.sub ('\\g<0>\n  lsrtags = "' + tags + '"\n', ly_code, 1)
  70
  71 def copy_ly (srcdir, name, tags):
  72         global unsafe
  73         global unconverted
  74         dest = os.path.join (DEST, name)
  75         tags = ', '.join (tags)
  76         s = open (os.path.join (srcdir, name)).read ()
  77
  78         texidoc_translations_path = os.path.join (TEXIDOCS,
  79                                                   os.path.splitext (name)[0] + '.texidoc')
  80         if os.path.exists (texidoc_translations_path):
  81                 texidoc_translations = open (texidoc_translations_path).read ()
  82                 # Since we want to insert the translations verbatim using a
  83                 # regexp, \\ is understood as ONE escaped backslash. So we have
  84                 # to escape those backslashes once more...
  85                 texidoc_translations = texidoc_translations.replace ('\\', '\\\\')
  86                 s = begin_header_re.sub ('\\g<0>\n' + texidoc_translations, s, 1)
  87
  88         if in_dir in srcdir:
  89                 s = LY_HEADER_LSR + add_tags (s, tags)
  90         else:
  91                 s = LY_HEADER_NEW + s
  92
  93         s = mark_verbatim_section (s)
  94         s = lsr_comment_re.sub ('', s)
  95         open (dest, 'w').write (s)
  96
  97         e = os.system ("convert-ly -e '%s'" % dest)
  98         if e:
  99                 unconverted.append (dest)
 100         if os.path.exists (dest + '~'):
 101                 os.remove (dest + '~')
 102         # -V seems to make unsafe snippets fail nicer/sooner
 103         e = os.system ("lilypond -V -dno-print-pages -dsafe -o /tmp/lsrtest '%s'" % dest)
 104         if e:
 105                 unsafe.append (dest)
 106
 107 def read_source_with_dirs (src):
 108         s = {}
 109         l = {}
 110         for tag in TAGS:
 111                 srcdir = os.path.join (src, tag)
 112                 l[tag] = set (map (os.path.basename, glob.glob (os.path.join (srcdir, '*.ly'))))
 113                 for f in l[tag]:
 114                         if f in s:
 115                                 s[f][1].append (tag)
 116                         else:
 117                                 s[f] = (srcdir, [tag])
 118         return s, l
 119
 120
 121 tags_re = re.compile ('lsrtags\\s*=\\s*"(.+?)"')
 122
 123 def read_source (src):
 124         s = {}
 125         l = dict ([(tag, set()) for tag in TAGS])
 126         for f in glob.glob (os.path.join (src, '*.ly')):
 127                 basename = os.path.basename (f)
 128                 m = tags_re.search (open (f, 'r').read ())
 129                 if m:
 130                         file_tags = [tag.strip() for tag in m.group (1). split(',')]
 131                         s[basename] = (src, file_tags)
 132                         [l[tag].add (basename) for tag in file_tags if tag in TAGS]
 133                 else:
 134                         notags_files.append (f)
 135         return s, l
 136
 137
 138 def dump_file_list (file, list):
 139         f = open (file, 'w')
 140         f.write ('\n'.join (list) + '\n')
 141
 142 ## clean out existing lys and generated files
 143 map (os.remove, glob.glob (os.path.join (DEST, '*.ly')) +
 144      glob.glob (os.path.join (DEST, '*.snippet-list')))
 145
 146 # read LSR source where tags are defined by subdirs
 147 snippets, tag_lists = read_source_with_dirs (in_dir)
 148 # read input/new where tags are directly
 149 s, l = read_source (NEW_LYS)
 150 snippets.update (s)
 151 for t in TAGS:
 152         tag_lists[t].update (l[t])
 153
 154 for (name, (srcdir, tags)) in snippets.items ():
 155         copy_ly (srcdir, name, tags)
 156
 157 for (tag, file_set) in tag_lists.items ():
 158         dump_file_list (os.path.join (DEST, tag + '.snippet-list'), file_set)
 159
 160 if unconverted:
 161         sys.stderr.write ('These files could not be converted successfully by convert-ly:\n')
 162         sys.stderr.write ('\n'.join (unconverted) + '\n\n')
 163
 164 if notags_files:
 165         sys.stderr.write ('No tags could be found in these files:\n')
 166         sys.stderr.write ('\n'.join (notags_files) + '\n\n')
 167
 168 dump_file_list ('lsr-unsafe.txt', unsafe)
 169 sys.stderr.write ('''
 170
 171 Unsafe files printed in lsr-unsafe.txt: CHECK MANUALLY!
 172   git add input/lsr/*.ly
 173   xargs git-diff HEAD < lsr-unsafe.txt
 174
 175 ''')
 176