Add a little script to create test files with lyrics.

git-svn-id: svn://scm.orgis.org/mpg123/trunk@3088 35dc7657-300d-0410-a2e5-dc2837fedb53

scripts/tag_lyrics.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+ 
+# needs mutagen
+# grabbed from: http://code.activestate.com/recipes/577138-embed-lyrics-into-mp3-files-using-mutagen-uslt-tag/
+# simplified to only work on one file and get lyrics from stdin
+
+import os
+import sys
+import codecs
+from mutagen.mp3 import MP3
+from mutagen.id3 import ID3NoHeaderError
+from mutagen.id3 import ID3, USLT
+
+TEXT_ENCODING = 'utf8'
+TEXT_LANG = 'XXX'
+TEXT_DESC = ''
+
+# get workdir from first arg or use current dir 
+if (len(sys.argv) > 1):
+	fname = sys.argv[1]
+	print "fname=" + fname
+else:
+	print 'Give me at least a file name to work on, plus the lyrics from stdin'
+	print 'Optionally, you can provide the language (3 lowercase letters) of the lyrics and a description'
+	sys.exit()
+
+if (len(sys.argv) > 2):
+	TEXT_LANG = sys.argv[2]
+
+if (len(sys.argv) > 3):
+	TEXT_DESC = sys.argv[3]
+
+print "reading lyrics from standard input ..."
+
+lyrics = sys.stdin.read().strip()
+
+# try to find the right encoding
+for enc in ('utf8','iso-8859-1','iso-8859-15','cp1252','cp1251','latin1'):
+	try:
+		lyrics = lyrics.decode(enc)
+		TEXT_DESC = TEXT_DESC.decode(enc)
+		print enc,
+		break
+	except:
+		pass
+
+print "Adding lyrics to " + fname
+print "Language: " + TEXT_LANG
+print "Description: " + TEXT_DESC
+
+# create ID3 tag if not exists
+try: 
+	tags = ID3(fname)
+except ID3NoHeaderError:
+	print "Adding ID3 header;",
+	tags = ID3()
+
+# remove old unsychronized lyrics
+if len(tags.getall(u"USLT::'"+TEXT_LANG+"'")) != 0:
+	print "Removing Lyrics."
+	tags.delall(u"USLT::'"+TEXT_LANG+"'")
+	#tags.save(fname) # hm, why?
+
+#tags.add(USLT(encoding=3, lang=u'eng', desc=u'desc', text=lyrics))
+# apparently the description is important when more than one 
+# USLT frames are present
+#tags[u"USLT::'eng'"] = (USLT(encoding=3, lang=u'eng', desc=u'desc', text=lyrics))
+tags[u"USLT::'"+TEXT_LANG+"'"] = (USLT(encoding=3, lang=TEXT_LANG, desc=TEXT_DESC, text=lyrics))
+print 'Added USLT frame to', fname
+
+tags.save(fname)
+
+print 'Done'
+