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把mp3的tag转换成utf-8格式的, 有些像使用Java的ID3iconv, 但是出错情况好一些
http://www.sacredchao.net/quodli ... gen/tools/mid3iconv
- #!/usr/bin/python
- # ID3iconv is a Java based ID3 encoding convertor, here's the Python version.
- # Copyright 2006 Emfox Zhou <EmfoxZhou@gmail.com>
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of version 2 of the GNU General Public License as
- # published by the Free Software Foundation.
- #
- import os
- import sys
- import locale
- from optparse import OptionParser
- VERSION = (0, 1)
- def isascii(string):
- return not string or min(string) < '\x127'
- class ID3OptionParser(OptionParser):
- def __init__(self):
- mutagen_version = ".".join(map(str, mutagen.version))
- my_version = ".".join(map(str, VERSION))
- version = "mid3iconv %s\nUses Mutagen %s" % (
- my_version, mutagen_version)
- return OptionParser.__init__(
- self, version=version,
- usage="%prog [OPTION] [FILE]...",
- description=("Mutagen-based replacement the id3iconv utility, "
- "which converts ID3 tags from legacy encodings "
- "to Unicode and stores them using the ID3v2 format."))
- def format_help(self, *args, **kwargs):
- text = OptionParser.format_help(self, *args, **kwargs)
- return text + "\nFiles are updated in-place, so use --dry-run first.\n"
- def update(options, filenames):
- encoding = options.encoding or locale.getpreferredencoding()
- verbose = options.verbose
- noupdate = options.noupdate
- force_v1 = options.force_v1
- remove_v1 = options.remove_v1
- def conv(uni):
- return uni.encode('iso-8859-1').decode(encoding)
- for filename in filenames:
- if verbose != "quiet":
- print "Updating", filename
- if has_id3v1(filename) and not noupdate and force_v1:
- mutagen.id3.delete(filename, False, True)
- try: id3 = mutagen.id3.ID3(filename)
- except mutagen.id3.ID3NoHeaderError:
- if verbose != "quiet":
- print "No ID3 header found; skipping..."
- continue
- except Exception, err:
- if verbose != "quiet":
- print str(err)
- continue
- for tag in filter(lambda t: t.startswith("T"), id3):
- if tag == "TDRC": # non-unicode field
- continue
- frame = id3[tag]
- try:
- text = map(conv, frame.text)
- except (UnicodeError, LookupError):
- continue
- else:
- frame.text = text
- if min(map(isascii, text)):
- frame.encoding = 3
- else:
- frame.encoding = 1
- enc = locale.getpreferredencoding()
- if verbose == "debug":
- print id3.pprint().encode(enc, "replace")
- if not noupdate:
- if remove_v1: id3.save(filename, v1=False)
- else: id3.save(filename)
- def has_id3v1(filename):
- f = open(filename, 'rb+')
- try: f.seek(-128, 2)
- except IOError: pass
- else: return (f.read(3) == "TAG")
- def main(argv):
- parser = ID3OptionParser()
- parser.add_option(
- "-e", "--encoding", metavar="ENCODING", action="store",
- type="string", dest="encoding",
- help=("Specify original tag encoding (default is %s)" %(
- locale.getpreferredencoding())))
- parser.add_option(
- "-p", "--dry-run", action="store_true", dest="noupdate",
- help="Do not actually modify files")
- parser.add_option(
- "--force-v1", action="store_true", dest="force_v1",
- help="Use an ID3v1 tag even if an ID3v2 tag is present")
- parser.add_option(
- "--remove-v1", action="store_true", dest="remove_v1",
- help="Remove v1 tag after processing the files")
- parser.add_option(
- "-q", "--quiet", action="store_const", dest="verbose",
- const="quiet", help="Only output errors")
- parser.add_option(
- "-d", "--debug", action="store_const", dest="verbose",
- const="debug", help="Output updated tags")
- for i, arg in enumerate(sys.argv):
- if arg == "-v1": sys.argv[i] = "--force-v1"
- elif arg == "-removev1": sys.argv[i] = "--remove-v1"
- (options, args) = parser.parse_args(argv[1:])
- if args:
- update(options, args)
- else:
- parser.print_help()
- if __name__ == "__main__":
- try: import mutagen, mutagen.id3
- except ImportError:
- # Run out of tools/
- sys.path.append(os.path.abspath("../"))
- import mutagen, mutagen.id3
- main(sys.argv)
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