/usr/lib/python2.7/dist-packages/mutagen/_tools/mid3v2.py is in python-mutagen 1.36-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Pretend to be /usr/bin/id3v2 from id3lib, sort of.
# Copyright 2005 Joe Wreschnig
#
# 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 sys
import codecs
import mimetypes
from optparse import SUPPRESS_HELP
import mutagen
import mutagen.id3
from mutagen.id3 import Encoding, PictureType
from mutagen._senf import fsnative, print_, argv, fsn2text, fsn2bytes, \
bytes2fsn
from mutagen._compat import PY2, text_type
from ._util import split_escape, SignalHandler, OptionParser
VERSION = (1, 3)
_sig = SignalHandler()
global verbose
verbose = True
class ID3OptionParser(OptionParser):
def __init__(self):
mutagen_version = ".".join(map(str, mutagen.version))
my_version = ".".join(map(str, VERSION))
version = "mid3v2 %s\nUses Mutagen %s" % (my_version, mutagen_version)
self.edits = []
OptionParser.__init__(
self, version=version,
usage="%prog [OPTION] [FILE]...",
description="Mutagen-based replacement for id3lib's id3v2.")
def format_help(self, *args, **kwargs):
text = OptionParser.format_help(self, *args, **kwargs)
return text + """\
You can set the value for any ID3v2 frame by using '--' and then a frame ID.
For example:
mid3v2 --TIT3 "Monkey!" file.mp3
would set the "Subtitle/Description" frame to "Monkey!".
Any editing operation will cause the ID3 tag to be upgraded to ID3v2.4.
"""
def list_frames(option, opt, value, parser):
items = mutagen.id3.Frames.items()
for name, frame in sorted(items):
print_(u" --%s %s" % (name, frame.__doc__.split("\n")[0]))
raise SystemExit
def list_frames_2_2(option, opt, value, parser):
items = mutagen.id3.Frames_2_2.items()
items.sort()
for name, frame in items:
print_(u" --%s %s" % (name, frame.__doc__.split("\n")[0]))
raise SystemExit
def list_genres(option, opt, value, parser):
for i, genre in enumerate(mutagen.id3.TCON.GENRES):
print_(u"%3d: %s" % (i, genre))
raise SystemExit
def delete_tags(filenames, v1, v2):
for filename in filenames:
with _sig.block():
if verbose:
print_(u"deleting ID3 tag info in", filename, file=sys.stderr)
mutagen.id3.delete(filename, v1, v2)
def delete_frames(deletes, filenames):
try:
deletes = frame_from_fsnative(deletes)
except ValueError as err:
print_(text_type(err), file=sys.stderr)
frames = deletes.split(",")
for filename in filenames:
with _sig.block():
if verbose:
print_(u"deleting %s from" % deletes, filename,
file=sys.stderr)
try:
id3 = mutagen.id3.ID3(filename)
except mutagen.id3.ID3NoHeaderError:
if verbose:
print_(u"No ID3 header found; skipping.", file=sys.stderr)
except Exception as err:
print_(text_type(err), file=sys.stderr)
raise SystemExit(1)
else:
for frame in frames:
id3.delall(frame)
id3.save()
def frame_from_fsnative(arg):
"""Takes item from argv and returns ascii native str
or raises ValueError.
"""
assert isinstance(arg, fsnative)
text = fsn2text(arg, strict=True)
if PY2:
return text.encode("ascii")
else:
return text.encode("ascii").decode("ascii")
def value_from_fsnative(arg, escape):
"""Takes an item from argv and returns a text_type value without
surrogate escapes or raises ValueError.
"""
assert isinstance(arg, fsnative)
if escape:
bytes_ = fsn2bytes(arg, "utf-8")
if PY2:
bytes_ = bytes_.decode("string_escape")
else:
bytes_ = codecs.escape_decode(bytes_)[0]
arg = bytes2fsn(bytes_, "utf-8")
text = fsn2text(arg, strict=True)
return text
def error(*args):
print_(*args, file=sys.stderr)
raise SystemExit(1)
def get_frame_encoding(frame_id, value):
if frame_id == "APIC":
# See https://github.com/beetbox/beets/issues/899#issuecomment-62437773
return Encoding.UTF16 if value else Encoding.LATIN1
else:
return Encoding.UTF8
def write_files(edits, filenames, escape):
# unescape escape sequences and decode values
encoded_edits = []
for frame, value in edits:
if not value:
continue
try:
frame = frame_from_fsnative(frame)
except ValueError as err:
print_(text_type(err), file=sys.stderr)
assert isinstance(frame, str)
# strip "--"
frame = frame[2:]
try:
value = value_from_fsnative(value, escape)
except ValueError as err:
error(u"%s: %s" % (frame, text_type(err)))
assert isinstance(value, text_type)
encoded_edits.append((frame, value))
edits = encoded_edits
# preprocess:
# for all [frame,value] pairs in the edits list
# gather values for identical frames into a list
tmp = {}
for frame, value in edits:
if frame in tmp:
tmp[frame].append(value)
else:
tmp[frame] = [value]
# edits is now a dictionary of frame -> [list of values]
edits = tmp
# escape also enables escaping of the split separator
if escape:
string_split = split_escape
else:
string_split = lambda s, *args, **kwargs: s.split(*args, **kwargs)
for filename in filenames:
with _sig.block():
if verbose:
print_(u"Writing", filename, file=sys.stderr)
try:
id3 = mutagen.id3.ID3(filename)
except mutagen.id3.ID3NoHeaderError:
if verbose:
print_(u"No ID3 header found; creating a new tag",
file=sys.stderr)
id3 = mutagen.id3.ID3()
except Exception as err:
print_(str(err), file=sys.stderr)
continue
for (frame, vlist) in edits.items():
if frame == "POPM":
for value in vlist:
values = string_split(value, ":")
if len(values) == 1:
email, rating, count = values[0], 0, 0
elif len(values) == 2:
email, rating, count = values[0], values[1], 0
else:
email, rating, count = values
frame = mutagen.id3.POPM(
email=email, rating=int(rating), count=int(count))
id3.add(frame)
elif frame == "APIC":
for value in vlist:
values = string_split(value, ":")
# FIXME: doesn't support filenames with an invalid
# encoding since we have already decoded at that point
fn = values[0]
if len(values) >= 2:
desc = values[1]
else:
desc = u"cover"
if len(values) >= 3:
try:
picture_type = int(values[2])
except ValueError:
error(u"Invalid picture type: %r" % values[1])
else:
picture_type = PictureType.COVER_FRONT
if len(values) >= 4:
mime = values[3]
else:
mime = mimetypes.guess_type(fn)[0] or "image/jpeg"
if len(values) >= 5:
error("APIC: Invalid format")
encoding = get_frame_encoding(frame, desc)
try:
with open(fn, "rb") as h:
data = h.read()
except IOError as e:
error(text_type(e))
frame = mutagen.id3.APIC(encoding=encoding, mime=mime,
desc=desc, type=picture_type, data=data)
id3.add(frame)
elif frame == "COMM":
for value in vlist:
values = string_split(value, ":")
if len(values) == 1:
value, desc, lang = values[0], "", "eng"
elif len(values) == 2:
desc, value, lang = values[0], values[1], "eng"
else:
value = ":".join(values[1:-1])
desc, lang = values[0], values[-1]
frame = mutagen.id3.COMM(
encoding=3, text=value, lang=lang, desc=desc)
id3.add(frame)
elif frame == "UFID":
for value in vlist:
values = string_split(value, ":")
if len(values) != 2:
error(u"Invalid value: %r" % values)
owner = values[0]
data = values[1].encode("utf-8")
frame = mutagen.id3.UFID(owner=owner, data=data)
id3.add(frame)
elif frame == "TXXX":
for value in vlist:
values = string_split(value, ":", 1)
if len(values) == 1:
desc, value = "", values[0]
else:
desc, value = values[0], values[1]
frame = mutagen.id3.TXXX(
encoding=3, text=value, desc=desc)
id3.add(frame)
elif issubclass(mutagen.id3.Frames[frame],
mutagen.id3.UrlFrame):
frame = mutagen.id3.Frames[frame](encoding=3, url=vlist)
id3.add(frame)
else:
frame = mutagen.id3.Frames[frame](encoding=3, text=vlist)
id3.add(frame)
id3.save(filename)
def list_tags(filenames):
for filename in filenames:
print_("IDv2 tag info for", filename)
try:
id3 = mutagen.id3.ID3(filename, translate=False)
except mutagen.id3.ID3NoHeaderError:
print_(u"No ID3 header found; skipping.")
except Exception as err:
print_(text_type(err), file=sys.stderr)
raise SystemExit(1)
else:
print_(id3.pprint())
def list_tags_raw(filenames):
for filename in filenames:
print_("Raw IDv2 tag info for", filename)
try:
id3 = mutagen.id3.ID3(filename, translate=False)
except mutagen.id3.ID3NoHeaderError:
print_(u"No ID3 header found; skipping.")
except Exception as err:
print_(text_type(err), file=sys.stderr)
raise SystemExit(1)
else:
for frame in id3.values():
print_(text_type(repr(frame)))
def main(argv):
parser = ID3OptionParser()
parser.add_option(
"-v", "--verbose", action="store_true", dest="verbose", default=False,
help="be verbose")
parser.add_option(
"-q", "--quiet", action="store_false", dest="verbose",
help="be quiet (the default)")
parser.add_option(
"-e", "--escape", action="store_true", default=False,
help="enable interpretation of backslash escapes")
parser.add_option(
"-f", "--list-frames", action="callback", callback=list_frames,
help="Display all possible frames for ID3v2.3 / ID3v2.4")
parser.add_option(
"--list-frames-v2.2", action="callback", callback=list_frames_2_2,
help="Display all possible frames for ID3v2.2")
parser.add_option(
"-L", "--list-genres", action="callback", callback=list_genres,
help="Lists all ID3v1 genres")
parser.add_option(
"-l", "--list", action="store_const", dest="action", const="list",
help="Lists the tag(s) on the open(s)")
parser.add_option(
"--list-raw", action="store_const", dest="action", const="list-raw",
help="Lists the tag(s) on the open(s) in Python format")
parser.add_option(
"-d", "--delete-v2", action="store_const", dest="action",
const="delete-v2", help="Deletes ID3v2 tags")
parser.add_option(
"-s", "--delete-v1", action="store_const", dest="action",
const="delete-v1", help="Deletes ID3v1 tags")
parser.add_option(
"-D", "--delete-all", action="store_const", dest="action",
const="delete-v1-v2", help="Deletes ID3v1 and ID3v2 tags")
parser.add_option(
'--delete-frames', metavar='FID1,FID2,...', action='store',
dest='deletes', default='', help="Delete the given frames")
parser.add_option(
"-C", "--convert", action="store_const", dest="action",
const="convert",
help="Convert tags to ID3v2.4 (any editing will do this)")
parser.add_option(
"-a", "--artist", metavar='"ARTIST"', action="callback",
help="Set the artist information", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TPE1"),
args[2])))
parser.add_option(
"-A", "--album", metavar='"ALBUM"', action="callback",
help="Set the album title information", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TALB"),
args[2])))
parser.add_option(
"-t", "--song", metavar='"SONG"', action="callback",
help="Set the song title information", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TIT2"),
args[2])))
parser.add_option(
"-c", "--comment", metavar='"DESCRIPTION":"COMMENT":"LANGUAGE"',
action="callback", help="Set the comment information", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--COMM"),
args[2])))
parser.add_option(
"-p", "--picture",
metavar='"FILENAME":"DESCRIPTION":"IMAGE-TYPE":"MIME-TYPE"',
action="callback", help="Set the picture", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--APIC"),
args[2])))
parser.add_option(
"-g", "--genre", metavar='"GENRE"', action="callback",
help="Set the genre or genre number", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TCON"),
args[2])))
parser.add_option(
"-y", "--year", "--date", metavar='YYYY[-MM-DD]', action="callback",
help="Set the year/date", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TDRC"),
args[2])))
parser.add_option(
"-T", "--track", metavar='"num/num"', action="callback",
help="Set the track number/(optional) total tracks", type="string",
callback=lambda *args: args[3].edits.append((fsnative(u"--TRCK"),
args[2])))
for key, frame in mutagen.id3.Frames.items():
if (issubclass(frame, mutagen.id3.TextFrame)
or issubclass(frame, mutagen.id3.UrlFrame)
or issubclass(frame, mutagen.id3.POPM)
or frame in (mutagen.id3.APIC, mutagen.id3.UFID)):
parser.add_option(
"--" + key, action="callback", help=SUPPRESS_HELP,
type='string', metavar="value", # optparse blows up with this
callback=lambda *args: args[3].edits.append(args[1:3]))
(options, args) = parser.parse_args(argv[1:])
global verbose
verbose = options.verbose
if args:
if parser.edits or options.deletes:
if options.deletes:
delete_frames(options.deletes, args)
if parser.edits:
write_files(parser.edits, args, options.escape)
elif options.action in [None, 'list']:
list_tags(args)
elif options.action == "list-raw":
list_tags_raw(args)
elif options.action == "convert":
write_files([], args, options.escape)
elif options.action.startswith("delete"):
delete_tags(args, "v1" in options.action, "v2" in options.action)
else:
parser.print_help()
else:
parser.print_help()
def entry_point():
_sig.init()
return main(argv)
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