def process_simple_tag(self, simple_tag_elem, tags_dict):
"""
Returns a dict representing the Tag element.
"""
name = lang = value = children = None
binary = False
for elem in self.process_one_level(simple_tag_elem):
elem_id = elem.get_id()
if elem_id == MATROSKA_TAG_NAME_ID:
name = elem.get_utf8().lower()
elif elem_id == MATROSKA_TAG_STRING_ID:
value = elem.get_utf8()
elif elem_id == MATROSKA_TAG_BINARY_ID:
value = elem.get_data()
binary = True
elif elem_id == MATROSKA_TAG_LANGUAGE_ID:
lang = elem.get_utf8()
elif elem_id == MATROSKA_SIMPLE_TAG_ID:
if children is None:
children = core.Tags()
self.process_simple_tag(elem, children)
if children:
# Convert ourselves to a Tags object.
children.value = value
children.langcode = lang
value = children
else:
# XXX: Python datetime objects have no way to express partial dates
# (e.g. only year), which the Matroska spec allows. Therefore datetime
# is not suitable for this. Until we figure out a proper way to express
# dates, just pass the tag value directly.
#if name.startswith('date_'):
# # Try to convert date to a datetime object.
# value = matroska_date_to_datetime(value)
value = core.Tag(value, lang, binary)
if name in tags_dict:
# Multiple items of this tag name.
if not isinstance(tags_dict[name], list):
# Convert to a list
tags_dict[name] = [tags_dict[name]]
# Append to list
tags_dict[name].append(value)
else:
tags_dict[name] = value
def process_tags(self, tags):
# Tags spec: http://www.matroska.org/technical/specs/tagging/index.html
# Iterate over Tags children. Tags element children is a
# Tag element (whose children are SimpleTags) and a Targets element
# whose children specific what objects the tags apply to.
for tag_elem in self.process_one_level(tags):
# Start a new dict to hold all SimpleTag elements.
tags_dict = core.Tags()
# A list of target uids this tags dict applies too. If empty,
# tags are global.
targets = []
for sub_elem in self.process_one_level(tag_elem):
if sub_elem.get_id() == MATROSKA_SIMPLE_TAG_ID:
self.process_simple_tag(sub_elem, tags_dict)
elif sub_elem.get_id() == MATROSKA_TARGETS_ID:
# Targets element: if there is no uid child (track uid,
# chapter uid, etc.) then the tags dict applies to the
# whole file (top-level Media object).
for target_elem in self.process_one_level(sub_elem):
target_elem_id = target_elem.get_id()
if target_elem_id in (MATRSOKA_TAGS_TRACK_UID_ID,
MATRSOKA_TAGS_EDITION_UID_ID,
MATRSOKA_TAGS_CHAPTER_UID_ID,
MATRSOKA_TAGS_ATTACHMENT_UID_ID):
targets.append(target_elem.get_value())
elif target_elem_id == MATROSKA_TARGET_TYPE_VALUE_ID:
# Target types not supported for now. (Unclear how this
# would fit with kaa.metadata.)
pass
if targets:
# Assign tags to all listed uids
for target in targets:
try:
self.objects_by_uid[target].tags.update(tags_dict)
self.tags_to_attributes(self.objects_by_uid[target],
tags_dict)
except KeyError:
log.warning(
u'Tags assigned to unknown/unsupported target uid %d',
target)
else:
self.tags.update(tags_dict)
self.tags_to_attributes(self, tags_dict)
def process_simple_tag(self, simple_tag_elem, tags_dict):
"""
Returns a dict representing the Tag element.
"""
name = lang = value = children = None
binary = False
for elem in self.process_one_level(simple_tag_elem):
elem_id = elem.get_id()
if elem_id == MATROSKA_TAG_NAME_ID:
name = elem.get_utf8().lower()
elif elem_id == MATROSKA_TAG_STRING_ID:
value = elem.get_utf8()
elif elem_id == MATROSKA_TAG_BINARY_ID:
value = elem.get_data()
binary = True
elif elem_id == MATROSKA_TAG_LANGUAGE_ID:
lang = elem.get_utf8()
elif elem_id == MATROSKA_SIMPLE_TAG_ID:
if children is None:
children = core.Tags()
self.process_simple_tag(elem, children)
if children:
# Convert ourselves to a Tags object.
children.value = value
children.langcode = lang
value = children
else:
if name.startswith('date_'):
# Try to convert date to a datetime object.
value = matroska_date_to_datetime(value)
value = core.Tag(value, lang, binary)
if name in tags_dict:
# Multiple items of this tag name.
if not isinstance(tags_dict[name], list):
# Convert to a list
tags_dict[name] = [tags_dict[name]]
# Append to list
tags_dict[name].append(value)
else:
tags_dict[name] = value
def __init__(self, file, tagVersion=eyeD3_tag.ID3_ANY_VERSION):
core.Music.__init__(self)
self.fileName = file.name
self.codec = 0x0055 # fourcc code of mp3
self.mime = 'audio/mpeg'
#if not eyeD3_tag.isMp3File(file.name):
# raise core.ParseError()
id3 = None
try:
id3 = eyeD3_tag.Mp3AudioFile(file.name)
except eyeD3_tag.InvalidAudioFormatException:
# File is not an MP3
raise core.ParseError()
except eyeD3_tag.TagException:
# The MP3 tag decoder crashed, assume the file is still
# MP3 and try to play it anyway
if log.level < 30:
log.exception('mp3 tag parsing %s failed!' % file.name)
except Exception:
# The MP3 tag decoder crashed, assume the file is still
# MP3 and try to play it anyway
if log.level < 30:
log.exception('mp3 tag parsing %s failed!' % file.name)
if not id3:
# let's take a look at the header
s = file.read(4096)
if not s[:3] == 'ID3':
# no id3 tag header, not good
if not re.compile(r'0*\xFF\xFB\xB0\x04$').search(s):
# again, not good
if not re.compile(r'0*\xFF\xFA\xB0\x04$').search(s):
# that's it, it is no mp3 at all
raise core.ParseError()
try:
if id3 and id3.tag:
self.tags = core.Tags()
log.debug(id3.tag.frames)
# Grip unicode bug workaround: Grip stores text data as UTF-8
# and flags it as latin-1. This workaround tries to decode
# these strings as utf-8 instead.
# http://sourceforge.net/tracker/index.php?func=detail&aid=1196919&group_id=3714&atid=103714
for frame in id3.tag.frames['COMM']:
if "created by grip" not in frame.comment.lower():
continue
for frame in id3.tag.frames:
if hasattr(frame, "text") and isinstance(
frame.text, unicode):
try:
frame.text = frame.text.encode(
'latin-1').decode('utf-8')
except UnicodeError:
pass
for k, var in MP3_INFO_TABLE.items():
if id3.tag.frames[k]:
self._set(var, id3.tag.frames[k][0].text)
if id3.tag.frames['APIC']:
pic = id3.tag.frames['APIC'][0]
if pic.imageData:
self.thumbnail = pic.imageData
if id3.tag.getYear():
self.userdate = id3.tag.getYear()
tab = {}
for f in id3.tag.frames:
tag = core.Tag()
if f.__class__ is eyeD3_frames.TextFrame:
tab[f.header.id] = f.text
tag.value = f.text
elif f.__class__ is eyeD3_frames.UserTextFrame:
#userTextFrames : debug: id starts with _
self._set('_' + f.description, f.text)
tab['_' + f.description] = f.text
tag.value = f.text
elif f.__class__ is eyeD3_frames.DateFrame:
tab[f.header.id] = f.date_str
tag.value = f.date_str
elif f.__class__ is eyeD3_frames.CommentFrame:
tab[f.header.id] = f.comment
self.comment = py3_str(f.comment)
tag.value = f.comment
elif f.__class__ is eyeD3_frames.URLFrame:
tab[f.header.id] = f.url
tag.value = f.url
elif f.__class__ is eyeD3_frames.UserURLFrame:
tab[f.header.id] = f.url
tag.value = f.url
elif f.__class__ is eyeD3_frames.ImageFrame:
tab[f.header.id] = f
if f.imageData:
tag.binary = True
tag.value = f.imageData
else:
log.debug(f.__class__)
if f.header.id in ID3_TAGS_MAP and tag.value:
tagname, filter = ID3_TAGS_MAP[f.header.id]
try:
if filter:
tag.value = filter(tag.value)
except Exception, e:
log.warning('skipping tag %s: %s', tagname, e)
else:
self.tags[tagname] = tag
self._appendtable('id3v2', tab)
if id3.tag.frames['TCON']:
genre = None
tcon = id3.tag.frames['TCON'][0].text
# TODO: could handle id3v2 genre refinements.
try:
# Assume integer.
genre = int(tcon)
except ValueError:
# Nope, maybe it's in '(N)' format.
try:
genre = int(tcon[1:tcon.find(')')])
except ValueError:
# Nope. Treat as a string.
self.genre = py3_str(tcon)
if genre is not None:
try:
self.genre = ID3.GENRE_LIST[genre]
except KeyError:
# Numeric genre specified but not one of the known genres,
# use 'Unknown' as per ID3v1.
self.genre = u'Unknown'
self.tags[u'genre'] = core.Tag(self.genre)
# and some tools store it as trackno/trackof in TRCK
if not self.trackof and self.trackno and \
self.trackno.find('/') > 0:
self.trackof = self.trackno[self.trackno.find('/') + 1:]
self.trackno = self.trackno[:self.trackno.find('/')]
if id3:
self.length = id3.getPlayTime()
