def list_tags_disk(self):
"""
List all the tags directly from file metadata.
Can be slow, use with caution.
"""
try:
f = metadata.get_format(self.get_loc())
except Exception: # TODO: What exception?
return None
if not f:
return None
return f._get_raw().keys()
def get_tag_disk(self, tag):
"""
Read a tag directly from disk. Can be slow, use with caution.
Intended for use with large fields like covers and
lyrics that shouldn't be loaded to the in-mem db.
"""
try:
f = metadata.get_format(self.get_loc())
except Exception: # TODO: What exception?
return None
if not f:
return None
return f.read_tags([tag]).get(tag)
def write_tags(self):
"""
Writes tags to the file for this Track.
Returns False if unsuccessful, and
a Format object from 'metadata' otherwise.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
return False # not a supported type
f.write_tags(self.__tags)
return f
except IOError:
return False
except Exception:
return False
def write_tags(self):
"""
Writes tags to the file for this Track.
Returns False if unsuccessful, and a Format object from
`xl.metadata` otherwise.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
return False # not a supported type
f.write_tags(self.__tags)
return f
except IOError:
return False
except Exception:
return False
def set_tags(self):
"""
Reads tags from the file and set for this Track.
Returns False if unsuccessful, otherwise returns
Format object from 'src.metadata'.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
self._scan_valid = False
return False # not a supported type
ntags = f.read_all()
for k, v in ntags.iteritems():
self.set_tag_raw(k, v)
# remove tags that have been deleted in the file, while
# taking into account that the db may have tags not
# supported by the file's tag format.
if f.others:
supported_tags = [
t for t in self.list_tags() if not t.startswith("__")
]
else:
supported_tags = f.tag_mapping.keys()
for tag in supported_tags:
if tag not in ntags.keys():
self.set_tag_raw(tag, None)
# fill out file specific items
mtime = unicode(
datetime.fromtimestamp(os.stat(
self.get_loc()).st_mtime).strftime(datetime_format))
self.set_tag_raw('__modified', mtime)
# TODO: this probably breaks on non-local files
self.set_tag_raw('__basedir', self.get_basedir())
self.set_tag_raw('__basename', self.get_basename())
self._scan_valid = True
return f
except Exception, e:
print e
self._scan_valid = False
return False
def set_tags(self):
"""
Reads tags from the file and set for this Track.
Returns False if unsuccessful, otherwise returns
Format object from 'src.metadata'.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
self._scan_valid = False
return False # not a supported type
ntags = f.read_all()
for k, v in ntags.iteritems():
self.set_tag_raw(k, v)
# remove tags that have been deleted in the file, while
# taking into account that the db may have tags not
# supported by the file's tag format.
if f.others:
supported_tags = [t for t in self.list_tags()
if not t.startswith("__")]
else:
supported_tags = f.tag_mapping.keys()
for tag in supported_tags:
if tag not in ntags.keys():
self.set_tag_raw(tag, None)
# fill out file specific items
mtime = unicode(datetime.fromtimestamp(
os.stat(self.get_loc()).st_mtime).strftime(datetime_format))
self.set_tag_raw('__modified', mtime)
# TODO: this probably breaks on non-local files
self.set_tag_raw('__basedir', self.get_basedir())
self.set_tag_raw('__basename', self.get_basename())
self._scan_valid = True
return f
except Exception, e:
print e
self._scan_valid = False
return False
def read_tags(self):
"""
Reads tags from the file for this Track.
Returns False if unsuccessful, and a Format object from
`xl.metadata` otherwise.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
self._scan_valid = False
return False # not a supported type
ntags = f.read_all()
for k, v in ntags.iteritems():
self.__tags[k] = v
# remove tags that have been deleted in the file, while
# taking into account that the db may have tags not
# supported by the file's tag format.
if f.others:
supported_tags = [ t for t in self.list_tags() \
if not t.startswith("__") ]
else:
supported_tags = f.tag_mapping.keys()
for tag in supported_tags:
if tag not in ntags.keys():
self.__tags[tag] = None
# fill out file specific items
mtime = time.ctime(os.path.getmtime(self.get_loc()))
self.__tags['__modified'] = mtime
# TODO: this probably breaks on non-local files
path = os.path.dirname(self.get_loc())
self.__tags['__basedir'] = path
self._scan_valid = True
return f
except Exception:
self._scan_valid = False
return False
def read_tags(self):
"""
Reads tags from the file for this Track.
Returns False if unsuccessful, and a Format object from
`xl.metadata` otherwise.
"""
try:
f = metadata.get_format(self.get_loc())
if f is None:
self._scan_valid = False
return False # not a supported type
ntags = f.read_all()
for k, v in ntags.iteritems():
self.__tags[k] = v
# remove tags that have been deleted in the file, while
# taking into account that the db may have tags not
# supported by the file's tag format.
if f.others:
supported_tags = [ t for t in self.list_tags() \
if not t.startswith("__") ]
else:
supported_tags = f.tag_mapping.keys()
for tag in supported_tags:
if tag not in ntags.keys():
self.__tags[tag] = None
# fill out file specific items
mtime = time.ctime(os.path.getmtime(self.get_loc()))
self.__tags['__modified'] = mtime
# TODO: this probably breaks on non-local files
path = os.path.dirname(self.get_loc())
self.__tags['__basedir'] = path
self._scan_valid = True
return f
except Exception:
self._scan_valid = False
return False