def update_from_path(path, overwrite=False, verbose=False, types=None):
db = PersistedDict(os.path.join(path, '.tracks'), overwrite=overwrite)
not_seen = set(db.keys())
track_info_added = {}
failures = []
date_added = datetime.datetime.now().strftime(settings.DATE_FORMAT)
for file_path in find_files(path, types=types):
escaped_file_path = json.loads(json.dumps(file_path))
if escaped_file_path in db:
not_seen.remove(escaped_file_path)
else:
if verbose:
print "Attempting to add new file: '%s':" % escaped_file_path
id3_info = load_id3_information(file_path)
track_info = {
'file_path': escaped_file_path,
'pk': escaped_file_path,
'date_added': date_added,
}
track_info.update(id3_info)
db[escaped_file_path] = track_info
track_key = get_track_key(track_info)
if track_key:
if track_key in track_info_added:
failures.append(LoadException("Added multiple files with the same ID3 information: '%s' and '%s'" % (escaped_file_path, track_info_added[track_key]['file_path'])))
track_info_added[get_track_key(track_info)] = track_info
claimed_renames = {}
# Remove missing entries
for file_path in not_seen:
# Check for rename
track_key = get_track_key(db[file_path])
if track_key and track_key in track_info_added:
new_name = track_info_added[track_key]['file_path']
if track_key in claimed_renames:
failures.append(LoadException("Cannot resolve rename, two previously tracked files are no longer found: '%s' and '%s', there is a new file with the same id3 information: '%s'" % (file_path, claimed_renames[track_key], new_name)))
# Grab any information we may have had under the old named
db[new_name] = dict(db[file_path].items() + db[new_name].items())
claimed_renames[track_key] = file_path
if verbose:
print "Renamed '%s' to '%s'" % (file_path, new_name)
else:
if verbose:
print "Removing missing file: '%s':" % file_path
del db[file_path]
db.save()
for fail in failures:
print fail
'title': id3_info.title,
#TODO album??
'duration': int(id3_info.length),
}
except:
pass
def get_track_info(path):
try:
tracks_file = find_tracks_file(path)
except Exception, e:
tracks_file = None
print e
if tracks_file:
db = PersistedDict(tracks_file)
for track_info in db.values():
yield track_info
def find_tracks_file(path):
path = os.path.abspath(os.path.expanduser(path))
for file_name in os.listdir(path):
if file_name == '.tracks':
return os.path.join(path, '.tracks')
parent_path = os.path.abspath(os.path.join(path, os.pardir))
if parent_path == path:
# Reach the root
raise Exception("No .tracks file found")
else:
