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supysonic/scanner.py
2012-12-09 21:04:50 +01:00

75 lines
1.7 KiB
Python
Executable File

# coding: utf-8
import os.path
import datetime
import eyeD3
import db
def seconds_to_time(secs):
th = secs / 3600
tm = (secs % 3600) / 60
ts = secs % 60
return datetime.time(int(th), int(tm), int(ts))
class Scanner:
def __init__(self, session):
self.__session = session
self.__added_artists = 0
self.__added_albums = 0
self.__added_tracks = 0
self.__deleted_artists = 0
self.__deleted_albums = 0
self.__deleted_tracks = 0
def scan(self, folder):
for root, subfolders, files in os.walk(folder.path):
for f in files:
if f.endswith('.mp3'):
self.__scan_file(os.path.join(root, f))
def prune(self, folder):
pass
def __scan_file(self, path):
tag = eyeD3.Tag()
tag.link(path)
al = self.__find_album(tag.getArtist(), tag.getAlbum())
tr = al.tracks.filter(db.Track.path == path).first()
if tr is None:
tr = db.Track(path = path)
self.__added_tracks += 1
tr.disc = (tag.getDiscNum() or (1, 1))[0]
tr.number = tag.getTrackNum()[0]
tr.title = tag.getTitle()
tr.duration = seconds_to_time(eyeD3.Mp3AudioFile(path).getPlayTime())
tr.album = al
def __find_album(self, artist, album):
ar = self.__find_artist(artist)
al = ar.albums.filter(db.Album.name == album).first()
if not al is None:
return al
al = db.Album(name = album, artist = ar)
self.__added_albums += 1
return al
def __find_artist(self, artist):
ar = self.__session.query(db.Artist).filter(db.Artist.name == artist).first()
if not ar is None:
return ar
ar = db.Artist(name = artist)
self.__session.add(ar)
self.__added_artists += 1
return ar
def stats(self):
return (self.__added_artists, self.__added_albums, self.__added_tracks), (self.__deleted_artists, self.__deleted_albums, self.__deleted_tracks)