def update_library(tree, dry_run=False, inudesu=False):
changes = []
alltracks = Track.objects.filter(inudesu=inudesu)
tracks_kept = []
for tid in tree['Tracks']:
changed = False
new = False
t = tree['Tracks'][tid]
added = make_aware(t['Date Added'], utc)
if 'Album' not in t:
t['Album'] = '' # to prevent future KeyErrors
try:
db_track = Track.objects.get(id=t['Persistent ID'])
except Track.DoesNotExist:
# we need to make a new track
new = True
db_track = Track()
else:
db_dict = {
'title': db_track.id3_title,
'artist': db_track.id3_artist,
'album': db_track.id3_album,
'msec': db_track.msec,
'composer': db_track.composer,
'added': db_track.added,
}
track_dict = {
'title': t['Name'],
'artist': t['Artist'],
'album': t['Album'],
'msec': t['Total Time'],
'composer': t.get('Composer', ''),
'added': added,
}
if db_dict != track_dict:
# we need to update an existing track
changed = True
field_alterations = [{
'field': k,
'from': db_dict[k],
'to': track_dict[k],
} for k in db_dict.keys() if db_dict[k] != track_dict[k]]
if new or changed:
db_track.id = t['Persistent ID']
db_track.id3_title = t['Name']
db_track.id3_artist = t['Artist']
db_track.id3_album = t['Album']
db_track.msec = t['Total Time']
db_track.composer = t.get('Composer', '')
db_track.added = added
db_track.inudesu = inudesu
if new:
if not inudesu:
db_track.hidden = True
else:
db_track.hidden = False
changes.append({
'type': 'new',
'item': unicode(db_track),
})
if changed:
changes.append({
'type': 'change',
'item': unicode(db_track),
'changes': field_alterations,
})
if (new or changed) and (not dry_run):
db_track.save()
tracks_kept.append(db_track)
for track in [tr for tr in alltracks
if tr not in tracks_kept and not tr.hidden]:
changes.append({
'type': 'hide',
'item': unicode(track),
})
if not dry_run:
track.hidden = True
track.save()
return changes
def update_library(tree, dry_run=False, inudesu=False):
changes = []
alltracks = Track.objects.filter(inudesu=inudesu)
tracks_kept = []
for tid in tree['Tracks']:
changed = False
new = False
t = tree['Tracks'][tid]
added = make_aware(t['Date Added'], utc)
if 'Album' not in t:
t['Album'] = '' # to prevent future KeyErrors
try:
db_track = Track.objects.get(id=t['Persistent ID'])
except Track.DoesNotExist:
# we need to make a new track
new = True
db_track = Track()
else:
if ((db_track.id3_title != t['Name'])
or (db_track.id3_artist != t['Artist'])
or (db_track.id3_album != t['Album'])
or (db_track.msec != t['Total Time'])
or (db_track.composer != t.get('Composer'))
or (db_track.added != added)):
# we need to update an existing track
changed = True
pre_change = unicode(db_track)
if new or changed:
db_track.id = t['Persistent ID']
db_track.id3_title = t['Name']
db_track.id3_artist = t['Artist']
db_track.id3_album = t['Album']
db_track.msec = t['Total Time']
db_track.msec = t['Total Time']
db_track.added = added
db_track.inudesu = inudesu
if new:
if not inudesu:
db_track.hidden = True
else:
db_track.hidden = False
changes.append('new:\n%s' % unicode(db_track))
if changed:
changes.append('change:\n%s' % pre_change)
changes.append('to:\n%s' % unicode(db_track))
if (new or changed) and (not dry_run):
db_track.save()
tracks_kept.append(db_track)
for track in [tr for tr in alltracks
if tr not in tracks_kept and not tr.hidden]:
changes.append('hide:\n%s' % unicode(track))
if not dry_run:
track.hidden = True
track.save()
return changes
