def get_or_default(self, fieldname, default, allowThrow=True):
import mutagen
fieldname = self.normalizeFieldname(fieldname)
if fieldname == 'discnumber' and default is None:
default = 1
if not allowThrow:
ret = EasyPythonMutagen.get(self, fieldname)
else:
try:
ret = EasyPythonMutagen.get(self, fieldname)
except KeyError, mutagen.easymp4.EasyMP4KeyError:
return default
def test_metadataTags(self):
# saving in id3_23 should be different than saving in id3_24
import filecmp
tmpdirsl = self.tmpdir + '/'
shutil.copy(tmpdirsl + 'mp3_avgb128.mp3', tmpdirsl + 'mp3_id3_23.mp3')
shutil.copy(tmpdirsl + 'mp3_avgb128.mp3', tmpdirsl + 'mp3_id3_24.mp3')
self.assertTrue(filecmp.cmp(tmpdirsl + 'mp3_id3_23.mp3', tmpdirsl + 'mp3_id3_24.mp3', shallow=False))
o23 = EasyPythonMutagen(tmpdirsl + 'mp3_id3_23.mp3', True)
o23.set('title', 'test')
o23.save()
o24 = EasyPythonMutagen(tmpdirsl + 'mp3_id3_24.mp3', False)
o24.set('title', 'test')
o24.save()
self.assertFalse(filecmp.cmp(tmpdirsl + 'mp3_id3_23.mp3', tmpdirsl + 'mp3_id3_24.mp3', shallow=False))
# unsupported extensions
self.assertRaisesRegexp(ValueError, 'unsupported', lambda: EasyPythonMutagen('missing_extension'))
self.assertRaisesRegexp(ValueError, 'unsupported', lambda: EasyPythonMutagen('unsupported.mp3.extension.mp5'))
# test reading and writing
for file in os.listdir(self.tmpdir):
if 'id3' in file:
continue
fields = dict(album=1, comment=1, artist=1, title=1,
composer=1, discnumber=1, tracknumber=1, albumartist=1, website=1)
obj = EasyPythonMutagen(tmpdirsl + file)
self.assertRaises(KeyError, lambda: obj.get('composer'))
if not file.endswith('.mp3'):
fields['description'] = 1
# we shouldn't be able to set invalid fields
if '.m4a' in file:
# workaround for mutagen bug easymp4.py,
# line 183, __getitem__ when it fails to raise EasyMP4KeyError("%r is not a valid key" % key)
self.assertRaisesRegexp(Exception, '(not a valid key)|(object is not callable)', lambda: obj.set('aartist', 'test'))
self.assertRaisesRegexp(Exception, '(not a valid key)|(object is not callable)', lambda: obj.get('aartist'))
else:
self.assertRaises(KeyError, lambda: obj.set('aartist', 'test'))
self.assertRaises(KeyError, lambda: obj.get('aartist'))
for field in fields:
# first, all fields should be empty
self.assertEqual(None, obj.get_or_default(field, None))
# then, put data into the field
if field == 'tracknumber':
val = 14
elif field == 'discnumber':
val = 7
elif field == 'website':
val = 'http://website' + field
else:
val = u'test\u0107test\u1101' + field
fields[field] = val
obj.set(field, val)
self.assertEqual(unicode(fields[field]), obj.get(field))
# verify data was saved
obj.save()
obj = EasyPythonMutagen(tmpdirsl + file)
for field in fields:
self.assertEqual(unicode(fields[field]), obj.get(field))
# append data to each text field
for field in fields:
if not isinstance(fields[field], int):
obj.set(field, unicode(fields[field]) + 'appended')
obj.save()
# verify data was saved
obj = EasyPythonMutagen(tmpdirsl + file)
for field in fields:
if not isinstance(fields[field], int):
self.assertEqual(unicode(fields[field]) + 'appended', obj.get(field))