def test_save_multiple_padding(self):
# we don't touch existing padding blocks on save, but will
# replace them in the file with one at the end
def num_padding(f):
blocks = f.metadata_blocks
return len([b for b in blocks if isinstance(b, Padding)])
num_blocks = num_padding(self.flac)
self.assertEqual(num_blocks, 1)
block = Padding()
block.length = 42
self.flac.metadata_blocks.append(block)
block = Padding()
block.length = 24
self.flac.metadata_blocks.append(block)
self.flac.save()
self.assertEqual(num_padding(self.flac), num_blocks + 2)
new = FLAC(self.flac.filename)
self.assertEqual(num_padding(new), 1)
self.assertTrue(isinstance(new.metadata_blocks[-1], Padding))
def test_save_multiple_padding(self):
# we don't touch existing padding blocks on save, but will
# replace them in the file with one at the end
def num_padding(f):
blocks = f.metadata_blocks
return len([b for b in blocks if isinstance(b, Padding)])
num_blocks = num_padding(self.flac)
self.assertEqual(num_blocks, 1)
block = Padding()
block.length = 42
self.flac.metadata_blocks.append(block)
block = Padding()
block.length = 24
self.flac.metadata_blocks.append(block)
self.flac.save()
self.assertEqual(num_padding(self.flac), num_blocks + 2)
new = FLAC(self.flac.filename)
self.assertEqual(num_padding(new), 1)
self.assertTrue(isinstance(new.metadata_blocks[-1], Padding))
def get_header(self, filename=None):
f = self.fileobj
f.seek(0)
self.__check_header(f)
self.__offset = self.__find_audio_offset(f)
data = bytearray(b'fLaC')
for block in self.metadata_blocks:
if isinstance(block, Padding):
continue
data += MetadataBlock._writeblock(block)
padding = Padding()
padding.length = 1020
data += MetadataBlock._writeblock(padding, is_last=True)
return bytes(data)
