def test_inject_then_extract(self):
for fname in self.fnames[:2]:
mygif = Gif()
mygif.read_from_file(fname)
b = os.urandom(mygif.available_bytes() - 4)
gif_inject(mygif, b)
data = gif_extract(mygif)
print(b.hex())
print(data.hex())
self.assertEqual(b, data)
elif code == stop:
break
if code < next_code:
index_list = code_table[code]
for c in index_list:
index_stream.append(c)
if prevCode != clear:
code_table.append(code_table[prevCode] + (index_list[0], ))
next_code += 1
else:
index_list = code_table[prevCode]
for c in index_list:
index_stream.append(c)
index_stream.append(index_list[0])
code_table.append(index_list + (index_list[0], ))
next_code += 1
prevCode = code
return index_stream
if __name__ == "__main__":
fname = '../gifs/sample_2_animation.gif'
mygif = Gif()
mygif.read_from_file(fname)
print('available bytes in first frame = {}'.format(
mygif.get_frames()[0].available_bytes()))
print('total available bytes = {}'.format(mygif.available_bytes()))