bits.py

def _bits(byte):
  return [(byte >> 0) & 1,
          (byte >> 1) & 1,
          (byte >> 2) & 1,
          (byte >> 3) & 1,
          (byte >> 4) & 1,
          (byte >> 5) & 1,
          (byte >> 6) & 1,
          (byte >> 7) & 1]

def iter_bits(input):
  for byte in input:
    yield from _bits(byte)

def bits(byte):
  return [bit for bit in iter_bits(byte)]


for x in iter_bits(b'foo'): print(x)
print(bits(b'bar'))