def uuid2slug(uuid_str):
"""
:param uuid_str : str(UUID)
:returns: ``encoded string of the given UUID```
e.g : UUID('737d4ea0-28bf-11e6-b12e-68f7288f1809')->
c31OoCi_EeaxLmj3KI8YCQ
"""
encode = UUID(str(uuid_str)).bytes.encode('base64')
# replace invalid char as vol name
return encode.rstrip('=\n').replace('/', '_').replace('+', '-')
def uuid4_to_bytes(uuid4):
"""Convert a given uuid4 to the right number of bytes.
- If it is a fully random uuid4, return the 16 bytes
- If it looks like a manually build uuid4, remove the fake bytes
"""
bytes_array = UUID(uuid4).bytes
is_built_uuid4 = bytes_array[6] in (b"\x40", ord(b"\x40")) and bytes_array[8] in (b"\x80", ord(b"\x80"))
if is_built_uuid4:
bytes_array = b"".join((bytes_array[:6], bytes_array[7:8], bytes_array[9:16]))
return bytes_array.rstrip(b"\x00").ljust(9, b"\x00")
