import textwrap, base64
def b64_encode(b):
return base64.b64encode(b).decode()
def b64_decode(s):
return base64.b64decode(s)
def b64url_encode(b):
return base64.urlsafe_b64encode(b).decode()
def b64url_decode(s):
return base64.urlsafe_b64decode(b64_restore_padding(s))
def b64_restore_padding(unpadded_b64_string):
return unpadded_b64_string + '=' * (-len(unpadded_b64_string) % 4)
class Placeholder:
"""
Used to indicate a value that must be replaced with response-specific data before being sent over the wire.
"""
