"""Various utilities (logger, time benchmark, args dump, numerical and stats info)""" | |
def prepare_base64_input(sb): | |
if isinstance(sb, str): | |
# If there's any unicode here, an exception will be thrown and the function will return false | |
return bytes(sb, 'ascii') | |
elif isinstance(sb, bytes): | |
return sb | |
raise ValueError("Argument must be string or bytes") | |
def is_base64(sb: str or bytes): | |
import base64 | |
try: | |
sb_bytes = prepare_base64_input(sb) | |
return base64.b64encode(base64.b64decode(sb_bytes, validate=True)) == sb_bytes | |
except ValueError: | |
return False | |
def base64_decode(s): | |
import base64 | |
if isinstance(s, str) and is_base64(s): | |
return base64.b64decode(s, validate=True).decode("utf-8") | |
return s | |
def base64_encode(sb: str or bytes): | |
import base64 | |
sb_bytes = prepare_base64_input(sb) | |
return base64.b64encode(sb_bytes) | |