(s, altchars=None)
return encoded
Encode the bytes-like object s using Base64 and return a bytes object.

    Optional altchars should be a byte string of length 2 which specifies an
    alternative alphabet for the '+' and '/' characters.  This allows an
    application to e.g. generate url or filesystem safe Base64 strings.
Encode the bytes-like object s using Base64 and return a bytes object.
Encode the bytes - like object s using Base64 and return a bytes object .
def b64encode(s, altchars=None):
    """Encode the bytes-like object s using Base64 and return a bytes object.

    Optional altchars should be a byte string of length 2 which specifies an
    alternative alphabet for the '+' and '/' characters.  This allows an
    application to e.g. generate url or filesystem safe Base64 strings.
    """
    encoded = binascii.b2a_base64(s, newline=False)
    if altchars is not None:
        assert len(altchars) == 2, repr(altchars)
        return encoded.translate(bytes.maketrans(b'+/', altchars))
    return encoded
def b64encode ( s , altchars = None ) : encoded = binascii . b2a_base64 ( s , newline = False ) if altchars is not None : assert len ( altchars ) == 2 , repr ( altchars ) return encoded . translate ( bytes . maketrans ( b'+/' , altchars ) ) return encoded