aroly

import string, struct

def encode(string, xml=False):
    string = string.encode('utf-8')
    if xml:
        const = '\x0f' # AMF0 XML document
        size = struct.pack("!L", len(string)) # Size on 4 bytes
    else:
        const = '' # AMF0 URI
        size = struct.pack("!H", len(string)) # Size on 2 bytes