http echo server with python

http_echo_server.py

from http.server import BaseHTTPRequestHandler

class PostHandler(BaseHTTPRequestHandler):
    
    def do_POST(self):
        self.answer()
		
        self.print_delimiter()
        self.print_request_header()
        self.print_request_body()
        self.print_delimiter()
        return
        
    def print_delimiter(self):
        print("-" * 30)
        
    def print_request_header(self):
        print(self.headers)
        
    def print_request_body(self):
        content_length = int(self.headers["content-length"])  
        req_str = ''  
        if (content_length):  
            to_read = content_length  
            while len(req_str) < content_length:  
                _req_str = self.rfile.read(to_read)  
                to_read -= len(_req_str)  
                req_str += _req_str.decode('iso-8859-1')
        
        print(req_str)
        
    def answer(self):
        self.send_header("Content-Type", "text/xml;charset=ISO-8859-1")
        self.send_header("Accept", "text/xml;charset=ISO-8859-1")
        self.send_response(200)
        self.end_headers()

if __name__ == '__main__':
    from http.server import HTTPServer
    port = 12999
    server = HTTPServer(('localhost', port), PostHandler)
    print('Listening on localhost:' + str(port) + ', use <Ctrl-C> to stop')
    server.serve_forever()