A simple HTTP server for debugging POST request content-length header and actual content length.

post_debug_server.py

#!/usr/bin/env python3
import http.server
import socketserver


PORT = 8000


class CustomHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
    def do_POST(self):      
        print('Received header Content-Length: ', self.headers['Content-Length'])
        content = self.rfile.read(int(self.headers['Content-Length']))
        print('Received actual bytes: ', len(content))
        self.send_response(200)
        self.end_headers()
        self.rfile.close()


with socketserver.TCPServer(('', PORT), CustomHTTPRequestHandler) as httpd:
    print('serving at port', PORT)
    httpd.serve_forever()