PELP | Python Fiddle

import socket
import os.path
import subprocess
 
extention_list = [".py", ".bat", ".sh"]
 
print("Starting server...")
srv = socket.socket()
error_path = "error.html"
host = "127.0.0.1"
port = 80
 
srv.bind((host, port))
srv.listen(10)
print("Listening for connections...")
 
while True:
    c, addr = srv.accept()
    print("")
    print("Got connection from: " + addr[0])
    data = c.recv(1024)
    string = data.decode("utf-8")
    print("Size of data recieved: " + str(len(string)))
    if "GET " in string:
        dataOveride = False
        print("Initiating file transfer...")
        s = string.index("GET ")
        v = string.index("HTTP/")
        f = string.index("\r\n")
        request = string[int(s):int(f)]
        print("HTTP version: " + string[int(v)+5:int(f)])
        print("Request query: " + request)
        website_path = request[5:-9]
        print("Raw website path: " + website_path)
         
        for i in extention_list:
            print("Checking for " + i)
            if i in website_path:
                print("Found " + i)
                if website_path.rindex(i)+len(i) == len(website_path):
                    start = website_path.rfind('/')
                    if start == -1:
                        start = 0
                    if os.path.isfile(website_path[start:]):
                        print("Running script...")
                        ret = subprocess.check_output(website_path[start:], stderr=subprocess.STDOUT, shell=True)
                        website_data = ret.decode("utf-8")
                        dataOveride = True
                    else:
                        print("Script was not found...")
                        dataOveride = True
                        website_file = open(error_path, 'rb')
                        website_data = website_file.read()
                        website_file.close()
                        website_data = website_data.decode("utf-8")
                 
        if dataOveride == False:
            if '.' not in website_path:
                if website_path == "":
                    website_path += "index.html"
                else:
                    website_path += "/index.html"
                print("Did not find the path, adding /index.html to see if it helps")
                  
            print("File path: " + website_path)
            if os.path.isfile(website_path):
                website_file = open(website_path, 'rb')
                print("File found")
            else:
                website_file = open(error_path, 'rb')
                print("File not found, using error file")
            website_data = website_file.read()
            website_file.close()
        else:
            website_data = website_data.encode("utf-8")
        print("Size of data to send: " + str(len(website_data)))
        print("Transfering file")
        if '.html' in website_path:
            tmp = website_data
            website_data = b"HTTP/1.1 200 OK\n"
            website_data += b"Content-type: text/html\n\n"
            website_data += tmp
        c.send(website_data)
    print("Closing connection with: " + addr[0])
    c.close()

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