[python] socket programming simple example

#socket_client.py
import socket
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
client.connect(('127.0.0.1', 8000))
while True:
    re_data = input()
    client.send(re_data.encode("utf8"))
    data = client.recv(1024)
    print(data.decode("utf8"))
# client.send("bobby".encode("utf8"))
# data = client.recv(1024)
# print (data.decode("utf8"))
# client.close()
#socket_server.py
import socket
import threading

server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
server.bind(('0.0.0.0', 8000))
server.listen()


def handle_sock(sock, addr):
    while True:
        data = sock.recv(1024)
        print(data.decode("utf8"))
        re_data = input()
        sock.send(re_data.encode("utf8"))

#Get the data sent from the client
#Get 1k data at a time
while True:
    sock, addr = server.accept()

    #Use thread to process the newly received connection (user)client_thread = threading.Thread(target=handle_sock, args=(sock, addr))
    Client_thread.start()# data = sock.recv(1024)
    # print(data.decode("utf8"))
    # re_data = input()
    # sock.send(re_data.encode("utf8"))
    # server.close()
    # sock.close()

#socket_http.py

#requests -> urlib -> socket
import socket
from urllib.parse import urlparse


def get_url(url):
    #Request htmlurl = urlparse(url) via socket
    Host = url.netloc
    Path = url.pathif path == "":
        path = "/"

    #Create socket connectionclient = socket.socket(socket.AF_INET, socket.SOCK_STREAM)# client.setblocking(False)
    client.connect((host, 80)) # Blocking does not consume cpu

    # Whether it is established, you need to keep the loop to check the status 
    # to do the calculation task or initiate another connection request again client.send("GET {} HTTP/1.1\r\nHost:{}\r\nConnection:close\r\n\r\n".format(path, host).encode("utf8"))

    data = b""
    while True:
        d = client.recv(1024)
        if d:
            data += d
        else:
            break

    data = data.decode("utf8")
    html_data = data.split("\r\n\r\n")[1]
    print(html_data)
    client.close()

if __name__ == "__main__":
    import time
    start_time = time.time()
    for url in range(20):
        url = "http://shop.projectsedu.com/goods/{}/".format(url)
        get_url(url)
    print(time.time()-start_time)