Python implementation file, video transmission

# server 

import socket
import json

sk = socket.socket()
sk.bind(('127.0.0.1',9001))
sk.listen()
conn,addr = sk.accept()

json_dic = conn.recv(1024).decode('utf-8')
dic = json.loads(json_dic)
file_path = 'F:'+'\\' + dic['file_name']

with open(file_path,'wb') as f:
    while dic['file_size'] > 0:
        file_conet = conn.recv(1024)
        dic['file_size'] -= len(file_conet)
        f.write(file_conet)

conn.close()
sk.close()

# Client 
Import socket
 Import os
 Import json 

SK = socket.socket () 
sk.connect (( ' 127.0.0.1 ' , 9001 )) 

File = r ' F: Video \ 155_ based WAF \ Nginx core knowledge say 100 \ OpenResty of firewall .mp4 ' 
FILE_SIZE = os.path.getsize (File) 
file_name = os.path.basename (File) 
DIC = { ' file_name ' : file_name, ' FILE_SIZE ' : FILE_SIZE} 

json_dic = json.dumps (DIC) 
sk.send (json_dic.encode ( 'utf-8'))

with open(file,'rb') as f:
    conntent = f.read()
    sk.send(conntent)

sk.close()