Python a simple Web server and client

Server:

Create a connection socket when a customer contacts receive an HTTP request (*) from this connection to interpret the specific file requested by the request
Get the file from the server's file system and send the file contents if the file does not exist, then return "404 Not Found" (*)

Client:

Client can establish a TCP connection with the server

Client requests a file on the server side over a TCP connection

Display the contents of the file presented to the client

Note: Before running this file, the server.py directory needs to contain the file folder, which contains the files in the server, the client can request files from the server file.

Readme: First Open the server.py, turn on the server
Then open client.py, enter the file name, including the suffix
The server filesystem is the file folder
Specific information about the file that appears in the client.py command-line window
Press any key to close the client



client.py
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2. Import socket
4. ServerName = ' 127.0.0.1 '
6. ServerPort = 50008
8. Clientsocket = Socket.socket (socket.af_inet,socket. SOCK_STREAM)
10. Clientsocket.connect ((Servername,serverport))
12. Print ' Input the HTTP request: '
14. sentence = ' '
16. While True:
18. TMP = Raw_input ()
20. Sentence = sentence + tmp
22. if (tmp=="): break
24. Clientsocket.send (sentence)
26. Receivesentence = Clientsocket.recv (1024x768)
28. Print ' from Server: ', receivesentence
30. Isend = Raw_input ()
32. Clientsocket.close ()

server.py
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2. Import socket
4. Import OS
8. ServerPort = 50008
10. ServerSocket = Socket.socket (socket.af_inet,socket. SOCK_STREAM)
12. Serversocket.bind ((' 127.0.0.1 ', serverport))
14. Serversocket.listen (1)
16. print ' The server is a ready to receive '
18. While 1:
20. Connectionsocket, addr = Serversocket.accept ()
22. Sentence = Connectionsocket.recv (1024x768)
24. Ans = "
26. flag = False;
28. For ch in sentence:
30. if (ch = = "and flag = =True) : break
32. if (flag = = True):
34. ans = ans + ch;
36. elif (ch=="):
38. flag = True;
42. Path = ' file//' + ans
44. if (os.path.exists (path) = =False):
46. Connectionsocket.send (' 404 Not Found ')
48. Else:
50. File = open (path,' R ')
52. while 1:
54. data = File.read (1024x768)
56. if not data: break
58. Connectionsocket.send (data)
60. File.close ()
62. Connectionsocket.close ()

Python a simple Web server and client