Mercurial > vim

annotate runtime/tools/demoserver.py @ 20788:072ad890c227 v8.2.0946

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patch 8.2.0946: cannot use "q" to cancel a number prompt Commit: https://github.com/vim/vim/commit/eebd555733491cb55b9f30fe28772c0fd0ebacf7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jun 10 15:45:57 2020 +0200 patch 8.2.0946: cannot use "q" to cancel a number prompt Problem: Cannot use "q" to cancel a number prompt. Solution: Recognize "q" instead of ignoring it.
author Bram Moolenaar <Bram@vim.org>
date Wed, 10 Jun 2020 16:00:05 +0200
parents ed7251c3e2d3
children c725b8e17f1f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/python
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2 #
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3 # Server that will accept connections from a Vim channel.
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4 # Run this server and then in Vim you can open the channel:
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5 # :let handle = ch_open('localhost:8765')
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6 #
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7 # Then Vim can send requests to the server:
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8 # :let response = ch_sendexpr(handle, 'hello!')
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9 #
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10 # And you can control Vim by typing a JSON message here, e.g.:
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11 # ["ex","echo 'hi there'"]
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12 #
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13 # There is no prompt, just type a line and press Enter.
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14 # To exit cleanly type "quit<Enter>".
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15 #
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16 # See ":help channel-demo" in Vim.
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17 #
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18 # This requires Python 2.6 or later.
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19
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20 from __future__ import print_function
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21 import json
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22 import socket
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23 import sys
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24 import threading
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25
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26 try:
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27 # Python 3
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28 import socketserver
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29 except ImportError:
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30 # Python 2
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31 import SocketServer as socketserver
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32
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33 thesocket = None
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34
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35 class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
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37 def handle(self):
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38 print("=== socket opened ===")
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39 global thesocket
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40 thesocket = self.request
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41 while True:
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42 try:
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43 data = self.request.recv(4096).decode('utf-8')
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44 except socket.error:
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45 print("=== socket error ===")
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46 break
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47 except IOError:
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48 print("=== socket closed ===")
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49 break
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50 if data == '':
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51 print("=== socket closed ===")
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52 break
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53 print("received: {0}".format(data))
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54 try:
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55 decoded = json.loads(data)
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56 except ValueError:
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57 print("json decoding failed")
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58 decoded = [-1, '']
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59
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60 # Send a response if the sequence number is positive.
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61 # Negative numbers are used for "eval" responses.
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62 if decoded[0] >= 0:
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63 if decoded[1] == 'hello!':
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64 response = "got it"
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65 else:
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66 response = "what?"
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67 encoded = json.dumps([decoded[0], response])
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68 print("sending {0}".format(encoded))
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69 self.request.sendall(encoded.encode('utf-8'))
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70 thesocket = None
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71
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72 class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
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73 pass
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74
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75 if __name__ == "__main__":
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76 HOST, PORT = "localhost", 8765
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78 server = ThreadedTCPServer((HOST, PORT), ThreadedTCPRequestHandler)
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79 ip, port = server.server_address
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81 # Start a thread with the server -- that thread will then start one
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82 # more thread for each request
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83 server_thread = threading.Thread(target=server.serve_forever)
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84
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85 # Exit the server thread when the main thread terminates
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86 server_thread.daemon = True
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87 server_thread.start()
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88 print("Server loop running in thread: ", server_thread.name)
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89
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90 print("Listening on port {0}".format(PORT))
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91 while True:
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92 typed = sys.stdin.readline()
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93 if "quit" in typed:
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94 print("Goodbye!")
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95 break
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96 if thesocket is None:
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97 print("No socket yet")
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98 else:
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99 print("sending {0}".format(typed))
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100 thesocket.sendall(typed.encode('utf-8'))
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101
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102 server.shutdown()
192ae655ac91 commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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103 server.server_close()