Mercurial > vim

annotate src/testdir/test_channel.py @ 8153:240deebfadde v7.4.1370

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commit https://github.com/vim/vim/commit/ddbe7d26b10c4374f406b807ae161826cf2096e1 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 20 18:26:48 2016 +0100 patch 7.4.1370 Problem: The Python test script may keep on running. Solution: Join the threads. (Yasuhiro Matsumoto)
author Christian Brabandt <cb@256bit.org>
date Sat, 20 Feb 2016 18:30:05 +0100
parents 4aea0b0aa714
children d0958e22d9ff
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 # Used by test_channel.vim.
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5 #
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6 # This requires Python 2.6 or later.
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7
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8 from __future__ import print_function
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9 import json
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10 import socket
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11 import sys
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12 import time
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13 import threading
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14
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15 try:
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16 # Python 3
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17 import socketserver
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18 except ImportError:
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19 # Python 2
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20 import SocketServer as socketserver
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22 class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
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24 def handle(self):
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25 print("=== socket opened ===")
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26 while True:
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27 try:
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28 received = self.request.recv(4096).decode('utf-8')
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29 except socket.error:
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30 print("=== socket error ===")
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31 break
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32 except IOError:
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33 print("=== socket closed ===")
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34 break
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35 if received == '':
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36 print("=== socket closed ===")
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37 break
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38 print("received: {}".format(received))
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40 # We may receive two messages at once. Take the part up to the
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41 # matching "]" (recognized by finding "][").
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42 todo = received
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43 while todo != '':
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44 splitidx = todo.find('][')
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45 if splitidx < 0:
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46 used = todo
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47 todo = ''
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48 else:
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49 used = todo[:splitidx + 1]
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50 todo = todo[splitidx + 1:]
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51 if used != received:
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52 print("using: {}".format(used))
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54 try:
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55 decoded = json.loads(used)
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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 if decoded[0] >= 0:
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62 if decoded[1] == 'hello!':
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63 # simply send back a string
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64 response = "got it"
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65 elif decoded[1] == 'make change':
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66 # Send two ex commands at the same time, before
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67 # replying to the request.
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68 cmd = '["ex","call append(\\"$\\",\\"added1\\")"]'
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69 cmd += '["ex","call append(\\"$\\",\\"added2\\")"]'
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70 print("sending: {}".format(cmd))
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71 self.request.sendall(cmd.encode('utf-8'))
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72 response = "ok"
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73 elif decoded[1] == 'do normal':
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74 # Send a normal command.
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75 cmd = '["normal","G$s more\u001b"]'
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76 print("sending: {}".format(cmd))
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77 self.request.sendall(cmd.encode('utf-8'))
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78 response = "ok"
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79 elif decoded[1] == 'eval-works':
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80 # Send an eval request. We ignore the response.
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81 cmd = '["eval","\\"foo\\" . 123", -1]'
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82 print("sending: {}".format(cmd))
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83 self.request.sendall(cmd.encode('utf-8'))
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84 response = "ok"
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85 elif decoded[1] == 'eval-fails':
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86 # Send an eval request that will fail.
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87 cmd = '["eval","xxx", -2]'
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88 print("sending: {}".format(cmd))
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89 self.request.sendall(cmd.encode('utf-8'))
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90 response = "ok"
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91 elif decoded[1] == 'eval-error':
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92 # Send an eval request that works but the result can't
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93 # be encoded.
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94 cmd = '["eval","function(\\"tr\\")", -3]'
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95 print("sending: {}".format(cmd))
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96 self.request.sendall(cmd.encode('utf-8'))
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97 response = "ok"
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98 elif decoded[1] == 'eval-bad':
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99 # Send an eval request missing the third argument.
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100 cmd = '["eval","xxx"]'
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101 print("sending: {}".format(cmd))
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102 self.request.sendall(cmd.encode('utf-8'))
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103 response = "ok"
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104 elif decoded[1] == 'an expr':
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105 # Send an expr request.
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106 cmd = '["expr","setline(\\"$\\", [\\"one\\",\\"two\\",\\"three\\"])"]'
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107 print("sending: {}".format(cmd))
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108 self.request.sendall(cmd.encode('utf-8'))
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109 response = "ok"
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110 elif decoded[1] == 'redraw':
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111 cmd = '["redraw",""]'
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112 print("sending: {}".format(cmd))
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113 self.request.sendall(cmd.encode('utf-8'))
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114 response = "ok"
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115 elif decoded[1] == 'redraw!':
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116 cmd = '["redraw","force"]'
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117 print("sending: {}".format(cmd))
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118 self.request.sendall(cmd.encode('utf-8'))
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119 response = "ok"
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120 elif decoded[1] == 'empty-request':
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121 cmd = '[]'
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122 print("sending: {}".format(cmd))
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123 self.request.sendall(cmd.encode('utf-8'))
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124 response = "ok"
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125 elif decoded[1] == 'eval-result':
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126 # Send back the last received eval result.
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127 response = last_eval
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128 elif decoded[1] == 'call me':
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129 cmd = '[0,"we called you"]'
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130 print("sending: {}".format(cmd))
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131 self.request.sendall(cmd.encode('utf-8'))
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132 response = "ok"
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133 elif decoded[1] == 'call me again':
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134 cmd = '[0,"we did call you"]'
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135 print("sending: {}".format(cmd))
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136 self.request.sendall(cmd.encode('utf-8'))
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137 response = ""
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138 elif decoded[1] == '!quit!':
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139 # we're done
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140 self.server.shutdown()
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141 return
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142 elif decoded[1] == '!crash!':
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143 # Crash!
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144 42 / 0
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145 else:
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146 response = "what?"
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147
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148 if response == "":
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149 print("no response")
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150 else:
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151 encoded = json.dumps([decoded[0], response])
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152 print("sending: {}".format(encoded))
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153 self.request.sendall(encoded.encode('utf-8'))
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154
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155 # Negative numbers are used for "eval" responses.
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156 elif decoded[0] < 0:
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157 last_eval = decoded
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158
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159 class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
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160 pass
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161
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162 def writePortInFile(port):
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163 # Write the port number in Xportnr, so that the test knows it.
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164 f = open("Xportnr", "w")
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165 f.write("{}".format(port))
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166 f.close()
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167
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168 if __name__ == "__main__":
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169 HOST, PORT = "localhost", 0
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170
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171 # Wait half a second before opening the port to test waittime in ch_open().
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172 # We do want to get the port number, get that first. We cannot open the
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173 # socket, guess a port is free.
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174 if len(sys.argv) >= 2 and sys.argv[1] == 'delay':
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175 PORT = 13684
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176 writePortInFile(PORT)
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177
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178 print("Wait for it...")
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179 time.sleep(0.5)
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180
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181 server = ThreadedTCPServer((HOST, PORT), ThreadedTCPRequestHandler)
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182 ip, port = server.server_address
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183
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184 # Start a thread with the server. That thread will then start a new thread
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185 # for each connection.
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186 server_thread = threading.Thread(target=server.serve_forever)
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187 server_thread.start()
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188
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189 writePortInFile(port)
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190
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191 print("Listening on port {}".format(port))
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192
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193 # Main thread terminates, but the server continues running
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194 # until server.shutdown() is called.
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195 try:
240deebfadde commit https://github.com/vim/vim/commit/ddbe7d26b10c4374f406b807ae161826cf2096e1
Christian Brabandt <cb@256bit.org>
parents: 8114
diff changeset
196 while server_thread.isAlive():
240deebfadde commit https://github.com/vim/vim/commit/ddbe7d26b10c4374f406b807ae161826cf2096e1
Christian Brabandt <cb@256bit.org>
parents: 8114
diff changeset
197 server_thread.join(1)
240deebfadde commit https://github.com/vim/vim/commit/ddbe7d26b10c4374f406b807ae161826cf2096e1
Christian Brabandt <cb@256bit.org>
parents: 8114
diff changeset
198 except (KeyboardInterrupt, SystemExit):
240deebfadde commit https://github.com/vim/vim/commit/ddbe7d26b10c4374f406b807ae161826cf2096e1
Christian Brabandt <cb@256bit.org>
parents: 8114
diff changeset
199 server.shutdown()