Mercurial > vim

annotate src/testdir/test_channel.py @ 25090:73503bafb3bf v8.2.3082

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patch 8.2.3082: a channel command "echoerr" does not show anything Commit: https://github.com/vim/vim/commit/b836f631dba2534efd314a8f77439cebc75acd4e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 1 22:11:28 2021 +0200 patch 8.2.3082: a channel command "echoerr" does not show anything Problem: A channel command "echoerr" does not show anything. Solution: Do not use silent errors when using an "echoerr" command. (closes #8494)
author Bram Moolenaar <Bram@vim.org>
date Thu, 01 Jul 2021 22:15:04 +0200
parents 235be779549f
children 42c9386eebf4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env 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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23
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24 def setup(self):
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25 self.request.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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26
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27 def handle(self):
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28 print("=== socket opened ===")
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29 while True:
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30 try:
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31 received = self.request.recv(4096).decode('utf-8')
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32 except socket.error:
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33 print("=== socket error ===")
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34 break
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35 except IOError:
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36 print("=== socket closed ===")
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37 break
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38 if received == '':
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39 print("=== socket closed ===")
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40 break
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41 print("received: {0}".format(received))
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42
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43 # We may receive two messages at once. Take the part up to the
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44 # newline, which should be after the matching "]".
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45 todo = received
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46 while todo != '':
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47 splitidx = todo.find('\n')
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48 if splitidx < 0:
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49 used = todo
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50 todo = ''
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51 else:
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52 used = todo[:splitidx]
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53 todo = todo[splitidx + 1:]
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54 if used != received:
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55 print("using: {0}".format(used))
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56
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57 try:
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58 decoded = json.loads(used)
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59 except ValueError:
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60 print("json decoding failed")
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61 decoded = [-1, '']
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62
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63 # Send a response if the sequence number is positive.
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64 if decoded[0] >= 0:
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65 if decoded[1] == 'hello!':
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66 # simply send back a string
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67 response = "got it"
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68 elif decoded[1] == 'malformed1':
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69 cmd = '["ex",":"]wrong!["ex","smi"]'
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70 print("sending: {0}".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 # Need to wait for Vim to give up, otherwise it
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74 # sometimes fails on OS X.
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75 time.sleep(0.2)
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76 elif decoded[1] == 'malformed2':
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77 cmd = '"unterminated string'
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78 print("sending: {0}".format(cmd))
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79 self.request.sendall(cmd.encode('utf-8'))
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80 response = "ok"
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81 # Need to wait for Vim to give up, otherwise the double
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82 # quote in the "ok" response terminates the string.
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83 time.sleep(0.2)
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84 elif decoded[1] == 'malformed3':
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85 cmd = '["ex","missing ]"'
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86 print("sending: {0}".format(cmd))
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87 self.request.sendall(cmd.encode('utf-8'))
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88 response = "ok"
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89 # Need to wait for Vim to give up, otherwise the ]
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90 # in the "ok" response terminates the list.
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91 time.sleep(0.2)
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92 elif decoded[1] == 'split':
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93 cmd = '["ex","let '
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94 print("sending: {0}".format(cmd))
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95 self.request.sendall(cmd.encode('utf-8'))
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96 time.sleep(0.01)
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97 cmd = 'g:split = 123"]'
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98 print("sending: {0}".format(cmd))
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99 self.request.sendall(cmd.encode('utf-8'))
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100 response = "ok"
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101 elif decoded[1].startswith("echo "):
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102 # send back the argument
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103 response = decoded[1][5:]
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104 elif decoded[1] == 'make change':
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105 # Send two ex commands at the same time, before
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106 # replying to the request.
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107 cmd = '["ex","call append(\\"$\\",\\"added1\\")"]'
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108 cmd += '["ex","call append(\\"$\\",\\"added2\\")"]'
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109 print("sending: {0}".format(cmd))
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110 self.request.sendall(cmd.encode('utf-8'))
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111 response = "ok"
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112 elif decoded[1] == 'echoerr':
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113 cmd = '["ex","echoerr \\\"this is an error\\\""]'
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114 print("sending: {0}".format(cmd))
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115 self.request.sendall(cmd.encode('utf-8'))
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116 response = "ok"
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117 elif decoded[1] == 'bad command':
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118 cmd = '["ex","foo bar"]'
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119 print("sending: {0}".format(cmd))
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120 self.request.sendall(cmd.encode('utf-8'))
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121 response = "ok"
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122 elif decoded[1] == 'do normal':
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123 # Send a normal command.
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124 cmd = '["normal","G$s more\u001b"]'
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125 print("sending: {0}".format(cmd))
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126 self.request.sendall(cmd.encode('utf-8'))
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127 response = "ok"
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128 elif decoded[1] == 'eval-works':
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129 # Send an eval request. We ignore the response.
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130 cmd = '["expr","\\"foo\\" . 123", -1]'
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131 print("sending: {0}".format(cmd))
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132 self.request.sendall(cmd.encode('utf-8'))
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133 response = "ok"
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134 elif decoded[1] == 'eval-special':
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135 # Send an eval request. We ignore the response.
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136 cmd = '["expr","\\"foo\x7f\x10\x01bar\\"", -2]'
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137 print("sending: {0}".format(cmd))
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138 self.request.sendall(cmd.encode('utf-8'))
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139 response = "ok"
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140 elif decoded[1] == 'eval-getline':
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141 # Send an eval request. We ignore the response.
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142 cmd = '["expr","getline(3)", -3]'
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143 print("sending: {0}".format(cmd))
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144 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
145 response = "ok"
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146 elif decoded[1] == 'eval-fails':
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147 # Send an eval request that will fail.
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148 cmd = '["expr","xxx", -4]'
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149 print("sending: {0}".format(cmd))
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150 self.request.sendall(cmd.encode('utf-8'))
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151 response = "ok"
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152 elif decoded[1] == 'eval-error':
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153 # Send an eval request that works but the result can't
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154 # be encoded.
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155 cmd = '["expr","function(\\"tr\\")", -5]'
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156 print("sending: {0}".format(cmd))
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157 self.request.sendall(cmd.encode('utf-8'))
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158 response = "ok"
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159 elif decoded[1] == 'eval-bad':
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160 # Send an eval request missing the third argument.
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161 cmd = '["expr","xxx"]'
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162 print("sending: {0}".format(cmd))
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diff changeset
163 self.request.sendall(cmd.encode('utf-8'))
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164 response = "ok"
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165 elif decoded[1] == 'an expr':
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166 # Send an expr request.
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167 cmd = '["expr","setline(\\"$\\", [\\"one\\",\\"two\\",\\"three\\"])"]'
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168 print("sending: {0}".format(cmd))
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169 self.request.sendall(cmd.encode('utf-8'))
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170 response = "ok"
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171 elif decoded[1] == 'call-func':
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172 cmd = '["call","MyFunction",[1,2,3], 0]'
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173 print("sending: {0}".format(cmd))
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174 self.request.sendall(cmd.encode('utf-8'))
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175 response = "ok"
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176 elif decoded[1] == 'redraw':
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177 cmd = '["redraw",""]'
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178 print("sending: {0}".format(cmd))
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179 self.request.sendall(cmd.encode('utf-8'))
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180 response = "ok"
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181 elif decoded[1] == 'redraw!':
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182 cmd = '["redraw","force"]'
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183 print("sending: {0}".format(cmd))
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184 self.request.sendall(cmd.encode('utf-8'))
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185 response = "ok"
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186 elif decoded[1] == 'empty-request':
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187 cmd = '[]'
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188 print("sending: {0}".format(cmd))
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189 self.request.sendall(cmd.encode('utf-8'))
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190 response = "ok"
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191 elif decoded[1] == 'eval-result':
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192 # Send back the last received eval result.
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193 response = last_eval
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194 elif decoded[1] == 'call me':
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195 cmd = '[0,"we called you"]'
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196 print("sending: {0}".format(cmd))
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197 self.request.sendall(cmd.encode('utf-8'))
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198 response = "ok"
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199 elif decoded[1] == 'call me again':
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200 cmd = '[0,"we did call you"]'
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201 print("sending: {0}".format(cmd))
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202 self.request.sendall(cmd.encode('utf-8'))
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203 response = ""
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204 elif decoded[1] == 'send zero':
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205 cmd = '[0,"zero index"]'
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206 print("sending: {0}".format(cmd))
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207 self.request.sendall(cmd.encode('utf-8'))
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208 response = "sent zero"
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209 elif decoded[1] == 'close me':
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210 print("closing")
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211 self.request.close()
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212 response = ""
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213 elif decoded[1] == 'wait a bit':
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214 time.sleep(0.2)
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215 response = "waited"
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216 elif decoded[1] == '!quit!':
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217 # we're done
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218 self.server.shutdown()
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219 return
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220 elif decoded[1] == '!crash!':
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221 # Crash!
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222 42 / 0
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223 else:
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224 response = "what?"
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225
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226 if response == "":
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227 print("no response")
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228 else:
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229 encoded = json.dumps([decoded[0], response])
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230 print("sending: {0}".format(encoded))
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231 self.request.sendall(encoded.encode('utf-8'))
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232
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233 # Negative numbers are used for "eval" responses.
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234 elif decoded[0] < 0:
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235 last_eval = decoded
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236
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237 class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
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238 pass
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239
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240 def writePortInFile(port):
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241 # Write the port number in Xportnr, so that the test knows it.
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242 f = open("Xportnr", "w")
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243 f.write("{0}".format(port))
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244 f.close()
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245
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246 def main(host, port, server_class=ThreadedTCPServer):
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247 # Wait half a second before opening the port to test waittime in ch_open().
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248 # We do want to get the port number, get that first. We cannot open the
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249 # socket, guess a port is free.
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250 if len(sys.argv) >= 2 and sys.argv[1] == 'delay':
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251 port = 13684
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252 writePortInFile(port)
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253
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254 print("Wait for it...")
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255 time.sleep(0.5)
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256
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257 server = server_class((host, port), ThreadedTCPRequestHandler)
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258 ip, port = server.server_address[0:2]
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259
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260 # Start a thread with the server. That thread will then start a new thread
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261 # for each connection.
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262 server_thread = threading.Thread(target=server.serve_forever)
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263 server_thread.start()
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264
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265 writePortInFile(port)
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266
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267 print("Listening on port {0}".format(port))
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268
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269 # Main thread terminates, but the server continues running
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270 # until server.shutdown() is called.
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271 try:
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272 while server_thread.is_alive():
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273 server_thread.join(1)
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274 except (KeyboardInterrupt, SystemExit):
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275 server.shutdown()
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276
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277 if __name__ == "__main__":
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278 main("localhost", 0)