annotate console.py @ 179:90b2545f7459

This fixes the director exception when running a command in the console.
author Beliar <KarstenBock@gmx.net>
date Wed, 07 Mar 2012 20:04:48 +0100
parents c706963ed0c3
children 7b6aba7839ea
rev   line source
0
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1 # This program is free software: you can redistribute it and/or modify
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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10
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13
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14 import re
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15 import os
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16 import sys
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17 from StringIO import StringIO
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18 import code
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19
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20 class Console:
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21 def __init__(self, app_listener):
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22 """
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23 @type appListener: ApplicationListener
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24 @param appListener: ApplicationListener object providing a link with
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25 the Controller, the view and the GameModel"""
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26 exit_help = "Terminate application"
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27 grid_help = "Toggle grid display"
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28 run_help = "Toggle player run/walk"
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29 help_help = "Show this help string"
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30 load_help = "Usage: load directory file"
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31 python_help = "Run some python code"
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32 quit_help = "Terminate application"
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33 save_help = "Usage: save directory file"
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34 pause_help = "Pause/Unpause the game"
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35
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36 self.commands = [
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37 {"cmd":"exit" ,"callback":self.handleQuit ,"help": exit_help},
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38 {"cmd":"grid" ,"callback":self.handleGrid ,"help": grid_help},
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39 {"cmd":"help" ,"callback":self.handleHelp ,"help": help_help},
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40 {"cmd":"load" ,"callback":self.handleLoad ,"help": load_help},
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41 {"cmd":"pause" ,"callback":self.handlePause ,"help": pause_help},
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42 {"cmd":"python","callback":self.handlePython,"help": python_help},
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43 {"cmd":"run" ,"callback":self.handleRun ,"help": run_help},
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44 {"cmd":"save" ,"callback":self.handleSave ,"help": save_help},
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45 {"cmd":"quit" ,"callback":self.handleQuit ,"help": quit_help},
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46 ]
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47 self.app_listener = app_listener
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48 self.view = self.app_listener.view
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49 self.model = self.app_listener.model
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50 self.game_state = self.app_listener.view.model.game_state
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51
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52 def handleQuit(self, command):
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53 """Implements the quit console command
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54 @type command: string
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55 @param command: The command to run
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56 @return: The resultstring"""
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57 self.app_listener.quitGame()
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58 return "Terminating ..."
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59
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60 def handlePause(self, command):
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61 """Implements the pause console command
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62 @type command: string
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63 @param command: The command to run
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64 @return: The resultstring"""
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65 self.model.togglePause()
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66 return "Game (un)paused"
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67
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68 def handleGrid(self, command):
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69 """Implements the grid console command
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70 @type command: string
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71 @param command: The command to run
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72 @return: The resultstring"""
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73 self.app_listener.view.active_map.toggleRenderer('GridRenderer')
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74 return "Grid toggled"
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75
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76 def handleRun(self, command):
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77 """Toggles run/walk mode of the PC player
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78 @type command: string
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79 @param command: The command to run.
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80 @return: The response"""
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81 if self.app_listener.model.pc_run == 1:
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82 self.app_listener.model.pc_run = 0
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83 return "PC is now walking"
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84 else:
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85 self.app_listener.model.pc_run = 1
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86 return "PC is now running"
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87
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88 def handleHelp(self, command):
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89 """Implements the help console command
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90 @type command: string
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91 @param command: The command to run
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92 @return: The resultstring"""
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93 res = ""
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94 for cmd in self.commands:
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95 res += "%10s: %s\n" % (cmd["cmd"], cmd["help"])
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96 return res
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97
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98 def handlePython(self,command):
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99 console_locals = {
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100 "__name__":"__paprg_console__",
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101 "__doc__": None,
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102 }
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103 vals, funcs = self.game_state.getGameEnvironment()
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104 console_locals.update(vals)
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105 console_locals.update(funcs)
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106
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107 console = code.InteractiveConsole(console_locals)
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108
0
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109 user_code = command[7:len(command)]
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110
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111 codeOut = StringIO()
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112
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113 #make stdout and stderr write to our file, not the terminal
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114 sys.stdout = codeOut
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115 sys.stderr = codeOut
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116
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117 #Workaround it not being possible to enter a blank line in the console
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118 if user_code == " ":
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119 user_code = ""
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120
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121 #Process the code
178
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122 console.push(user_code)
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123 if len(console.buffer) == 0:
0
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124 output = codeOut.getvalue()
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125 else:
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126 output = "..."
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127
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128
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129 #restore stdout and stderr
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130 sys.stdout = sys.__stdout__
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131 sys.stderr = sys.__stderr__
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132 temp_output = output
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133 output = ""
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134 counter = 0
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135
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136 #Make the output fit in the console screen
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137 for char in temp_output:
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138 counter += 1
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139 if char == "\n":
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140 counter = 0
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141 elif counter == 110:
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142 output += "\n"
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143 counter = 0
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144 output += char
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145
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146 return output
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147
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148 def handleLoad(self, command):
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149 """Implements the load console command
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150 @type command: string
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151 @param command: The command to run
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152 @return: The resultstring"""
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153 result = None
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154 load_regex = re.compile('^load')
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155 l_matches = load_regex.match(command.lower())
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156 if (l_matches is not None):
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157 end_load = l_matches.end()
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158 try:
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159 l_args = command.lower()[end_load + 1:].strip()
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160 l_path, l_filename = l_args.split(' ')
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161 self.app_listener.model.load_save = True
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162 self.app_listener.model.savegame = os.path.join(l_path, l_filename)
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163 result = "Load triggered"
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164
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165 except Exception, l_error:
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166 self.app_listener.engine.getGuiManager().getConsole().println('Error: ' + str(l_error))
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167 result="Failed to load file"
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168
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169 return result
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170
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171 def handleSave(self, command):
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172 """Implements the save console command
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173 @type command: string
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174 @param command: The command to run
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175 @return: The resultstring"""
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176 save_regex = re.compile('^save')
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177 s_matches = save_regex.match(command.lower())
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178 if (s_matches != None):
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179 end_save = s_matches.end()
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180 try:
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181 s_args = command.lower()[end_save+1:].strip()
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182 s_path, s_filename = s_args.split(' ')
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183 self.app_listener.model.save(s_path, s_filename)
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184 result = "Saved to file: " + s_path + s_filename
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185
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186 except Exception, s_error:
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187 self.app_listener.engine.getGuiManager().getConsole(). \
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188 println('Error: ' + str(s_error))
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189 result = "Failed to save file"
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190 return result
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191
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192 def handleConsoleCommand(self, command):
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193 """Implements the console logic
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194 @type command: string
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195 @param command: The command to run
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196 @return: The response string """
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197 result = None
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198 for cmd in self.commands:
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199 regex = re.compile('^' + cmd["cmd"])
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200 if regex.match(command.lower()):
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201 result=cmd["callback"](command)
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202
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203 if result is None:
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204 result = self.handlePython("python " + command)
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205 return result