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@@ -1,1050 +1,1046 b'' | |||
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1 | 1 | #!/usr/bin/python |
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2 | 2 | # -*- coding: iso-8859-15 -*- |
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3 | 3 | ''' |
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4 | 4 | Provides IPython WX console widget. |
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5 | 5 | |
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6 | 6 | @author: Laurent Dufrechou |
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7 | 7 | laurent.dufrechou _at_ gmail.com |
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8 | 8 | This WX widget is based on the original work of Eitan Isaacson |
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9 | 9 | that provided the console for the GTK toolkit. |
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10 | 10 | |
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11 | 11 | Original work from: |
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12 | 12 | @author: Eitan Isaacson |
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13 | 13 | @organization: IBM Corporation |
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14 | 14 | @copyright: Copyright (c) 2007 IBM Corporation |
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15 | 15 | @license: BSD |
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16 | 16 | |
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17 | 17 | All rights reserved. This program and the accompanying materials are made |
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18 | 18 | available under the terms of the BSD which accompanies this distribution, and |
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19 | 19 | is available at U{http://www.opensource.org/licenses/bsd-license.php} |
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20 | 20 | ''' |
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21 | 21 | |
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22 | 22 | __version__ = 0.8 |
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23 | 23 | __author__ = "Laurent Dufrechou" |
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24 | 24 | __email__ = "laurent.dufrechou _at_ gmail.com" |
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25 | 25 | __license__ = "BSD" |
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26 | 26 | |
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27 | 27 | import wx |
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28 | 28 | import wx.stc as stc |
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29 | 29 | import wx.lib.newevent |
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30 | 30 | |
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31 | 31 | import re |
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32 | 32 | import sys |
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33 | 33 | import os |
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34 | 34 | import locale |
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35 | 35 | import time |
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36 | 36 | from ThreadEx import Thread |
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37 | 37 | from StringIO import StringIO |
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38 | 38 | |
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39 | 39 | try: |
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40 | 40 | import IPython |
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41 | 41 | except Exception,e: |
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42 | 42 | raise "Error importing IPython (%s)" % str(e) |
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43 | 43 | |
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44 | 44 | class IterableIPShell(Thread): |
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45 | 45 | ''' |
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46 | 46 | Create an IPython instance inside a dedicated thread. |
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47 | 47 | Does not start a blocking event loop, instead allow single iterations. |
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48 | 48 | This allows embedding in any GUI without blockage. |
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49 | 49 | The thread is a slave one, in that it doesn't interact directly with the GUI. |
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50 | 50 | Note Thread class comes from ThreadEx that supports asynchroneous function call |
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51 | 51 | via raise_exc() |
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52 | 52 | ''' |
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53 | 53 | |
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54 | 54 | def __init__(self,argv=[],user_ns=None,user_global_ns=None, |
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55 | 55 | cin=None, cout=None, cerr=None, |
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56 | 56 | exit_handler=None,time_loop = 0.1): |
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57 | 57 | ''' |
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58 | 58 | @param argv: Command line options for IPython |
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59 | 59 | @type argv: list |
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60 | 60 | @param user_ns: User namespace. |
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61 | 61 | @type user_ns: dictionary |
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62 | 62 | @param user_global_ns: User global namespace. |
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63 | 63 | @type user_global_ns: dictionary. |
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64 | 64 | @param cin: Console standard input. |
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65 | 65 | @type cin: IO stream |
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66 | 66 | @param cout: Console standard output. |
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67 | 67 | @type cout: IO stream |
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68 | 68 | @param cerr: Console standard error. |
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69 | 69 | @type cerr: IO stream |
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70 | 70 | @param exit_handler: Replacement for builtin exit() function |
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71 | 71 | @type exit_handler: function |
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72 | 72 | @param time_loop: Define the sleep time between two thread's loop |
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73 | 73 | @type int |
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74 | 74 | ''' |
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75 | 75 | Thread.__init__(self) |
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76 | 76 | |
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77 | 77 | #first we redefine in/out/error functions of IPython |
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78 | 78 | if cin: |
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79 | 79 | IPython.Shell.Term.cin = cin |
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80 | 80 | if cout: |
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81 | 81 | IPython.Shell.Term.cout = cout |
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82 | 82 | if cerr: |
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83 | 83 | IPython.Shell.Term.cerr = cerr |
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84 | 84 | |
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85 | 85 | # This is to get rid of the blockage that accurs during |
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86 | 86 | # IPython.Shell.InteractiveShell.user_setup() |
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87 | 87 | IPython.iplib.raw_input = lambda x: None |
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88 | 88 | |
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89 | 89 | self._term = IPython.genutils.IOTerm(cin=cin, cout=cout, cerr=cerr) |
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90 | 90 | |
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91 | 91 | excepthook = sys.excepthook |
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92 | 92 | self._IP = IPython.Shell.make_IPython( |
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93 | 93 | argv,user_ns=user_ns, |
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94 | 94 | user_global_ns=user_global_ns, |
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95 | 95 | embedded=True, |
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96 | 96 | shell_class=IPython.Shell.InteractiveShell) |
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97 | 97 | |
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98 | 98 | #we replace IPython default encoding by wx locale encoding |
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99 | 99 | loc = locale.getpreferredencoding() |
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100 | 100 | if loc: |
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101 | 101 | self._IP.stdin_encoding = loc |
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102 | 102 | #we replace the ipython default pager by our pager |
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103 | #FIXME: add a pager callback to IPython | |
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104 | IPython.OInspect.page = self._pager | |
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105 | IPython.genutils.page = self._pager | |
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106 | IPython.iplib.page = self._pager | |
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107 | IPython.Magic.page = self._pager | |
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103 | self._IP.set_hook('show_in_pager',self._pager) | |
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108 | 104 | |
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109 | 105 | #we replace the ipython default shell command caller by our shell handler |
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110 | 106 | self._IP.set_hook('shell_hook',self._shell) |
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111 | 107 | |
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112 | 108 | #we replace the ipython default input command caller by our method |
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113 | 109 | IPython.iplib.raw_input_original = self._raw_input |
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114 | 110 | #we replace the ipython default exit command by our method |
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115 | 111 | self._IP.exit = self._setAskExit |
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116 | 112 | |
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117 | 113 | sys.excepthook = excepthook |
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118 | 114 | |
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119 | 115 | self._iter_more = 0 |
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120 | 116 | self._history_level = 0 |
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121 | 117 | self._complete_sep = re.compile('[\s\{\}\[\]\(\)]') |
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122 | 118 | self._prompt = str(self._IP.outputcache.prompt1).strip() |
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123 | 119 | |
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124 | 120 | #thread working vars |
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125 | 121 | self._terminate = False |
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126 | 122 | self._time_loop = time_loop |
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127 | 123 | self._has_doc = False |
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128 | 124 | self._do_execute = False |
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129 | 125 | self._line_to_execute = '' |
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130 | 126 | self._doc_text = None |
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131 | 127 | self._ask_exit = False |
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132 | 128 | |
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133 | 129 | #----------------------- Thread management section ---------------------- |
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134 | 130 | def run (self): |
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135 | 131 | """ |
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136 | 132 | Thread main loop |
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137 | 133 | The thread will run until self._terminate will be set to True via shutdown() function |
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138 | 134 | Command processing can be interrupted with Instance.raise_exc(KeyboardInterrupt) call in the |
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139 | 135 | GUI thread. |
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140 | 136 | """ |
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141 | 137 | while(not self._terminate): |
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142 | 138 | try: |
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143 | 139 | if self._do_execute: |
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144 | 140 | self._doc_text = None |
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145 | 141 | self._execute() |
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146 | 142 | self._do_execute = False |
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147 | 143 | |
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148 | 144 | except KeyboardInterrupt: |
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149 | 145 | pass |
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150 | 146 | |
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151 | 147 | time.sleep(self._time_loop) |
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152 | 148 | |
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153 | 149 | def shutdown(self): |
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154 | 150 | """ |
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155 | 151 | Shutdown the tread |
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156 | 152 | """ |
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157 | 153 | self._terminate = True |
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158 | 154 | |
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159 | 155 | def doExecute(self,line): |
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160 | 156 | """ |
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161 | 157 | Tell the thread to process the 'line' command |
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162 | 158 | """ |
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163 | 159 | self._do_execute = True |
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164 | 160 | self._line_to_execute = line |
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165 | 161 | |
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166 | 162 | def isExecuteDone(self): |
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167 | 163 | """ |
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168 | 164 | Returns the processing state |
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169 | 165 | """ |
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170 | 166 | return not self._do_execute |
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171 | 167 | |
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172 | 168 | #----------------------- IPython management section ---------------------- |
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173 | 169 | def getAskExit(self): |
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174 | 170 | ''' |
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175 | 171 | returns the _ask_exit variable that can be checked by GUI to see if |
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176 | 172 | IPython request an exit handling |
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177 | 173 | ''' |
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178 | 174 | return self._ask_exit |
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179 | 175 | |
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180 | 176 | def clearAskExit(self): |
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181 | 177 | ''' |
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182 | 178 | clear the _ask_exit var when GUI as handled the request. |
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183 | 179 | ''' |
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184 | 180 | self._ask_exit = False |
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185 | 181 | |
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186 | 182 | def getDocText(self): |
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187 | 183 | """ |
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188 | 184 | Returns the output of the processing that need to be paged (if any) |
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189 | 185 | |
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190 | 186 | @return: The std output string. |
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191 | 187 | @rtype: string |
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192 | 188 | """ |
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193 | 189 | return self._doc_text |
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194 | 190 | |
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195 | 191 | def getBanner(self): |
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196 | 192 | """ |
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197 | 193 | Returns the IPython banner for useful info on IPython instance |
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198 | 194 | |
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199 | 195 | @return: The banner string. |
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200 | 196 | @rtype: string |
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201 | 197 | """ |
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202 | 198 | return self._IP.BANNER |
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203 | 199 | |
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204 | 200 | def getPromptCount(self): |
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205 | 201 | """ |
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206 | 202 | Returns the prompt number. |
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207 | 203 | Each time a user execute a line in the IPython shell the prompt count is increased |
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208 | 204 | |
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209 | 205 | @return: The prompt number |
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210 | 206 | @rtype: int |
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211 | 207 | """ |
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212 | 208 | return self._IP.outputcache.prompt_count |
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213 | 209 | |
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214 | 210 | def getPrompt(self): |
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215 | 211 | """ |
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216 | 212 | Returns current prompt inside IPython instance |
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217 | 213 | (Can be In [...]: ot ...:) |
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218 | 214 | |
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219 | 215 | @return: The current prompt. |
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220 | 216 | @rtype: string |
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221 | 217 | """ |
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222 | 218 | return self._prompt |
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223 | 219 | |
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224 | 220 | def getIndentation(self): |
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225 | 221 | """ |
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226 | 222 | Returns the current indentation level |
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227 | 223 | Usefull to put the caret at the good start position if we want to do autoindentation. |
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228 | 224 | |
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229 | 225 | @return: The indentation level. |
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230 | 226 | @rtype: int |
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231 | 227 | """ |
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232 | 228 | return self._IP.indent_current_nsp |
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233 | 229 | |
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234 | 230 | def updateNamespace(self, ns_dict): |
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235 | 231 | ''' |
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236 | 232 | Add the current dictionary to the shell namespace. |
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237 | 233 | |
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238 | 234 | @param ns_dict: A dictionary of symbol-values. |
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239 | 235 | @type ns_dict: dictionary |
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240 | 236 | ''' |
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241 | 237 | self._IP.user_ns.update(ns_dict) |
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242 | 238 | |
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243 | 239 | def complete(self, line): |
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244 | 240 | ''' |
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245 | 241 | Returns an auto completed line and/or posibilities for completion. |
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246 | 242 | |
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247 | 243 | @param line: Given line so far. |
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248 | 244 | @type line: string |
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249 | 245 | |
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250 | 246 | @return: Line completed as for as possible, |
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251 | 247 | and possible further completions. |
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252 | 248 | @rtype: tuple |
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253 | 249 | ''' |
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254 | 250 | split_line = self._complete_sep.split(line) |
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255 | 251 | possibilities = self._IP.complete(split_line[-1]) |
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256 | 252 | if possibilities: |
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257 | 253 | |
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258 | 254 | def _commonPrefix(str1, str2): |
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259 | 255 | ''' |
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260 | 256 | Reduction function. returns common prefix of two given strings. |
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261 | 257 | |
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262 | 258 | @param str1: First string. |
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263 | 259 | @type str1: string |
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264 | 260 | @param str2: Second string |
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265 | 261 | @type str2: string |
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266 | 262 | |
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267 | 263 | @return: Common prefix to both strings. |
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268 | 264 | @rtype: string |
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269 | 265 | ''' |
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270 | 266 | for i in range(len(str1)): |
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271 | 267 | if not str2.startswith(str1[:i+1]): |
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272 | 268 | return str1[:i] |
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273 | 269 | return str1 |
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274 | 270 | common_prefix = reduce(_commonPrefix, possibilities) |
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275 | 271 | completed = line[:-len(split_line[-1])]+common_prefix |
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276 | 272 | else: |
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277 | 273 | completed = line |
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278 | 274 | return completed, possibilities |
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279 | 275 | |
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280 | 276 | def historyBack(self): |
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281 | 277 | ''' |
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282 | 278 | Provides one history command back. |
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283 | 279 | |
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284 | 280 | @return: The command string. |
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285 | 281 | @rtype: string |
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286 | 282 | ''' |
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287 | 283 | history = '' |
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288 | 284 | #the below while loop is used to suppress empty history lines |
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289 | 285 | while((history == '' or history == '\n') and self._history_level >0): |
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290 | 286 | if self._history_level>=1: |
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291 | 287 | self._history_level -= 1 |
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292 | 288 | history = self._getHistory() |
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293 | 289 | return history |
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294 | 290 | |
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295 | 291 | def historyForward(self): |
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296 | 292 | ''' |
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297 | 293 | Provides one history command forward. |
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298 | 294 | |
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299 | 295 | @return: The command string. |
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300 | 296 | @rtype: string |
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301 | 297 | ''' |
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302 | 298 | history = '' |
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303 | 299 | #the below while loop is used to suppress empty history lines |
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304 | 300 | while((history == '' or history == '\n') and self._history_level <= self._getHistoryMaxIndex()): |
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305 | 301 | if self._history_level < self._getHistoryMaxIndex(): |
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306 | 302 | self._history_level += 1 |
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307 | 303 | history = self._getHistory() |
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308 | 304 | else: |
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309 | 305 | if self._history_level == self._getHistoryMaxIndex(): |
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310 | 306 | history = self._getHistory() |
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311 | 307 | self._history_level += 1 |
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312 | 308 | else: |
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313 | 309 | history = '' |
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314 | 310 | return history |
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315 | 311 | |
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316 | 312 | def initHistoryIndex(self): |
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317 | 313 | ''' |
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318 | 314 | set history to last command entered |
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319 | 315 | ''' |
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320 | 316 | self._history_level = self._getHistoryMaxIndex()+1 |
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321 | 317 | |
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322 | 318 | #----------------------- IPython PRIVATE management section ---------------------- |
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323 | 319 | def _setAskExit(self): |
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324 | 320 | ''' |
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325 | 321 | set the _ask_exit variable that can be cjhecked by GUI to see if |
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326 | 322 | IPython request an exit handling |
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327 | 323 | ''' |
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328 | 324 | self._ask_exit = True |
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329 | 325 | |
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330 | 326 | def _getHistoryMaxIndex(self): |
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331 | 327 | ''' |
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332 | 328 | returns the max length of the history buffer |
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333 | 329 | |
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334 | 330 | @return: history length |
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335 | 331 | @rtype: int |
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336 | 332 | ''' |
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337 | 333 | return len(self._IP.input_hist_raw)-1 |
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338 | 334 | |
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339 | 335 | def _getHistory(self): |
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340 | 336 | ''' |
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341 | 337 | Get's the command string of the current history level. |
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342 | 338 | |
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343 | 339 | @return: Historic command string. |
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344 | 340 | @rtype: string |
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345 | 341 | ''' |
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346 | 342 | rv = self._IP.input_hist_raw[self._history_level].strip('\n') |
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347 | 343 | return rv |
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348 | 344 | |
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349 | def _pager(self,text,start=0,screen_lines=0,pager_cmd = None): | |
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345 | def _pager(self,IP,text): | |
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350 | 346 | ''' |
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351 | 347 | This function is used as a callback replacment to IPython pager function |
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352 | 348 | |
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353 | 349 | It puts the 'text' value inside the self._doc_text string that can be retrived via getDocText |
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354 | 350 | function. |
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355 | 351 | ''' |
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356 | 352 | self._doc_text = text |
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357 | 353 | |
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358 | 354 | def _raw_input(self, prompt=''): |
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359 | 355 | ''' |
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360 | 356 | Custom raw_input() replacement. Get's current line from console buffer. |
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361 | 357 | |
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362 | 358 | @param prompt: Prompt to print. Here for compatability as replacement. |
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363 | 359 | @type prompt: string |
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364 | 360 | |
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365 | 361 | @return: The current command line text. |
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366 | 362 | @rtype: string |
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367 | 363 | ''' |
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368 | 364 | return self._line_to_execute |
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369 | 365 | |
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370 | 366 | def _execute(self): |
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371 | 367 | ''' |
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372 | 368 | Executes the current line provided by the shell object. |
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373 | 369 | ''' |
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374 | 370 | orig_stdout = sys.stdout |
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375 | 371 | sys.stdout = IPython.Shell.Term.cout |
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376 | 372 | |
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377 | 373 | try: |
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378 | 374 | line = self._IP.raw_input(None, self._iter_more) |
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379 | 375 | if self._IP.autoindent: |
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380 | 376 | self._IP.readline_startup_hook(None) |
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381 | 377 | |
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382 | 378 | except KeyboardInterrupt: |
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383 | 379 | self._IP.write('\nKeyboardInterrupt\n') |
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384 | 380 | self._IP.resetbuffer() |
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385 | 381 | # keep cache in sync with the prompt counter: |
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386 | 382 | self._IP.outputcache.prompt_count -= 1 |
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387 | 383 | |
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388 | 384 | if self._IP.autoindent: |
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389 | 385 | self._IP.indent_current_nsp = 0 |
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390 | 386 | self._iter_more = 0 |
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391 | 387 | except: |
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392 | 388 | self._IP.showtraceback() |
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393 | 389 | else: |
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394 | 390 | self._iter_more = self._IP.push(line) |
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395 | 391 | if (self._IP.SyntaxTB.last_syntax_error and |
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396 | 392 | self._IP.rc.autoedit_syntax): |
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397 | 393 | self._IP.edit_syntax_error() |
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398 | 394 | if self._iter_more: |
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399 | 395 | self._prompt = str(self._IP.outputcache.prompt2).strip() |
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400 | 396 | if self._IP.autoindent: |
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401 | 397 | self._IP.readline_startup_hook(self._IP.pre_readline) |
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402 | 398 | else: |
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403 | 399 | self._prompt = str(self._IP.outputcache.prompt1).strip() |
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404 | 400 | self._IP.indent_current_nsp = 0 #we set indentation to 0 |
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405 | 401 | sys.stdout = orig_stdout |
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406 | 402 | |
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407 | 403 | def _shell(self, ip, cmd): |
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408 | 404 | ''' |
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409 | 405 | Replacement method to allow shell commands without them blocking. |
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410 | 406 | |
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411 | 407 | @param ip: Ipython instance, same as self._IP |
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412 | 408 | @type cmd: Ipython instance |
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413 | 409 | @param cmd: Shell command to execute. |
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414 | 410 | @type cmd: string |
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415 | 411 | ''' |
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416 | 412 | stdin, stdout = os.popen4(cmd) |
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417 | 413 | result = stdout.read().decode('cp437').encode(locale.getpreferredencoding()) |
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418 | 414 | #we use print command because the shell command is called inside IPython instance and thus is |
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419 | 415 | #redirected to thread cout |
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420 | 416 | #"\x01\x1b[1;36m\x02" <-- add colour to the text... |
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421 | 417 | print "\x01\x1b[1;36m\x02"+result |
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422 | 418 | stdout.close() |
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423 | 419 | stdin.close() |
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424 | 420 | |
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425 | 421 | class WxConsoleView(stc.StyledTextCtrl): |
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426 | 422 | ''' |
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427 | 423 | Specialized styled text control view for console-like workflow. |
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428 | 424 | We use here a scintilla frontend thus it can be reused in any GUI taht supports |
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429 | 425 | scintilla with less work. |
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430 | 426 | |
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431 | 427 | @cvar ANSI_COLORS_BLACK: Mapping of terminal colors to X11 names.(with Black background) |
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432 | 428 | @type ANSI_COLORS_BLACK: dictionary |
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433 | 429 | |
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434 | 430 | @cvar ANSI_COLORS_WHITE: Mapping of terminal colors to X11 names.(with White background) |
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435 | 431 | @type ANSI_COLORS_WHITE: dictionary |
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436 | 432 | |
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437 | 433 | @ivar color_pat: Regex of terminal color pattern |
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438 | 434 | @type color_pat: _sre.SRE_Pattern |
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439 | 435 | ''' |
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440 | 436 | ANSI_STYLES_BLACK ={'0;30': [0,'WHITE'], '0;31': [1,'RED'], |
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441 | 437 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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442 | 438 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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443 | 439 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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444 | 440 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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445 | 441 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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446 | 442 | '1;34': [12,'LIGHT BLUE'], '1;35': [13,'MEDIUM VIOLET RED'], |
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447 | 443 | '1;36': [14,'LIGHT STEEL BLUE'], '1;37': [15,'YELLOW']} |
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448 | 444 | |
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449 | 445 | ANSI_STYLES_WHITE ={'0;30': [0,'BLACK'], '0;31': [1,'RED'], |
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450 | 446 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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451 | 447 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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452 | 448 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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453 | 449 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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454 | 450 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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455 | 451 | '1;34': [12,'LIGHT BLUE'], '1;35': [13,'MEDIUM VIOLET RED'], |
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456 | 452 | '1;36': [14,'LIGHT STEEL BLUE'], '1;37': [15,'YELLOW']} |
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457 | 453 | |
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458 | 454 | def __init__(self,parent,prompt,intro="",background_color="BLACK",pos=wx.DefaultPosition, ID = -1, size=wx.DefaultSize, |
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459 | 455 | style=0): |
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460 | 456 | ''' |
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461 | 457 | Initialize console view. |
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462 | 458 | |
|
463 | 459 | @param parent: Parent widget |
|
464 | 460 | @param prompt: User specified prompt |
|
465 | 461 | @type intro: string |
|
466 | 462 | @param intro: User specified startup introduction string |
|
467 | 463 | @type intro: string |
|
468 | 464 | @param background_color: Can be BLACK or WHITE |
|
469 | 465 | @type background_color: string |
|
470 | 466 | @param other: init param of styledTextControl (can be used as-is) |
|
471 | 467 | ''' |
|
472 | 468 | stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style) |
|
473 | 469 | |
|
474 | 470 | ####### Scintilla configuration ################################################## |
|
475 | 471 | |
|
476 | 472 | # Ctrl + B or Ctrl + N can be used to zoomin/zoomout the text inside the widget |
|
477 | 473 | self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN) |
|
478 | 474 | self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT) |
|
479 | 475 | |
|
480 | 476 | #we define platform specific fonts |
|
481 | 477 | if wx.Platform == '__WXMSW__': |
|
482 | 478 | faces = { 'times': 'Times New Roman', |
|
483 | 479 | 'mono' : 'Courier New', |
|
484 | 480 | 'helv' : 'Arial', |
|
485 | 481 | 'other': 'Comic Sans MS', |
|
486 | 482 | 'size' : 10, |
|
487 | 483 | 'size2': 8, |
|
488 | 484 | } |
|
489 | 485 | elif wx.Platform == '__WXMAC__': |
|
490 | 486 | faces = { 'times': 'Times New Roman', |
|
491 | 487 | 'mono' : 'Monaco', |
|
492 | 488 | 'helv' : 'Arial', |
|
493 | 489 | 'other': 'Comic Sans MS', |
|
494 | 490 | 'size' : 10, |
|
495 | 491 | 'size2': 8, |
|
496 | 492 | } |
|
497 | 493 | else: |
|
498 | 494 | faces = { 'times': 'Times', |
|
499 | 495 | 'mono' : 'Courier', |
|
500 | 496 | 'helv' : 'Helvetica', |
|
501 | 497 | 'other': 'new century schoolbook', |
|
502 | 498 | 'size' : 10, |
|
503 | 499 | 'size2': 8, |
|
504 | 500 | } |
|
505 | 501 | |
|
506 | 502 | #We draw a line at position 80 |
|
507 | 503 | self.SetEdgeMode(stc.STC_EDGE_LINE) |
|
508 | 504 | self.SetEdgeColumn(80) |
|
509 | 505 | self.SetEdgeColour(wx.LIGHT_GREY) |
|
510 | 506 | |
|
511 | 507 | #self.SetViewWhiteSpace(True) |
|
512 | 508 | #self.SetViewEOL(True) |
|
513 | 509 | self.SetEOLMode(stc.STC_EOL_CRLF) |
|
514 | 510 | #self.SetWrapMode(stc.STC_WRAP_CHAR) |
|
515 | 511 | #self.SetWrapMode(stc.STC_WRAP_WORD) |
|
516 | 512 | self.SetBufferedDraw(True) |
|
517 | 513 | #self.SetUseAntiAliasing(True) |
|
518 | 514 | self.SetLayoutCache(stc.STC_CACHE_PAGE) |
|
519 | 515 | |
|
520 | 516 | self.EnsureCaretVisible() |
|
521 | 517 | |
|
522 | 518 | self.SetMargins(3,3) #text is moved away from border with 3px |
|
523 | 519 | # Suppressing Scintilla margins |
|
524 | 520 | self.SetMarginWidth(0,0) |
|
525 | 521 | self.SetMarginWidth(1,0) |
|
526 | 522 | self.SetMarginWidth(2,0) |
|
527 | 523 | |
|
528 | 524 | # make some styles |
|
529 | 525 | if background_color != "BLACK": |
|
530 | 526 | self.background_color = "WHITE" |
|
531 | 527 | self.SetCaretForeground("BLACK") |
|
532 | 528 | self.ANSI_STYLES = self.ANSI_STYLES_WHITE |
|
533 | 529 | else: |
|
534 | 530 | self.background_color = background_color |
|
535 | 531 | self.SetCaretForeground("WHITE") |
|
536 | 532 | self.ANSI_STYLES = self.ANSI_STYLES_BLACK |
|
537 | 533 | |
|
538 | 534 | self.StyleSetSpec(stc.STC_STYLE_DEFAULT, "fore:%s,back:%s,size:%d,face:%s" % (self.ANSI_STYLES['0;30'][1], |
|
539 | 535 | self.background_color, |
|
540 | 536 | faces['size'], faces['mono'])) |
|
541 | 537 | self.StyleClearAll() |
|
542 | 538 | self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, "fore:#FF0000,back:#0000FF,bold") |
|
543 | 539 | self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, "fore:#000000,back:#FF0000,bold") |
|
544 | 540 | |
|
545 | 541 | for style in self.ANSI_STYLES.values(): |
|
546 | 542 | self.StyleSetSpec(style[0], "bold,fore:%s" % style[1]) |
|
547 | 543 | |
|
548 | 544 | ####################################################################### |
|
549 | 545 | |
|
550 | 546 | self.indent = 0 |
|
551 | 547 | self.prompt_count = 0 |
|
552 | 548 | self.color_pat = re.compile('\x01?\x1b\[(.*?)m\x02?') |
|
553 | 549 | |
|
554 | 550 | self.write(intro) |
|
555 | 551 | self.setPrompt(prompt) |
|
556 | 552 | self.showPrompt() |
|
557 | 553 | |
|
558 | 554 | self.Bind(wx.EVT_KEY_DOWN, self._onKeypress, self) |
|
559 | 555 | #self.Bind(stc.EVT_STC_UPDATEUI, self.OnUpdateUI) |
|
560 | 556 | |
|
561 | 557 | def write(self, text): |
|
562 | 558 | ''' |
|
563 | 559 | Write given text to buffer. |
|
564 | 560 | |
|
565 | 561 | @param text: Text to append. |
|
566 | 562 | @type text: string |
|
567 | 563 | ''' |
|
568 | 564 | segments = self.color_pat.split(text) |
|
569 | 565 | segment = segments.pop(0) |
|
570 | 566 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
|
571 | 567 | self.AppendText(segment) |
|
572 | 568 | |
|
573 | 569 | if segments: |
|
574 | 570 | ansi_tags = self.color_pat.findall(text) |
|
575 | 571 | |
|
576 | 572 | for tag in ansi_tags: |
|
577 | 573 | i = segments.index(tag) |
|
578 | 574 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
|
579 | 575 | self.AppendText(segments[i+1]) |
|
580 | 576 | |
|
581 | 577 | if tag != '0': |
|
582 | 578 | self.SetStyling(len(segments[i+1]),self.ANSI_STYLES[tag][0]) |
|
583 | 579 | |
|
584 | 580 | segments.pop(i) |
|
585 | 581 | |
|
586 | 582 | self.moveCursor(self.getCurrentLineEnd()) |
|
587 | 583 | |
|
588 | 584 | def getPromptLen(self): |
|
589 | 585 | ''' |
|
590 | 586 | Return the length of current prompt |
|
591 | 587 | ''' |
|
592 | 588 | return len(str(self.prompt_count)) + 7 |
|
593 | 589 | |
|
594 | 590 | def setPrompt(self,prompt): |
|
595 | 591 | self.prompt = prompt |
|
596 | 592 | |
|
597 | 593 | def setIndentation(self,indentation): |
|
598 | 594 | self.indent = indentation |
|
599 | 595 | |
|
600 | 596 | def setPromptCount(self,count): |
|
601 | 597 | self.prompt_count = count |
|
602 | 598 | |
|
603 | 599 | def showPrompt(self): |
|
604 | 600 | ''' |
|
605 | 601 | Prints prompt at start of line. |
|
606 | 602 | |
|
607 | 603 | @param prompt: Prompt to print. |
|
608 | 604 | @type prompt: string |
|
609 | 605 | ''' |
|
610 | 606 | self.write(self.prompt) |
|
611 | 607 | #now we update the position of end of prompt |
|
612 | 608 | self.current_start = self.getCurrentLineEnd() |
|
613 | 609 | |
|
614 | 610 | autoindent = self.indent*' ' |
|
615 | 611 | autoindent = autoindent.replace(' ','\t') |
|
616 | 612 | self.write(autoindent) |
|
617 | 613 | |
|
618 | 614 | def changeLine(self, text): |
|
619 | 615 | ''' |
|
620 | 616 | Replace currently entered command line with given text. |
|
621 | 617 | |
|
622 | 618 | @param text: Text to use as replacement. |
|
623 | 619 | @type text: string |
|
624 | 620 | ''' |
|
625 | 621 | self.SetSelection(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
|
626 | 622 | self.ReplaceSelection(text) |
|
627 | 623 | self.moveCursor(self.getCurrentLineEnd()) |
|
628 | 624 | |
|
629 | 625 | def getCurrentPromptStart(self): |
|
630 | 626 | return self.current_start |
|
631 | 627 | |
|
632 | 628 | def getCurrentLineStart(self): |
|
633 | 629 | return self.GotoLine(self.LineFromPosition(self.GetCurrentPos())) |
|
634 | 630 | |
|
635 | 631 | def getCurrentLineEnd(self): |
|
636 | 632 | return self.GetLength() |
|
637 | 633 | |
|
638 | 634 | def getCurrentLine(self): |
|
639 | 635 | ''' |
|
640 | 636 | Get text in current command line. |
|
641 | 637 | |
|
642 | 638 | @return: Text of current command line. |
|
643 | 639 | @rtype: string |
|
644 | 640 | ''' |
|
645 | 641 | return self.GetTextRange(self.getCurrentPromptStart(), |
|
646 | 642 | self.getCurrentLineEnd()) |
|
647 | 643 | |
|
648 | 644 | def showReturned(self, text): |
|
649 | 645 | ''' |
|
650 | 646 | Show returned text from last command and print new prompt. |
|
651 | 647 | |
|
652 | 648 | @param text: Text to show. |
|
653 | 649 | @type text: string |
|
654 | 650 | ''' |
|
655 | 651 | self.write('\n'+text) |
|
656 | 652 | if text: |
|
657 | 653 | self.write('\n') |
|
658 | 654 | self.showPrompt() |
|
659 | 655 | |
|
660 | 656 | def moveCursorOnNewValidKey(self): |
|
661 | 657 | #If cursor is at wrong position put it at last line... |
|
662 | 658 | if self.GetCurrentPos() < self.getCurrentPromptStart(): |
|
663 | 659 | self.GotoPos(self.getCurrentPromptStart()) |
|
664 | 660 | |
|
665 | 661 | def removeFromTo(self,from_pos,to_pos): |
|
666 | 662 | if from_pos < to_pos: |
|
667 | 663 | self.SetSelection(from_pos,to_pos) |
|
668 | 664 | self.DeleteBack() |
|
669 | 665 | |
|
670 | 666 | def removeCurrentLine(self): |
|
671 | 667 | self.LineDelete() |
|
672 | 668 | |
|
673 | 669 | def moveCursor(self,position): |
|
674 | 670 | self.GotoPos(position) |
|
675 | 671 | |
|
676 | 672 | def getCursorPos(self): |
|
677 | 673 | return self.GetCurrentPos() |
|
678 | 674 | |
|
679 | 675 | def selectFromTo(self,from_pos,to_pos): |
|
680 | 676 | self.SetSelectionStart(from_pos) |
|
681 | 677 | self.SetSelectionEnd(to_pos) |
|
682 | 678 | |
|
683 | 679 | def writeHistory(self,history): |
|
684 | 680 | self.removeFromTo(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
|
685 | 681 | self.changeLine(history) |
|
686 | 682 | |
|
687 | 683 | def writeCompletion(self, possibilities): |
|
688 | 684 | max_len = len(max(possibilities,key=len)) |
|
689 | 685 | max_symbol =' '*max_len |
|
690 | 686 | |
|
691 | 687 | #now we check how much symbol we can put on a line... |
|
692 | 688 | cursor_pos = self.getCursorPos() |
|
693 | 689 | test_buffer = max_symbol + ' '*4 |
|
694 | 690 | current_lines = self.GetLineCount() |
|
695 | 691 | |
|
696 | 692 | allowed_symbols = 80/len(test_buffer) |
|
697 | 693 | if allowed_symbols == 0: |
|
698 | 694 | allowed_symbols = 1 |
|
699 | 695 | |
|
700 | 696 | pos = 1 |
|
701 | 697 | buf = '' |
|
702 | 698 | for symbol in possibilities: |
|
703 | 699 | #buf += symbol+'\n'#*spaces) |
|
704 | 700 | if pos<allowed_symbols: |
|
705 | 701 | spaces = max_len - len(symbol) + 4 |
|
706 | 702 | buf += symbol+' '*spaces |
|
707 | 703 | pos += 1 |
|
708 | 704 | else: |
|
709 | 705 | buf+=symbol+'\n' |
|
710 | 706 | pos = 1 |
|
711 | 707 | self.write(buf) |
|
712 | 708 | |
|
713 | 709 | def _onKeypress(self, event, skip=True): |
|
714 | 710 | ''' |
|
715 | 711 | Key press callback used for correcting behavior for console-like |
|
716 | 712 | interfaces. For example 'home' should go to prompt, not to begining of |
|
717 | 713 | line. |
|
718 | 714 | |
|
719 | 715 | @param widget: Widget that key press accored in. |
|
720 | 716 | @type widget: gtk.Widget |
|
721 | 717 | @param event: Event object |
|
722 | 718 | @type event: gtk.gdk.Event |
|
723 | 719 | |
|
724 | 720 | @return: Return True if event as been catched. |
|
725 | 721 | @rtype: boolean |
|
726 | 722 | ''' |
|
727 | 723 | |
|
728 | 724 | if event.GetKeyCode() == wx.WXK_HOME: |
|
729 | 725 | if event.Modifiers == wx.MOD_NONE: |
|
730 | 726 | self.moveCursorOnNewValidKey() |
|
731 | 727 | self.moveCursor(self.getCurrentPromptStart()) |
|
732 | 728 | return True |
|
733 | 729 | elif event.Modifiers == wx.MOD_SHIFT: |
|
734 | 730 | self.moveCursorOnNewValidKey() |
|
735 | 731 | self.selectFromTo(self.getCurrentPromptStart(),self.getCursorPos()) |
|
736 | 732 | return True |
|
737 | 733 | else: |
|
738 | 734 | return False |
|
739 | 735 | |
|
740 | 736 | elif event.GetKeyCode() == wx.WXK_LEFT: |
|
741 | 737 | if event.Modifiers == wx.MOD_NONE: |
|
742 | 738 | self.moveCursorOnNewValidKey() |
|
743 | 739 | |
|
744 | 740 | self.moveCursor(self.getCursorPos()-1) |
|
745 | 741 | if self.getCursorPos() < self.getCurrentPromptStart(): |
|
746 | 742 | self.moveCursor(self.getCurrentPromptStart()) |
|
747 | 743 | return True |
|
748 | 744 | |
|
749 | 745 | elif event.GetKeyCode() == wx.WXK_BACK: |
|
750 | 746 | self.moveCursorOnNewValidKey() |
|
751 | 747 | if self.getCursorPos() > self.getCurrentPromptStart(): |
|
752 | 748 | self.removeFromTo(self.getCursorPos()-1,self.getCursorPos()) |
|
753 | 749 | return True |
|
754 | 750 | |
|
755 | 751 | if skip: |
|
756 | 752 | if event.GetKeyCode() not in [wx.WXK_PAGEUP,wx.WXK_PAGEDOWN] and event.Modifiers == wx.MOD_NONE: |
|
757 | 753 | self.moveCursorOnNewValidKey() |
|
758 | 754 | |
|
759 | 755 | event.Skip() |
|
760 | 756 | return True |
|
761 | 757 | return False |
|
762 | 758 | |
|
763 | 759 | def OnUpdateUI(self, evt): |
|
764 | 760 | # check for matching braces |
|
765 | 761 | braceAtCaret = -1 |
|
766 | 762 | braceOpposite = -1 |
|
767 | 763 | charBefore = None |
|
768 | 764 | caretPos = self.GetCurrentPos() |
|
769 | 765 | |
|
770 | 766 | if caretPos > 0: |
|
771 | 767 | charBefore = self.GetCharAt(caretPos - 1) |
|
772 | 768 | styleBefore = self.GetStyleAt(caretPos - 1) |
|
773 | 769 | |
|
774 | 770 | # check before |
|
775 | 771 | if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR: |
|
776 | 772 | braceAtCaret = caretPos - 1 |
|
777 | 773 | |
|
778 | 774 | # check after |
|
779 | 775 | if braceAtCaret < 0: |
|
780 | 776 | charAfter = self.GetCharAt(caretPos) |
|
781 | 777 | styleAfter = self.GetStyleAt(caretPos) |
|
782 | 778 | |
|
783 | 779 | if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR: |
|
784 | 780 | braceAtCaret = caretPos |
|
785 | 781 | |
|
786 | 782 | if braceAtCaret >= 0: |
|
787 | 783 | braceOpposite = self.BraceMatch(braceAtCaret) |
|
788 | 784 | |
|
789 | 785 | if braceAtCaret != -1 and braceOpposite == -1: |
|
790 | 786 | self.BraceBadLight(braceAtCaret) |
|
791 | 787 | else: |
|
792 | 788 | self.BraceHighlight(braceAtCaret, braceOpposite) |
|
793 | 789 | #pt = self.PointFromPosition(braceOpposite) |
|
794 | 790 | #self.Refresh(True, wxRect(pt.x, pt.y, 5,5)) |
|
795 | 791 | #print pt |
|
796 | 792 | #self.Refresh(False) |
|
797 | 793 | |
|
798 | 794 | class WxIPythonViewPanel(wx.Panel): |
|
799 | 795 | ''' |
|
800 | 796 | This is wx.Panel that embbed the IPython Thread and the wx.StyledTextControl |
|
801 | 797 | If you want to port this to any other GUI toolkit, just replace the WxConsoleView |
|
802 | 798 | by YOURGUIConsoleView and make YOURGUIIPythonView derivate from whatever container you want. |
|
803 | 799 | I've choosed to derivate from a wx.Panel because it seems to be ore usefull |
|
804 | 800 | Any idea to make it more 'genric' welcomed. |
|
805 | 801 | ''' |
|
806 | 802 | def __init__(self,parent,exit_handler=None,intro=None,background_color="BLACK"): |
|
807 | 803 | ''' |
|
808 | 804 | Initialize. |
|
809 | 805 | Instanciate an IPython thread. |
|
810 | 806 | Instanciate a WxConsoleView. |
|
811 | 807 | Redirect I/O to console. |
|
812 | 808 | ''' |
|
813 | 809 | wx.Panel.__init__(self,parent,-1) |
|
814 | 810 | |
|
815 | 811 | ### IPython thread instanciation ### |
|
816 | 812 | self.cout = StringIO() |
|
817 | 813 | self.IP = IterableIPShell(cout=self.cout,cerr=self.cout, |
|
818 | 814 | exit_handler = exit_handler, |
|
819 | 815 | time_loop = 0.1) |
|
820 | 816 | self.IP.start() |
|
821 | 817 | |
|
822 | 818 | ### IPython wx console view instanciation ### |
|
823 | 819 | #If user didn't defined an intro text, we create one for him |
|
824 | 820 | #If you really wnat an empty intrp just call wxIPythonViewPanel with intro='' |
|
825 | 821 | if intro == None: |
|
826 | 822 | welcome_text = "Welcome to WxIPython Shell.\n\n" |
|
827 | 823 | welcome_text+= self.IP.getBanner() |
|
828 | 824 | welcome_text+= "!command -> Execute command in shell\n" |
|
829 | 825 | welcome_text+= "TAB -> Autocompletion\n" |
|
830 | 826 | |
|
831 | 827 | self.text_ctrl = WxConsoleView(self, |
|
832 | 828 | self.IP.getPrompt(), |
|
833 | 829 | intro=welcome_text, |
|
834 | 830 | background_color=background_color) |
|
835 | 831 | |
|
836 | 832 | self.text_ctrl.Bind(wx.EVT_KEY_DOWN, self.keyPress, self.text_ctrl) |
|
837 | 833 | |
|
838 | 834 | ### making the layout of the panel ### |
|
839 | 835 | sizer = wx.BoxSizer(wx.VERTICAL) |
|
840 | 836 | sizer.Add(self.text_ctrl, 1, wx.EXPAND) |
|
841 | 837 | self.SetAutoLayout(True) |
|
842 | 838 | sizer.Fit(self) |
|
843 | 839 | sizer.SetSizeHints(self) |
|
844 | 840 | self.SetSizer(sizer) |
|
845 | 841 | #and we focus on the widget :) |
|
846 | 842 | self.SetFocus() |
|
847 | 843 | |
|
848 | 844 | ### below are the thread communication variable ### |
|
849 | 845 | # the IPython thread is managed via unidirectional communication. |
|
850 | 846 | # It's a thread slave that can't interact by itself with the GUI. |
|
851 | 847 | # When the GUI event loop is done runStateMachine() is called and the thread sate is then |
|
852 | 848 | # managed. |
|
853 | 849 | |
|
854 | 850 | #Initialize the state machine #kept for information |
|
855 | 851 | #self.states = ['IDLE', |
|
856 | 852 | # 'DO_EXECUTE_LINE', |
|
857 | 853 | # 'WAIT_END_OF_EXECUTION', |
|
858 | 854 | # 'SHOW_DOC', |
|
859 | 855 | # 'SHOW_PROMPT'] |
|
860 | 856 | |
|
861 | 857 | self.cur_state = 'IDLE' |
|
862 | 858 | self.pager_state = 'DONE' |
|
863 | 859 | #wx.CallAfter(self.runStateMachine) |
|
864 | 860 | |
|
865 | 861 | # This creates a new Event class and a EVT binder function |
|
866 | 862 | (self.AskExitEvent, EVT_ASK_EXIT) = wx.lib.newevent.NewEvent() |
|
867 | 863 | |
|
868 | 864 | self.Bind(wx.EVT_IDLE, self.runStateMachine) |
|
869 | 865 | self.Bind(EVT_ASK_EXIT, exit_handler) |
|
870 | 866 | |
|
871 | 867 | def __del__(self): |
|
872 | 868 | self.IP.shutdown() |
|
873 | 869 | self.IP.join() |
|
874 | 870 | WxConsoleView.__del__() |
|
875 | 871 | |
|
876 | 872 | #---------------------------- IPython Thread Management --------------------------------------- |
|
877 | 873 | def runStateMachine(self,event): |
|
878 | 874 | #print >>self.sys_stdout,"state:",self.cur_state |
|
879 | 875 | self.updateStatusTracker(self.cur_state) |
|
880 | 876 | |
|
881 | 877 | if self.cur_state == 'DO_EXECUTE_LINE': |
|
882 | 878 | #print >>self.sys_stdout,"command:",self.getCurrentLine() |
|
883 | 879 | self.IP.doExecute(self.text_ctrl.getCurrentLine().replace('\t',' '*4)) |
|
884 | 880 | self.updateHistoryTracker(self.text_ctrl.getCurrentLine()) |
|
885 | 881 | self.cur_state = 'WAIT_END_OF_EXECUTION' |
|
886 | 882 | |
|
887 | 883 | if self.cur_state == 'WAIT_END_OF_EXECUTION': |
|
888 | 884 | if self.IP.isExecuteDone(): |
|
889 | 885 | self.doc = self.IP.getDocText() |
|
890 | 886 | if self.IP.getAskExit(): |
|
891 | 887 | evt = self.AskExitEvent() |
|
892 | 888 | wx.PostEvent(self, evt) |
|
893 | 889 | self.IP.clearAskExit() |
|
894 | 890 | if self.doc: |
|
895 | 891 | self.pager_state = 'INIT' |
|
896 | 892 | self.cur_state = 'SHOW_DOC' |
|
897 | 893 | else: |
|
898 | 894 | self.cur_state = 'SHOW_PROMPT' |
|
899 | 895 | |
|
900 | 896 | if self.cur_state == 'SHOW_PROMPT': |
|
901 | 897 | self.text_ctrl.setPrompt(self.IP.getPrompt()) |
|
902 | 898 | self.text_ctrl.setIndentation(self.IP.getIndentation()) |
|
903 | 899 | self.text_ctrl.setPromptCount(self.IP.getPromptCount()) |
|
904 | 900 | rv = self.cout.getvalue() |
|
905 | 901 | if rv: rv = rv.strip('\n') |
|
906 | 902 | self.text_ctrl.showReturned(rv) |
|
907 | 903 | self.cout.truncate(0) |
|
908 | 904 | self.IP.initHistoryIndex() |
|
909 | 905 | self.cur_state = 'IDLE' |
|
910 | 906 | |
|
911 | 907 | if self.cur_state == 'SHOW_DOC': |
|
912 | 908 | self.pager(self.doc) |
|
913 | 909 | if self.pager_state == 'DONE': |
|
914 | 910 | self.cur_state = 'SHOW_PROMPT' |
|
915 | 911 | |
|
916 | 912 | event.Skip() |
|
917 | 913 | |
|
918 | 914 | #---------------------------- IPython pager --------------------------------------- |
|
919 | 915 | def pager(self,text):#,start=0,screen_lines=0,pager_cmd = None): |
|
920 | 916 | if self.pager_state == 'WAITING': |
|
921 | 917 | #print >>self.sys_stdout,"PAGER waiting" |
|
922 | 918 | return |
|
923 | 919 | |
|
924 | 920 | if self.pager_state == 'INIT': |
|
925 | 921 | #print >>self.sys_stdout,"PAGER state:",self.pager_state |
|
926 | 922 | self.pager_lines = text[7:].split('\n') |
|
927 | 923 | self.pager_nb_lines = len(self.pager_lines) |
|
928 | 924 | self.pager_index = 0 |
|
929 | 925 | self.pager_do_remove = False |
|
930 | 926 | self.text_ctrl.write('\n') |
|
931 | 927 | self.pager_state = 'PROCESS_LINES' |
|
932 | 928 | |
|
933 | 929 | if self.pager_state == 'PROCESS_LINES': |
|
934 | 930 | #print >>self.sys_stdout,"PAGER state:",self.pager_state |
|
935 | 931 | if self.pager_do_remove == True: |
|
936 | 932 | self.text_ctrl.removeCurrentLine() |
|
937 | 933 | self.pager_do_remove = False |
|
938 | 934 | |
|
939 | 935 | if self.pager_nb_lines > 10: |
|
940 | 936 | #print >>self.sys_stdout,"PAGER processing 10 lines" |
|
941 | 937 | if self.pager_index > 0: |
|
942 | 938 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
943 | 939 | else: |
|
944 | 940 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
945 | 941 | |
|
946 | 942 | for line in self.pager_lines[self.pager_index+1:self.pager_index+9]: |
|
947 | 943 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
948 | 944 | self.pager_index += 10 |
|
949 | 945 | self.pager_nb_lines -= 10 |
|
950 | 946 | self.text_ctrl.write("--- Push Enter to continue or 'Q' to quit---") |
|
951 | 947 | self.pager_do_remove = True |
|
952 | 948 | self.pager_state = 'WAITING' |
|
953 | 949 | return |
|
954 | 950 | else: |
|
955 | 951 | #print >>self.sys_stdout,"PAGER processing last lines" |
|
956 | 952 | if self.pager_nb_lines > 0: |
|
957 | 953 | if self.pager_index > 0: |
|
958 | 954 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
959 | 955 | else: |
|
960 | 956 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
961 | 957 | |
|
962 | 958 | self.pager_index += 1 |
|
963 | 959 | self.pager_nb_lines -= 1 |
|
964 | 960 | if self.pager_nb_lines > 0: |
|
965 | 961 | for line in self.pager_lines[self.pager_index:]: |
|
966 | 962 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
967 | 963 | self.pager_nb_lines = 0 |
|
968 | 964 | self.pager_state = 'DONE' |
|
969 | 965 | |
|
970 | 966 | #---------------------------- Key Handler -------------------------------------------- |
|
971 | 967 | def keyPress(self, event): |
|
972 | 968 | ''' |
|
973 | 969 | Key press callback with plenty of shell goodness, like history, |
|
974 | 970 | autocompletions, etc. |
|
975 | 971 | ''' |
|
976 | 972 | |
|
977 | 973 | if event.GetKeyCode() == ord('C'): |
|
978 | 974 | if event.Modifiers == wx.MOD_CONTROL: |
|
979 | 975 | if self.cur_state == 'WAIT_END_OF_EXECUTION': |
|
980 | 976 | #we raise an exception inside the IPython thread container |
|
981 | 977 | self.IP.raise_exc(KeyboardInterrupt) |
|
982 | 978 | return |
|
983 | 979 | |
|
984 | 980 | if event.KeyCode == wx.WXK_RETURN: |
|
985 | 981 | if self.cur_state == 'IDLE': |
|
986 | 982 | #we change the state ot the state machine |
|
987 | 983 | self.cur_state = 'DO_EXECUTE_LINE' |
|
988 | 984 | return |
|
989 | 985 | if self.pager_state == 'WAITING': |
|
990 | 986 | self.pager_state = 'PROCESS_LINES' |
|
991 | 987 | return |
|
992 | 988 | |
|
993 | 989 | if event.GetKeyCode() in [ord('q'),ord('Q')]: |
|
994 | 990 | if self.pager_state == 'WAITING': |
|
995 | 991 | self.pager_state = 'DONE' |
|
996 | 992 | return |
|
997 | 993 | |
|
998 | 994 | #scroll_position = self.text_ctrl.GetScrollPos(wx.VERTICAL) |
|
999 | 995 | if self.cur_state == 'IDLE': |
|
1000 | 996 | if event.KeyCode == wx.WXK_UP: |
|
1001 | 997 | history = self.IP.historyBack() |
|
1002 | 998 | self.text_ctrl.writeHistory(history) |
|
1003 | 999 | return |
|
1004 | 1000 | if event.KeyCode == wx.WXK_DOWN: |
|
1005 | 1001 | history = self.IP.historyForward() |
|
1006 | 1002 | self.text_ctrl.writeHistory(history) |
|
1007 | 1003 | return |
|
1008 | 1004 | if event.KeyCode == wx.WXK_TAB: |
|
1009 | 1005 | #if line empty we disable tab completion |
|
1010 | 1006 | if not self.text_ctrl.getCurrentLine().strip(): |
|
1011 | 1007 | self.text_ctrl.write('\t') |
|
1012 | 1008 | return |
|
1013 | 1009 | completed, possibilities = self.IP.complete(self.text_ctrl.getCurrentLine()) |
|
1014 | 1010 | if len(possibilities) > 1: |
|
1015 | 1011 | cur_slice = self.text_ctrl.getCurrentLine() |
|
1016 | 1012 | self.text_ctrl.write('\n') |
|
1017 | 1013 | self.text_ctrl.writeCompletion(possibilities) |
|
1018 | 1014 | self.text_ctrl.write('\n') |
|
1019 | 1015 | |
|
1020 | 1016 | self.text_ctrl.showPrompt() |
|
1021 | 1017 | self.text_ctrl.write(cur_slice) |
|
1022 | 1018 | self.text_ctrl.changeLine(completed or cur_slice) |
|
1023 | 1019 | |
|
1024 | 1020 | return |
|
1025 | 1021 | event.Skip() |
|
1026 | 1022 | |
|
1027 | 1023 | #---------------------------- Hook Section -------------------------------------------- |
|
1028 | 1024 | def updateHistoryTracker(self,command_line): |
|
1029 | 1025 | ''' |
|
1030 | 1026 | Default history tracker (does nothing) |
|
1031 | 1027 | ''' |
|
1032 | 1028 | pass |
|
1033 | 1029 | |
|
1034 | 1030 | def setHistoryTrackerHook(self,func): |
|
1035 | 1031 | ''' |
|
1036 | 1032 | Define a new history tracker |
|
1037 | 1033 | ''' |
|
1038 | 1034 | self.updateHistoryTracker = func |
|
1039 | 1035 | def updateStatusTracker(self,status): |
|
1040 | 1036 | ''' |
|
1041 | 1037 | Default status tracker (does nothing) |
|
1042 | 1038 | ''' |
|
1043 | 1039 | pass |
|
1044 | 1040 | |
|
1045 | 1041 | def setStatusTrackerHook(self,func): |
|
1046 | 1042 | ''' |
|
1047 | 1043 | Define a new status tracker |
|
1048 | 1044 | ''' |
|
1049 | 1045 | self.updateStatusTracker = func |
|
1050 | 1046 |
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