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@@ -1,870 +1,885 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 widgets. |
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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 | |
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30 | 30 | import re |
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31 | 31 | from StringIO import StringIO |
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32 | 32 | |
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33 | import sys | |
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34 | import codecs | |
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35 | import locale | |
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36 | for enc in (locale.getpreferredencoding(), | |
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37 | sys.getfilesystemencoding(), | |
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38 | sys.getdefaultencoding()): | |
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39 | try: | |
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40 | codecs.lookup(enc) | |
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41 | ENCODING = enc | |
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42 | break | |
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43 | except LookupError: | |
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44 | pass | |
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45 | else: | |
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46 | ENCODING = 'utf-8' | |
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47 | ||
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33 | 48 | from ipshell_nonblocking import NonBlockingIPShell |
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34 | 49 | |
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35 | 50 | class WxNonBlockingIPShell(NonBlockingIPShell): |
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36 | 51 | ''' |
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37 | 52 | An NonBlockingIPShell Thread that is WX dependent. |
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38 | 53 | ''' |
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39 | 54 | def __init__(self, parent, |
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40 | 55 | argv=[],user_ns={},user_global_ns=None, |
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41 | 56 | cin=None, cout=None, cerr=None, |
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42 | 57 | ask_exit_handler=None): |
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43 | 58 | |
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44 | 59 | NonBlockingIPShell.__init__(self, argv, user_ns, user_global_ns, |
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45 | 60 | cin, cout, cerr, |
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46 | 61 | ask_exit_handler) |
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47 | 62 | |
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48 | 63 | self.parent = parent |
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49 | 64 | |
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50 | 65 | self.ask_exit_callback = ask_exit_handler |
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51 | 66 | self._IP.exit = self._askExit |
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52 | 67 | |
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53 | 68 | def addGUIShortcut(self, text, func): |
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54 | 69 | wx.CallAfter(self.parent.add_button_handler, |
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55 | 70 | button_info={ 'text':text, |
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56 | 71 | 'func':self.parent.doExecuteLine(func)}) |
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57 | 72 | |
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58 | 73 | def _askExit(self): |
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59 | 74 | wx.CallAfter(self.ask_exit_callback, ()) |
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60 | 75 | |
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61 | 76 | def _afterExecute(self): |
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62 | 77 | wx.CallAfter(self.parent.evtStateExecuteDone, ()) |
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63 | 78 | |
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64 | 79 | |
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65 | 80 | class WxConsoleView(stc.StyledTextCtrl): |
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66 | 81 | ''' |
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67 | 82 | Specialized styled text control view for console-like workflow. |
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68 | 83 | We use here a scintilla frontend thus it can be reused in any GUI that |
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69 | 84 | supports scintilla with less work. |
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70 | 85 | |
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71 | 86 | @cvar ANSI_COLORS_BLACK: Mapping of terminal colors to X11 names. |
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72 | 87 | (with Black background) |
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73 | 88 | @type ANSI_COLORS_BLACK: dictionary |
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74 | 89 | |
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75 | 90 | @cvar ANSI_COLORS_WHITE: Mapping of terminal colors to X11 names. |
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76 | 91 | (with White background) |
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77 | 92 | @type ANSI_COLORS_WHITE: dictionary |
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78 | 93 | |
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79 | 94 | @ivar color_pat: Regex of terminal color pattern |
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80 | 95 | @type color_pat: _sre.SRE_Pattern |
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81 | 96 | ''' |
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82 | 97 | ANSI_STYLES_BLACK = {'0;30': [0, 'WHITE'], '0;31': [1, 'RED'], |
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83 | 98 | '0;32': [2, 'GREEN'], '0;33': [3, 'BROWN'], |
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84 | 99 | '0;34': [4, 'BLUE'], '0;35': [5, 'PURPLE'], |
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85 | 100 | '0;36': [6, 'CYAN'], '0;37': [7, 'LIGHT GREY'], |
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86 | 101 | '1;30': [8, 'DARK GREY'], '1;31': [9, 'RED'], |
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87 | 102 | '1;32': [10, 'SEA GREEN'], '1;33': [11, 'YELLOW'], |
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88 | 103 | '1;34': [12, 'LIGHT BLUE'], '1;35': |
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89 | 104 | [13, 'MEDIUM VIOLET RED'], |
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90 | 105 | '1;36': [14, 'LIGHT STEEL BLUE'], '1;37': [15, 'YELLOW']} |
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91 | 106 | |
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92 | 107 | ANSI_STYLES_WHITE = {'0;30': [0, 'BLACK'], '0;31': [1, 'RED'], |
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93 | 108 | '0;32': [2, 'GREEN'], '0;33': [3, 'BROWN'], |
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94 | 109 | '0;34': [4, 'BLUE'], '0;35': [5, 'PURPLE'], |
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95 | 110 | '0;36': [6, 'CYAN'], '0;37': [7, 'LIGHT GREY'], |
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96 | 111 | '1;30': [8, 'DARK GREY'], '1;31': [9, 'RED'], |
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97 | 112 | '1;32': [10, 'SEA GREEN'], '1;33': [11, 'YELLOW'], |
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98 | 113 | '1;34': [12, 'LIGHT BLUE'], '1;35': |
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99 | 114 | [13, 'MEDIUM VIOLET RED'], |
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100 | 115 | '1;36': [14, 'LIGHT STEEL BLUE'], '1;37': [15, 'YELLOW']} |
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101 | 116 | |
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102 | 117 | def __init__(self, parent, prompt, intro="", background_color="BLACK", |
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103 | 118 | pos=wx.DefaultPosition, ID = -1, size=wx.DefaultSize, |
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104 | 119 | style=0, autocomplete_mode = 'IPYTHON'): |
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105 | 120 | ''' |
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106 | 121 | Initialize console view. |
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107 | 122 | |
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108 | 123 | @param parent: Parent widget |
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109 | 124 | @param prompt: User specified prompt |
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110 | 125 | @type intro: string |
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111 | 126 | @param intro: User specified startup introduction string |
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112 | 127 | @type intro: string |
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113 | 128 | @param background_color: Can be BLACK or WHITE |
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114 | 129 | @type background_color: string |
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115 | 130 | @param other: init param of styledTextControl (can be used as-is) |
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116 | 131 | @param autocomplete_mode: Can be 'IPYTHON' or 'STC' |
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117 | 132 | 'IPYTHON' show autocompletion the ipython way |
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118 | 133 | 'STC" show it scintilla text control way |
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119 | 134 | ''' |
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120 | 135 | stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style) |
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121 | 136 | |
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122 | 137 | ####### Scintilla configuration ################################### |
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123 | 138 | |
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124 | 139 | # Ctrl + B or Ctrl + N can be used to zoomin/zoomout the text inside |
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125 | 140 | # the widget |
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126 | 141 | self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN) |
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127 | 142 | self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT) |
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128 | 143 | |
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129 | 144 | #We draw a line at position 80 |
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130 | 145 | self.SetEdgeMode(stc.STC_EDGE_LINE) |
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131 | 146 | self.SetEdgeColumn(80) |
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132 | 147 | self.SetEdgeColour(wx.LIGHT_GREY) |
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133 | 148 | |
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134 | 149 | #self.SetViewWhiteSpace(True) |
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135 | 150 | #self.SetViewEOL(True) |
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136 | 151 | self.SetEOLMode(stc.STC_EOL_CRLF) |
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137 | 152 | #self.SetWrapMode(stc.STC_WRAP_CHAR) |
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138 | 153 | #self.SetWrapMode(stc.STC_WRAP_WORD) |
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139 | 154 | self.SetBufferedDraw(True) |
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140 | 155 | #self.SetUseAntiAliasing(True) |
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141 | 156 | self.SetLayoutCache(stc.STC_CACHE_PAGE) |
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142 | 157 | self.SetUndoCollection(False) |
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143 | 158 | self.SetUseTabs(True) |
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144 | 159 | self.SetIndent(4) |
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145 | 160 | self.SetTabWidth(4) |
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146 | 161 | |
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147 | 162 | self.EnsureCaretVisible() |
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148 | 163 | |
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149 | 164 | self.SetMargins(3, 3) #text is moved away from border with 3px |
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150 | 165 | # Suppressing Scintilla margins |
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151 | 166 | self.SetMarginWidth(0, 0) |
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152 | 167 | self.SetMarginWidth(1, 0) |
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153 | 168 | self.SetMarginWidth(2, 0) |
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154 | 169 | |
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155 | 170 | self.background_color = background_color |
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156 | 171 | self.buildStyles() |
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157 | 172 | |
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158 | 173 | self.indent = 0 |
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159 | 174 | self.prompt_count = 0 |
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160 | 175 | self.color_pat = re.compile('\x01?\x1b\[(.*?)m\x02?') |
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161 | 176 | |
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162 | 177 | self.write(intro) |
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163 | 178 | self.setPrompt(prompt) |
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164 | 179 | self.showPrompt() |
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165 | 180 | |
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166 | 181 | self.autocomplete_mode = autocomplete_mode |
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167 | 182 | |
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168 | 183 | self.Bind(wx.EVT_KEY_DOWN, self._onKeypress) |
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169 | 184 | |
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170 | 185 | def buildStyles(self): |
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171 | 186 | #we define platform specific fonts |
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172 | 187 | if wx.Platform == '__WXMSW__': |
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173 | 188 | faces = { 'times': 'Times New Roman', |
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174 | 189 | 'mono' : 'Courier New', |
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175 | 190 | 'helv' : 'Arial', |
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176 | 191 | 'other': 'Comic Sans MS', |
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177 | 192 | 'size' : 10, |
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178 | 193 | 'size2': 8, |
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179 | 194 | } |
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180 | 195 | elif wx.Platform == '__WXMAC__': |
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181 | 196 | faces = { 'times': 'Times New Roman', |
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182 | 197 | 'mono' : 'Monaco', |
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183 | 198 | 'helv' : 'Arial', |
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184 | 199 | 'other': 'Comic Sans MS', |
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185 | 200 | 'size' : 10, |
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186 | 201 | 'size2': 8, |
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187 | 202 | } |
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188 | 203 | else: |
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189 | 204 | faces = { 'times': 'Times', |
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190 | 205 | 'mono' : 'Courier', |
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191 | 206 | 'helv' : 'Helvetica', |
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192 | 207 | 'other': 'new century schoolbook', |
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193 | 208 | 'size' : 10, |
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194 | 209 | 'size2': 8, |
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195 | 210 | } |
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196 | 211 | |
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197 | 212 | # make some styles |
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198 | 213 | if self.background_color != "BLACK": |
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199 | 214 | self.background_color = "WHITE" |
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200 | 215 | self.SetCaretForeground("BLACK") |
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201 | 216 | self.ANSI_STYLES = self.ANSI_STYLES_WHITE |
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202 | 217 | else: |
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203 | 218 | self.SetCaretForeground("WHITE") |
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204 | 219 | self.ANSI_STYLES = self.ANSI_STYLES_BLACK |
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205 | 220 | |
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206 | 221 | self.StyleSetSpec(stc.STC_STYLE_DEFAULT, |
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207 | 222 | "fore:%s,back:%s,size:%d,face:%s" |
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208 | 223 | % (self.ANSI_STYLES['0;30'][1], |
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209 | 224 | self.background_color, |
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210 | 225 | faces['size'], faces['mono'])) |
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211 | 226 | self.StyleClearAll() |
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212 | 227 | self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, |
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213 | 228 | "fore:#FF0000,back:#0000FF,bold") |
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214 | 229 | self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, |
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215 | 230 | "fore:#000000,back:#FF0000,bold") |
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216 | 231 | |
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217 | 232 | for style in self.ANSI_STYLES.values(): |
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218 | 233 | self.StyleSetSpec(style[0], "bold,fore:%s" % style[1]) |
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219 | 234 | |
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220 | 235 | ####################################################################### |
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221 | 236 | |
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222 | 237 | def setBackgroundColor(self, color): |
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223 | 238 | self.background_color = color |
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224 | 239 | self.buildStyles() |
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225 | 240 | |
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226 | 241 | def getBackgroundColor(self, color): |
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227 | 242 | return self.background_color |
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228 | 243 | |
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229 | 244 | def asyncWrite(self, text): |
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230 | 245 | ''' |
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231 | 246 | Write given text to buffer in an asynchroneous way. |
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232 | 247 | It is used from another thread to be able to acces the GUI. |
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233 | 248 | @param text: Text to append |
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234 | 249 | @type text: string |
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235 | 250 | ''' |
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236 | 251 | try: |
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237 | 252 | #print >>sys.__stdout__,'entering' |
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238 | 253 | wx.MutexGuiEnter() |
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239 | 254 | #print >>sys.__stdout__,'locking the GUI' |
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240 | 255 | |
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241 | 256 | #be sure not to be interrutpted before the MutexGuiLeave! |
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242 | 257 | self.write(text) |
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243 | 258 | |
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244 | 259 | #print >>sys.__stdout__,'done' |
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245 | 260 | |
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246 | 261 | except KeyboardInterrupt: |
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247 | 262 | #print >>sys.__stdout__,'got keyboard interrupt' |
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248 | 263 | wx.MutexGuiLeave() |
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249 | 264 | #print >>sys.__stdout__,'interrupt unlock the GUI' |
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250 | 265 | raise KeyboardInterrupt |
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251 | 266 | wx.MutexGuiLeave() |
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252 | 267 | #print >>sys.__stdout__,'normal unlock the GUI' |
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253 | 268 | |
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254 | 269 | |
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255 | 270 | def write(self, text): |
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256 | 271 | ''' |
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257 | 272 | Write given text to buffer. |
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258 | 273 | |
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259 | 274 | @param text: Text to append. |
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260 | 275 | @type text: string |
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261 | 276 | ''' |
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262 | 277 | segments = self.color_pat.split(text) |
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263 | 278 | segment = segments.pop(0) |
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264 | 279 | self.StartStyling(self.getCurrentLineEnd(), 0xFF) |
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265 | 280 | self.AppendText(segment) |
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266 | 281 | |
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267 | 282 | if segments: |
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268 | 283 | ansi_tags = self.color_pat.findall(text) |
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269 | 284 | |
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270 | 285 | for tag in ansi_tags: |
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271 | 286 | i = segments.index(tag) |
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272 | 287 | self.StartStyling(self.getCurrentLineEnd(), 0xFF) |
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273 | 288 | self.AppendText(segments[i+1]) |
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274 | 289 | |
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275 | 290 | if tag != '0': |
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276 | 291 | self.SetStyling(len(segments[i+1]), self.ANSI_STYLES[tag][0]) |
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277 | 292 | |
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278 | 293 | segments.pop(i) |
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279 | 294 | |
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280 | 295 | self.moveCursor(self.getCurrentLineEnd()) |
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281 | 296 | |
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282 | 297 | def getPromptLen(self): |
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283 | 298 | ''' |
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284 | 299 | Return the length of current prompt |
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285 | 300 | ''' |
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286 | 301 | return len(str(self.prompt_count)) + 7 |
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287 | 302 | |
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288 | 303 | def setPrompt(self, prompt): |
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289 | 304 | self.prompt = prompt |
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290 | 305 | |
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291 | 306 | def setIndentation(self, indentation): |
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292 | 307 | self.indent = indentation |
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293 | 308 | |
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294 | 309 | def setPromptCount(self, count): |
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295 | 310 | self.prompt_count = count |
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296 | 311 | |
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297 | 312 | def showPrompt(self): |
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298 | 313 | ''' |
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299 | 314 | Prints prompt at start of line. |
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300 | 315 | |
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301 | 316 | @param prompt: Prompt to print. |
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302 | 317 | @type prompt: string |
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303 | 318 | ''' |
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304 | 319 | self.write(self.prompt) |
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305 | 320 | #now we update the position of end of prompt |
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306 | 321 | self.current_start = self.getCurrentLineEnd() |
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307 | 322 | |
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308 | 323 | autoindent = self.indent*' ' |
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309 | 324 | autoindent = autoindent.replace(' ','\t') |
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310 | 325 | self.write(autoindent) |
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311 | 326 | |
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312 | 327 | def changeLine(self, text): |
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313 | 328 | ''' |
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314 | 329 | Replace currently entered command line with given text. |
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315 | 330 | |
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316 | 331 | @param text: Text to use as replacement. |
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317 | 332 | @type text: string |
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318 | 333 | ''' |
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319 | 334 | self.SetSelection(self.getCurrentPromptStart(), self.getCurrentLineEnd()) |
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320 | 335 | self.ReplaceSelection(text) |
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321 | 336 | self.moveCursor(self.getCurrentLineEnd()) |
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322 | 337 | |
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323 | 338 | def getCurrentPromptStart(self): |
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324 | 339 | return self.current_start |
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325 | 340 | |
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326 | 341 | def getCurrentLineStart(self): |
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327 | 342 | return self.GotoLine(self.LineFromPosition(self.GetCurrentPos())) |
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328 | 343 | |
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329 | 344 | def getCurrentLineEnd(self): |
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330 | 345 | return self.GetLength() |
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331 | 346 | |
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332 | 347 | def getCurrentLine(self): |
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333 | 348 | ''' |
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334 | 349 | Get text in current command line. |
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335 | 350 | |
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336 | 351 | @return: Text of current command line. |
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337 | 352 | @rtype: string |
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338 | 353 | ''' |
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339 | 354 | return self.GetTextRange(self.getCurrentPromptStart(), |
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340 | 355 | self.getCurrentLineEnd()) |
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341 | 356 | |
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342 | 357 | def moveCursorOnNewValidKey(self): |
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343 | 358 | #If cursor is at wrong position put it at last line... |
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344 | 359 | if self.GetCurrentPos() < self.getCurrentPromptStart(): |
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345 | 360 | self.GotoPos(self.getCurrentPromptStart()) |
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346 | 361 | |
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347 | 362 | def removeFromTo(self, from_pos, to_pos): |
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348 | 363 | if from_pos < to_pos: |
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349 | 364 | self.SetSelection(from_pos, to_pos) |
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350 | 365 | self.DeleteBack() |
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351 | 366 | |
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352 | 367 | def removeCurrentLine(self): |
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353 | 368 | self.LineDelete() |
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354 | 369 | |
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355 | 370 | def moveCursor(self, position): |
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356 | 371 | self.GotoPos(position) |
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357 | 372 | |
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358 | 373 | def getCursorPos(self): |
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359 | 374 | return self.GetCurrentPos() |
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360 | 375 | |
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361 | 376 | def selectFromTo(self, from_pos, to_pos): |
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362 | 377 | self.SetSelectionStart(from_pos) |
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363 | 378 | self.SetSelectionEnd(to_pos) |
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364 | 379 | |
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365 | 380 | def writeHistory(self, history): |
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366 | 381 | self.removeFromTo(self.getCurrentPromptStart(), self.getCurrentLineEnd()) |
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367 | 382 | self.changeLine(history) |
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368 | 383 | |
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369 | 384 | def setCompletionMethod(self, completion): |
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370 | 385 | if completion in ['IPYTHON', 'STC']: |
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371 | 386 | self.autocomplete_mode = completion |
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372 | 387 | else: |
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373 | 388 | raise AttributeError |
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374 | 389 | |
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375 | 390 | def getCompletionMethod(self, completion): |
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376 | 391 | return self.autocomplete_mode |
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377 | 392 | |
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378 | 393 | def writeCompletion(self, possibilities): |
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379 | 394 | if self.autocomplete_mode == 'IPYTHON': |
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380 | 395 | max_len = len(max(possibilities, key=len)) |
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381 | 396 | max_symbol = ' '*max_len |
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382 | 397 | |
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383 | 398 | #now we check how much symbol we can put on a line... |
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384 | 399 | test_buffer = max_symbol + ' '*4 |
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385 | 400 | |
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386 | 401 | allowed_symbols = 80/len(test_buffer) |
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387 | 402 | if allowed_symbols == 0: |
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388 | 403 | allowed_symbols = 1 |
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389 | 404 | |
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390 | 405 | pos = 1 |
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391 | 406 | buf = '' |
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392 | 407 | for symbol in possibilities: |
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393 | 408 | #buf += symbol+'\n'#*spaces) |
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394 | 409 | if pos < allowed_symbols: |
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395 | 410 | spaces = max_len - len(symbol) + 4 |
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396 | 411 | buf += symbol+' '*spaces |
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397 | 412 | pos += 1 |
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398 | 413 | else: |
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399 | 414 | buf += symbol+'\n' |
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400 | 415 | pos = 1 |
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401 | 416 | self.write(buf) |
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402 | 417 | else: |
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403 | 418 | possibilities.sort() # Python sorts are case sensitive |
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404 | 419 | self.AutoCompSetIgnoreCase(False) |
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405 | 420 | self.AutoCompSetAutoHide(False) |
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406 | 421 | #let compute the length ot last word |
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407 | 422 | splitter = [' ', '(', '[', '{'] |
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408 | 423 | last_word = self.getCurrentLine() |
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409 | 424 | for breaker in splitter: |
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410 | 425 | last_word = last_word.split(breaker)[-1] |
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411 | 426 | self.AutoCompShow(len(last_word), " ".join(possibilities)) |
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412 | 427 | |
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413 | 428 | def _onKeypress(self, event, skip=True): |
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414 | 429 | ''' |
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415 | 430 | Key press callback used for correcting behavior for console-like |
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416 | 431 | interfaces. For example 'home' should go to prompt, not to begining of |
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417 | 432 | line. |
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418 | 433 | |
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419 | 434 | @param widget: Widget that key press accored in. |
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420 | 435 | @type widget: gtk.Widget |
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421 | 436 | @param event: Event object |
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422 | 437 | @type event: gtk.gdk.Event |
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423 | 438 | |
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424 | 439 | @return: Return True if event as been catched. |
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425 | 440 | @rtype: boolean |
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426 | 441 | ''' |
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427 | 442 | |
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428 | 443 | if not self.AutoCompActive(): |
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429 | 444 | if event.GetKeyCode() == wx.WXK_HOME: |
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430 | 445 | if event.Modifiers == wx.MOD_NONE: |
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431 | 446 | self.moveCursorOnNewValidKey() |
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432 | 447 | self.moveCursor(self.getCurrentPromptStart()) |
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433 | 448 | return True |
|
434 | 449 | elif event.Modifiers == wx.MOD_SHIFT: |
|
435 | 450 | self.moveCursorOnNewValidKey() |
|
436 | 451 | self.selectFromTo(self.getCurrentPromptStart(), self.getCursorPos()) |
|
437 | 452 | return True |
|
438 | 453 | else: |
|
439 | 454 | return False |
|
440 | 455 | |
|
441 | 456 | elif event.GetKeyCode() == wx.WXK_LEFT: |
|
442 | 457 | if event.Modifiers == wx.MOD_NONE: |
|
443 | 458 | self.moveCursorOnNewValidKey() |
|
444 | 459 | |
|
445 | 460 | self.moveCursor(self.getCursorPos()-1) |
|
446 | 461 | if self.getCursorPos() < self.getCurrentPromptStart(): |
|
447 | 462 | self.moveCursor(self.getCurrentPromptStart()) |
|
448 | 463 | return True |
|
449 | 464 | |
|
450 | 465 | elif event.GetKeyCode() == wx.WXK_BACK: |
|
451 | 466 | self.moveCursorOnNewValidKey() |
|
452 | 467 | if self.getCursorPos() > self.getCurrentPromptStart(): |
|
453 | 468 | event.Skip() |
|
454 | 469 | return True |
|
455 | 470 | |
|
456 | 471 | if skip: |
|
457 | 472 | if event.GetKeyCode() not in [wx.WXK_PAGEUP, wx.WXK_PAGEDOWN]\ |
|
458 | 473 | and event.Modifiers == wx.MOD_NONE: |
|
459 | 474 | self.moveCursorOnNewValidKey() |
|
460 | 475 | |
|
461 | 476 | event.Skip() |
|
462 | 477 | return True |
|
463 | 478 | return False |
|
464 | 479 | else: |
|
465 | 480 | event.Skip() |
|
466 | 481 | |
|
467 | 482 | def OnUpdateUI(self, evt): |
|
468 | 483 | # check for matching braces |
|
469 | 484 | braceAtCaret = -1 |
|
470 | 485 | braceOpposite = -1 |
|
471 | 486 | charBefore = None |
|
472 | 487 | caretPos = self.GetCurrentPos() |
|
473 | 488 | |
|
474 | 489 | if caretPos > 0: |
|
475 | 490 | charBefore = self.GetCharAt(caretPos - 1) |
|
476 | 491 | styleBefore = self.GetStyleAt(caretPos - 1) |
|
477 | 492 | |
|
478 | 493 | # check before |
|
479 | 494 | if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR: |
|
480 | 495 | braceAtCaret = caretPos - 1 |
|
481 | 496 | |
|
482 | 497 | # check after |
|
483 | 498 | if braceAtCaret < 0: |
|
484 | 499 | charAfter = self.GetCharAt(caretPos) |
|
485 | 500 | styleAfter = self.GetStyleAt(caretPos) |
|
486 | 501 | |
|
487 | 502 | if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR: |
|
488 | 503 | braceAtCaret = caretPos |
|
489 | 504 | |
|
490 | 505 | if braceAtCaret >= 0: |
|
491 | 506 | braceOpposite = self.BraceMatch(braceAtCaret) |
|
492 | 507 | |
|
493 | 508 | if braceAtCaret != -1 and braceOpposite == -1: |
|
494 | 509 | self.BraceBadLight(braceAtCaret) |
|
495 | 510 | else: |
|
496 | 511 | self.BraceHighlight(braceAtCaret, braceOpposite) |
|
497 | 512 | #pt = self.PointFromPosition(braceOpposite) |
|
498 | 513 | #self.Refresh(True, wxRect(pt.x, pt.y, 5,5)) |
|
499 | 514 | #print pt |
|
500 | 515 | #self.Refresh(False) |
|
501 | 516 | |
|
502 | 517 | class IPShellWidget(wx.Panel): |
|
503 | 518 | ''' |
|
504 | 519 | This is wx.Panel that embbed the IPython Thread and the wx.StyledTextControl |
|
505 | 520 | If you want to port this to any other GUI toolkit, just replace the |
|
506 | 521 | WxConsoleView by YOURGUIConsoleView and make YOURGUIIPythonView derivate |
|
507 | 522 | from whatever container you want. I've choosed to derivate from a wx.Panel |
|
508 | 523 | because it seems to be more useful |
|
509 | 524 | Any idea to make it more 'generic' welcomed. |
|
510 | 525 | ''' |
|
511 | 526 | |
|
512 | 527 | def __init__(self, parent, intro=None, |
|
513 | 528 | background_color="BLACK", add_button_handler=None, |
|
514 | 529 | wx_ip_shell=None, user_ns={},user_global_ns=None, |
|
515 | 530 | ): |
|
516 | 531 | ''' |
|
517 | 532 | Initialize. |
|
518 | 533 | Instanciate an IPython thread. |
|
519 | 534 | Instanciate a WxConsoleView. |
|
520 | 535 | Redirect I/O to console. |
|
521 | 536 | ''' |
|
522 | 537 | wx.Panel.__init__(self,parent,wx.ID_ANY) |
|
523 | 538 | |
|
524 | 539 | self.parent = parent |
|
525 | 540 | ### IPython non blocking shell instanciation ### |
|
526 | 541 | self.cout = StringIO() |
|
527 | 542 | self.add_button_handler = add_button_handler |
|
528 | 543 | |
|
529 | 544 | if wx_ip_shell is not None: |
|
530 | 545 | self.IP = wx_ip_shell |
|
531 | 546 | else: |
|
532 | 547 | self.IP = WxNonBlockingIPShell(self, |
|
533 | 548 | cout = self.cout, cerr = self.cout, |
|
534 | 549 | ask_exit_handler = self.askExitCallback) |
|
535 | 550 | |
|
536 | 551 | ### IPython wx console view instanciation ### |
|
537 | 552 | #If user didn't defined an intro text, we create one for him |
|
538 | 553 | #If you really wnat an empty intro just call wxIPythonViewPanel |
|
539 | 554 | #with intro='' |
|
540 | 555 | if intro is None: |
|
541 | 556 | welcome_text = "Welcome to WxIPython Shell.\n\n" |
|
542 | 557 | welcome_text+= self.IP.getBanner() |
|
543 | 558 | welcome_text+= "!command -> Execute command in shell\n" |
|
544 | 559 | welcome_text+= "TAB -> Autocompletion\n" |
|
545 | 560 | else: |
|
546 | 561 | welcome_text = intro |
|
547 | 562 | |
|
548 | 563 | self.text_ctrl = WxConsoleView(self, |
|
549 | 564 | self.IP.getPrompt(), |
|
550 | 565 | intro=welcome_text, |
|
551 | 566 | background_color=background_color) |
|
552 | 567 | |
|
553 | 568 | self.cout.write = self.text_ctrl.asyncWrite |
|
554 | 569 | |
|
555 | 570 | option_text = wx.StaticText(self, -1, "Options:") |
|
556 | 571 | self.completion_option = wx.CheckBox(self, -1, "Scintilla Completion") |
|
557 | 572 | #self.completion_option.SetValue(False) |
|
558 | 573 | self.background_option = wx.CheckBox(self, -1, "White Background") |
|
559 | 574 | #self.background_option.SetValue(False) |
|
560 | 575 | |
|
561 | 576 | self.options={'completion':{'value':'IPYTHON', |
|
562 | 577 | 'checkbox':self.completion_option,'STC':True,'IPYTHON':False, |
|
563 | 578 | 'setfunc':self.text_ctrl.setCompletionMethod}, |
|
564 | 579 | 'background_color':{'value':'BLACK', |
|
565 | 580 | 'checkbox':self.background_option,'WHITE':True,'BLACK':False, |
|
566 | 581 | 'setfunc':self.text_ctrl.setBackgroundColor}, |
|
567 | 582 | } |
|
568 | 583 | self.reloadOptions(self.options) |
|
569 | 584 | |
|
570 | 585 | self.text_ctrl.Bind(wx.EVT_KEY_DOWN, self.keyPress) |
|
571 | 586 | self.completion_option.Bind(wx.EVT_CHECKBOX, self.evtCheckOptionCompletion) |
|
572 | 587 | self.background_option.Bind(wx.EVT_CHECKBOX, self.evtCheckOptionBackgroundColor) |
|
573 | 588 | |
|
574 | 589 | ### making the layout of the panel ### |
|
575 | 590 | sizer = wx.BoxSizer(wx.VERTICAL) |
|
576 | 591 | sizer.Add(self.text_ctrl, 1, wx.EXPAND) |
|
577 | 592 | option_sizer = wx.BoxSizer(wx.HORIZONTAL) |
|
578 | 593 | sizer.Add(option_sizer, 0) |
|
579 | 594 | option_sizer.AddMany([(10, 20), |
|
580 | 595 | (option_text, 0, wx.ALIGN_CENTER_VERTICAL), |
|
581 | 596 | (5, 5), |
|
582 | 597 | (self.completion_option, 0, wx.ALIGN_CENTER_VERTICAL), |
|
583 | 598 | (8, 8), |
|
584 | 599 | (self.background_option, 0, wx.ALIGN_CENTER_VERTICAL) |
|
585 | 600 | ]) |
|
586 | 601 | self.SetAutoLayout(True) |
|
587 | 602 | sizer.Fit(self) |
|
588 | 603 | sizer.SetSizeHints(self) |
|
589 | 604 | self.SetSizer(sizer) |
|
590 | 605 | #and we focus on the widget :) |
|
591 | 606 | self.SetFocus() |
|
592 | 607 | |
|
593 | 608 | #widget state management (for key handling different cases) |
|
594 | 609 | self.setCurrentState('IDLE') |
|
595 | 610 | self.pager_state = 'DONE' |
|
596 | 611 | self.raw_input_current_line = 0 |
|
597 | 612 | |
|
598 | 613 | def askExitCallback(self, event): |
|
599 | 614 | self.askExitHandler(event) |
|
600 | 615 | |
|
601 | 616 | #---------------------- IPython Thread Management ------------------------ |
|
602 | 617 | def stateDoExecuteLine(self): |
|
603 | 618 | lines=self.text_ctrl.getCurrentLine() |
|
604 | 619 | self.text_ctrl.write('\n') |
|
605 | 620 | lines_to_execute = lines.replace('\t',' '*4) |
|
606 | 621 | lines_to_execute = lines_to_execute.replace('\r','') |
|
607 |
self.IP.doExecute(lines_to_execute.encode( |
|
|
622 | self.IP.doExecute(lines_to_execute.encode(ENCODING)) | |
|
608 | 623 | self.updateHistoryTracker(lines) |
|
609 | 624 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
610 | 625 | |
|
611 | 626 | def evtStateExecuteDone(self,evt): |
|
612 | 627 | self.doc = self.IP.getDocText() |
|
613 | 628 | self.help = self.IP.getHelpText() |
|
614 | 629 | if self.doc: |
|
615 | 630 | self.pager_lines = self.doc[7:].split('\n') |
|
616 | 631 | self.pager_state = 'INIT' |
|
617 | 632 | self.setCurrentState('SHOW_DOC') |
|
618 | 633 | self.pager(self.doc) |
|
619 | 634 | elif self.help: |
|
620 | 635 | self.pager_lines = self.help.split('\n') |
|
621 | 636 | self.pager_state = 'INIT' |
|
622 | 637 | self.setCurrentState('SHOW_DOC') |
|
623 | 638 | self.pager(self.help) |
|
624 | 639 | else: |
|
625 | 640 | self.stateShowPrompt() |
|
626 | 641 | |
|
627 | 642 | def stateShowPrompt(self): |
|
628 | 643 | self.setCurrentState('SHOW_PROMPT') |
|
629 | 644 | self.text_ctrl.setPrompt(self.IP.getPrompt()) |
|
630 | 645 | self.text_ctrl.setIndentation(self.IP.getIndentation()) |
|
631 | 646 | self.text_ctrl.setPromptCount(self.IP.getPromptCount()) |
|
632 | 647 | self.text_ctrl.showPrompt() |
|
633 | 648 | self.IP.initHistoryIndex() |
|
634 | 649 | self.setCurrentState('IDLE') |
|
635 | 650 | |
|
636 | 651 | def setCurrentState(self, state): |
|
637 | 652 | self.cur_state = state |
|
638 | 653 | self.updateStatusTracker(self.cur_state) |
|
639 | 654 | |
|
640 | 655 | def pager(self,text): |
|
641 | 656 | |
|
642 | 657 | if self.pager_state == 'INIT': |
|
643 | 658 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
644 | 659 | self.pager_nb_lines = len(self.pager_lines) |
|
645 | 660 | self.pager_index = 0 |
|
646 | 661 | self.pager_do_remove = False |
|
647 | 662 | self.text_ctrl.write('\n') |
|
648 | 663 | self.pager_state = 'PROCESS_LINES' |
|
649 | 664 | |
|
650 | 665 | if self.pager_state == 'PROCESS_LINES': |
|
651 | 666 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
652 | 667 | if self.pager_do_remove == True: |
|
653 | 668 | self.text_ctrl.removeCurrentLine() |
|
654 | 669 | self.pager_do_remove = False |
|
655 | 670 | |
|
656 | 671 | if self.pager_nb_lines > 10: |
|
657 | 672 | #print >>sys.__stdout__,"PAGER processing 10 lines" |
|
658 | 673 | if self.pager_index > 0: |
|
659 | 674 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
660 | 675 | else: |
|
661 | 676 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
662 | 677 | |
|
663 | 678 | for line in self.pager_lines[self.pager_index+1:self.pager_index+9]: |
|
664 | 679 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
665 | 680 | self.pager_index += 10 |
|
666 | 681 | self.pager_nb_lines -= 10 |
|
667 | 682 | self.text_ctrl.write("--- Push Enter to continue or 'Q' to quit---") |
|
668 | 683 | self.pager_do_remove = True |
|
669 | 684 | self.pager_state = 'WAITING' |
|
670 | 685 | return |
|
671 | 686 | else: |
|
672 | 687 | #print >>sys.__stdout__,"PAGER processing last lines" |
|
673 | 688 | if self.pager_nb_lines > 0: |
|
674 | 689 | if self.pager_index > 0: |
|
675 | 690 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
676 | 691 | else: |
|
677 | 692 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
678 | 693 | |
|
679 | 694 | self.pager_index += 1 |
|
680 | 695 | self.pager_nb_lines -= 1 |
|
681 | 696 | if self.pager_nb_lines > 0: |
|
682 | 697 | for line in self.pager_lines[self.pager_index:]: |
|
683 | 698 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
684 | 699 | self.pager_nb_lines = 0 |
|
685 | 700 | self.pager_state = 'DONE' |
|
686 | 701 | self.stateShowPrompt() |
|
687 | 702 | |
|
688 | 703 | #------------------------ Key Handler ------------------------------------ |
|
689 | 704 | def keyPress(self, event): |
|
690 | 705 | ''' |
|
691 | 706 | Key press callback with plenty of shell goodness, like history, |
|
692 | 707 | autocompletions, etc. |
|
693 | 708 | ''' |
|
694 | 709 | if event.GetKeyCode() == ord('C'): |
|
695 | 710 | if event.Modifiers == wx.MOD_CONTROL or event.Modifiers == wx.MOD_ALT: |
|
696 | 711 | if self.cur_state == 'WAIT_END_OF_EXECUTION': |
|
697 | 712 | #we raise an exception inside the IPython thread container |
|
698 | 713 | self.IP.ce.raise_exc(KeyboardInterrupt) |
|
699 | 714 | return |
|
700 | 715 | |
|
701 | 716 | #let this before 'wx.WXK_RETURN' because we have to put 'IDLE' |
|
702 | 717 | #mode if AutoComp has been set as inactive |
|
703 | 718 | if self.cur_state == 'COMPLETING': |
|
704 | 719 | if not self.text_ctrl.AutoCompActive(): |
|
705 | 720 | self.cur_state = 'IDLE' |
|
706 | 721 | else: |
|
707 | 722 | event.Skip() |
|
708 | 723 | |
|
709 | 724 | if event.KeyCode == wx.WXK_RETURN: |
|
710 | 725 | if self.cur_state == 'IDLE': |
|
711 | 726 | #we change the state ot the state machine |
|
712 | 727 | self.setCurrentState('DO_EXECUTE_LINE') |
|
713 | 728 | self.stateDoExecuteLine() |
|
714 | 729 | return |
|
715 | 730 | |
|
716 | 731 | if self.pager_state == 'WAITING': |
|
717 | 732 | self.pager_state = 'PROCESS_LINES' |
|
718 | 733 | self.pager(self.doc) |
|
719 | 734 | return |
|
720 | 735 | |
|
721 | 736 | if self.cur_state == 'WAITING_USER_INPUT': |
|
722 | 737 | line=self.text_ctrl.getCurrentLine() |
|
723 | 738 | self.text_ctrl.write('\n') |
|
724 | 739 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
725 | 740 | return |
|
726 | 741 | |
|
727 | 742 | if event.GetKeyCode() in [ord('q'),ord('Q')]: |
|
728 | 743 | if self.pager_state == 'WAITING': |
|
729 | 744 | self.pager_state = 'DONE' |
|
730 | 745 | self.text_ctrl.write('\n') |
|
731 | 746 | self.stateShowPrompt() |
|
732 | 747 | return |
|
733 | 748 | |
|
734 | 749 | if self.cur_state == 'WAITING_USER_INPUT': |
|
735 | 750 | event.Skip() |
|
736 | 751 | |
|
737 | 752 | if self.cur_state == 'IDLE': |
|
738 | 753 | if event.KeyCode == wx.WXK_UP: |
|
739 | 754 | history = self.IP.historyBack() |
|
740 | 755 | self.text_ctrl.writeHistory(history) |
|
741 | 756 | return |
|
742 | 757 | if event.KeyCode == wx.WXK_DOWN: |
|
743 | 758 | history = self.IP.historyForward() |
|
744 | 759 | self.text_ctrl.writeHistory(history) |
|
745 | 760 | return |
|
746 | 761 | if event.KeyCode == wx.WXK_TAB: |
|
747 | 762 | #if line empty we disable tab completion |
|
748 | 763 | if not self.text_ctrl.getCurrentLine().strip(): |
|
749 | 764 | self.text_ctrl.write('\t') |
|
750 | 765 | return |
|
751 | 766 | completed, possibilities = self.IP.complete(self.text_ctrl.getCurrentLine()) |
|
752 | 767 | if len(possibilities) > 1: |
|
753 | 768 | if self.text_ctrl.autocomplete_mode == 'IPYTHON': |
|
754 | 769 | cur_slice = self.text_ctrl.getCurrentLine() |
|
755 | 770 | self.text_ctrl.write('\n') |
|
756 | 771 | self.text_ctrl.writeCompletion(possibilities) |
|
757 | 772 | self.text_ctrl.write('\n') |
|
758 | 773 | |
|
759 | 774 | self.text_ctrl.showPrompt() |
|
760 | 775 | self.text_ctrl.write(cur_slice) |
|
761 | 776 | self.text_ctrl.changeLine(completed or cur_slice) |
|
762 | 777 | else: |
|
763 | 778 | self.cur_state = 'COMPLETING' |
|
764 | 779 | self.text_ctrl.writeCompletion(possibilities) |
|
765 | 780 | else: |
|
766 | 781 | self.text_ctrl.changeLine(completed or cur_slice) |
|
767 | 782 | return |
|
768 | 783 | event.Skip() |
|
769 | 784 | |
|
770 | 785 | #------------------------ Option Section --------------------------------- |
|
771 | 786 | def evtCheckOptionCompletion(self, event): |
|
772 | 787 | if event.IsChecked(): |
|
773 | 788 | self.options['completion']['value']='STC' |
|
774 | 789 | else: |
|
775 | 790 | self.options['completion']['value']='IPYTHON' |
|
776 | 791 | self.text_ctrl.setCompletionMethod(self.options['completion']['value']) |
|
777 | 792 | self.updateOptionTracker('completion', |
|
778 | 793 | self.options['completion']['value']) |
|
779 | 794 | self.text_ctrl.SetFocus() |
|
780 | 795 | |
|
781 | 796 | def evtCheckOptionBackgroundColor(self, event): |
|
782 | 797 | if event.IsChecked(): |
|
783 | 798 | self.options['background_color']['value']='WHITE' |
|
784 | 799 | else: |
|
785 | 800 | self.options['background_color']['value']='BLACK' |
|
786 | 801 | self.text_ctrl.setBackgroundColor(self.options['background_color']['value']) |
|
787 | 802 | self.updateOptionTracker('background_color', |
|
788 | 803 | self.options['background_color']['value']) |
|
789 | 804 | self.text_ctrl.SetFocus() |
|
790 | 805 | |
|
791 | 806 | def getOptions(self): |
|
792 | 807 | return self.options |
|
793 | 808 | |
|
794 | 809 | def reloadOptions(self,options): |
|
795 | 810 | self.options = options |
|
796 | 811 | for key in self.options.keys(): |
|
797 | 812 | value = self.options[key]['value'] |
|
798 | 813 | self.options[key]['checkbox'].SetValue(self.options[key][value]) |
|
799 | 814 | self.options[key]['setfunc'](value) |
|
800 | 815 | |
|
801 | 816 | |
|
802 | 817 | #------------------------ Hook Section ----------------------------------- |
|
803 | 818 | def updateOptionTracker(self,name,value): |
|
804 | 819 | ''' |
|
805 | 820 | Default history tracker (does nothing) |
|
806 | 821 | ''' |
|
807 | 822 | pass |
|
808 | 823 | |
|
809 | 824 | def setOptionTrackerHook(self,func): |
|
810 | 825 | ''' |
|
811 | 826 | Define a new history tracker |
|
812 | 827 | ''' |
|
813 | 828 | self.updateOptionTracker = func |
|
814 | 829 | |
|
815 | 830 | def updateHistoryTracker(self,command_line): |
|
816 | 831 | ''' |
|
817 | 832 | Default history tracker (does nothing) |
|
818 | 833 | ''' |
|
819 | 834 | pass |
|
820 | 835 | |
|
821 | 836 | def setHistoryTrackerHook(self,func): |
|
822 | 837 | ''' |
|
823 | 838 | Define a new history tracker |
|
824 | 839 | ''' |
|
825 | 840 | self.updateHistoryTracker = func |
|
826 | 841 | |
|
827 | 842 | def updateStatusTracker(self,status): |
|
828 | 843 | ''' |
|
829 | 844 | Default status tracker (does nothing) |
|
830 | 845 | ''' |
|
831 | 846 | pass |
|
832 | 847 | |
|
833 | 848 | def setStatusTrackerHook(self,func): |
|
834 | 849 | ''' |
|
835 | 850 | Define a new status tracker |
|
836 | 851 | ''' |
|
837 | 852 | self.updateStatusTracker = func |
|
838 | 853 | |
|
839 | 854 | def askExitHandler(self, event): |
|
840 | 855 | ''' |
|
841 | 856 | Default exit handler |
|
842 | 857 | ''' |
|
843 | 858 | self.text_ctrl.write('\nExit callback has not been set.') |
|
844 | 859 | |
|
845 | 860 | def setAskExitHandler(self, func): |
|
846 | 861 | ''' |
|
847 | 862 | Define an exit handler |
|
848 | 863 | ''' |
|
849 | 864 | self.askExitHandler = func |
|
850 | 865 | |
|
851 | 866 | if __name__ == '__main__': |
|
852 | 867 | # Some simple code to test the shell widget. |
|
853 | 868 | class MainWindow(wx.Frame): |
|
854 | 869 | def __init__(self, parent, id, title): |
|
855 | 870 | wx.Frame.__init__(self, parent, id, title, size=(300,250)) |
|
856 | 871 | self._sizer = wx.BoxSizer(wx.VERTICAL) |
|
857 | 872 | self.shell = IPShellWidget(self) |
|
858 | 873 | self._sizer.Add(self.shell, 1, wx.EXPAND) |
|
859 | 874 | self.SetSizer(self._sizer) |
|
860 | 875 | self.SetAutoLayout(1) |
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861 | 876 | self.Show(True) |
|
862 | 877 | |
|
863 | 878 | app = wx.PySimpleApp() |
|
864 | 879 | frame = MainWindow(None, wx.ID_ANY, 'Ipython') |
|
865 | 880 | frame.SetSize((780, 460)) |
|
866 | 881 | shell = frame.shell |
|
867 | 882 | |
|
868 | 883 | app.MainLoop() |
|
869 | 884 | |
|
870 | 885 |
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