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@@ -1,737 +1,737 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 | 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 locale |
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34 | 34 | from StringIO import StringIO |
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35 | 35 | try: |
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36 | 36 | import IPython |
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37 | 37 | except Exception,e: |
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38 | 38 | raise "Error importing IPython (%s)" % str(e) |
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39 | 39 | |
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40 | 40 | from ipshell_nonblocking import NonBlockingIPShell |
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41 | 41 | |
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42 | 42 | |
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43 | 43 | class WxNonBlockingIPShell(NonBlockingIPShell): |
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44 | 44 | ''' |
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45 | 45 | An NonBlockingIPShell Thread that is WX dependent. |
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46 | 46 | ''' |
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47 | 47 | def __init__(self, parent, |
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48 | 48 | argv=[],user_ns={},user_global_ns=None, |
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49 | 49 | cin=None, cout=None, cerr=None, |
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50 | 50 | ask_exit_handler=None, rawinput=None): |
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51 | 51 | |
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52 | 52 | NonBlockingIPShell.__init__(self,argv,user_ns,user_global_ns, |
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53 | 53 | cin, cout, cerr, |
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54 | 54 | ask_exit_handler, |
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55 | 55 | rawinput) |
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56 | 56 | |
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57 | 57 | self.parent = parent |
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58 | 58 | |
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59 | 59 | self.ask_exit_callback = ask_exit_handler |
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60 | 60 | self._IP.exit = self._askExit |
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61 | 61 | |
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62 | 62 | def addGUIShortcut(self,text,func): |
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63 | 63 | wx.CallAfter(self.parent.add_button_handler, |
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64 | 64 | button_info={ 'text':text, |
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65 | 65 | 'func':self.parent.doExecuteLine(func)}) |
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66 | 66 | |
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67 | 67 | def _askExit(self): |
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68 | 68 | wx.CallAfter(self.ask_exit_callback, ()) |
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69 | 69 | |
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70 | 70 | def _afterExecute(self): |
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71 | 71 | wx.CallAfter(self.parent.evtStateExecuteDone, ()) |
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72 | 72 | |
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73 | 73 | |
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74 | 74 | class WxConsoleView(stc.StyledTextCtrl): |
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75 | 75 | ''' |
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76 | 76 | Specialized styled text control view for console-like workflow. |
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77 | 77 | We use here a scintilla frontend thus it can be reused in any GUI that |
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78 | 78 | supports scintilla with less work. |
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79 | 79 | |
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80 | 80 | @cvar ANSI_COLORS_BLACK: Mapping of terminal colors to X11 names. |
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81 | 81 | (with Black background) |
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82 | 82 | @type ANSI_COLORS_BLACK: dictionary |
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83 | 83 | |
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84 | 84 | @cvar ANSI_COLORS_WHITE: Mapping of terminal colors to X11 names. |
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85 | 85 | (with White background) |
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86 | 86 | @type ANSI_COLORS_WHITE: dictionary |
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87 | 87 | |
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88 | 88 | @ivar color_pat: Regex of terminal color pattern |
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89 | 89 | @type color_pat: _sre.SRE_Pattern |
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90 | 90 | ''' |
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91 | 91 | ANSI_STYLES_BLACK={'0;30': [0,'WHITE'], '0;31': [1,'RED'], |
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92 | 92 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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93 | 93 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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94 | 94 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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95 | 95 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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96 | 96 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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97 | 97 | '1;34': [12,'LIGHT BLUE'], '1;35': |
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98 | 98 | [13,'MEDIUM VIOLET RED'], |
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99 | 99 | '1;36': [14,'LIGHT STEEL BLUE'],'1;37': [15,'YELLOW']} |
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100 | 100 | |
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101 | 101 | ANSI_STYLES_WHITE={'0;30': [0,'BLACK'], '0;31': [1,'RED'], |
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102 | 102 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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103 | 103 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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104 | 104 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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105 | 105 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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106 | 106 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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107 | 107 | '1;34': [12,'LIGHT BLUE'], '1;35': |
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108 | 108 | [13,'MEDIUM VIOLET RED'], |
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109 | 109 | '1;36': [14,'LIGHT STEEL BLUE'],'1;37': [15,'YELLOW']} |
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110 | 110 | |
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111 | 111 | def __init__(self,parent,prompt,intro="",background_color="BLACK", |
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112 | 112 | pos=wx.DefaultPosition, ID = -1, size=wx.DefaultSize, |
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113 | 113 | style=0): |
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114 | 114 | ''' |
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115 | 115 | Initialize console view. |
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116 | 116 | |
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117 | 117 | @param parent: Parent widget |
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118 | 118 | @param prompt: User specified prompt |
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119 | 119 | @type intro: string |
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120 | 120 | @param intro: User specified startup introduction string |
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121 | 121 | @type intro: string |
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122 | 122 | @param background_color: Can be BLACK or WHITE |
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123 | 123 | @type background_color: string |
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124 | 124 | @param other: init param of styledTextControl (can be used as-is) |
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125 | 125 | ''' |
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126 | 126 | stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style) |
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127 | 127 | |
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128 | 128 | ####### Scintilla configuration ################################### |
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129 | 129 | |
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130 | 130 | # Ctrl + B or Ctrl + N can be used to zoomin/zoomout the text inside |
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131 | 131 | # the widget |
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132 | 132 | self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN) |
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133 | 133 | self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT) |
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134 | 134 | |
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135 | 135 | #we define platform specific fonts |
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136 | 136 | if wx.Platform == '__WXMSW__': |
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137 | 137 | faces = { 'times': 'Times New Roman', |
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138 | 138 | 'mono' : 'Courier New', |
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139 | 139 | 'helv' : 'Arial', |
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140 | 140 | 'other': 'Comic Sans MS', |
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141 | 141 | 'size' : 10, |
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142 | 142 | 'size2': 8, |
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143 | 143 | } |
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144 | 144 | elif wx.Platform == '__WXMAC__': |
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145 | 145 | faces = { 'times': 'Times New Roman', |
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146 | 146 | 'mono' : 'Monaco', |
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147 | 147 | 'helv' : 'Arial', |
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148 | 148 | 'other': 'Comic Sans MS', |
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149 | 149 | 'size' : 10, |
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150 | 150 | 'size2': 8, |
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151 | 151 | } |
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152 | 152 | else: |
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153 | 153 | faces = { 'times': 'Times', |
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154 | 154 | 'mono' : 'Courier', |
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155 | 155 | 'helv' : 'Helvetica', |
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156 | 156 | 'other': 'new century schoolbook', |
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157 | 157 | 'size' : 10, |
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158 | 158 | 'size2': 8, |
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159 | 159 | } |
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160 | 160 | |
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161 | 161 | #We draw a line at position 80 |
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162 | 162 | self.SetEdgeMode(stc.STC_EDGE_LINE) |
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163 | 163 | self.SetEdgeColumn(80) |
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164 | 164 | self.SetEdgeColour(wx.LIGHT_GREY) |
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165 | 165 | |
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166 | 166 | #self.SetViewWhiteSpace(True) |
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167 | 167 | #self.SetViewEOL(True) |
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168 | 168 | self.SetEOLMode(stc.STC_EOL_CRLF) |
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169 | 169 | #self.SetWrapMode(stc.STC_WRAP_CHAR) |
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170 | 170 | #self.SetWrapMode(stc.STC_WRAP_WORD) |
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171 | 171 | self.SetBufferedDraw(True) |
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172 | 172 | #self.SetUseAntiAliasing(True) |
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173 | 173 | self.SetLayoutCache(stc.STC_CACHE_PAGE) |
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174 | 174 | |
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175 | 175 | self.EnsureCaretVisible() |
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176 | 176 | |
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177 | 177 | self.SetMargins(3,3) #text is moved away from border with 3px |
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178 | 178 | # Suppressing Scintilla margins |
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179 | 179 | self.SetMarginWidth(0,0) |
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180 | 180 | self.SetMarginWidth(1,0) |
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181 | 181 | self.SetMarginWidth(2,0) |
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182 | 182 | |
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183 | 183 | # make some styles |
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184 | 184 | if background_color != "BLACK": |
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185 | 185 | self.background_color = "WHITE" |
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186 | 186 | self.SetCaretForeground("BLACK") |
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187 | 187 | self.ANSI_STYLES = self.ANSI_STYLES_WHITE |
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188 | 188 | else: |
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189 | 189 | self.background_color = background_color |
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190 | 190 | self.SetCaretForeground("WHITE") |
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191 | 191 | self.ANSI_STYLES = self.ANSI_STYLES_BLACK |
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192 | 192 | |
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193 | 193 | self.StyleSetSpec(stc.STC_STYLE_DEFAULT, |
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194 | 194 | "fore:%s,back:%s,size:%d,face:%s" |
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195 | 195 | % (self.ANSI_STYLES['0;30'][1], |
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196 | 196 | self.background_color, |
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197 | 197 | faces['size'], faces['mono'])) |
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198 | 198 | self.StyleClearAll() |
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199 | 199 | self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, |
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200 | 200 | "fore:#FF0000,back:#0000FF,bold") |
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201 | 201 | self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, |
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202 | 202 | "fore:#000000,back:#FF0000,bold") |
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203 | 203 | |
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204 | 204 | for style in self.ANSI_STYLES.values(): |
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205 | 205 | self.StyleSetSpec(style[0], "bold,fore:%s" % style[1]) |
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206 | 206 | |
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207 | 207 | ####################################################################### |
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208 | 208 | |
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209 | 209 | self.indent = 0 |
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210 | 210 | self.prompt_count = 0 |
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211 | 211 | self.color_pat = re.compile('\x01?\x1b\[(.*?)m\x02?') |
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212 | 212 | |
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213 | 213 | self.write(intro) |
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214 | 214 | self.setPrompt(prompt) |
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215 | 215 | self.showPrompt() |
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216 | 216 | |
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217 | 217 | self.Bind(wx.EVT_KEY_DOWN, self._onKeypress, self) |
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218 | 218 | |
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219 | 219 | def write(self, text): |
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220 | 220 | ''' |
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221 | 221 | Write given text to buffer. |
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222 | 222 | |
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223 | 223 | @param text: Text to append. |
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224 | 224 | @type text: string |
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225 | 225 | ''' |
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226 | 226 | segments = self.color_pat.split(text) |
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227 | 227 | segment = segments.pop(0) |
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228 | 228 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
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229 | 229 | self.AppendText(segment) |
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230 | 230 | |
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231 | 231 | if segments: |
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232 | 232 | ansi_tags = self.color_pat.findall(text) |
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233 | 233 | |
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234 | 234 | for tag in ansi_tags: |
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235 | 235 | i = segments.index(tag) |
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236 | 236 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
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237 | 237 | self.AppendText(segments[i+1]) |
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238 | 238 | |
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239 | 239 | if tag != '0': |
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240 | 240 | self.SetStyling(len(segments[i+1]),self.ANSI_STYLES[tag][0]) |
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241 | 241 | |
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242 | 242 | segments.pop(i) |
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243 | 243 | |
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244 | 244 | self.moveCursor(self.getCurrentLineEnd()) |
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245 | 245 | |
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246 | 246 | def getPromptLen(self): |
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247 | 247 | ''' |
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248 | 248 | Return the length of current prompt |
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249 | 249 | ''' |
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250 | 250 | return len(str(self.prompt_count)) + 7 |
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251 | 251 | |
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252 | 252 | def setPrompt(self,prompt): |
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253 | 253 | self.prompt = prompt |
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254 | 254 | |
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255 | 255 | def setIndentation(self,indentation): |
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256 | 256 | self.indent = indentation |
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257 | 257 | |
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258 | 258 | def setPromptCount(self,count): |
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259 | 259 | self.prompt_count = count |
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260 | 260 | |
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261 | 261 | def showPrompt(self): |
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262 | 262 | ''' |
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263 | 263 | Prints prompt at start of line. |
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264 | 264 | |
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265 | 265 | @param prompt: Prompt to print. |
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266 | 266 | @type prompt: string |
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267 | 267 | ''' |
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268 | 268 | self.write(self.prompt) |
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269 | 269 | #now we update the position of end of prompt |
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270 | 270 | self.current_start = self.getCurrentLineEnd() |
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271 | 271 | |
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272 | 272 | autoindent = self.indent*' ' |
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273 | 273 | autoindent = autoindent.replace(' ','\t') |
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274 | 274 | self.write(autoindent) |
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275 | 275 | |
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276 | 276 | def changeLine(self, text): |
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277 | 277 | ''' |
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278 | 278 | Replace currently entered command line with given text. |
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279 | 279 | |
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280 | 280 | @param text: Text to use as replacement. |
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281 | 281 | @type text: string |
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282 | 282 | ''' |
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283 | 283 | self.SetSelection(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
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284 | 284 | self.ReplaceSelection(text) |
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285 | 285 | self.moveCursor(self.getCurrentLineEnd()) |
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286 | 286 | |
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287 | 287 | def getCurrentPromptStart(self): |
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288 | 288 | return self.current_start |
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289 | 289 | |
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290 | 290 | def getCurrentLineStart(self): |
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291 | 291 | return self.GotoLine(self.LineFromPosition(self.GetCurrentPos())) |
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292 | 292 | |
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293 | 293 | def getCurrentLineEnd(self): |
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294 | 294 | return self.GetLength() |
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295 | 295 | |
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296 | 296 | def getCurrentLine(self): |
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297 | 297 | ''' |
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298 | 298 | Get text in current command line. |
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299 | 299 | |
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300 | 300 | @return: Text of current command line. |
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301 | 301 | @rtype: string |
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302 | 302 | ''' |
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303 | 303 | return self.GetTextRange(self.getCurrentPromptStart(), |
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304 | 304 | self.getCurrentLineEnd()) |
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305 | 305 | |
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306 | 306 | def moveCursorOnNewValidKey(self): |
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307 | 307 | #If cursor is at wrong position put it at last line... |
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308 | 308 | if self.GetCurrentPos() < self.getCurrentPromptStart(): |
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309 | 309 | self.GotoPos(self.getCurrentPromptStart()) |
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310 | 310 | |
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311 | 311 | def removeFromTo(self,from_pos,to_pos): |
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312 | 312 | if from_pos < to_pos: |
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313 | 313 | self.SetSelection(from_pos,to_pos) |
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314 | 314 | self.DeleteBack() |
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315 | 315 | |
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316 | 316 | def removeCurrentLine(self): |
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317 | 317 | self.LineDelete() |
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318 | 318 | |
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319 | 319 | def moveCursor(self,position): |
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320 | 320 | self.GotoPos(position) |
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321 | 321 | |
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322 | 322 | def getCursorPos(self): |
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323 | 323 | return self.GetCurrentPos() |
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324 | 324 | |
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325 | 325 | def selectFromTo(self,from_pos,to_pos): |
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326 | 326 | self.SetSelectionStart(from_pos) |
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327 | 327 | self.SetSelectionEnd(to_pos) |
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328 | 328 | |
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329 | 329 | def writeHistory(self,history): |
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330 | 330 | self.removeFromTo(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
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331 | 331 | self.changeLine(history) |
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332 | 332 | |
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333 | 333 | def writeCompletion(self, possibilities): |
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334 | 334 | max_len = len(max(possibilities,key=len)) |
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335 | 335 | max_symbol =' '*max_len |
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336 | 336 | |
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337 | 337 | #now we check how much symbol we can put on a line... |
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338 | 338 | cursor_pos = self.getCursorPos() |
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339 | 339 | test_buffer = max_symbol + ' '*4 |
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340 | 340 | current_lines = self.GetLineCount() |
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341 | 341 | |
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342 | 342 | allowed_symbols = 80/len(test_buffer) |
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343 | 343 | if allowed_symbols == 0: |
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344 | 344 | allowed_symbols = 1 |
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345 | 345 | |
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346 | 346 | pos = 1 |
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347 | 347 | buf = '' |
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348 | 348 | for symbol in possibilities: |
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349 | 349 | #buf += symbol+'\n'#*spaces) |
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350 | 350 | if pos<allowed_symbols: |
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351 | 351 | spaces = max_len - len(symbol) + 4 |
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352 | 352 | buf += symbol+' '*spaces |
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353 | 353 | pos += 1 |
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354 | 354 | else: |
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355 | 355 | buf+=symbol+'\n' |
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356 | 356 | pos = 1 |
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357 | 357 | self.write(buf) |
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358 | 358 | |
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359 | 359 | def _onKeypress(self, event, skip=True): |
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360 | 360 | ''' |
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361 | 361 | Key press callback used for correcting behavior for console-like |
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362 | 362 | interfaces. For example 'home' should go to prompt, not to begining of |
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363 | 363 | line. |
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364 | 364 | |
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365 | 365 | @param widget: Widget that key press accored in. |
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366 | 366 | @type widget: gtk.Widget |
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367 | 367 | @param event: Event object |
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368 | 368 | @type event: gtk.gdk.Event |
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369 | 369 | |
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370 | 370 | @return: Return True if event as been catched. |
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371 | 371 | @rtype: boolean |
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372 | 372 | ''' |
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373 | 373 | |
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374 | 374 | if event.GetKeyCode() == wx.WXK_HOME: |
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375 | 375 | if event.Modifiers == wx.MOD_NONE: |
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376 | 376 | self.moveCursorOnNewValidKey() |
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377 | 377 | self.moveCursor(self.getCurrentPromptStart()) |
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378 | 378 | return True |
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379 | 379 | elif event.Modifiers == wx.MOD_SHIFT: |
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380 | 380 | self.moveCursorOnNewValidKey() |
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381 | 381 | self.selectFromTo(self.getCurrentPromptStart(),self.getCursorPos()) |
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382 | 382 | return True |
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383 | 383 | else: |
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384 | 384 | return False |
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385 | 385 | |
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386 | 386 | elif event.GetKeyCode() == wx.WXK_LEFT: |
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387 | 387 | if event.Modifiers == wx.MOD_NONE: |
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388 | 388 | self.moveCursorOnNewValidKey() |
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389 | 389 | |
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390 | 390 | self.moveCursor(self.getCursorPos()-1) |
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391 | 391 | if self.getCursorPos() < self.getCurrentPromptStart(): |
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392 | 392 | self.moveCursor(self.getCurrentPromptStart()) |
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393 | 393 | return True |
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394 | 394 | |
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395 | 395 | elif event.GetKeyCode() == wx.WXK_BACK: |
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396 | 396 | self.moveCursorOnNewValidKey() |
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397 | 397 | if self.getCursorPos() > self.getCurrentPromptStart(): |
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398 | 398 | event.Skip() |
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399 | 399 | return True |
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400 | 400 | |
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401 | 401 | if skip: |
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402 | 402 | if event.GetKeyCode() not in [wx.WXK_PAGEUP,wx.WXK_PAGEDOWN] and event.Modifiers == wx.MOD_NONE: |
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403 | 403 | self.moveCursorOnNewValidKey() |
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404 | 404 | |
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405 | 405 | event.Skip() |
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406 | 406 | return True |
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407 | 407 | return False |
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408 | 408 | |
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409 | 409 | def OnUpdateUI(self, evt): |
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410 | 410 | # check for matching braces |
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411 | 411 | braceAtCaret = -1 |
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412 | 412 | braceOpposite = -1 |
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413 | 413 | charBefore = None |
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414 | 414 | caretPos = self.GetCurrentPos() |
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415 | 415 | |
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416 | 416 | if caretPos > 0: |
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417 | 417 | charBefore = self.GetCharAt(caretPos - 1) |
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418 | 418 | styleBefore = self.GetStyleAt(caretPos - 1) |
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419 | 419 | |
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420 | 420 | # check before |
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421 | 421 | if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR: |
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422 | 422 | braceAtCaret = caretPos - 1 |
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423 | 423 | |
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424 | 424 | # check after |
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425 | 425 | if braceAtCaret < 0: |
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426 | 426 | charAfter = self.GetCharAt(caretPos) |
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427 | 427 | styleAfter = self.GetStyleAt(caretPos) |
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428 | 428 | |
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429 | 429 | if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR: |
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430 | 430 | braceAtCaret = caretPos |
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431 | 431 | |
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432 | 432 | if braceAtCaret >= 0: |
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433 | 433 | braceOpposite = self.BraceMatch(braceAtCaret) |
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434 | 434 | |
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435 | 435 | if braceAtCaret != -1 and braceOpposite == -1: |
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436 | 436 | self.BraceBadLight(braceAtCaret) |
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437 | 437 | else: |
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438 | 438 | self.BraceHighlight(braceAtCaret, braceOpposite) |
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439 | 439 | #pt = self.PointFromPosition(braceOpposite) |
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440 | 440 | #self.Refresh(True, wxRect(pt.x, pt.y, 5,5)) |
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441 | 441 | #print pt |
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442 | 442 | #self.Refresh(False) |
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443 | 443 | |
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444 | 444 | class IPShellWidget(wx.Panel): |
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445 | 445 | ''' |
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446 | 446 | This is wx.Panel that embbed the IPython Thread and the wx.StyledTextControl |
|
447 | 447 | If you want to port this to any other GUI toolkit, just replace the |
|
448 | 448 | WxConsoleView by YOURGUIConsoleView and make YOURGUIIPythonView derivate |
|
449 | 449 | from whatever container you want. I've choosed to derivate from a wx.Panel |
|
450 | 450 | because it seems to be more useful |
|
451 | 451 | Any idea to make it more 'generic' welcomed. |
|
452 | 452 | ''' |
|
453 | 453 | |
|
454 | 454 | def __init__(self, parent, intro=None, |
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455 | 455 | background_color="BLACK", add_button_handler=None, |
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456 | wx_ip_shell=None, | |
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456 | wx_ip_shell=None, user_ns={},user_global_ns=None, | |
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457 | 457 | ): |
|
458 | 458 | ''' |
|
459 | 459 | Initialize. |
|
460 | 460 | Instanciate an IPython thread. |
|
461 | 461 | Instanciate a WxConsoleView. |
|
462 | 462 | Redirect I/O to console. |
|
463 | 463 | ''' |
|
464 | 464 | wx.Panel.__init__(self,parent,-1) |
|
465 | 465 | |
|
466 | 466 | ### IPython non blocking shell instanciation ### |
|
467 | 467 | self.cout = StringIO() |
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468 | 468 | self.add_button_handler = add_button_handler |
|
469 | 469 | |
|
470 | 470 | if wx_ip_shell is not None: |
|
471 | 471 | self.IP = wx_ip_shell |
|
472 | 472 | else: |
|
473 | 473 | self.IP = WxNonBlockingIPShell(self, |
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474 | 474 | cout = self.cout, cerr = self.cout, |
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475 | 475 | ask_exit_handler = self.askExitCallback, |
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476 | 476 | rawinput = self.rawInput) |
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477 | 477 | |
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478 | 478 | ### IPython wx console view instanciation ### |
|
479 | 479 | #If user didn't defined an intro text, we create one for him |
|
480 | 480 | #If you really wnat an empty intrp just call wxIPythonViewPanel |
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481 | 481 | #with intro='' |
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482 | 482 | if intro is None: |
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483 | 483 | welcome_text = "Welcome to WxIPython Shell.\n\n" |
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484 | 484 | welcome_text+= self.IP.getBanner() |
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485 | 485 | welcome_text+= "!command -> Execute command in shell\n" |
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486 | 486 | welcome_text+= "TAB -> Autocompletion\n" |
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487 | 487 | else: |
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488 | 488 | welcome_text = intro |
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489 | 489 | |
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490 | 490 | self.text_ctrl = WxConsoleView(self, |
|
491 | 491 | self.IP.getPrompt(), |
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492 | 492 | intro=welcome_text, |
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493 | 493 | background_color=background_color) |
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494 | 494 | |
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495 | 495 | self.cout.write = self.text_ctrl.write |
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496 | 496 | |
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497 | 497 | self.text_ctrl.Bind(wx.EVT_KEY_DOWN, self.keyPress, self.text_ctrl) |
|
498 | 498 | |
|
499 | 499 | ### making the layout of the panel ### |
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500 | 500 | sizer = wx.BoxSizer(wx.VERTICAL) |
|
501 | 501 | sizer.Add(self.text_ctrl, 1, wx.EXPAND) |
|
502 | 502 | self.SetAutoLayout(True) |
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503 | 503 | sizer.Fit(self) |
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504 | 504 | sizer.SetSizeHints(self) |
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505 | 505 | self.SetSizer(sizer) |
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506 | 506 | #and we focus on the widget :) |
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507 | 507 | self.SetFocus() |
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508 | 508 | |
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509 | 509 | #widget state management (for key handling different cases) |
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510 | 510 | self.setCurrentState('IDLE') |
|
511 | 511 | self.pager_state = 'DONE' |
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512 | 512 | |
|
513 | 513 | def askExitCallback(self, event): |
|
514 | 514 | self.askExitHandler(event) |
|
515 | 515 | |
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516 | 516 | #---------------------- IPython Thread Management ------------------------ |
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517 | 517 | def stateDoExecuteLine(self): |
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518 | 518 | #print >>sys.__stdout__,"command:",self.getCurrentLine() |
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519 | 519 | lines=self.text_ctrl.getCurrentLine() |
|
520 | 520 | self.text_ctrl.write('\n') |
|
521 | 521 | for line in lines.split('\n'): |
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522 | 522 | self.IP.doExecute((line.replace('\t',' '*4)).encode('cp1252')) |
|
523 | 523 | self.updateHistoryTracker(self.text_ctrl.getCurrentLine()) |
|
524 | 524 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
525 | 525 | |
|
526 | 526 | def evtStateExecuteDone(self,evt): |
|
527 | 527 | self.doc = self.IP.getDocText() |
|
528 | 528 | self.help = self.IP.getHelpText() |
|
529 | 529 | if self.doc: |
|
530 | 530 | self.pager_lines = self.doc[7:].split('\n') |
|
531 | 531 | self.pager_state = 'INIT' |
|
532 | 532 | self.setCurrentState('SHOW_DOC') |
|
533 | 533 | self.pager(self.doc) |
|
534 | 534 | elif self.help: |
|
535 | 535 | self.pager_lines = self.help.split('\n') |
|
536 | 536 | self.pager_state = 'INIT' |
|
537 | 537 | self.setCurrentState('SHOW_DOC') |
|
538 | 538 | self.pager(self.help) |
|
539 | 539 | else: |
|
540 | 540 | self.stateShowPrompt() |
|
541 | 541 | |
|
542 | 542 | def stateShowPrompt(self): |
|
543 | 543 | self.setCurrentState('SHOW_PROMPT') |
|
544 | 544 | self.text_ctrl.setPrompt(self.IP.getPrompt()) |
|
545 | 545 | self.text_ctrl.setIndentation(self.IP.getIndentation()) |
|
546 | 546 | self.text_ctrl.setPromptCount(self.IP.getPromptCount()) |
|
547 | 547 | self.text_ctrl.showPrompt() |
|
548 | 548 | self.IP.initHistoryIndex() |
|
549 | 549 | self.setCurrentState('IDLE') |
|
550 | 550 | |
|
551 | 551 | def setCurrentState(self, state): |
|
552 | 552 | self.cur_state = state |
|
553 | 553 | self.updateStatusTracker(self.cur_state) |
|
554 | 554 | #---------------------------- Ipython raw_input ----------------------------------- |
|
555 | 555 | def rawInput(self, prompt=''): |
|
556 | 556 | self.setCurrentState('WAITING_USER_INPUT') |
|
557 | 557 | while self.cur_state != 'WAIT_END_OF_EXECUTION': |
|
558 | 558 | pass |
|
559 | 559 | line = self.text_ctrl.getCurrentLine() |
|
560 | 560 | line = line.split('\n') |
|
561 | 561 | return line[-2] |
|
562 | 562 | |
|
563 | 563 | #---------------------------- IPython pager --------------------------------------- |
|
564 | 564 | def pager(self,text): |
|
565 | 565 | |
|
566 | 566 | if self.pager_state == 'INIT': |
|
567 | 567 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
568 | 568 | self.pager_nb_lines = len(self.pager_lines) |
|
569 | 569 | self.pager_index = 0 |
|
570 | 570 | self.pager_do_remove = False |
|
571 | 571 | self.text_ctrl.write('\n') |
|
572 | 572 | self.pager_state = 'PROCESS_LINES' |
|
573 | 573 | |
|
574 | 574 | if self.pager_state == 'PROCESS_LINES': |
|
575 | 575 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
576 | 576 | if self.pager_do_remove == True: |
|
577 | 577 | self.text_ctrl.removeCurrentLine() |
|
578 | 578 | self.pager_do_remove = False |
|
579 | 579 | |
|
580 | 580 | if self.pager_nb_lines > 10: |
|
581 | 581 | #print >>sys.__stdout__,"PAGER processing 10 lines" |
|
582 | 582 | if self.pager_index > 0: |
|
583 | 583 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
584 | 584 | else: |
|
585 | 585 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
586 | 586 | |
|
587 | 587 | for line in self.pager_lines[self.pager_index+1:self.pager_index+9]: |
|
588 | 588 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
589 | 589 | self.pager_index += 10 |
|
590 | 590 | self.pager_nb_lines -= 10 |
|
591 | 591 | self.text_ctrl.write("--- Push Enter to continue or 'Q' to quit---") |
|
592 | 592 | self.pager_do_remove = True |
|
593 | 593 | self.pager_state = 'WAITING' |
|
594 | 594 | return |
|
595 | 595 | else: |
|
596 | 596 | #print >>sys.__stdout__,"PAGER processing last lines" |
|
597 | 597 | if self.pager_nb_lines > 0: |
|
598 | 598 | if self.pager_index > 0: |
|
599 | 599 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
600 | 600 | else: |
|
601 | 601 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
602 | 602 | |
|
603 | 603 | self.pager_index += 1 |
|
604 | 604 | self.pager_nb_lines -= 1 |
|
605 | 605 | if self.pager_nb_lines > 0: |
|
606 | 606 | for line in self.pager_lines[self.pager_index:]: |
|
607 | 607 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
608 | 608 | self.pager_nb_lines = 0 |
|
609 | 609 | self.pager_state = 'DONE' |
|
610 | 610 | self.stateShowPrompt() |
|
611 | 611 | |
|
612 | 612 | #------------------------ Key Handler ------------------------------------ |
|
613 | 613 | def keyPress(self, event): |
|
614 | 614 | ''' |
|
615 | 615 | Key press callback with plenty of shell goodness, like history, |
|
616 | 616 | autocompletions, etc. |
|
617 | 617 | ''' |
|
618 | 618 | |
|
619 | 619 | if event.GetKeyCode() == ord('C'): |
|
620 | 620 | if event.Modifiers == wx.MOD_CONTROL: |
|
621 | 621 | if self.cur_state == 'WAIT_END_OF_EXECUTION': |
|
622 | 622 | #we raise an exception inside the IPython thread container |
|
623 | 623 | self.IP.ce.raise_exc(KeyboardInterrupt) |
|
624 | 624 | return |
|
625 | 625 | |
|
626 | 626 | if event.KeyCode == wx.WXK_RETURN: |
|
627 | 627 | if self.cur_state == 'IDLE': |
|
628 | 628 | #we change the state ot the state machine |
|
629 | 629 | self.setCurrentState('DO_EXECUTE_LINE') |
|
630 | 630 | self.stateDoExecuteLine() |
|
631 | 631 | return |
|
632 | 632 | if self.pager_state == 'WAITING': |
|
633 | 633 | self.pager_state = 'PROCESS_LINES' |
|
634 | 634 | self.pager(self.doc) |
|
635 | 635 | return |
|
636 | 636 | |
|
637 | 637 | if self.cur_state == 'WAITING_USER_INPUT': |
|
638 | 638 | line=self.text_ctrl.getCurrentLine() |
|
639 | 639 | self.text_ctrl.write('\n') |
|
640 | 640 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
641 | 641 | return |
|
642 | 642 | |
|
643 | 643 | if event.GetKeyCode() in [ord('q'),ord('Q')]: |
|
644 | 644 | if self.pager_state == 'WAITING': |
|
645 | 645 | self.pager_state = 'DONE' |
|
646 | 646 | self.text_ctrl.write('\n') |
|
647 | 647 | self.stateShowPrompt() |
|
648 | 648 | return |
|
649 | 649 | |
|
650 | 650 | if self.cur_state == 'WAITING_USER_INPUT': |
|
651 | 651 | event.Skip() |
|
652 | 652 | |
|
653 | 653 | if self.cur_state == 'IDLE': |
|
654 | 654 | if event.KeyCode == wx.WXK_UP: |
|
655 | 655 | history = self.IP.historyBack() |
|
656 | 656 | self.text_ctrl.writeHistory(history) |
|
657 | 657 | return |
|
658 | 658 | if event.KeyCode == wx.WXK_DOWN: |
|
659 | 659 | history = self.IP.historyForward() |
|
660 | 660 | self.text_ctrl.writeHistory(history) |
|
661 | 661 | return |
|
662 | 662 | if event.KeyCode == wx.WXK_TAB: |
|
663 | 663 | #if line empty we disable tab completion |
|
664 | 664 | if not self.text_ctrl.getCurrentLine().strip(): |
|
665 | 665 | self.text_ctrl.write('\t') |
|
666 | 666 | return |
|
667 | 667 | completed, possibilities = self.IP.complete(self.text_ctrl.getCurrentLine()) |
|
668 | 668 | if len(possibilities) > 1: |
|
669 | 669 | cur_slice = self.text_ctrl.getCurrentLine() |
|
670 | 670 | self.text_ctrl.write('\n') |
|
671 | 671 | self.text_ctrl.writeCompletion(possibilities) |
|
672 | 672 | self.text_ctrl.write('\n') |
|
673 | 673 | |
|
674 | 674 | self.text_ctrl.showPrompt() |
|
675 | 675 | self.text_ctrl.write(cur_slice) |
|
676 | 676 | self.text_ctrl.changeLine(completed or cur_slice) |
|
677 | 677 | |
|
678 | 678 | return |
|
679 | 679 | event.Skip() |
|
680 | 680 | |
|
681 | 681 | #------------------------ Hook Section ----------------------------------- |
|
682 | 682 | def updateHistoryTracker(self,command_line): |
|
683 | 683 | ''' |
|
684 | 684 | Default history tracker (does nothing) |
|
685 | 685 | ''' |
|
686 | 686 | pass |
|
687 | 687 | |
|
688 | 688 | def setHistoryTrackerHook(self,func): |
|
689 | 689 | ''' |
|
690 | 690 | Define a new history tracker |
|
691 | 691 | ''' |
|
692 | 692 | self.updateHistoryTracker = func |
|
693 | 693 | |
|
694 | 694 | def updateStatusTracker(self,status): |
|
695 | 695 | ''' |
|
696 | 696 | Default status tracker (does nothing) |
|
697 | 697 | ''' |
|
698 | 698 | pass |
|
699 | 699 | |
|
700 | 700 | def setStatusTrackerHook(self,func): |
|
701 | 701 | ''' |
|
702 | 702 | Define a new status tracker |
|
703 | 703 | ''' |
|
704 | 704 | self.updateStatusTracker = func |
|
705 | 705 | |
|
706 | 706 | def askExitHandler(self, event): |
|
707 | 707 | ''' |
|
708 | 708 | Default exit handler |
|
709 | 709 | ''' |
|
710 | 710 | self.text_ctrl.write('\nExit callback has not been set.') |
|
711 | 711 | |
|
712 | 712 | def setAskExitHandler(self, func): |
|
713 | 713 | ''' |
|
714 | 714 | Define an exit handler |
|
715 | 715 | ''' |
|
716 | 716 | self.askExitHandler = func |
|
717 | 717 | |
|
718 | 718 | if __name__ == '__main__': |
|
719 | 719 | # Some simple code to test the shell widget. |
|
720 | 720 | class MainWindow(wx.Frame): |
|
721 | 721 | def __init__(self, parent, id, title): |
|
722 | 722 | wx.Frame.__init__(self, parent, id, title, size=(300,250)) |
|
723 | 723 | self._sizer = wx.BoxSizer(wx.VERTICAL) |
|
724 | 724 | self.shell = IPShellWidget(self) |
|
725 | 725 | self._sizer.Add(self.shell, 1, wx.EXPAND) |
|
726 | 726 | self.SetSizer(self._sizer) |
|
727 | 727 | self.SetAutoLayout(1) |
|
728 | 728 | self.Show(True) |
|
729 | 729 | |
|
730 | 730 | app = wx.PySimpleApp() |
|
731 | 731 | frame = MainWindow(None, wx.ID_ANY, 'Ipython') |
|
732 | 732 | frame.SetSize((780, 460)) |
|
733 | 733 | shell = frame.shell |
|
734 | 734 | |
|
735 | 735 | app.MainLoop() |
|
736 | 736 | |
|
737 | 737 |
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