Mercurial > cpython-lru_cache-weakref
annotate Lib/idlelib/PyShell.py @ 29451:05058d813441 legacy-trunk
Remove reference to IDLEfork
| author | Kurt B. Kaiser <kbk@shore.net> |
|---|---|
| date | Sat, 14 Jun 2003 03:23:56 +0000 |
| parents | 72ce7cc03f27 |
| children | 3016a19e320e |
| rev | line source |
|---|---|
| 13975 | 1 #! /usr/bin/env python |
| 2 | |
| 3 import os | |
| 26468 | 4 import os.path |
| 13975 | 5 import sys |
| 6 import string | |
| 7 import getopt | |
| 8 import re | |
| 23547 | 9 import socket |
| 10 import time | |
| 27920 | 11 import threading |
| 25322 | 12 import traceback |
| 13 import types | |
| 26557 | 14 import exceptions |
| 13975 | 15 |
| 16 import linecache | |
| 17 from code import InteractiveInterpreter | |
| 18 | |
| 19 from Tkinter import * | |
| 20 import tkMessageBox | |
| 21 | |
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22 # Preserve 2.2 compatibility for Mac OS X: |
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23 import boolcheck |
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24 |
| 13975 | 25 from EditorWindow import EditorWindow, fixwordbreaks |
| 26 from FileList import FileList | |
| 27 from ColorDelegator import ColorDelegator | |
| 28 from UndoDelegator import UndoDelegator | |
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29 from OutputWindow import OutputWindow |
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30 from configHandler import idleConf |
| 13975 | 31 import idlever |
| 32 | |
| 23547 | 33 import rpc |
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34 import Debugger |
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35 import RemoteDebugger |
| 23547 | 36 |
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37 IDENTCHARS = string.ascii_letters + string.digits + "_" |
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38 LOCALHOST = '127.0.0.1' |
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39 |
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40 try: |
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41 from signal import SIGTERM |
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42 except ImportError: |
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43 SIGTERM = 15 |
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44 |
| 23547 | 45 # Change warnings module to write to sys.__stderr__ |
| 46 try: | |
| 47 import warnings | |
| 48 except ImportError: | |
| 49 pass | |
| 50 else: | |
| 51 def idle_showwarning(message, category, filename, lineno): | |
| 52 file = sys.__stderr__ | |
| 53 file.write(warnings.formatwarning(message, category, filename, lineno)) | |
| 54 warnings.showwarning = idle_showwarning | |
| 55 | |
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56 def extended_linecache_checkcache(orig_checkcache=linecache.checkcache): |
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57 """Extend linecache.checkcache to preserve the <pyshell#...> entries |
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58 |
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59 Rather than repeating the linecache code, patch it to save the pyshell# |
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60 entries, call the original linecache.checkcache(), and then restore the |
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61 saved entries. Assigning the orig_checkcache keyword arg freezes its value |
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62 at definition time to the (original) method linecache.checkcache(), i.e. |
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63 makes orig_checkcache lexical. |
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64 |
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65 """ |
| 13975 | 66 cache = linecache.cache |
| 67 save = {} | |
| 68 for filename in cache.keys(): | |
| 69 if filename[:1] + filename[-1:] == '<>': | |
| 70 save[filename] = cache[filename] | |
| 71 orig_checkcache() | |
| 72 cache.update(save) | |
| 26959 | 73 |
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74 # Patch linecache.checkcache(): |
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75 linecache.checkcache = extended_linecache_checkcache |
| 13975 | 76 |
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77 |
| 13975 | 78 class PyShellEditorWindow(EditorWindow): |
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79 "Regular text edit window when a shell is present" |
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80 |
| 13975 | 81 def __init__(self, *args): |
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82 self.breakpoints = [] |
| 13975 | 83 apply(EditorWindow.__init__, (self,) + args) |
| 84 self.text.bind("<<set-breakpoint-here>>", self.set_breakpoint_here) | |
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85 self.text.bind("<<clear-breakpoint-here>>", self.clear_breakpoint_here) |
| 13975 | 86 self.text.bind("<<open-python-shell>>", self.flist.open_shell) |
| 87 | |
| 26659 | 88 self.breakpointPath = os.path.join(idleConf.GetUserCfgDir(), |
| 89 'breakpoints.lst') | |
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90 # whenever a file is changed, restore breakpoints |
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91 if self.io.filename: self.restore_file_breaks() |
| 26659 | 92 def filename_changed_hook(old_hook=self.io.filename_change_hook, |
| 93 self=self): | |
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94 self.restore_file_breaks() |
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95 old_hook() |
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96 self.io.set_filename_change_hook(filename_changed_hook) |
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97 |
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98 rmenu_specs = [("Set Breakpoint", "<<set-breakpoint-here>>"), |
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99 ("Clear Breakpoint", "<<clear-breakpoint-here>>")] |
| 13975 | 100 |
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101 def set_breakpoint(self, lineno): |
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102 text = self.text |
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103 filename = self.io.filename |
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104 text.tag_add("BREAK", "%d.0" % lineno, "%d.0" % (lineno+1)) |
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105 try: |
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106 i = self.breakpoints.index(lineno) |
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107 except ValueError: # only add if missing, i.e. do once |
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108 self.breakpoints.append(lineno) |
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109 try: # update the subprocess debugger |
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110 debug = self.flist.pyshell.interp.debugger |
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111 debug.set_breakpoint_here(filename, lineno) |
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112 except: # but debugger may not be active right now.... |
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113 pass |
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114 |
| 13975 | 115 def set_breakpoint_here(self, event=None): |
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116 text = self.text |
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117 filename = self.io.filename |
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118 if not filename: |
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119 text.bell() |
| 13975 | 120 return |
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121 lineno = int(float(text.index("insert"))) |
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122 self.set_breakpoint(lineno) |
| 13975 | 123 |
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124 def clear_breakpoint_here(self, event=None): |
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125 text = self.text |
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126 filename = self.io.filename |
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127 if not filename: |
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128 text.bell() |
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129 return |
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130 lineno = int(float(text.index("insert"))) |
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131 try: |
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132 self.breakpoints.remove(lineno) |
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133 except: |
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134 pass |
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135 text.tag_remove("BREAK", "insert linestart",\ |
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136 "insert lineend +1char") |
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137 try: |
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138 debug = self.flist.pyshell.interp.debugger |
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139 debug.clear_breakpoint_here(filename, lineno) |
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140 except: |
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141 pass |
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142 |
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143 def clear_file_breaks(self): |
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144 if self.breakpoints: |
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145 text = self.text |
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146 filename = self.io.filename |
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147 if not filename: |
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148 text.bell() |
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149 return |
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150 self.breakpoints = [] |
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151 text.tag_remove("BREAK", "1.0", END) |
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152 try: |
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153 debug = self.flist.pyshell.interp.debugger |
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154 debug.clear_file_breaks(filename) |
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155 except: |
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156 pass |
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157 |
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158 def store_file_breaks(self): |
| 26659 | 159 "Save breakpoints when file is saved" |
| 160 # XXX 13 Dec 2002 KBK Currently the file must be saved before it can | |
| 161 # be run. The breaks are saved at that time. If we introduce | |
| 162 # a temporary file save feature the save breaks functionality | |
| 163 # needs to be re-verified, since the breaks at the time the | |
| 164 # temp file is created may differ from the breaks at the last | |
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165 # permanent save of the file. Currently, a break introduced |
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166 # after a save will be effective, but not persistent. |
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167 # This is necessary to keep the saved breaks synched with the |
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168 # saved file. |
| 26659 | 169 # |
| 170 # Breakpoints are set as tagged ranges in the text. Certain | |
| 171 # kinds of edits cause these ranges to be deleted: Inserting | |
| 172 # or deleting a line just before a breakpoint, and certain | |
| 173 # deletions prior to a breakpoint. These issues need to be | |
| 174 # investigated and understood. It's not clear if they are | |
| 175 # Tk issues or IDLE issues, or whether they can actually | |
| 176 # be fixed. Since a modified file has to be saved before it is | |
| 177 # run, and since self.breakpoints (from which the subprocess | |
| 178 # debugger is loaded) is updated during the save, the visible | |
| 179 # breaks stay synched with the subprocess even if one of these | |
| 180 # unexpected breakpoint deletions occurs. | |
| 181 breaks = self.breakpoints | |
| 182 filename = self.io.filename | |
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183 try: |
| 26659 | 184 lines = open(self.breakpointPath,"r").readlines() |
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185 except IOError: |
| 26659 | 186 lines = [] |
| 187 new_file = open(self.breakpointPath,"w") | |
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188 for line in lines: |
| 26659 | 189 if not line.startswith(filename + '='): |
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190 new_file.write(line) |
| 26659 | 191 self.update_breakpoints() |
| 192 breaks = self.breakpoints | |
| 193 if breaks: | |
| 194 new_file.write(filename + '=' + str(breaks) + '\n') | |
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195 new_file.close() |
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196 |
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197 def restore_file_breaks(self): |
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198 self.text.update() # this enables setting "BREAK" tags to be visible |
| 26659 | 199 filename = self.io.filename |
| 200 if filename is None: | |
| 201 return | |
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202 if os.path.isfile(self.breakpointPath): |
| 26659 | 203 lines = open(self.breakpointPath,"r").readlines() |
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204 for line in lines: |
| 26659 | 205 if line.startswith(filename + '='): |
| 26959 | 206 breakpoint_linenumbers = eval(line[len(filename)+1:]) |
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207 for breakpoint_linenumber in breakpoint_linenumbers: |
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208 self.set_breakpoint(breakpoint_linenumber) |
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209 |
| 26659 | 210 def update_breakpoints(self): |
| 211 "Retrieves all the breakpoints in the current window" | |
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212 text = self.text |
| 26659 | 213 ranges = text.tag_ranges("BREAK") |
| 214 linenumber_list = self.ranges_to_linenumbers(ranges) | |
| 215 self.breakpoints = linenumber_list | |
| 216 | |
| 217 def ranges_to_linenumbers(self, ranges): | |
| 218 lines = [] | |
| 219 for index in range(0, len(ranges), 2): | |
| 220 lineno = int(float(ranges[index])) | |
| 221 end = int(float(ranges[index+1])) | |
| 222 while lineno < end: | |
| 223 lines.append(lineno) | |
| 224 lineno += 1 | |
| 225 return lines | |
| 226 | |
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227 # XXX 13 Dec 2002 KBK Not used currently |
| 26659 | 228 # def saved_change_hook(self): |
| 229 # "Extend base method - clear breaks if module is modified" | |
| 230 # if not self.get_saved(): | |
| 231 # self.clear_file_breaks() | |
| 232 # EditorWindow.saved_change_hook(self) | |
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233 |
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234 def _close(self): |
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235 "Extend base method - clear breaks when module is closed" |
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236 self.clear_file_breaks() |
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237 EditorWindow._close(self) |
| 26959 | 238 |
| 13975 | 239 |
| 240 class PyShellFileList(FileList): | |
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241 "Extend base class: file list when a shell is present" |
| 13975 | 242 |
| 243 EditorWindow = PyShellEditorWindow | |
| 244 | |
| 245 pyshell = None | |
| 246 | |
| 247 def open_shell(self, event=None): | |
| 248 if self.pyshell: | |
| 249 self.pyshell.wakeup() | |
| 250 else: | |
| 251 self.pyshell = PyShell(self) | |
| 252 self.pyshell.begin() | |
| 253 return self.pyshell | |
| 254 | |
| 255 | |
| 256 class ModifiedColorDelegator(ColorDelegator): | |
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257 "Extend base class: colorizer for the shell window itself" |
| 26959 | 258 |
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259 def __init__(self): |
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260 ColorDelegator.__init__(self) |
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261 self.LoadTagDefs() |
| 13975 | 262 |
| 263 def recolorize_main(self): | |
| 264 self.tag_remove("TODO", "1.0", "iomark") | |
| 265 self.tag_add("SYNC", "1.0", "iomark") | |
| 266 ColorDelegator.recolorize_main(self) | |
| 26959 | 267 |
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268 def LoadTagDefs(self): |
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269 ColorDelegator.LoadTagDefs(self) |
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270 theme = idleConf.GetOption('main','Theme','name') |
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271 self.tagdefs.update({ |
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272 "stdin": {'background':None,'foreground':None}, |
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273 "stdout": idleConf.GetHighlight(theme, "stdout"), |
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274 "stderr": idleConf.GetHighlight(theme, "stderr"), |
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275 "console": idleConf.GetHighlight(theme, "console"), |
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276 None: idleConf.GetHighlight(theme, "normal"), |
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277 }) |
| 13975 | 278 |
| 279 class ModifiedUndoDelegator(UndoDelegator): | |
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280 "Extend base class: forbid insert/delete before the I/O mark" |
| 13975 | 281 |
| 282 def insert(self, index, chars, tags=None): | |
| 283 try: | |
| 284 if self.delegate.compare(index, "<", "iomark"): | |
| 285 self.delegate.bell() | |
| 286 return | |
| 287 except TclError: | |
| 288 pass | |
| 289 UndoDelegator.insert(self, index, chars, tags) | |
| 290 | |
| 291 def delete(self, index1, index2=None): | |
| 292 try: | |
| 293 if self.delegate.compare(index1, "<", "iomark"): | |
| 294 self.delegate.bell() | |
| 295 return | |
| 296 except TclError: | |
| 297 pass | |
| 298 UndoDelegator.delete(self, index1, index2) | |
| 299 | |
| 29254 | 300 |
| 301 class MyRPCClient(rpc.RPCClient): | |
| 302 | |
| 303 def handle_EOF(self): | |
| 304 "Override the base class - just re-raise EOFError" | |
| 305 raise EOFError | |
| 306 | |
| 29271 | 307 |
| 13975 | 308 class ModifiedInterpreter(InteractiveInterpreter): |
| 309 | |
| 310 def __init__(self, tkconsole): | |
| 311 self.tkconsole = tkconsole | |
| 312 locals = sys.modules['__main__'].__dict__ | |
| 313 InteractiveInterpreter.__init__(self, locals=locals) | |
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314 self.save_warnings_filters = None |
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315 self.restarting = False |
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316 self.subprocess_arglist = self.build_subprocess_arglist() |
| 13975 | 317 |
| 25123 | 318 port = 8833 |
| 23547 | 319 rpcclt = None |
| 320 rpcpid = None | |
| 321 | |
| 26959 | 322 def spawn_subprocess(self): |
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323 args = self.subprocess_arglist |
| 23547 | 324 self.rpcpid = os.spawnv(os.P_NOWAIT, args[0], args) |
| 25123 | 325 |
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326 def build_subprocess_arglist(self): |
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327 w = ['-W' + s for s in sys.warnoptions] |
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328 # Maybe IDLE is installed and is being accessed via sys.path, |
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329 # or maybe it's not installed and the idle.py script is being |
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330 # run from the IDLE source directory. |
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331 del_exitf = idleConf.GetOption('main', 'General', 'delete-exitfunc', |
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332 default=False, type='bool') |
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333 if __name__ == 'idlelib.PyShell': |
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334 command = "__import__('idlelib.run').run.main(" + `del_exitf` +")" |
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335 else: |
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336 command = "__import__('run').main(" + `del_exitf` + ")" |
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337 return [sys.executable] + w + ["-c", command, str(self.port)] |
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338 |
| 25123 | 339 def start_subprocess(self): |
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340 addr = (LOCALHOST, self.port) |
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341 # Idle starts listening for connection on localhost |
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342 for i in range(3): |
| 23547 | 343 time.sleep(i) |
| 344 try: | |
| 29254 | 345 self.rpcclt = MyRPCClient(addr) |
| 23547 | 346 break |
| 347 except socket.error, err: | |
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348 print>>sys.__stderr__,"IDLE socket error: " + err[1]\ |
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349 + ", retrying..." |
| 23547 | 350 else: |
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351 display_port_binding_error() |
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352 sys.exit() |
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353 self.spawn_subprocess() |
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354 # Accept the connection from the Python execution server |
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355 self.rpcclt.accept() |
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356 self.rpcclt.register("stdin", self.tkconsole) |
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357 self.rpcclt.register("stdout", self.tkconsole.stdout) |
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358 self.rpcclt.register("stderr", self.tkconsole.stderr) |
| 23547 | 359 self.rpcclt.register("flist", self.tkconsole.flist) |
| 27545 | 360 self.rpcclt.register("linecache", linecache) |
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361 self.rpcclt.register("interp", self) |
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362 self.transfer_path() |
| 23547 | 363 self.poll_subprocess() |
| 364 | |
| 25123 | 365 def restart_subprocess(self): |
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366 if self.restarting: |
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367 return |
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368 self.restarting = True |
| 25123 | 369 # close only the subprocess debugger |
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370 debug = self.getdebugger() |
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371 if debug: |
| 27920 | 372 try: |
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373 # Only close subprocess debugger, don't unregister gui_adap! |
| 27920 | 374 RemoteDebugger.close_subprocess_debugger(self.rpcclt) |
| 375 except: | |
| 376 pass | |
| 377 # Kill subprocess, spawn a new one, accept connection. | |
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378 self.rpcclt.close() |
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379 self.unix_terminate() |
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380 console = self.tkconsole |
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381 was_executing = console.executing |
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382 console.executing = False |
| 25123 | 383 self.spawn_subprocess() |
| 384 self.rpcclt.accept() | |
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|
385 self.transfer_path() |
| 27074 | 386 # annotate restart in shell window and mark it |
| 27336 | 387 console.text.delete("iomark", "end-1c") |
|
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388 if was_executing: |
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389 console.write('\n') |
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390 console.showprompt() |
| 27074 | 391 halfbar = ((int(console.width) - 16) // 2) * '=' |
| 392 console.write(halfbar + ' RESTART ' + halfbar) | |
| 393 console.text.mark_set("restart", "end-1c") | |
| 394 console.text.mark_gravity("restart", "left") | |
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395 console.showprompt() |
| 27920 | 396 # restart subprocess debugger |
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397 if debug: |
|
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398 # Restarted debugger connects to current instance of debug GUI |
| 25123 | 399 gui = RemoteDebugger.restart_subprocess_debugger(self.rpcclt) |
|
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400 # reload remote debugger breakpoints for all PyShellEditWindows |
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401 debug.load_breakpoints() |
|
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402 self.restarting = False |
|
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403 |
| 27920 | 404 def __request_interrupt(self): |
|
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405 self.rpcclt.remotecall("exec", "interrupt_the_server", (), {}) |
| 27920 | 406 |
| 407 def interrupt_subprocess(self): | |
|
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408 threading.Thread(target=self.__request_interrupt).start() |
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409 |
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410 def kill_subprocess(self): |
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411 self.rpcclt.close() |
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412 self.unix_terminate() |
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413 self.tkconsole.executing = False |
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414 self.rpcclt = None |
| 27920 | 415 |
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416 def unix_terminate(self): |
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417 "UNIX: make sure subprocess is terminated and collect status" |
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418 if hasattr(os, 'kill'): |
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419 try: |
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420 os.kill(self.rpcpid, SIGTERM) |
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421 except OSError: |
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422 # process already terminated: |
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423 return |
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424 else: |
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425 try: |
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426 os.waitpid(self.rpcpid, 0) |
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427 except OSError: |
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428 return |
| 28385 | 429 |
|
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430 def transfer_path(self): |
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431 self.runcommand("""if 1: |
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432 import sys as _sys |
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433 _sys.path = %s |
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434 del _sys |
| 28159 | 435 _msg = 'Use File/Exit or your end-of-file key to quit IDLE' |
| 436 __builtins__.quit = __builtins__.exit = _msg | |
| 437 del _msg | |
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438 \n""" % `sys.path`) |
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439 |
| 23547 | 440 active_seq = None |
| 441 | |
| 442 def poll_subprocess(self): | |
| 443 clt = self.rpcclt | |
| 444 if clt is None: | |
| 445 return | |
| 27920 | 446 try: |
|
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447 response = clt.pollresponse(self.active_seq, wait=0.05) |
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448 except (EOFError, IOError, KeyboardInterrupt): |
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449 # lost connection or subprocess terminated itself, restart |
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450 # [the KBI is from rpc.SocketIO.handle_EOF()] |
| 29254 | 451 if self.tkconsole.closing: |
| 452 return | |
| 27920 | 453 response = None |
| 454 self.restart_subprocess() | |
| 23547 | 455 if response: |
| 456 self.tkconsole.resetoutput() | |
| 457 self.active_seq = None | |
| 458 how, what = response | |
| 27379 | 459 console = self.tkconsole.console |
| 23547 | 460 if how == "OK": |
| 461 if what is not None: | |
| 27379 | 462 print >>console, `what` |
| 23547 | 463 elif how == "EXCEPTION": |
| 464 if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"): | |
| 465 self.remote_stack_viewer() | |
| 466 elif how == "ERROR": | |
| 26557 | 467 errmsg = "PyShell.ModifiedInterpreter: Subprocess ERROR:\n" |
| 468 print >>sys.__stderr__, errmsg, what | |
| 27379 | 469 print >>console, errmsg, what |
| 470 # we received a response to the currently active seq number: | |
| 23547 | 471 self.tkconsole.endexecuting() |
|
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472 # Reschedule myself |
|
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473 if not self.tkconsole.closing: |
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474 self.tkconsole.text.after(self.tkconsole.pollinterval, |
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|
475 self.poll_subprocess) |
| 23547 | 476 |
|
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|
477 debugger = None |
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|
478 |
|
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|
479 def setdebugger(self, debugger): |
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480 self.debugger = debugger |
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|
481 |
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|
482 def getdebugger(self): |
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483 return self.debugger |
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|
484 |
|
29353
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Modify the remote stack viewer to work in the threaded subprocess.
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|
485 def open_remote_stack_viewer(self): |
|
b1395014714a
Modify the remote stack viewer to work in the threaded subprocess.
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|
486 """Initiate the remote stack viewer from a separate thread. |
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|
487 |
|
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|
488 This method is called from the subprocess, and by returning from this |
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changeset
|
489 method we allow the subprocess to unblock. After a bit the shell |
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|
490 requests the subprocess to open the remote stack viewer which returns a |
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|
491 static object looking at the last exceptiopn. It is queried through |
|
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|
492 the RPC mechanism. |
|
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|
493 |
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494 """ |
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|
495 self.tkconsole.text.after(300, self.remote_stack_viewer) |
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496 return |
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|
497 |
| 23547 | 498 def remote_stack_viewer(self): |
| 499 import RemoteObjectBrowser | |
|
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500 oid = self.rpcclt.remotequeue("exec", "stackviewer", ("flist",), {}) |
| 23547 | 501 if oid is None: |
| 502 self.tkconsole.root.bell() | |
| 503 return | |
| 504 item = RemoteObjectBrowser.StubObjectTreeItem(self.rpcclt, oid) | |
| 505 from TreeWidget import ScrolledCanvas, TreeNode | |
| 506 top = Toplevel(self.tkconsole.root) | |
| 507 sc = ScrolledCanvas(top, bg="white", highlightthickness=0) | |
| 508 sc.frame.pack(expand=1, fill="both") | |
| 509 node = TreeNode(sc.canvas, None, item) | |
| 510 node.expand() | |
| 511 # XXX Should GC the remote tree when closing the window | |
| 512 | |
| 13975 | 513 gid = 0 |
| 514 | |
| 515 def execsource(self, source): | |
|
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Clear associated breakpoints when closing an edit window.
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516 "Like runsource() but assumes complete exec source" |
| 13975 | 517 filename = self.stuffsource(source) |
| 518 self.execfile(filename, source) | |
| 519 | |
| 520 def execfile(self, filename, source=None): | |
|
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|
521 "Execute an existing file" |
| 13975 | 522 if source is None: |
| 523 source = open(filename, "r").read() | |
| 524 try: | |
| 525 code = compile(source, filename, "exec") | |
| 526 except (OverflowError, SyntaxError): | |
| 527 self.tkconsole.resetoutput() | |
|
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|
528 tkerr = self.tkconsole.stderr |
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|
529 print>>tkerr, '*** Error in script or command!\n' |
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|
530 print>>tkerr, 'Traceback (most recent call last):' |
| 13975 | 531 InteractiveInterpreter.showsyntaxerror(self, filename) |
| 26468 | 532 self.tkconsole.showprompt() |
| 13975 | 533 else: |
| 534 self.runcode(code) | |
| 535 | |
| 536 def runsource(self, source): | |
|
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|
537 "Extend base class method: Stuff the source in the line cache first" |
| 13975 | 538 filename = self.stuffsource(source) |
| 539 self.more = 0 | |
|
18560
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cvs-py-rel2_1 (Rev 1.29 - 1.33) merge
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|
540 self.save_warnings_filters = warnings.filters[:] |
|
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|
541 warnings.filterwarnings(action="error", category=SyntaxWarning) |
| 25310 | 542 if isinstance(source, types.UnicodeType): |
| 543 import IOBinding | |
| 544 try: | |
| 545 source = source.encode(IOBinding.encoding) | |
| 546 except UnicodeError: | |
| 547 self.tkconsole.resetoutput() | |
| 548 self.write("Unsupported characters in input") | |
| 549 return | |
|
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550 try: |
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|
551 return InteractiveInterpreter.runsource(self, source, filename) |
|
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|
552 finally: |
|
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changeset
|
553 if self.save_warnings_filters is not None: |
|
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|
554 warnings.filters[:] = self.save_warnings_filters |
|
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|
555 self.save_warnings_filters = None |
| 13975 | 556 |
| 557 def stuffsource(self, source): | |
|
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|
558 "Stuff source in the filename cache" |
| 13975 | 559 filename = "<pyshell#%d>" % self.gid |
| 560 self.gid = self.gid + 1 | |
| 25310 | 561 lines = source.split("\n") |
| 13975 | 562 linecache.cache[filename] = len(source)+1, 0, lines, filename |
| 563 return filename | |
| 26959 | 564 |
|
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c7dfda993b2f
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|
565 def prepend_syspath(self, filename): |
|
c7dfda993b2f
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changeset
|
566 "Prepend sys.path with file's directory if not already included" |
|
c7dfda993b2f
1. When a module is run from an EditorWindow, if its directory is not in
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|
567 self.runcommand("""if 1: |
|
c7dfda993b2f
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|
568 _filename = %s |
|
c7dfda993b2f
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changeset
|
569 import sys as _sys |
|
c7dfda993b2f
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|
570 from os.path import dirname as _dirname |
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571 _dir = _dirname(_filename) |
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572 if not _dir in _sys.path: |
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573 _sys.path.insert(0, _dir) |
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574 del _filename, _sys, _dirname, _dir |
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575 \n""" % `filename`) |
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576 |
| 13975 | 577 def showsyntaxerror(self, filename=None): |
|
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578 """Extend base class method: Add Colorizing |
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579 |
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580 Color the offending position instead of printing it and pointing at it |
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581 with a caret. |
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582 |
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583 """ |
| 13975 | 584 text = self.tkconsole.text |
| 585 stuff = self.unpackerror() | |
| 26468 | 586 if stuff: |
| 587 msg, lineno, offset, line = stuff | |
| 588 if lineno == 1: | |
| 589 pos = "iomark + %d chars" % (offset-1) | |
| 590 else: | |
| 591 pos = "iomark linestart + %d lines + %d chars" % \ | |
| 592 (lineno-1, offset-1) | |
| 593 text.tag_add("ERROR", pos) | |
| 594 text.see(pos) | |
| 595 char = text.get(pos) | |
| 596 if char and char in IDENTCHARS: | |
| 597 text.tag_add("ERROR", pos + " wordstart", pos) | |
| 598 self.tkconsole.resetoutput() | |
| 599 self.write("SyntaxError: %s\n" % str(msg)) | |
| 600 else: | |
| 13975 | 601 self.tkconsole.resetoutput() |
| 602 InteractiveInterpreter.showsyntaxerror(self, filename) | |
| 26468 | 603 self.tkconsole.showprompt() |
| 13975 | 604 |
| 605 def unpackerror(self): | |
| 606 type, value, tb = sys.exc_info() | |
| 607 ok = type is SyntaxError | |
| 608 if ok: | |
| 609 try: | |
| 610 msg, (dummy_filename, lineno, offset, line) = value | |
| 611 except: | |
| 612 ok = 0 | |
| 613 if ok: | |
| 614 return msg, lineno, offset, line | |
| 615 else: | |
| 616 return None | |
| 617 | |
| 618 def showtraceback(self): | |
|
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|
619 "Extend base class method to reset output properly" |
| 13975 | 620 self.tkconsole.resetoutput() |
| 621 self.checklinecache() | |
| 622 InteractiveInterpreter.showtraceback(self) | |
| 23547 | 623 if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"): |
| 624 self.tkconsole.open_stack_viewer() | |
| 13975 | 625 |
| 626 def checklinecache(self): | |
| 627 c = linecache.cache | |
| 628 for key in c.keys(): | |
| 629 if key[:1] + key[-1:] != "<>": | |
| 630 del c[key] | |
| 631 | |
| 25123 | 632 def display_executing_dialog(self): |
| 633 tkMessageBox.showerror( | |
| 634 "Already executing", | |
| 635 "The Python Shell window is already executing a command; " | |
| 636 "please wait until it is finished.", | |
| 637 master=self.tkconsole.text) | |
| 26959 | 638 |
| 23547 | 639 def runcommand(self, code): |
|
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|
640 "Run the code without invoking the debugger" |
| 23547 | 641 # The code better not raise an exception! |
| 642 if self.tkconsole.executing: | |
|
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Add missing self for method call
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643 self.display_executing_dialog() |
| 23547 | 644 return 0 |
| 645 if self.rpcclt: | |
|
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646 self.rpcclt.remotequeue("exec", "runcode", (code,), {}) |
| 23547 | 647 else: |
| 648 exec code in self.locals | |
| 649 return 1 | |
| 650 | |
| 13975 | 651 def runcode(self, code): |
|
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652 "Override base class method" |
| 23547 | 653 if self.tkconsole.executing: |
| 27920 | 654 self.interp.restart_subprocess() |
| 23547 | 655 self.checklinecache() |
|
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656 if self.save_warnings_filters is not None: |
|
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657 warnings.filters[:] = self.save_warnings_filters |
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658 self.save_warnings_filters = None |
| 13975 | 659 debugger = self.debugger |
| 660 try: | |
|
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661 self.tkconsole.beginexecuting() |
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662 try: |
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663 if not debugger and self.rpcclt is not None: |
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664 self.active_seq = self.rpcclt.asyncqueue("exec", "runcode", |
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665 (code,), {}) |
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666 elif debugger: |
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667 debugger.run(code, self.locals) |
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668 else: |
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669 exec code in self.locals |
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670 except SystemExit: |
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671 if tkMessageBox.askyesno( |
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672 "Exit?", |
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673 "Do you want to exit altogether?", |
|
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674 default="yes", |
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|
675 master=self.tkconsole.text): |
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676 raise |
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677 else: |
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678 self.showtraceback() |
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679 except: |
| 13975 | 680 self.showtraceback() |
|
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681 finally: |
|
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682 if not use_subprocess: |
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|
683 self.tkconsole.endexecuting() |
| 13975 | 684 |
| 685 def write(self, s): | |
|
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|
686 "Override base class method" |
|
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|
687 self.tkconsole.stderr.write(s) |
| 13975 | 688 |
| 689 class PyShell(OutputWindow): | |
| 690 | |
| 691 shell_title = "Python Shell" | |
| 692 | |
| 693 # Override classes | |
| 694 ColorDelegator = ModifiedColorDelegator | |
| 695 UndoDelegator = ModifiedUndoDelegator | |
| 696 | |
|
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Rework the command line interface, incorporating the shell/edit
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697 # Override menus |
|
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|
698 menu_specs = [ |
|
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699 ("file", "_File"), |
|
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|
700 ("edit", "_Edit"), |
| 27336 | 701 ("debug", "_Debug"), |
| 27074 | 702 ("options", "_Options"), |
|
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|
703 ("windows", "_Windows"), |
|
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704 ("help", "_Help"), |
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|
705 ] |
| 13975 | 706 |
| 707 # New classes | |
| 708 from IdleHistory import History | |
| 709 | |
| 710 def __init__(self, flist=None): | |
|
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|
711 if use_subprocess: |
| 29254 | 712 ms = self.menu_specs |
| 713 if ms[2][0] != "shell": | |
| 714 ms.insert(2, ("shell", "_Shell")) | |
| 13975 | 715 self.interp = ModifiedInterpreter(self) |
| 716 if flist is None: | |
| 717 root = Tk() | |
| 718 fixwordbreaks(root) | |
| 719 root.withdraw() | |
| 720 flist = PyShellFileList(root) | |
|
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|
721 # |
| 13975 | 722 OutputWindow.__init__(self, flist, None, None) |
|
25691
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|
723 # |
| 13975 | 724 import __builtin__ |
| 725 __builtin__.quit = __builtin__.exit = "To exit, type Ctrl-D." | |
|
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|
726 # |
|
25261
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|
727 self.config(usetabs=1, indentwidth=8, context_use_ps1=1) |
|
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|
728 # |
| 13975 | 729 text = self.text |
| 730 text.configure(wrap="char") | |
| 731 text.bind("<<newline-and-indent>>", self.enter_callback) | |
| 732 text.bind("<<plain-newline-and-indent>>", self.linefeed_callback) | |
| 733 text.bind("<<interrupt-execution>>", self.cancel_callback) | |
| 734 text.bind("<<beginning-of-line>>", self.home_callback) | |
| 735 text.bind("<<end-of-file>>", self.eof_callback) | |
| 736 text.bind("<<open-stack-viewer>>", self.open_stack_viewer) | |
|
29059
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diff
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|
737 text.bind("<<toggle-debugger>>", self.toggle_debugger) |
| 13975 | 738 text.bind("<<open-python-shell>>", self.flist.open_shell) |
| 739 text.bind("<<toggle-jit-stack-viewer>>", self.toggle_jit_stack_viewer) | |
|
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|
740 if use_subprocess: |
|
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|
741 text.bind("<<view-restart>>", self.view_restart_mark) |
|
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|
742 text.bind("<<restart-shell>>", self.restart_shell) |
|
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|
743 # |
| 13975 | 744 self.save_stdout = sys.stdout |
| 745 self.save_stderr = sys.stderr | |
| 746 self.save_stdin = sys.stdin | |
| 23547 | 747 self.stdout = PseudoFile(self, "stdout") |
| 748 self.stderr = PseudoFile(self, "stderr") | |
| 13975 | 749 self.console = PseudoFile(self, "console") |
| 23547 | 750 if not use_subprocess: |
| 751 sys.stdout = self.stdout | |
| 752 sys.stderr = self.stderr | |
| 753 sys.stdin = self | |
|
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|
754 # |
| 13975 | 755 self.history = self.History(self.text) |
|
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|
756 # |
|
29171
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Fix race exposed by 2.4 GHz XP box: Don't tear down PyShell until
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|
757 self.pollinterval = 50 # millisec |
| 23547 | 758 if use_subprocess: |
| 25123 | 759 self.interp.start_subprocess() |
| 23547 | 760 |
| 27920 | 761 reading = False |
| 762 executing = False | |
| 763 canceled = False | |
| 764 endoffile = False | |
| 765 closing = False | |
| 13975 | 766 |
| 767 def toggle_debugger(self, event=None): | |
| 768 if self.executing: | |
| 769 tkMessageBox.showerror("Don't debug now", | |
| 770 "You can only toggle the debugger when idle", | |
| 771 master=self.text) | |
| 772 self.set_debugger_indicator() | |
| 773 return "break" | |
| 774 else: | |
| 775 db = self.interp.getdebugger() | |
| 776 if db: | |
| 777 self.close_debugger() | |
| 778 else: | |
| 779 self.open_debugger() | |
| 780 | |
| 781 def set_debugger_indicator(self): | |
| 782 db = self.interp.getdebugger() | |
| 783 self.setvar("<<toggle-debugger>>", not not db) | |
| 784 | |
| 27074 | 785 def toggle_jit_stack_viewer(self, event=None): |
| 13975 | 786 pass # All we need is the variable |
| 787 | |
| 788 def close_debugger(self): | |
| 789 db = self.interp.getdebugger() | |
| 790 if db: | |
| 791 self.interp.setdebugger(None) | |
| 792 db.close() | |
|
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793 if self.interp.rpcclt: |
|
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|
794 RemoteDebugger.close_remote_debugger(self.interp.rpcclt) |
| 13975 | 795 self.resetoutput() |
| 796 self.console.write("[DEBUG OFF]\n") | |
| 797 sys.ps1 = ">>> " | |
| 798 self.showprompt() | |
| 799 self.set_debugger_indicator() | |
| 800 | |
| 801 def open_debugger(self): | |
| 23547 | 802 if self.interp.rpcclt: |
|
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|
803 dbg_gui = RemoteDebugger.start_remote_debugger(self.interp.rpcclt, |
|
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|
804 self) |
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805 else: |
|
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|
806 dbg_gui = Debugger.Debugger(self) |
|
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|
807 self.interp.setdebugger(dbg_gui) |
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|
808 dbg_gui.load_breakpoints() |
| 23547 | 809 sys.ps1 = "[DEBUG ON]\n>>> " |
| 810 self.showprompt() | |
| 811 self.set_debugger_indicator() | |
| 812 | |
| 13975 | 813 def beginexecuting(self): |
|
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|
814 "Helper for ModifiedInterpreter" |
| 13975 | 815 self.resetoutput() |
| 816 self.executing = 1 | |
| 817 | |
| 818 def endexecuting(self): | |
|
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819 "Helper for ModifiedInterpreter" |
| 13975 | 820 self.executing = 0 |
| 821 self.canceled = 0 | |
| 23547 | 822 self.showprompt() |
| 13975 | 823 |
| 824 def close(self): | |
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825 "Extend EditorWindow.close()" |
| 13975 | 826 if self.executing: |
| 27920 | 827 response = tkMessageBox.askokcancel( |
| 13975 | 828 "Kill?", |
| 27920 | 829 "The program is still running!\n Do you want to kill it?", |
| 13975 | 830 default="ok", |
|
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831 parent=self.text) |
| 27920 | 832 if response == False: |
| 13975 | 833 return "cancel" |
| 29254 | 834 self.closing = True |
| 835 # Wait for poll_subprocess() rescheduling to stop | |
| 836 self.text.after(2 * self.pollinterval, self.close2) | |
|
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837 |
|
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838 def close2(self): |
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839 return EditorWindow.close(self) |
| 13975 | 840 |
| 841 def _close(self): | |
|
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842 "Extend EditorWindow._close(), shut down debugger and execution server" |
| 13975 | 843 self.close_debugger() |
|
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844 if use_subprocess: |
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845 self.interp.kill_subprocess() |
| 13975 | 846 # Restore std streams |
| 847 sys.stdout = self.save_stdout | |
| 848 sys.stderr = self.save_stderr | |
| 849 sys.stdin = self.save_stdin | |
| 850 # Break cycles | |
| 851 self.interp = None | |
| 852 self.console = None | |
| 853 self.flist.pyshell = None | |
| 854 self.history = None | |
|
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855 EditorWindow._close(self) |
| 13975 | 856 |
| 857 def ispythonsource(self, filename): | |
|
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858 "Override EditorWindow method: never remove the colorizer" |
| 25310 | 859 return True |
| 13975 | 860 |
| 861 def short_title(self): | |
| 862 return self.shell_title | |
| 863 | |
|
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864 COPYRIGHT = \ |
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865 'Type "copyright", "credits" or "license()" for more information.' |
|
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866 |
| 13975 | 867 def begin(self): |
| 868 self.resetoutput() | |
|
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|
869 if use_subprocess: |
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870 nosub = '' |
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871 else: |
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872 nosub = "==== No Subprocess ====" |
|
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873 self.write("Python %s on %s\n%s\nIDLE %s %s\n" % |
|
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874 (sys.version, sys.platform, self.COPYRIGHT, |
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875 idlever.IDLE_VERSION, nosub)) |
| 13975 | 876 self.showprompt() |
| 877 import Tkinter | |
| 878 Tkinter._default_root = None | |
| 879 | |
| 880 def interact(self): | |
| 881 self.begin() | |
| 882 self.top.mainloop() | |
| 883 | |
| 884 def readline(self): | |
| 885 save = self.reading | |
| 886 try: | |
| 887 self.reading = 1 | |
| 888 self.top.mainloop() | |
| 889 finally: | |
| 890 self.reading = save | |
| 891 line = self.text.get("iomark", "end-1c") | |
| 892 self.resetoutput() | |
| 893 if self.canceled: | |
| 894 self.canceled = 0 | |
| 895 raise KeyboardInterrupt | |
| 896 if self.endoffile: | |
| 897 self.endoffile = 0 | |
| 898 return "" | |
| 899 return line | |
| 900 | |
| 901 def isatty(self): | |
| 25310 | 902 return True |
| 13975 | 903 |
| 27920 | 904 def cancel_callback(self, event=None): |
| 13975 | 905 try: |
| 906 if self.text.compare("sel.first", "!=", "sel.last"): | |
| 907 return # Active selection -- always use default binding | |
| 908 except: | |
| 909 pass | |
| 910 if not (self.executing or self.reading): | |
| 911 self.resetoutput() | |
|
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|
912 self.interp.write("KeyboardInterrupt\n") |
| 13975 | 913 self.showprompt() |
| 914 return "break" | |
| 915 self.endoffile = 0 | |
| 27920 | 916 self.canceled = 1 |
| 13975 | 917 if self.reading: |
| 918 self.top.quit() | |
| 27920 | 919 elif (self.executing and self.interp.rpcclt): |
| 29254 | 920 if self.interp.getdebugger(): |
| 921 self.interp.restart_subprocess() | |
| 922 else: | |
| 923 self.interp.interrupt_subprocess() | |
| 13975 | 924 return "break" |
| 925 | |
| 926 def eof_callback(self, event): | |
| 927 if self.executing and not self.reading: | |
| 928 return # Let the default binding (delete next char) take over | |
| 929 if not (self.text.compare("iomark", "==", "insert") and | |
| 930 self.text.compare("insert", "==", "end-1c")): | |
| 931 return # Let the default binding (delete next char) take over | |
| 932 if not self.executing: | |
| 933 self.resetoutput() | |
| 934 self.close() | |
| 935 else: | |
| 936 self.canceled = 0 | |
| 937 self.endoffile = 1 | |
| 938 self.top.quit() | |
| 939 return "break" | |
| 940 | |
| 941 def home_callback(self, event): | |
| 942 if event.state != 0 and event.keysym == "Home": | |
| 943 return # <Modifier-Home>; fall back to class binding | |
| 944 if self.text.compare("iomark", "<=", "insert") and \ | |
| 945 self.text.compare("insert linestart", "<=", "iomark"): | |
| 946 self.text.mark_set("insert", "iomark") | |
| 947 self.text.tag_remove("sel", "1.0", "end") | |
| 948 self.text.see("insert") | |
| 949 return "break" | |
| 950 | |
| 951 def linefeed_callback(self, event): | |
| 952 # Insert a linefeed without entering anything (still autoindented) | |
| 953 if self.reading: | |
| 954 self.text.insert("insert", "\n") | |
| 955 self.text.see("insert") | |
| 956 else: | |
| 26667 | 957 self.newline_and_indent_event(event) |
| 13975 | 958 return "break" |
| 959 | |
| 960 def enter_callback(self, event): | |
| 961 if self.executing and not self.reading: | |
| 962 return # Let the default binding (insert '\n') take over | |
| 963 # If some text is selected, recall the selection | |
| 964 # (but only if this before the I/O mark) | |
| 965 try: | |
| 966 sel = self.text.get("sel.first", "sel.last") | |
| 967 if sel: | |
| 968 if self.text.compare("sel.last", "<=", "iomark"): | |
| 969 self.recall(sel) | |
| 970 return "break" | |
| 971 except: | |
| 972 pass | |
| 973 # If we're strictly before the line containing iomark, recall | |
| 974 # the current line, less a leading prompt, less leading or | |
| 975 # trailing whitespace | |
| 976 if self.text.compare("insert", "<", "iomark linestart"): | |
| 977 # Check if there's a relevant stdin range -- if so, use it | |
| 978 prev = self.text.tag_prevrange("stdin", "insert") | |
| 979 if prev and self.text.compare("insert", "<", prev[1]): | |
| 980 self.recall(self.text.get(prev[0], prev[1])) | |
| 981 return "break" | |
| 982 next = self.text.tag_nextrange("stdin", "insert") | |
| 983 if next and self.text.compare("insert lineend", ">=", next[0]): | |
| 984 self.recall(self.text.get(next[0], next[1])) | |
| 985 return "break" | |
| 26827 | 986 # No stdin mark -- just get the current line, less any prompt |
| 987 line = self.text.get("insert linestart", "insert lineend") | |
| 988 last_line_of_prompt = sys.ps1.split('\n')[-1] | |
| 989 if line.startswith(last_line_of_prompt): | |
| 990 line = line[len(last_line_of_prompt):] | |
| 991 self.recall(line) | |
| 13975 | 992 return "break" |
| 26667 | 993 # If we're between the beginning of the line and the iomark, i.e. |
| 26827 | 994 # in the prompt area, move to the end of the prompt |
| 26667 | 995 if self.text.compare("insert", "<", "iomark"): |
| 26827 | 996 self.text.mark_set("insert", "iomark") |
| 13975 | 997 # If we're in the current input and there's only whitespace |
| 998 # beyond the cursor, erase that whitespace first | |
| 999 s = self.text.get("insert", "end-1c") | |
| 25310 | 1000 if s and not s.strip(): |
| 13975 | 1001 self.text.delete("insert", "end-1c") |
| 1002 # If we're in the current input before its last line, | |
| 1003 # insert a newline right at the insert point | |
| 1004 if self.text.compare("insert", "<", "end-1c linestart"): | |
| 26667 | 1005 self.newline_and_indent_event(event) |
| 13975 | 1006 return "break" |
| 1007 # We're in the last line; append a newline and submit it | |
| 1008 self.text.mark_set("insert", "end-1c") | |
| 1009 if self.reading: | |
| 1010 self.text.insert("insert", "\n") | |
| 1011 self.text.see("insert") | |
| 1012 else: | |
| 26667 | 1013 self.newline_and_indent_event(event) |
| 13975 | 1014 self.text.tag_add("stdin", "iomark", "end-1c") |
| 1015 self.text.update_idletasks() | |
| 1016 if self.reading: | |
| 1017 self.top.quit() # Break out of recursive mainloop() in raw_input() | |
| 1018 else: | |
| 1019 self.runit() | |
| 1020 return "break" | |
| 1021 | |
| 1022 def recall(self, s): | |
| 1023 if self.history: | |
| 1024 self.history.recall(s) | |
| 1025 | |
| 1026 def runit(self): | |
| 1027 line = self.text.get("iomark", "end-1c") | |
| 1028 # Strip off last newline and surrounding whitespace. | |
| 1029 # (To allow you to hit return twice to end a statement.) | |
| 1030 i = len(line) | |
| 1031 while i > 0 and line[i-1] in " \t": | |
| 1032 i = i-1 | |
| 1033 if i > 0 and line[i-1] == "\n": | |
| 1034 i = i-1 | |
| 1035 while i > 0 and line[i-1] in " \t": | |
| 1036 i = i-1 | |
| 1037 line = line[:i] | |
| 1038 more = self.interp.runsource(line) | |
| 1039 | |
| 1040 def open_stack_viewer(self, event=None): | |
| 23547 | 1041 if self.interp.rpcclt: |
| 1042 return self.interp.remote_stack_viewer() | |
| 13975 | 1043 try: |
| 1044 sys.last_traceback | |
| 1045 except: | |
| 1046 tkMessageBox.showerror("No stack trace", | |
| 1047 "There is no stack trace yet.\n" | |
| 1048 "(sys.last_traceback is not defined)", | |
| 1049 master=self.text) | |
| 1050 return | |
| 1051 from StackViewer import StackBrowser | |
| 1052 sv = StackBrowser(self.root, self.flist) | |
| 1053 | |
| 27074 | 1054 def view_restart_mark(self, event=None): |
| 1055 self.text.see("iomark") | |
| 1056 self.text.see("restart") | |
| 1057 | |
| 1058 def restart_shell(self, event=None): | |
| 29254 | 1059 self.interp.restart_subprocess() |
| 27074 | 1060 |
| 13975 | 1061 def showprompt(self): |
| 1062 self.resetoutput() | |
| 1063 try: | |
| 1064 s = str(sys.ps1) | |
| 1065 except: | |
| 1066 s = "" | |
| 1067 self.console.write(s) | |
| 1068 self.text.mark_set("insert", "end-1c") | |
| 23547 | 1069 self.set_line_and_column() |
|
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|
1070 self.io.reset_undo() |
| 13975 | 1071 |
| 1072 def resetoutput(self): | |
| 1073 source = self.text.get("iomark", "end-1c") | |
| 1074 if self.history: | |
| 1075 self.history.history_store(source) | |
| 1076 if self.text.get("end-2c") != "\n": | |
| 1077 self.text.insert("end-1c", "\n") | |
| 1078 self.text.mark_set("iomark", "end-1c") | |
| 23547 | 1079 self.set_line_and_column() |
| 13975 | 1080 sys.stdout.softspace = 0 |
| 1081 | |
| 1082 def write(self, s, tags=()): | |
| 27920 | 1083 try: |
| 1084 self.text.mark_gravity("iomark", "right") | |
| 1085 OutputWindow.write(self, s, tags, "iomark") | |
| 1086 self.text.mark_gravity("iomark", "left") | |
| 1087 except: | |
| 1088 pass | |
| 13975 | 1089 if self.canceled: |
| 1090 self.canceled = 0 | |
|
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|
1091 if not use_subprocess: |
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changeset
|
1092 raise KeyboardInterrupt |
| 13975 | 1093 |
| 1094 class PseudoFile: | |
| 1095 | |
| 1096 def __init__(self, shell, tags): | |
| 1097 self.shell = shell | |
| 1098 self.tags = tags | |
| 23547 | 1099 self.softspace = 0 |
| 13975 | 1100 |
| 1101 def write(self, s): | |
| 1102 self.shell.write(s, self.tags) | |
| 1103 | |
| 1104 def writelines(self, l): | |
| 1105 map(self.write, l) | |
| 1106 | |
| 1107 def flush(self): | |
| 1108 pass | |
| 1109 | |
| 1110 def isatty(self): | |
| 25310 | 1111 return True |
| 13975 | 1112 |
|
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|
1113 |
| 13975 | 1114 usage_msg = """\ |
|
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|
1115 |
|
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|
1116 USAGE: idle [-deins] [-t title] [file]* |
|
c7dfda993b2f
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|
1117 idle [-dns] [-t title] (-c cmd | -r file) [arg]* |
|
c7dfda993b2f
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|
1118 idle [-dns] [-t title] - [arg]* |
| 26959 | 1119 |
|
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1120 -h print this help message and exit |
|
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|
1121 -n run IDLE without a subprocess (see Help/IDLE Help for details) |
|
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1122 |
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|
1123 The following options will override the IDLE 'settings' configuration: |
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1124 |
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1125 -e open an edit window |
|
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|
1126 -i open a shell window |
|
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1127 |
|
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1128 The following options imply -i and will open a shell: |
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1129 |
|
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|
1130 -c cmd run the command in a shell, or |
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1131 -r file run script from file |
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1132 |
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1133 -d enable the debugger |
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1134 -s run $IDLESTARTUP or $PYTHONSTARTUP before anything else |
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|
1135 -t title set title of shell window |
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|
1136 |
|
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|
1137 A default edit window will be bypassed when -c, -r, or - are used. |
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1138 |
|
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|
1139 [arg]* are passed to the command (-c) or script (-r) in sys.argv[1:]. |
| 13975 | 1140 |
|
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|
1141 Examples: |
|
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|
1142 |
|
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|
1143 idle |
|
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|
1144 Open an edit window or shell depending on IDLE's configuration. |
|
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|
1145 |
|
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Rework the command line interface, incorporating the shell/edit
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|
1146 idle foo.py foobar.py |
|
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Rework the command line interface, incorporating the shell/edit
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|
1147 Edit the files, also open a shell if configured to start with shell. |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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|
1148 |
|
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Rework the command line interface, incorporating the shell/edit
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|
1149 idle -est "Baz" foo.py |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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|
1150 Run $IDLESTARTUP or $PYTHONSTARTUP, edit foo.py, and open a shell |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1151 window with the title "Baz". |
| 13975 | 1152 |
|
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|
1153 idle -c "import sys; print sys.argv" "foo" |
|
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Rework the command line interface, incorporating the shell/edit
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|
1154 Open a shell window and run the command, passing "-c" in sys.argv[0] |
|
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Rework the command line interface, incorporating the shell/edit
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|
1155 and "foo" in sys.argv[1]. |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1156 |
|
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Rework the command line interface, incorporating the shell/edit
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|
1157 idle -d -s -r foo.py "Hello World" |
|
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Rework the command line interface, incorporating the shell/edit
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|
1158 Open a shell window, run a startup script, enable the debugger, and |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1159 run foo.py, passing "foo.py" in sys.argv[0] and "Hello World" in |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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|
1160 sys.argv[1]. |
|
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Rework the command line interface, incorporating the shell/edit
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|
1161 |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
Kurt B. Kaiser <kbk@shore.net>
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|
1162 echo "import sys; print sys.argv" | idle - "foobar" |
|
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Rework the command line interface, incorporating the shell/edit
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diff
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|
1163 Open a shell window, run the script piped in, passing '' in sys.argv[0] |
|
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Rework the command line interface, incorporating the shell/edit
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|
1164 and "foobar" in sys.argv[1]. |
| 13975 | 1165 """ |
| 1166 | |
|
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|
1167 def main(): |
|
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Kurt B. Kaiser <kbk@shore.net>
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|
1168 global flist, root, use_subprocess |
|
615a25a6eb5b
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Kurt B. Kaiser <kbk@shore.net>
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diff
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|
1169 |
|
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29f19460f067
1. Add a command line switch to run without the subprocess
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29120
diff
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|
1170 use_subprocess = True |
|
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|
1171 enable_shell = False |
|
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Rework the command line interface, incorporating the shell/edit
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|
1172 enable_edit = False |
|
615a25a6eb5b
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|
1173 debug = False |
|
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|
1174 cmd = None |
|
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|
1175 script = None |
|
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|
1176 startup = False |
|
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diff
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|
1177 try: |
| 26827 | 1178 sys.ps1 |
| 1179 except AttributeError: | |
| 1180 sys.ps1 = '>>> ' | |
| 1181 try: | |
|
29121
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1. Add a command line switch to run without the subprocess
Kurt B. Kaiser <kbk@shore.net>
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|
1182 opts, args = getopt.getopt(sys.argv[1:], "c:deihnr:st:") |
|
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|
1183 except getopt.error, msg: |
|
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Rework the code to have only the GvR RPC. Output from execution of user
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|
1184 sys.stderr.write("Error: %s\n" % str(msg)) |
|
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|
1185 sys.stderr.write(usage_msg) |
|
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|
1186 sys.exit(2) |
|
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Rework the code to have only the GvR RPC. Output from execution of user
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|
1187 for o, a in opts: |
|
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|
1188 if o == '-c': |
|
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|
1189 cmd = a |
|
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|
1190 enable_shell = True |
|
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|
1191 if o == '-d': |
|
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|
1192 debug = True |
|
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Rework the command line interface, incorporating the shell/edit
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|
1193 enable_shell = True |
|
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|
1194 if o == '-e': |
|
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|
1195 enable_edit = True |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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|
1196 if o == '-h': |
|
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Rework the command line interface, incorporating the shell/edit
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|
1197 sys.stdout.write(usage_msg) |
|
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Rework the command line interface, incorporating the shell/edit
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|
1198 sys.exit() |
|
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Rework the command line interface, incorporating the shell/edit
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|
1199 if o == '-i': |
|
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|
1200 enable_shell = True |
|
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Kurt B. Kaiser <kbk@shore.net>
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|
1201 if o == '-n': |
|
29f19460f067
1. Add a command line switch to run without the subprocess
Kurt B. Kaiser <kbk@shore.net>
parents:
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diff
changeset
|
1202 use_subprocess = False |
|
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Kurt B. Kaiser <kbk@shore.net>
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|
1203 if o == '-r': |
|
24b0f6d693e3
Rework the code to have only the GvR RPC. Output from execution of user
Kurt B. Kaiser <kbk@shore.net>
parents:
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diff
changeset
|
1204 script = a |
|
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diff
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|
1205 if os.path.isfile(script): |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1206 pass |
|
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Rework the command line interface, incorporating the shell/edit
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diff
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|
1207 else: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1208 print "No script file: ", script |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
Kurt B. Kaiser <kbk@shore.net>
parents:
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diff
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|
1209 sys.exit() |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1210 enable_shell = True |
|
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Rework the code to have only the GvR RPC. Output from execution of user
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diff
changeset
|
1211 if o == '-s': |
|
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Rework the command line interface, incorporating the shell/edit
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1212 startup = True |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1213 enable_shell = True |
|
23784
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Rework the code to have only the GvR RPC. Output from execution of user
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diff
changeset
|
1214 if o == '-t': |
|
24b0f6d693e3
Rework the code to have only the GvR RPC. Output from execution of user
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diff
changeset
|
1215 PyShell.shell_title = a |
|
26590
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Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1216 enable_shell = True |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1217 if args and args[0] == '-': |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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parents:
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diff
changeset
|
1218 cmd = sys.stdin.read() |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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26557
diff
changeset
|
1219 enable_shell = True |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1220 # process sys.argv and sys.path: |
|
23784
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parents:
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diff
changeset
|
1221 for i in range(len(sys.path)): |
|
24b0f6d693e3
Rework the code to have only the GvR RPC. Output from execution of user
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parents:
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diff
changeset
|
1222 sys.path[i] = os.path.abspath(sys.path[i]) |
|
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Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1223 if args and args[0] == '-': |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1224 sys.argv = [''] + args[1:] |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1225 elif cmd: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1226 sys.argv = ['-c'] + args |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1227 elif script: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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changeset
|
1228 sys.argv = [script] + args |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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changeset
|
1229 elif args: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1230 enable_edit = True |
|
615a25a6eb5b
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diff
changeset
|
1231 pathx = [] |
|
23784
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changeset
|
1232 for filename in args: |
|
24b0f6d693e3
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diff
changeset
|
1233 pathx.append(os.path.dirname(filename)) |
|
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|
1234 for dir in pathx: |
|
615a25a6eb5b
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diff
changeset
|
1235 dir = os.path.abspath(dir) |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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changeset
|
1236 if not dir in sys.path: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
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|
1237 sys.path.insert(0, dir) |
|
26741
cadfce66d861
When IDLE is installed and run from a startup script, the script's
Kurt B. Kaiser <kbk@shore.net>
parents:
26740
diff
changeset
|
1238 else: |
|
cadfce66d861
When IDLE is installed and run from a startup script, the script's
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1239 dir = os.getcwd() |
|
cadfce66d861
When IDLE is installed and run from a startup script, the script's
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1240 if not dir in sys.path: |
|
cadfce66d861
When IDLE is installed and run from a startup script, the script's
Kurt B. Kaiser <kbk@shore.net>
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diff
changeset
|
1241 sys.path.insert(0, dir) |
|
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changeset
|
1242 # check the IDLE settings configuration (but command line overrides) |
|
615a25a6eb5b
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changeset
|
1243 edit_start = idleConf.GetOption('main', 'General', |
| 26959 | 1244 'editor-on-startup', type='bool') |
|
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|
1245 enable_edit = enable_edit or edit_start |
| 26959 | 1246 enable_shell = enable_shell or not edit_start |
|
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|
1247 # start editor and/or shell windows: |
|
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|
1248 root = Tk(className="Idle") |
|
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changeset
|
1249 fixwordbreaks(root) |
|
24b0f6d693e3
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changeset
|
1250 root.withdraw() |
|
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changeset
|
1251 flist = PyShellFileList(root) |
|
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changeset
|
1252 if enable_edit: |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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changeset
|
1253 if not (cmd or script): |
|
615a25a6eb5b
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diff
changeset
|
1254 for filename in args: |
|
615a25a6eb5b
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diff
changeset
|
1255 flist.open(filename) |
|
615a25a6eb5b
Rework the command line interface, incorporating the shell/edit
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diff
changeset
|
1256 if not args: |
|
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1257 flist.new() |
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1258 if enable_shell: |
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|
1259 flist.open_shell() |
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1260 elif enable_shell: |
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1261 flist.pyshell = PyShell(flist) |
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|
1262 flist.pyshell.begin() |
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parents:
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|
1263 shell = flist.pyshell |
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1264 # handle remaining options: |
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1265 if debug: |
|
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1266 shell.open_debugger() |
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1267 if startup: |
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diff
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1268 filename = os.environ.get("IDLESTARTUP") or \ |
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|
1269 os.environ.get("PYTHONSTARTUP") |
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1270 if filename and os.path.isfile(filename): |
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1271 shell.interp.execfile(filename) |
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1272 if cmd or script: |
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parents:
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1273 shell.interp.runcommand("""if 1: |
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1274 import sys as _sys |
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1275 _sys.argv = %s |
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1276 del _sys |
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1277 \n""" % `sys.argv`) |
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1278 if cmd: |
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1279 shell.interp.execsource(cmd) |
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1280 elif script: |
|
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1281 shell.interp.prepend_syspath(script) |
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1282 shell.interp.execfile(script) |
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1283 root.mainloop() |
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1284 root.destroy() |
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1285 |
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1286 |
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1287 def display_port_binding_error(): |
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1288 print """\ |
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1289 \nIDLE cannot run. |
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1290 |
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1291 IDLE needs to use a specific TCP/IP port (8833) in order to communicate with |
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1292 its Python execution server. IDLE is unable to bind to this port, and so |
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1293 cannot start. Here are some possible causes of this problem: |
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1294 |
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1295 1. TCP/IP networking is not installed or not working on this computer |
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1296 2. Another program (another IDLE?) is running that uses this port |
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1297 3. Personal firewall software is preventing IDLE from using this port |
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1298 |
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1299 Run IDLE with the -n command line switch to start without a subprocess |
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1300 and refer to Help/IDLE Help "Running without a subprocess" for further |
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1301 details. |
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1302 """ |
| 13975 | 1303 |
| 1304 if __name__ == "__main__": | |
| 1305 main() |