"""Shell is an interactive text control in which a user types in commands to be sent to the interpreter. This particular shell is based on wxPython's wxStyledTextCtrl. Sponsored by Orbtech - Your source for Python programming expertise.""" __author__ = "Patrick K. O'Brien " __cvsid__ = "$Id$" __revision__ = "$Revision$"[11:-2] import wx from wx import stc import keyword import os import sys import time from buffer import Buffer import dispatcher import editwindow import frame from pseudo import PseudoFileIn from pseudo import PseudoFileOut from pseudo import PseudoFileErr from version import VERSION sys.ps3 = '<-- ' # Input prompt. NAVKEYS = (wx.WXK_END, wx.WXK_LEFT, wx.WXK_RIGHT, wx.WXK_UP, wx.WXK_DOWN, wx.WXK_PRIOR, wx.WXK_NEXT) class ShellFrame(frame.Frame, frame.ShellFrameMixin): """Frame containing the shell component.""" name = 'Shell Frame' revision = __revision__ def __init__(self, parent=None, id=-1, title='PyShell', pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, locals=None, InterpClass=None, config=None, dataDir=None, *args, **kwds): """Create ShellFrame instance.""" frame.Frame.__init__(self, parent, id, title, pos, size, style) frame.ShellFrameMixin.__init__(self, config, dataDir) if size == wx.DefaultSize: self.SetSize((750, 525)) intro = 'PyShell %s - The Flakiest Python Shell' % VERSION self.SetStatusText(intro.replace('\n', ', ')) self.shell = Shell(parent=self, id=-1, introText=intro, locals=locals, InterpClass=InterpClass, startupScript=self.startupScript, execStartupScript=self.execStartupScript, *args, **kwds) # Override the shell so that status messages go to the status bar. self.shell.setStatusText = self.SetStatusText self.shell.SetFocus() self.LoadSettings() def OnClose(self, event): """Event handler for closing.""" # This isn't working the way I want, but I'll leave it for now. if self.shell.waiting: if event.CanVeto(): event.Veto(True) else: self.SaveSettings() self.shell.destroy() self.Destroy() def OnAbout(self, event): """Display an About window.""" title = 'About PyShell' text = 'PyShell %s\n\n' % VERSION + \ 'Yet another Python shell, only flakier.\n\n' + \ 'Half-baked by Patrick K. O\'Brien,\n' + \ 'the other half is still in the oven.\n\n' + \ 'Shell Revision: %s\n' % self.shell.revision + \ 'Interpreter Revision: %s\n\n' % self.shell.interp.revision + \ 'Platform: %s\n' % sys.platform + \ 'Python Version: %s\n' % sys.version.split()[0] + \ 'wxPython Version: %s\n' % wx.VERSION_STRING + \ ('\t(%s)\n' % ", ".join(wx.PlatformInfo[1:])) dialog = wx.MessageDialog(self, text, title, wx.OK | wx.ICON_INFORMATION) dialog.ShowModal() dialog.Destroy() def OnHelp(self, event): """Show a help dialog.""" frame.ShellFrameMixin.OnHelp(self, event) def LoadSettings(self): if self.config is not None: frame.ShellFrameMixin.LoadSettings(self) frame.Frame.LoadSettings(self, self.config) self.shell.LoadSettings(self.config) def SaveSettings(self, force=False): if self.config is not None: frame.ShellFrameMixin.SaveSettings(self) if self.autoSaveSettings or force: frame.Frame.SaveSettings(self, self.config) self.shell.SaveSettings(self.config) def DoSaveSettings(self): if self.config is not None: self.SaveSettings(force=True) self.config.Flush() HELP_TEXT = """\ * Key bindings: Home Go to the beginning of the command or line. Shift+Home Select to the beginning of the command or line. Shift+End Select to the end of the line. End Go to the end of the line. Ctrl+C Copy selected text, removing prompts. Ctrl+Shift+C Copy selected text, retaining prompts. Alt+C Copy to the clipboard, including prefixed prompts. Ctrl+X Cut selected text. Ctrl+V Paste from clipboard. Ctrl+Shift+V Paste and run multiple commands from clipboard. Ctrl+Up Arrow Retrieve Previous History item. Alt+P Retrieve Previous History item. Ctrl+Down Arrow Retrieve Next History item. Alt+N Retrieve Next History item. Shift+Up Arrow Insert Previous History item. Shift+Down Arrow Insert Next History item. F8 Command-completion of History item. (Type a few characters of a previous command and press F8.) Ctrl+Enter Insert new line into multiline command. Ctrl+] Increase font size. Ctrl+[ Decrease font size. Ctrl+= Default font size. Ctrl-Space Show Auto Completion. Ctrl-Alt-Space Show Call Tip. Shift+Enter Complete Text from History. Ctrl+F Search F3 Search next Ctrl+H "hide" lines containing selection / "unhide" F12 on/off "free-edit" mode """ class ShellFacade: """Simplified interface to all shell-related functionality. This is a semi-transparent facade, in that all attributes of other are accessible, even though only some are visible to the user.""" name = 'Shell Interface' revision = __revision__ def __init__(self, other): """Create a ShellFacade instance.""" d = self.__dict__ d['other'] = other d['helpText'] = HELP_TEXT d['this'] = other.this def help(self): """Display some useful information about how to use the shell.""" self.write(self.helpText) def __getattr__(self, name): if hasattr(self.other, name): return getattr(self.other, name) else: raise AttributeError, name def __setattr__(self, name, value): if self.__dict__.has_key(name): self.__dict__[name] = value elif hasattr(self.other, name): setattr(self.other, name, value) else: raise AttributeError, name def _getAttributeNames(self): """Return list of magic attributes to extend introspection.""" list = [ 'about', 'ask', 'autoCallTip', 'autoComplete', 'autoCompleteAutoHide', 'autoCompleteCaseInsensitive', 'autoCompleteIncludeDouble', 'autoCompleteIncludeMagic', 'autoCompleteIncludeSingle', 'callTipInsert', 'clear', 'pause', 'prompt', 'quit', 'redirectStderr', 'redirectStdin', 'redirectStdout', 'run', 'runfile', 'wrap', 'zoom', ] list.sort() return list class Shell(editwindow.EditWindow): """Shell based on StyledTextCtrl.""" name = 'Shell' revision = __revision__ def __init__(self, parent, id=-1, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.CLIP_CHILDREN, introText='', locals=None, InterpClass=None, startupScript=None, execStartupScript=True, *args, **kwds): """Create Shell instance.""" editwindow.EditWindow.__init__(self, parent, id, pos, size, style) self.wrap() if locals is None: import __main__ locals = __main__.__dict__ # Grab these so they can be restored by self.redirect* methods. self.stdin = sys.stdin self.stdout = sys.stdout self.stderr = sys.stderr # Import a default interpreter class if one isn't provided. if InterpClass == None: from interpreter import Interpreter else: Interpreter = InterpClass # Create a replacement for stdin. self.reader = PseudoFileIn(self.readline, self.readlines) self.reader.input = '' self.reader.isreading = False # Set up the interpreter. self.interp = Interpreter(locals=locals, rawin=self.raw_input, stdin=self.reader, stdout=PseudoFileOut(self.writeOut), stderr=PseudoFileErr(self.writeErr), *args, **kwds) # Set up the buffer. self.buffer = Buffer() # Find out for which keycodes the interpreter will autocomplete. self.autoCompleteKeys = self.interp.getAutoCompleteKeys() # Keep track of the last non-continuation prompt positions. self.promptPosStart = 0 self.promptPosEnd = 0 # Keep track of multi-line commands. self.more = False # Create the command history. Commands are added into the # front of the list (ie. at index 0) as they are entered. # self.historyIndex is the current position in the history; it # gets incremented as you retrieve the previous command, # decremented as you retrieve the next, and reset when you hit # Enter. self.historyIndex == -1 means you're on the current # command, not in the history. self.history = [] self.historyIndex = -1 #seb add mode for "free edit" self.noteMode = 0 self.MarkerDefine(0,stc.STC_MARK_ROUNDRECT) # marker for hidden self.searchTxt = "" # Assign handlers for keyboard events. self.Bind(wx.EVT_CHAR, self.OnChar) self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown) # Assign handler for idle time. self.waiting = False self.Bind(wx.EVT_IDLE, self.OnIdle) # Display the introductory banner information. self.showIntro(introText) # Assign some pseudo keywords to the interpreter's namespace. self.setBuiltinKeywords() # Add 'shell' to the interpreter's local namespace. self.setLocalShell() ## NOTE: See note at bottom of this file... ## #seb: File drag and drop ## self.SetDropTarget( FileDropTarget(self) ) # Do this last so the user has complete control over their # environment. They can override anything they want. if execStartupScript: if startupScript is None: startupScript = os.environ.get('PYTHONSTARTUP') self.execStartupScript(startupScript) else: self.prompt() wx.CallAfter(self.ScrollToLine, 0) def clearHistory(self): self.history = [] self.historyIndex = -1 dispatcher.send(signal="Shell.clearHistory") def destroy(self): del self.interp def setFocus(self): """Set focus to the shell.""" self.SetFocus() def OnIdle(self, event): """Free the CPU to do other things.""" if self.waiting: time.sleep(0.05) event.Skip() def showIntro(self, text=''): """Display introductory text in the shell.""" if text: if not text.endswith(os.linesep): text += os.linesep self.write(text) try: self.write(self.interp.introText) except AttributeError: pass def setBuiltinKeywords(self): """Create pseudo keywords as part of builtins. This sets `close`, `exit` and `quit` to a helpful string. """ import __builtin__ __builtin__.close = __builtin__.exit = __builtin__.quit = \ 'Click on the close button to leave the application.' def quit(self): """Quit the application.""" # XXX Good enough for now but later we want to send a close event. # In the close event handler we can make sure they want to # quit. Other applications, like PythonCard, may choose to # hide rather than quit so we should just post the event and # let the surrounding app decide what it wants to do. self.write('Click on the close button to leave the application.') def setLocalShell(self): """Add 'shell' to locals as reference to ShellFacade instance.""" self.interp.locals['shell'] = ShellFacade(other=self) def execStartupScript(self, startupScript): """Execute the user's PYTHONSTARTUP script if they have one.""" if startupScript and os.path.isfile(startupScript): text = 'Startup script executed: ' + startupScript self.push('print %r; execfile(%r)' % (text, startupScript)) self.interp.startupScript = startupScript else: self.push('') def about(self): """Display information about Py.""" text = """ Author: %r Py Version: %s Py Shell Revision: %s Py Interpreter Revision: %s Python Version: %s wxPython Version: %s wxPython PlatformInfo: %s Platform: %s""" % \ (__author__, VERSION, self.revision, self.interp.revision, sys.version.split()[0], wx.VERSION_STRING, str(wx.PlatformInfo), sys.platform) self.write(text.strip()) def OnChar(self, event): """Keypress event handler. Only receives an event if OnKeyDown calls event.Skip() for the corresponding event.""" if self.noteMode: event.Skip() return # Prevent modification of previously submitted # commands/responses. if not self.CanEdit(): return key = event.KeyCode() currpos = self.GetCurrentPos() stoppos = self.promptPosEnd # Return (Enter) needs to be ignored in this handler. if key in [wx.WXK_RETURN, wx.WXK_NUMPAD_ENTER]: pass elif key in self.autoCompleteKeys: # Usually the dot (period) key activates auto completion. # Get the command between the prompt and the cursor. Add # the autocomplete character to the end of the command. if self.AutoCompActive(): self.AutoCompCancel() command = self.GetTextRange(stoppos, currpos) + chr(key) self.write(chr(key)) if self.autoComplete: self.autoCompleteShow(command) elif key == ord('('): # The left paren activates a call tip and cancels an # active auto completion. if self.AutoCompActive(): self.AutoCompCancel() # Get the command between the prompt and the cursor. Add # the '(' to the end of the command. self.ReplaceSelection('') command = self.GetTextRange(stoppos, currpos) + '(' self.write('(') self.autoCallTipShow(command, self.GetCurrentPos() == self.GetTextLength()) else: # Allow the normal event handling to take place. event.Skip() def OnKeyDown(self, event): """Key down event handler.""" key = event.KeyCode() # If the auto-complete window is up let it do its thing. if self.AutoCompActive(): event.Skip() return # Prevent modification of previously submitted # commands/responses. controlDown = event.ControlDown() altDown = event.AltDown() shiftDown = event.ShiftDown() currpos = self.GetCurrentPos() endpos = self.GetTextLength() selecting = self.GetSelectionStart() != self.GetSelectionEnd() if controlDown and shiftDown and key in (ord('F'), ord('f')): li = self.GetCurrentLine() m = self.MarkerGet(li) if m & 1<<0: startP = self.PositionFromLine(li) self.MarkerDelete(li, 0) maxli = self.GetLineCount() li += 1 # li stayed visible as header-line li0 = li while li home: self.SetCurrentPos(home) if not selecting and not shiftDown: self.SetAnchor(home) self.EnsureCaretVisible() else: event.Skip() # # The following handlers modify text, so we need to see if # there is a selection that includes text prior to the prompt. # # Don't modify a selection with text prior to the prompt. elif selecting and key not in NAVKEYS and not self.CanEdit(): pass # Paste from the clipboard. elif (controlDown and not shiftDown and key in (ord('V'), ord('v'))) \ or (shiftDown and not controlDown and key == wx.WXK_INSERT): self.Paste() # manually invoke AutoComplete and Calltips elif controlDown and key == wx.WXK_SPACE: self.OnCallTipAutoCompleteManually(shiftDown) # Paste from the clipboard, run commands. elif controlDown and shiftDown and key in (ord('V'), ord('v')): self.PasteAndRun() # Replace with the previous command from the history buffer. elif (controlDown and key == wx.WXK_UP) \ or (altDown and key in (ord('P'), ord('p'))): self.OnHistoryReplace(step=+1) # Replace with the next command from the history buffer. elif (controlDown and key == wx.WXK_DOWN) \ or (altDown and key in (ord('N'), ord('n'))): self.OnHistoryReplace(step=-1) # Insert the previous command from the history buffer. elif (shiftDown and key == wx.WXK_UP) and self.CanEdit(): self.OnHistoryInsert(step=+1) # Insert the next command from the history buffer. elif (shiftDown and key == wx.WXK_DOWN) and self.CanEdit(): self.OnHistoryInsert(step=-1) # Search up the history for the text in front of the cursor. elif key == wx.WXK_F8: self.OnHistorySearch() # Don't backspace over the latest non-continuation prompt. elif key == wx.WXK_BACK: if selecting and self.CanEdit(): event.Skip() elif currpos > self.promptPosEnd: event.Skip() # Only allow these keys after the latest prompt. elif key in (wx.WXK_TAB, wx.WXK_DELETE): if self.CanEdit(): event.Skip() # Don't toggle between insert mode and overwrite mode. elif key == wx.WXK_INSERT: pass # Don't allow line deletion. elif controlDown and key in (ord('L'), ord('l')): pass # Don't allow line transposition. elif controlDown and key in (ord('T'), ord('t')): pass # Basic navigation keys should work anywhere. elif key in NAVKEYS: event.Skip() # Protect the readonly portion of the shell. elif not self.CanEdit(): pass else: event.Skip() def OnShowCompHistory(self): """Show possible autocompletion Words from already typed words.""" #copy from history his = self.history[:] #put together in one string joined = " ".join (his) import re #sort out only "good" words newlist = re.split("[ \.\[\]=}(\)\,0-9\"]", joined) #length > 1 (mix out "trash") thlist = [] for i in newlist: if len (i) > 1: thlist.append (i) #unique (no duplicate words #oneliner from german python forum => unique list unlist = [thlist[i] for i in xrange(len(thlist)) if thlist[i] not in thlist[:i]] #sort lowercase unlist.sort(lambda a, b: cmp(a.lower(), b.lower())) #this is more convenient, isn't it? self.AutoCompSetIgnoreCase(True) #join again together in a string stringlist = " ".join(unlist) #pos von 0 noch ausrechnen #how big is the offset? cpos = self.GetCurrentPos() - 1 while chr (self.GetCharAt (cpos)).isalnum(): cpos -= 1 #the most important part self.AutoCompShow(self.GetCurrentPos() - cpos -1, stringlist) def clearCommand(self): """Delete the current, unexecuted command.""" startpos = self.promptPosEnd endpos = self.GetTextLength() self.SetSelection(startpos, endpos) self.ReplaceSelection('') self.more = False def OnHistoryReplace(self, step): """Replace with the previous/next command from the history buffer.""" self.clearCommand() self.replaceFromHistory(step) def replaceFromHistory(self, step): """Replace selection with command from the history buffer.""" ps2 = str(sys.ps2) self.ReplaceSelection('') newindex = self.historyIndex + step if -1 <= newindex <= len(self.history): self.historyIndex = newindex if 0 <= newindex <= len(self.history)-1: command = self.history[self.historyIndex] command = command.replace('\n', os.linesep + ps2) self.ReplaceSelection(command) def OnHistoryInsert(self, step): """Insert the previous/next command from the history buffer.""" if not self.CanEdit(): return startpos = self.GetCurrentPos() self.replaceFromHistory(step) endpos = self.GetCurrentPos() self.SetSelection(endpos, startpos) def OnHistorySearch(self): """Search up the history buffer for the text in front of the cursor.""" if not self.CanEdit(): return startpos = self.GetCurrentPos() # The text up to the cursor is what we search for. numCharsAfterCursor = self.GetTextLength() - startpos searchText = self.getCommand(rstrip=False) if numCharsAfterCursor > 0: searchText = searchText[:-numCharsAfterCursor] if not searchText: return # Search upwards from the current history position and loop # back to the beginning if we don't find anything. if (self.historyIndex <= -1) \ or (self.historyIndex >= len(self.history)-2): searchOrder = range(len(self.history)) else: searchOrder = range(self.historyIndex+1, len(self.history)) + \ range(self.historyIndex) for i in searchOrder: command = self.history[i] if command[:len(searchText)] == searchText: # Replace the current selection with the one we found. self.ReplaceSelection(command[len(searchText):]) endpos = self.GetCurrentPos() self.SetSelection(endpos, startpos) # We've now warped into middle of the history. self.historyIndex = i break def setStatusText(self, text): """Display status information.""" # This method will likely be replaced by the enclosing app to # do something more interesting, like write to a status bar. print text def insertLineBreak(self): """Insert a new line break.""" if self.CanEdit(): self.write(os.linesep) self.more = True self.prompt() def processLine(self): """Process the line of text at which the user hit Enter.""" # The user hit ENTER and we need to decide what to do. They # could be sitting on any line in the shell. thepos = self.GetCurrentPos() startpos = self.promptPosEnd endpos = self.GetTextLength() ps2 = str(sys.ps2) # If they hit RETURN inside the current command, execute the # command. if self.CanEdit(): self.SetCurrentPos(endpos) self.interp.more = False command = self.GetTextRange(startpos, endpos) lines = command.split(os.linesep + ps2) lines = [line.rstrip() for line in lines] command = '\n'.join(lines) if self.reader.isreading: if not command: # Match the behavior of the standard Python shell # when the user hits return without entering a # value. command = '\n' self.reader.input = command self.write(os.linesep) else: self.push(command) wx.FutureCall(1, self.EnsureCaretVisible) # Or replace the current command with the other command. else: # If the line contains a command (even an invalid one). if self.getCommand(rstrip=False): command = self.getMultilineCommand() self.clearCommand() self.write(command) # Otherwise, put the cursor back where we started. else: self.SetCurrentPos(thepos) self.SetAnchor(thepos) def getMultilineCommand(self, rstrip=True): """Extract a multi-line command from the editor. The command may not necessarily be valid Python syntax.""" # XXX Need to extract real prompts here. Need to keep track of # the prompt every time a command is issued. ps1 = str(sys.ps1) ps1size = len(ps1) ps2 = str(sys.ps2) ps2size = len(ps2) # This is a total hack job, but it works. text = self.GetCurLine()[0] line = self.GetCurrentLine() while text[:ps2size] == ps2 and line > 0: line -= 1 self.GotoLine(line) text = self.GetCurLine()[0] if text[:ps1size] == ps1: line = self.GetCurrentLine() self.GotoLine(line) startpos = self.GetCurrentPos() + ps1size line += 1 self.GotoLine(line) while self.GetCurLine()[0][:ps2size] == ps2: line += 1 self.GotoLine(line) stoppos = self.GetCurrentPos() command = self.GetTextRange(startpos, stoppos) command = command.replace(os.linesep + ps2, '\n') command = command.rstrip() command = command.replace('\n', os.linesep + ps2) else: command = '' if rstrip: command = command.rstrip() return command def getCommand(self, text=None, rstrip=True): """Extract a command from text which may include a shell prompt. The command may not necessarily be valid Python syntax.""" if not text: text = self.GetCurLine()[0] # Strip the prompt off the front leaving just the command. command = self.lstripPrompt(text) if command == text: command = '' # Real commands have prompts. if rstrip: command = command.rstrip() return command def lstripPrompt(self, text): """Return text without a leading prompt.""" ps1 = str(sys.ps1) ps1size = len(ps1) ps2 = str(sys.ps2) ps2size = len(ps2) # Strip the prompt off the front of text. if text[:ps1size] == ps1: text = text[ps1size:] elif text[:ps2size] == ps2: text = text[ps2size:] return text def push(self, command, silent = False): """Send command to the interpreter for execution.""" if not silent: self.write(os.linesep) busy = wx.BusyCursor() self.waiting = True self.more = self.interp.push(command) self.waiting = False del busy if not self.more: self.addHistory(command.rstrip()) if not silent: self.prompt() def addHistory(self, command): """Add command to the command history.""" # Reset the history position. self.historyIndex = -1 # Insert this command into the history, unless it's a blank # line or the same as the last command. if command != '' \ and (len(self.history) == 0 or command != self.history[0]): self.history.insert(0, command) dispatcher.send(signal="Shell.addHistory", command=command) def write(self, text): """Display text in the shell. Replace line endings with OS-specific endings.""" text = self.fixLineEndings(text) self.AddText(text) self.EnsureCaretVisible() def fixLineEndings(self, text): """Return text with line endings replaced by OS-specific endings.""" lines = text.split('\r\n') for l in range(len(lines)): chunks = lines[l].split('\r') for c in range(len(chunks)): chunks[c] = os.linesep.join(chunks[c].split('\n')) lines[l] = os.linesep.join(chunks) text = os.linesep.join(lines) return text def prompt(self): """Display proper prompt for the context: ps1, ps2 or ps3. If this is a continuation line, autoindent as necessary.""" isreading = self.reader.isreading skip = False if isreading: prompt = str(sys.ps3) elif self.more: prompt = str(sys.ps2) else: prompt = str(sys.ps1) pos = self.GetCurLine()[1] if pos > 0: if isreading: skip = True else: self.write(os.linesep) if not self.more: self.promptPosStart = self.GetCurrentPos() if not skip: self.write(prompt) if not self.more: self.promptPosEnd = self.GetCurrentPos() # Keep the undo feature from undoing previous responses. self.EmptyUndoBuffer() # XXX Add some autoindent magic here if more. if self.more: self.write(' '*4) # Temporary hack indentation. self.EnsureCaretVisible() self.ScrollToColumn(0) def readline(self): """Replacement for stdin.readline().""" input = '' reader = self.reader reader.isreading = True self.prompt() try: while not reader.input: wx.YieldIfNeeded() input = reader.input finally: reader.input = '' reader.isreading = False input = str(input) # In case of Unicode. return input def readlines(self): """Replacement for stdin.readlines().""" lines = [] while lines[-1:] != ['\n']: lines.append(self.readline()) return lines def raw_input(self, prompt=''): """Return string based on user input.""" if prompt: self.write(prompt) return self.readline() def ask(self, prompt='Please enter your response:'): """Get response from the user using a dialog box.""" dialog = wx.TextEntryDialog(None, prompt, 'Input Dialog (Raw)', '') try: if dialog.ShowModal() == wx.ID_OK: text = dialog.GetValue() return text finally: dialog.Destroy() return '' def pause(self): """Halt execution pending a response from the user.""" self.ask('Press enter to continue:') def clear(self): """Delete all text from the shell.""" self.ClearAll() def run(self, command, prompt=True, verbose=True): """Execute command as if it was typed in directly. >>> shell.run('print "this"') >>> print "this" this >>> """ # Go to the very bottom of the text. endpos = self.GetTextLength() self.SetCurrentPos(endpos) command = command.rstrip() if prompt: self.prompt() if verbose: self.write(command) self.push(command) def runfile(self, filename): """Execute all commands in file as if they were typed into the shell.""" file = open(filename) try: self.prompt() for command in file.readlines(): if command[:6] == 'shell.': # Run shell methods silently. self.run(command, prompt=False, verbose=False) else: self.run(command, prompt=False, verbose=True) finally: file.close() def autoCompleteShow(self, command, offset = 0): """Display auto-completion popup list.""" self.AutoCompSetAutoHide(self.autoCompleteAutoHide) self.AutoCompSetIgnoreCase(self.autoCompleteCaseInsensitive) list = self.interp.getAutoCompleteList(command, includeMagic=self.autoCompleteIncludeMagic, includeSingle=self.autoCompleteIncludeSingle, includeDouble=self.autoCompleteIncludeDouble) if list: options = ' '.join(list) #offset = 0 self.AutoCompShow(offset, options) def autoCallTipShow(self, command, insertcalltip = True, forceCallTip = False): """Display argument spec and docstring in a popup window.""" if self.CallTipActive(): self.CallTipCancel() (name, argspec, tip) = self.interp.getCallTip(command) if tip: dispatcher.send(signal='Shell.calltip', sender=self, calltip=tip) if not self.autoCallTip and not forceCallTip: return if argspec and insertcalltip and self.callTipInsert: startpos = self.GetCurrentPos() self.write(argspec + ')') endpos = self.GetCurrentPos() self.SetSelection(endpos, startpos) if tip: curpos = self.GetCurrentPos() tippos = curpos - (len(name) + 1) fallback = curpos - self.GetColumn(curpos) # In case there isn't enough room, only go back to the # fallback. tippos = max(tippos, fallback) self.CallTipShow(tippos, tip) def OnCallTipAutoCompleteManually (self, shiftDown): """AutoComplete and Calltips manually.""" if self.AutoCompActive(): self.AutoCompCancel() currpos = self.GetCurrentPos() stoppos = self.promptPosEnd cpos = currpos #go back until '.' is found pointavailpos = -1 while cpos >= stoppos: if self.GetCharAt(cpos) == ord ('.'): pointavailpos = cpos break cpos -= 1 #word from non whitespace until '.' if pointavailpos != -1: #look backward for first whitespace char textbehind = self.GetTextRange (pointavailpos + 1, currpos) pointavailpos += 1 if not shiftDown: #call AutoComplete stoppos = self.promptPosEnd textbefore = self.GetTextRange(stoppos, pointavailpos) self.autoCompleteShow(textbefore, len (textbehind)) else: #call CallTips cpos = pointavailpos begpos = -1 while cpos > stoppos: if chr(self.GetCharAt(cpos)).isspace(): begpos = cpos break cpos -= 1 if begpos == -1: begpos = cpos ctips = self.GetTextRange (begpos, currpos) ctindex = ctips.find ('(') if ctindex != -1 and not self.CallTipActive(): #insert calltip, if current pos is '(', otherwise show it only self.autoCallTipShow(ctips[:ctindex + 1], self.GetCharAt(currpos - 1) == ord('(') and self.GetCurrentPos() == self.GetTextLength(), True) def writeOut(self, text): """Replacement for stdout.""" self.write(text) def writeErr(self, text): """Replacement for stderr.""" self.write(text) def redirectStdin(self, redirect=True): """If redirect is true then sys.stdin will come from the shell.""" if redirect: sys.stdin = self.reader else: sys.stdin = self.stdin def redirectStdout(self, redirect=True): """If redirect is true then sys.stdout will go to the shell.""" if redirect: sys.stdout = PseudoFileOut(self.writeOut) else: sys.stdout = self.stdout def redirectStderr(self, redirect=True): """If redirect is true then sys.stderr will go to the shell.""" if redirect: sys.stderr = PseudoFileErr(self.writeErr) else: sys.stderr = self.stderr def CanCut(self): """Return true if text is selected and can be cut.""" if self.GetSelectionStart() != self.GetSelectionEnd() \ and self.GetSelectionStart() >= self.promptPosEnd \ and self.GetSelectionEnd() >= self.promptPosEnd: return True else: return False def CanPaste(self): """Return true if a paste should succeed.""" if self.CanEdit() and editwindow.EditWindow.CanPaste(self): return True else: return False def CanEdit(self): """Return true if editing should succeed.""" if self.GetSelectionStart() != self.GetSelectionEnd(): if self.GetSelectionStart() >= self.promptPosEnd \ and self.GetSelectionEnd() >= self.promptPosEnd: return True else: return False else: return self.GetCurrentPos() >= self.promptPosEnd def Cut(self): """Remove selection and place it on the clipboard.""" if self.CanCut() and self.CanCopy(): if self.AutoCompActive(): self.AutoCompCancel() if self.CallTipActive(): self.CallTipCancel() self.Copy() self.ReplaceSelection('') def Copy(self): """Copy selection and place it on the clipboard.""" if self.CanCopy(): ps1 = str(sys.ps1) ps2 = str(sys.ps2) command = self.GetSelectedText() command = command.replace(os.linesep + ps2, os.linesep) command = command.replace(os.linesep + ps1, os.linesep) command = self.lstripPrompt(text=command) data = wx.TextDataObject(command) self._clip(data) def CopyWithPrompts(self): """Copy selection, including prompts, and place it on the clipboard.""" if self.CanCopy(): command = self.GetSelectedText() data = wx.TextDataObject(command) self._clip(data) def CopyWithPromptsPrefixed(self): """Copy selection, including prompts prefixed with four spaces, and place it on the clipboard.""" if self.CanCopy(): command = self.GetSelectedText() spaces = ' ' * 4 command = spaces + command.replace(os.linesep, os.linesep + spaces) data = wx.TextDataObject(command) self._clip(data) def _clip(self, data): if wx.TheClipboard.Open(): wx.TheClipboard.UsePrimarySelection(False) wx.TheClipboard.SetData(data) wx.TheClipboard.Flush() wx.TheClipboard.Close() def Paste(self): """Replace selection with clipboard contents.""" if self.CanPaste() and wx.TheClipboard.Open(): ps2 = str(sys.ps2) if wx.TheClipboard.IsSupported(wx.DataFormat(wx.DF_TEXT)): data = wx.TextDataObject() if wx.TheClipboard.GetData(data): self.ReplaceSelection('') command = data.GetText() command = command.rstrip() command = self.fixLineEndings(command) command = self.lstripPrompt(text=command) command = command.replace(os.linesep + ps2, '\n') command = command.replace(os.linesep, '\n') command = command.replace('\n', os.linesep + ps2) self.write(command) wx.TheClipboard.Close() def PasteAndRun(self): """Replace selection with clipboard contents, run commands.""" text = '' if wx.TheClipboard.Open(): if wx.TheClipboard.IsSupported(wx.DataFormat(wx.DF_TEXT)): data = wx.TextDataObject() if wx.TheClipboard.GetData(data): text = data.GetText() wx.TheClipboard.Close() if text: self.Execute(text) def Execute(self, text): """Replace selection with text and run commands.""" ps1 = str(sys.ps1) ps2 = str(sys.ps2) endpos = self.GetTextLength() self.SetCurrentPos(endpos) startpos = self.promptPosEnd self.SetSelection(startpos, endpos) self.ReplaceSelection('') text = text.lstrip() text = self.fixLineEndings(text) text = self.lstripPrompt(text) text = text.replace(os.linesep + ps1, '\n') text = text.replace(os.linesep + ps2, '\n') text = text.replace(os.linesep, '\n') lines = text.split('\n') commands = [] command = '' for line in lines: if line.strip() == ps2.strip(): # If we are pasting from something like a # web page that drops the trailing space # from the ps2 prompt of a blank line. line = '' lstrip = line.lstrip() if line.strip() != '' and lstrip == line and \ lstrip[:4] not in ['else','elif'] and \ lstrip[:6] != 'except': # New command. if command: # Add the previous command to the list. commands.append(command) # Start a new command, which may be multiline. command = line else: # Multiline command. Add to the command. command += '\n' command += line commands.append(command) for command in commands: command = command.replace('\n', os.linesep + ps2) self.write(command) self.processLine() def wrap(self, wrap=True): """Sets whether text is word wrapped.""" try: self.SetWrapMode(wrap) except AttributeError: return 'Wrapping is not available in this version.' def zoom(self, points=0): """Set the zoom level. This number of points is added to the size of all fonts. It may be positive to magnify or negative to reduce.""" self.SetZoom(points) def LoadSettings(self, config): self.autoComplete = config.ReadBool('Options/AutoComplete', True) self.autoCompleteIncludeMagic = config.ReadBool('Options/AutoCompleteIncludeMagic', True) self.autoCompleteIncludeSingle = config.ReadBool('Options/AutoCompleteIncludeSingle', True) self.autoCompleteIncludeDouble = config.ReadBool('Options/AutoCompleteIncludeDouble', True) self.autoCallTip = config.ReadBool('Options/AutoCallTip', True) self.callTipInsert = config.ReadBool('Options/CallTipInsert', True) self.SetWrapMode(config.ReadBool('View/WrapMode', True)) useAA = config.ReadBool('Options/UseAntiAliasing', self.GetUseAntiAliasing()) self.SetUseAntiAliasing(useAA) self.lineNumbers = config.ReadBool('View/ShowLineNumbers', True) self.setDisplayLineNumbers (self.lineNumbers) zoom = config.ReadInt('View/Zoom/Shell', -99) if zoom != -99: self.SetZoom(zoom) def SaveSettings(self, config): config.WriteBool('Options/AutoComplete', self.autoComplete) config.WriteBool('Options/AutoCompleteIncludeMagic', self.autoCompleteIncludeMagic) config.WriteBool('Options/AutoCompleteIncludeSingle', self.autoCompleteIncludeSingle) config.WriteBool('Options/AutoCompleteIncludeDouble', self.autoCompleteIncludeDouble) config.WriteBool('Options/AutoCallTip', self.autoCallTip) config.WriteBool('Options/CallTipInsert', self.callTipInsert) config.WriteBool('Options/UseAntiAliasing', self.GetUseAntiAliasing()) config.WriteBool('View/WrapMode', self.GetWrapMode()) config.WriteBool('View/ShowLineNumbers', self.lineNumbers) config.WriteInt('View/Zoom/Shell', self.GetZoom()) ## NOTE: The DnD of file names is disabled until I can figure out how ## best to still allow DnD of text. ## #seb : File drag and drop ## class FileDropTarget(wx.FileDropTarget): ## def __init__(self, obj): ## wx.FileDropTarget.__init__(self) ## self.obj = obj ## def OnDropFiles(self, x, y, filenames): ## if len(filenames) == 1: ## txt = 'r\"%s\"' % filenames[0] ## else: ## txt = '( ' ## for f in filenames: ## txt += 'r\"%s\" , ' % f ## txt += ')' ## self.obj.AppendText(txt) ## pos = self.obj.GetCurrentPos() ## self.obj.SetCurrentPos( pos ) ## self.obj.SetSelection( pos, pos ) ## class TextAndFileDropTarget(wx.DropTarget): ## def __init__(self, shell): ## wx.DropTarget.__init__(self) ## self.shell = shell ## self.compdo = wx.DataObjectComposite() ## self.textdo = wx.TextDataObject() ## self.filedo = wx.FileDataObject() ## self.compdo.Add(self.textdo) ## self.compdo.Add(self.filedo, True) ## self.SetDataObject(self.compdo) ## def OnDrop(self, x, y): ## return True ## def OnData(self, x, y, result): ## self.GetData() ## if self.textdo.GetTextLength() > 1: ## text = self.textdo.GetText() ## # *** Do somethign with the dragged text here... ## self.textdo.SetText('') ## else: ## filenames = str(self.filename.GetFilenames()) ## if len(filenames) == 1: ## txt = 'r\"%s\"' % filenames[0] ## else: ## txt = '( ' ## for f in filenames: ## txt += 'r\"%s\" , ' % f ## txt += ')' ## self.shell.AppendText(txt) ## pos = self.shell.GetCurrentPos() ## self.shell.SetCurrentPos( pos ) ## self.shell.SetSelection( pos, pos ) ## return result