31fa82942c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15058 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1109 lines
43 KiB
Python
1109 lines
43 KiB
Python
"""The PyCrust Shell is an interactive text control in which a user types in
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commands to be sent to the interpreter. This particular shell is based on
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wxPython's wxStyledTextCtrl. The latest files are always available at the
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SourceForge project page at http://sourceforge.net/projects/pycrust/.
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Sponsored by Orbtech - Your Source For Python Development Services"""
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__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
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__cvsid__ = "$Id$"
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__revision__ = "$Revision$"[11:-2]
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from wxPython.wx import *
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from wxPython.stc import *
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import keyword
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import os
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import sys
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from pseudo import PseudoFileIn
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from pseudo import PseudoFileOut
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from pseudo import PseudoFileErr
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from version import VERSION
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if wxPlatform == '__WXMSW__':
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faces = { 'times' : 'Times New Roman',
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'mono' : 'Courier New',
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'helv' : 'Lucida Console',
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'lucida' : 'Lucida Console',
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'other' : 'Comic Sans MS',
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'size' : 10,
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'lnsize' : 9,
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'backcol': '#FFFFFF',
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}
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# Versions of wxPython prior to 2.3.2 had a sizing bug on Win platform.
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# The font was 2 points too large. So we need to reduce the font size.
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if (wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER) < (2, 3, 2):
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faces['size'] -= 2
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faces['lnsize'] -= 2
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else: # GTK
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faces = { 'times' : 'Times',
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'mono' : 'Courier',
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'helv' : 'Helvetica',
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'other' : 'new century schoolbook',
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'size' : 12,
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'lnsize' : 10,
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'backcol': '#FFFFFF',
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}
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class ShellFacade:
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"""Simplified interface to all shell-related functionality.
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This is a semi-transparent facade, in that all attributes of other are
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still accessible, even though only some are visible to the user."""
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name = 'PyCrust Shell Interface'
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revision = __revision__
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def __init__(self, other):
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"""Create a ShellFacade instance."""
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methods = ['ask',
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'clear',
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'pause',
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'prompt',
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'quit',
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'redirectStderr',
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'redirectStdin',
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'redirectStdout',
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'run',
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'runfile',
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]
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for method in methods:
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self.__dict__[method] = getattr(other, method)
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d = self.__dict__
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d['other'] = other
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d['helpText'] = \
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"""
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* Key bindings:
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Home Go to the beginning of the command or line.
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Shift+Home Select to the beginning of the command or line.
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Shift+End Select to the end of the line.
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End Go to the end of the line.
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Ctrl+C Copy selected text, removing prompts.
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Ctrl+Shift+C Copy selected text, retaining prompts.
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Ctrl+X Cut selected text.
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Ctrl+V Paste from clipboard.
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Ctrl+Shift+V Paste and run multiple commands from clipboard.
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Ctrl+Up Arrow Retrieve Previous History item.
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Alt+P Retrieve Previous History item.
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Ctrl+Down Arrow Retrieve Next History item.
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Alt+N Retrieve Next History item.
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Shift+Up Arrow Insert Previous History item.
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Shift+Down Arrow Insert Next History item.
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F8 Command-completion of History item.
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(Type a few characters of a previous command and then press F8.)
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"""
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def help(self):
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"""Display some useful information about how to use the shell."""
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self.write(self.helpText)
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def __getattr__(self, name):
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if hasattr(self.other, name):
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return getattr(self.other, name)
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else:
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raise AttributeError, name
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def __setattr__(self, name, value):
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if self.__dict__.has_key(name):
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self.__dict__[name] = value
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elif hasattr(self.other, name):
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return setattr(self.other, name, value)
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else:
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raise AttributeError, name
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def _getAttributeNames(self):
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"""Return list of magic attributes to extend introspection."""
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list = ['autoCallTip',
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'autoComplete',
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'autoCompleteCaseInsensitive',
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'autoCompleteIncludeDouble',
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'autoCompleteIncludeMagic',
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'autoCompleteIncludeSingle',
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]
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list.sort()
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return list
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class Shell(wxStyledTextCtrl):
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"""PyCrust Shell based on wxStyledTextCtrl."""
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name = 'PyCrust Shell'
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revision = __revision__
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def __init__(self, parent, id=-1, pos=wxDefaultPosition, \
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size=wxDefaultSize, style=wxCLIP_CHILDREN, introText='', \
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locals=None, InterpClass=None, *args, **kwds):
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"""Create a PyCrust Shell instance."""
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wxStyledTextCtrl.__init__(self, parent, id, pos, size, style)
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# Grab these so they can be restored by self.redirect* methods.
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self.stdin = sys.stdin
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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# Add the current working directory "." to the search path.
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sys.path.insert(0, os.curdir)
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# Import a default interpreter class if one isn't provided.
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if InterpClass == None:
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from interpreter import Interpreter
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else:
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Interpreter = InterpClass
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# Create default locals so we have something interesting.
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shellLocals = {'__name__': 'PyCrust-Shell',
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'__doc__': 'PyCrust-Shell, The PyCrust Python Shell.',
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'__version__': VERSION,
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}
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# Add the dictionary that was passed in.
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if locals:
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shellLocals.update(locals)
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self.interp = Interpreter(locals=shellLocals, \
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rawin=self.readRaw, \
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stdin=PseudoFileIn(self.readIn), \
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stdout=PseudoFileOut(self.writeOut), \
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stderr=PseudoFileErr(self.writeErr), \
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*args, **kwds)
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# Keep track of the last non-continuation prompt positions.
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self.promptPosStart = 0
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self.promptPosEnd = 0
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# Keep track of multi-line commands.
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self.more = 0
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# Create the command history. Commands are added into the front of
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# the list (ie. at index 0) as they are entered. self.historyIndex
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# is the current position in the history; it gets incremented as you
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# retrieve the previous command, decremented as you retrieve the
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# next, and reset when you hit Enter. self.historyIndex == -1 means
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# you're on the current command, not in the history.
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self.history = []
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self.historyIndex = -1
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# Assign handlers for keyboard events.
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EVT_KEY_DOWN(self, self.OnKeyDown)
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EVT_CHAR(self, self.OnChar)
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# Configure various defaults and user preferences.
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self.config()
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# Display the introductory banner information.
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try: self.showIntro(introText)
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except: pass
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# Assign some pseudo keywords to the interpreter's namespace.
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try: self.setBuiltinKeywords()
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except: pass
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# Add 'shell' to the interpreter's local namespace.
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try: self.setLocalShell()
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except: pass
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# Do this last so the user has complete control over their
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# environment. They can override anything they want.
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try: self.execStartupScript(self.interp.startupScript)
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except: pass
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def destroy(self):
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del self.interp
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def config(self):
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"""Configure shell based on user preferences."""
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self.SetMarginType(1, wxSTC_MARGIN_NUMBER)
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self.SetMarginWidth(1, 40)
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self.SetLexer(wxSTC_LEX_PYTHON)
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self.SetKeyWords(0, ' '.join(keyword.kwlist))
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self.setStyles(faces)
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self.SetViewWhiteSpace(0)
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self.SetTabWidth(4)
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self.SetUseTabs(0)
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# Do we want to automatically pop up command completion options?
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self.autoComplete = 1
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self.autoCompleteIncludeMagic = 1
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self.autoCompleteIncludeSingle = 1
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self.autoCompleteIncludeDouble = 1
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self.autoCompleteCaseInsensitive = 1
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self.AutoCompSetIgnoreCase(self.autoCompleteCaseInsensitive)
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# Do we want to automatically pop up command argument help?
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self.autoCallTip = 1
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self.CallTipSetBackground(wxColour(255, 255, 232))
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def showIntro(self, text=''):
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"""Display introductory text in the shell."""
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if text:
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if not text.endswith(os.linesep): text += os.linesep
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self.write(text)
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try:
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self.write(self.interp.introText)
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except AttributeError:
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pass
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def setBuiltinKeywords(self):
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"""Create pseudo keywords as part of builtins.
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This simply sets "close", "exit" and "quit" to a helpful string.
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"""
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import __builtin__
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__builtin__.close = __builtin__.exit = __builtin__.quit = \
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'Click on the close button to leave the application.'
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def quit(self):
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"""Quit the application."""
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# XXX Good enough for now but later we want to send a close event.
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# In the close event handler we can make sure they want to quit.
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# Other applications, like PythonCard, may choose to hide rather than
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# quit so we should just post the event and let the surrounding app
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# decide what it wants to do.
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self.write('Click on the close button to leave the application.')
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def setLocalShell(self):
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"""Add 'shell' to locals as reference to ShellFacade instance."""
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self.interp.locals['shell'] = ShellFacade(other=self)
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def execStartupScript(self, startupScript):
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"""Execute the user's PYTHONSTARTUP script if they have one."""
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if startupScript and os.path.isfile(startupScript):
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startupText = 'Startup script executed: ' + startupScript
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self.push('print %s;execfile(%s)' % \
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(`startupText`, `startupScript`))
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else:
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self.push('')
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def setStyles(self, faces):
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"""Configure font size, typeface and color for lexer."""
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# Default style
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self.StyleSetSpec(wxSTC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d,back:%(backcol)s" % faces)
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self.StyleClearAll()
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# Built in styles
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self.StyleSetSpec(wxSTC_STYLE_LINENUMBER, "back:#C0C0C0,face:%(mono)s,size:%(lnsize)d" % faces)
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self.StyleSetSpec(wxSTC_STYLE_CONTROLCHAR, "face:%(mono)s" % faces)
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self.StyleSetSpec(wxSTC_STYLE_BRACELIGHT, "fore:#0000FF,back:#FFFF88")
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self.StyleSetSpec(wxSTC_STYLE_BRACEBAD, "fore:#FF0000,back:#FFFF88")
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# Python styles
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self.StyleSetSpec(wxSTC_P_DEFAULT, "face:%(mono)s" % faces)
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self.StyleSetSpec(wxSTC_P_COMMENTLINE, "fore:#007F00,face:%(mono)s" % faces)
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self.StyleSetSpec(wxSTC_P_NUMBER, "")
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self.StyleSetSpec(wxSTC_P_STRING, "fore:#7F007F,face:%(mono)s" % faces)
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self.StyleSetSpec(wxSTC_P_CHARACTER, "fore:#7F007F,face:%(mono)s" % faces)
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self.StyleSetSpec(wxSTC_P_WORD, "fore:#00007F,bold")
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self.StyleSetSpec(wxSTC_P_TRIPLE, "fore:#7F0000")
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self.StyleSetSpec(wxSTC_P_TRIPLEDOUBLE, "fore:#000033,back:#FFFFE8")
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self.StyleSetSpec(wxSTC_P_CLASSNAME, "fore:#0000FF,bold")
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self.StyleSetSpec(wxSTC_P_DEFNAME, "fore:#007F7F,bold")
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self.StyleSetSpec(wxSTC_P_OPERATOR, "")
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self.StyleSetSpec(wxSTC_P_IDENTIFIER, "")
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self.StyleSetSpec(wxSTC_P_COMMENTBLOCK, "fore:#7F7F7F")
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self.StyleSetSpec(wxSTC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eolfilled" % faces)
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def OnChar(self, event):
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"""Keypress event handler.
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Prevents modification of previously submitted commands/responses."""
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if not self.CanEdit():
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return
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key = event.KeyCode()
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currpos = self.GetCurrentPos()
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stoppos = self.promptPosEnd
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if key == ord('.'):
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# The dot or period key activates auto completion.
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# Get the command between the prompt and the cursor.
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# Add a dot to the end of the command.
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command = self.GetTextRange(stoppos, currpos) + '.'
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self.write('.')
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if self.autoComplete: self.autoCompleteShow(command)
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elif key == ord('('):
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# The left paren activates a call tip and cancels
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# an active auto completion.
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if self.AutoCompActive(): self.AutoCompCancel()
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# Get the command between the prompt and the cursor.
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# Add the '(' to the end of the command.
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self.ReplaceSelection('')
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command = self.GetTextRange(stoppos, currpos) + '('
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self.write('(')
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if self.autoCallTip: self.autoCallTipShow(command)
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else:
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# Allow the normal event handling to take place.
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event.Skip()
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def OnKeyDown(self, event):
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"""Key down event handler.
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Prevents modification of previously submitted commands/responses."""
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key = event.KeyCode()
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controlDown = event.ControlDown()
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altDown = event.AltDown()
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shiftDown = event.ShiftDown()
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currpos = self.GetCurrentPos()
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endpos = self.GetTextLength()
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# Return (Enter) is used to submit a command to the interpreter.
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if not controlDown and key == WXK_RETURN:
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if self.AutoCompActive(): self.AutoCompCancel()
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if self.CallTipActive(): self.CallTipCancel()
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self.processLine()
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# Ctrl+Return (Cntrl+Enter) is used to insert a line break.
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elif controlDown and key == WXK_RETURN:
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if self.AutoCompActive(): self.AutoCompCancel()
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if self.CallTipActive(): self.CallTipCancel()
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if currpos == endpos:
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self.processLine()
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else:
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self.insertLineBreak()
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# If the auto-complete window is up let it do its thing.
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elif self.AutoCompActive():
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event.Skip()
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# Let Ctrl-Alt-* get handled normally.
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elif controlDown and altDown:
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event.Skip()
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# Clear the current, unexecuted command.
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elif key == WXK_ESCAPE:
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if self.CallTipActive():
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event.Skip()
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else:
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self.clearCommand()
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# Cut to the clipboard.
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elif (controlDown and key in (ord('X'), ord('x'))) \
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or (shiftDown and key == WXK_DELETE):
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self.Cut()
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# Copy to the clipboard.
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elif controlDown and not shiftDown \
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and key in (ord('C'), ord('c'), WXK_INSERT):
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self.Copy()
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# Copy to the clipboard, including prompts.
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elif controlDown and shiftDown \
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and key in (ord('C'), ord('c'), WXK_INSERT):
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self.CopyWithPrompts()
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# Paste from the clipboard.
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elif (controlDown and not shiftDown \
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and key in (ord('V'), ord('v'))) \
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or (shiftDown and not controlDown and key == WXK_INSERT):
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self.Paste()
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# Paste from the clipboard, run commands.
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elif controlDown and shiftDown \
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and key in (ord('V'), ord('v')):
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self.PasteAndRun()
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# Replace with the previous command from the history buffer.
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elif (controlDown and key == WXK_UP) \
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or (altDown and key in (ord('P'), ord('p'))):
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self.OnHistoryReplace(step=+1)
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# Replace with the next command from the history buffer.
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elif (controlDown and key == WXK_DOWN) \
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or (altDown and key in (ord('N'), ord('n'))):
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self.OnHistoryReplace(step=-1)
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# Insert the previous command from the history buffer.
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elif (shiftDown and key == WXK_UP):
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self.OnHistoryInsert(step=+1)
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# Insert the next command from the history buffer.
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elif (shiftDown and key == WXK_DOWN):
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self.OnHistoryInsert(step=-1)
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# Search up the history for the text in front of the cursor.
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elif key == WXK_F8:
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self.OnHistorySearch()
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# Home needs to be aware of the prompt.
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elif key == WXK_HOME:
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home = self.promptPosEnd
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if currpos >= home:
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if event.ShiftDown():
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# Select text from current position to end of prompt.
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self.SetSelection(self.GetCurrentPos(), home)
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else:
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self.SetCurrentPos(home)
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self.SetAnchor(home)
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self.EnsureCaretVisible()
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else:
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event.Skip()
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# Basic navigation keys should work anywhere.
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elif key in (WXK_END, WXK_LEFT, WXK_RIGHT, WXK_UP, WXK_DOWN, \
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WXK_PRIOR, WXK_NEXT):
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event.Skip()
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# Don't backspace over the latest non-continuation prompt.
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elif key == WXK_BACK:
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if currpos > self.promptPosEnd:
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event.Skip()
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# Only allow these keys after the latest prompt.
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elif key in (WXK_TAB, WXK_DELETE):
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if self.CanEdit():
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event.Skip()
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# Don't toggle between insert mode and overwrite mode.
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elif key == WXK_INSERT:
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pass
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# Don't allow line deletion.
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elif controlDown and key in (ord('L'), ord('l')):
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pass
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# Don't allow line transposition.
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elif controlDown and key in (ord('T'), ord('t')):
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pass
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# Protect the readonly portion of the shell.
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elif not self.CanEdit():
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pass
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else:
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event.Skip()
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def clearCommand(self):
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"""Delete the current, unexecuted command."""
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startpos = self.promptPosEnd
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endpos = self.GetTextLength()
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self.SetSelection(startpos, endpos)
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self.ReplaceSelection('')
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self.more = 0
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def OnHistoryReplace(self, step):
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"""Replace with the previous/next command from the history buffer."""
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self.clearCommand()
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self.replaceFromHistory(step)
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def replaceFromHistory(self, step):
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"""Replace selection with command from the history buffer."""
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self.ReplaceSelection('')
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newindex = self.historyIndex + step
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if -1 <= newindex <= len(self.history):
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self.historyIndex = newindex
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if 0 <= newindex <= len(self.history)-1:
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command = self.history[self.historyIndex]
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command = command.replace('\n', os.linesep + sys.ps2)
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self.ReplaceSelection(command)
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def OnHistoryInsert(self, step):
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"""Insert the previous/next command from the history buffer."""
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if not self.CanEdit():
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return
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startpos = self.GetCurrentPos()
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self.replaceFromHistory(step)
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endpos = self.GetCurrentPos()
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self.SetSelection(endpos, startpos)
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def OnHistorySearch(self):
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"""Search up the history buffer for the text in front of the cursor."""
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if not self.CanEdit():
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return
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startpos = self.GetCurrentPos()
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# The text up to the cursor is what we search for.
|
|
numCharsAfterCursor = self.GetTextLength() - startpos
|
|
searchText = self.getCommand(rstrip=0)
|
|
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've 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 most 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 = 1
|
|
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()
|
|
# If they hit RETURN inside the current command, execute the command.
|
|
if self.CanEdit():
|
|
self.SetCurrentPos(endpos)
|
|
self.interp.more = 0
|
|
command = self.GetTextRange(startpos, endpos)
|
|
lines = command.split(os.linesep + sys.ps2)
|
|
lines = [line.rstrip() for line in lines]
|
|
command = '\n'.join(lines)
|
|
self.push(command)
|
|
# Or replace the current command with the other command.
|
|
else:
|
|
# If the line contains a command (even an invalid one).
|
|
if self.getCommand(rstrip=0):
|
|
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=1):
|
|
"""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 + sys.ps2, '\n')
|
|
command = command.rstrip()
|
|
command = command.replace('\n', os.linesep + sys.ps2)
|
|
else:
|
|
command = ''
|
|
if rstrip:
|
|
command = command.rstrip()
|
|
return command
|
|
|
|
def getCommand(self, text=None, rstrip=1):
|
|
"""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 of text 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):
|
|
"""Send command to the interpreter for execution."""
|
|
self.write(os.linesep)
|
|
self.more = self.interp.push(command)
|
|
if not self.more:
|
|
self.addHistory(command.rstrip())
|
|
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)
|
|
|
|
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 appropriate prompt for the context, either ps1 or ps2.
|
|
|
|
If this is a continuation line, autoindent as necessary."""
|
|
if self.more:
|
|
prompt = str(sys.ps2)
|
|
else:
|
|
prompt = str(sys.ps1)
|
|
pos = self.GetCurLine()[1]
|
|
if pos > 0: self.write(os.linesep)
|
|
if not self.more:
|
|
self.promptPosStart = self.GetCurrentPos()
|
|
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 readIn(self):
|
|
"""Replacement for stdin."""
|
|
prompt = 'Please enter your response:'
|
|
dialog = wxTextEntryDialog(None, prompt, \
|
|
'Input Dialog (Standard)', '')
|
|
try:
|
|
if dialog.ShowModal() == wxID_OK:
|
|
text = dialog.GetValue()
|
|
self.write(text + os.linesep)
|
|
return text
|
|
finally:
|
|
dialog.Destroy()
|
|
return ''
|
|
|
|
def readRaw(self, prompt='Please enter your response:'):
|
|
"""Replacement for raw_input."""
|
|
dialog = wxTextEntryDialog(None, prompt, \
|
|
'Input Dialog (Raw)', '')
|
|
try:
|
|
if dialog.ShowModal() == wxID_OK:
|
|
text = dialog.GetValue()
|
|
return text
|
|
finally:
|
|
dialog.Destroy()
|
|
return ''
|
|
|
|
def ask(self, prompt='Please enter your response:'):
|
|
"""Get response from the user."""
|
|
return raw_input(prompt=prompt)
|
|
|
|
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=1, verbose=1):
|
|
"""Execute command within the shell 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=0, verbose=0)
|
|
else:
|
|
self.run(command, prompt=0, verbose=1)
|
|
finally:
|
|
file.close()
|
|
|
|
def autoCompleteShow(self, command):
|
|
"""Display auto-completion popup list."""
|
|
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):
|
|
"""Display argument spec and docstring in a popup bubble thingie."""
|
|
if self.CallTipActive: self.CallTipCancel()
|
|
(name, argspec, tip) = self.interp.getCallTip(command)
|
|
if argspec:
|
|
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 writeOut(self, text):
|
|
"""Replacement for stdout."""
|
|
self.write(text)
|
|
|
|
def writeErr(self, text):
|
|
"""Replacement for stderr."""
|
|
self.write(text)
|
|
|
|
def redirectStdin(self, redirect=1):
|
|
"""If redirect is true then sys.stdin will come from the shell."""
|
|
if redirect:
|
|
sys.stdin = PseudoFileIn(self.readIn)
|
|
else:
|
|
sys.stdin = self.stdin
|
|
|
|
def redirectStdout(self, redirect=1):
|
|
"""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=1):
|
|
"""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 1
|
|
else:
|
|
return 0
|
|
|
|
def CanCopy(self):
|
|
"""Return true if text is selected and can be copied."""
|
|
return self.GetSelectionStart() != self.GetSelectionEnd()
|
|
|
|
def CanPaste(self):
|
|
"""Return true if a paste should succeed."""
|
|
if self.CanEdit() and wxStyledTextCtrl.CanPaste(self):
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
def CanEdit(self):
|
|
"""Return true if editing should succeed."""
|
|
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():
|
|
command = self.GetSelectedText()
|
|
command = command.replace(os.linesep + sys.ps2, os.linesep)
|
|
command = command.replace(os.linesep + sys.ps1, os.linesep)
|
|
command = self.lstripPrompt(text=command)
|
|
data = wxTextDataObject(command)
|
|
if wxTheClipboard.Open():
|
|
wxTheClipboard.SetData(data)
|
|
wxTheClipboard.Close()
|
|
|
|
def CopyWithPrompts(self):
|
|
"""Copy selection, including prompts, and place it on the clipboard."""
|
|
if self.CanCopy():
|
|
command = self.GetSelectedText()
|
|
data = wxTextDataObject(command)
|
|
if wxTheClipboard.Open():
|
|
wxTheClipboard.SetData(data)
|
|
wxTheClipboard.Close()
|
|
|
|
def Paste(self):
|
|
"""Replace selection with clipboard contents."""
|
|
if self.CanPaste() and wxTheClipboard.Open():
|
|
if wxTheClipboard.IsSupported(wxDataFormat(wxDF_TEXT)):
|
|
data = wxTextDataObject()
|
|
if wxTheClipboard.GetData(data):
|
|
self.ReplaceSelection('')
|
|
command = data.GetText()
|
|
command = command.rstrip()
|
|
command = self.fixLineEndings(command)
|
|
command = self.lstripPrompt(text=command)
|
|
command = command.replace(os.linesep + sys.ps2, '\n')
|
|
command = command.replace(os.linesep, '\n')
|
|
command = command.replace('\n', os.linesep + sys.ps2)
|
|
self.write(command)
|
|
wxTheClipboard.Close()
|
|
|
|
def PasteAndRun(self):
|
|
"""Replace selection with clipboard contents, run commands."""
|
|
if wxTheClipboard.Open():
|
|
if wxTheClipboard.IsSupported(wxDataFormat(wxDF_TEXT)):
|
|
data = wxTextDataObject()
|
|
if wxTheClipboard.GetData(data):
|
|
endpos = self.GetTextLength()
|
|
self.SetCurrentPos(endpos)
|
|
startpos = self.promptPosEnd
|
|
self.SetSelection(startpos, endpos)
|
|
self.ReplaceSelection('')
|
|
text = data.GetText()
|
|
text = text.strip()
|
|
text = self.fixLineEndings(text)
|
|
text = self.lstripPrompt(text=text)
|
|
text = text.replace(os.linesep + sys.ps1, '\n')
|
|
text = text.replace(os.linesep + sys.ps2, '\n')
|
|
text = text.replace(os.linesep, '\n')
|
|
lines = text.split('\n')
|
|
commands = []
|
|
command = ''
|
|
for line in lines:
|
|
if line.strip() != '' and line.lstrip() == line:
|
|
# 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 + sys.ps2)
|
|
self.write(command)
|
|
self.processLine()
|
|
wxTheClipboard.Close()
|
|
|
|
|
|
wxID_SELECTALL = NewId() # This *should* be defined by wxPython.
|
|
ID_AUTOCOMP = NewId()
|
|
ID_AUTOCOMP_SHOW = NewId()
|
|
ID_AUTOCOMP_INCLUDE_MAGIC = NewId()
|
|
ID_AUTOCOMP_INCLUDE_SINGLE = NewId()
|
|
ID_AUTOCOMP_INCLUDE_DOUBLE = NewId()
|
|
ID_CALLTIPS = NewId()
|
|
ID_CALLTIPS_SHOW = NewId()
|
|
|
|
|
|
class ShellMenu:
|
|
"""Mixin class to add standard menu items."""
|
|
|
|
def createMenus(self):
|
|
m = self.fileMenu = wxMenu()
|
|
m.AppendSeparator()
|
|
m.Append(wxID_EXIT, 'E&xit', 'Exit PyCrust')
|
|
|
|
m = self.editMenu = wxMenu()
|
|
m.Append(wxID_UNDO, '&Undo \tCtrl+Z', 'Undo the last action')
|
|
m.Append(wxID_REDO, '&Redo \tCtrl+Y', 'Redo the last undone action')
|
|
m.AppendSeparator()
|
|
m.Append(wxID_CUT, 'Cu&t \tCtrl+X', 'Cut the selection')
|
|
m.Append(wxID_COPY, '&Copy \tCtrl+C', 'Copy the selection')
|
|
m.Append(wxID_PASTE, '&Paste \tCtrl+V', 'Paste')
|
|
m.AppendSeparator()
|
|
m.Append(wxID_CLEAR, 'Cle&ar', 'Delete the selection')
|
|
m.Append(wxID_SELECTALL, 'Select A&ll', 'Select all text')
|
|
|
|
m = self.autocompMenu = wxMenu()
|
|
m.Append(ID_AUTOCOMP_SHOW, 'Show Auto Completion', \
|
|
'Show auto completion during dot syntax', 1)
|
|
m.Append(ID_AUTOCOMP_INCLUDE_MAGIC, 'Include Magic Attributes', \
|
|
'Include attributes visible to __getattr__ and __setattr__', 1)
|
|
m.Append(ID_AUTOCOMP_INCLUDE_SINGLE, 'Include Single Underscores', \
|
|
'Include attibutes prefixed by a single underscore', 1)
|
|
m.Append(ID_AUTOCOMP_INCLUDE_DOUBLE, 'Include Double Underscores', \
|
|
'Include attibutes prefixed by a double underscore', 1)
|
|
|
|
m = self.calltipsMenu = wxMenu()
|
|
m.Append(ID_CALLTIPS_SHOW, 'Show Call Tips', \
|
|
'Show call tips with argument specifications', 1)
|
|
|
|
m = self.optionsMenu = wxMenu()
|
|
m.AppendMenu(ID_AUTOCOMP, '&Auto Completion', self.autocompMenu, \
|
|
'Auto Completion Options')
|
|
m.AppendMenu(ID_CALLTIPS, '&Call Tips', self.calltipsMenu, \
|
|
'Call Tip Options')
|
|
|
|
m = self.helpMenu = wxMenu()
|
|
m.AppendSeparator()
|
|
m.Append(wxID_ABOUT, '&About...', 'About PyCrust')
|
|
|
|
b = self.menuBar = wxMenuBar()
|
|
b.Append(self.fileMenu, '&File')
|
|
b.Append(self.editMenu, '&Edit')
|
|
b.Append(self.optionsMenu, '&Options')
|
|
b.Append(self.helpMenu, '&Help')
|
|
self.SetMenuBar(b)
|
|
|
|
EVT_MENU(self, wxID_EXIT, self.OnExit)
|
|
EVT_MENU(self, wxID_UNDO, self.OnUndo)
|
|
EVT_MENU(self, wxID_REDO, self.OnRedo)
|
|
EVT_MENU(self, wxID_CUT, self.OnCut)
|
|
EVT_MENU(self, wxID_COPY, self.OnCopy)
|
|
EVT_MENU(self, wxID_PASTE, self.OnPaste)
|
|
EVT_MENU(self, wxID_CLEAR, self.OnClear)
|
|
EVT_MENU(self, wxID_SELECTALL, self.OnSelectAll)
|
|
EVT_MENU(self, wxID_ABOUT, self.OnAbout)
|
|
EVT_MENU(self, ID_AUTOCOMP_SHOW, \
|
|
self.OnAutoCompleteShow)
|
|
EVT_MENU(self, ID_AUTOCOMP_INCLUDE_MAGIC, \
|
|
self.OnAutoCompleteIncludeMagic)
|
|
EVT_MENU(self, ID_AUTOCOMP_INCLUDE_SINGLE, \
|
|
self.OnAutoCompleteIncludeSingle)
|
|
EVT_MENU(self, ID_AUTOCOMP_INCLUDE_DOUBLE, \
|
|
self.OnAutoCompleteIncludeDouble)
|
|
EVT_MENU(self, ID_CALLTIPS_SHOW, \
|
|
self.OnCallTipsShow)
|
|
|
|
EVT_UPDATE_UI(self, wxID_UNDO, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, wxID_REDO, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, wxID_CUT, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, wxID_COPY, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, wxID_PASTE, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, wxID_CLEAR, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, ID_AUTOCOMP_SHOW, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, ID_AUTOCOMP_INCLUDE_MAGIC, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, ID_AUTOCOMP_INCLUDE_SINGLE, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, ID_AUTOCOMP_INCLUDE_DOUBLE, self.OnUpdateMenu)
|
|
EVT_UPDATE_UI(self, ID_CALLTIPS_SHOW, self.OnUpdateMenu)
|
|
|
|
def OnExit(self, event):
|
|
self.Close(true)
|
|
|
|
def OnUndo(self, event):
|
|
self.shell.Undo()
|
|
|
|
def OnRedo(self, event):
|
|
self.shell.Redo()
|
|
|
|
def OnCut(self, event):
|
|
self.shell.Cut()
|
|
|
|
def OnCopy(self, event):
|
|
self.shell.Copy()
|
|
|
|
def OnPaste(self, event):
|
|
self.shell.Paste()
|
|
|
|
def OnClear(self, event):
|
|
self.shell.Clear()
|
|
|
|
def OnSelectAll(self, event):
|
|
self.shell.SelectAll()
|
|
|
|
def OnAbout(self, event):
|
|
"""Display an About PyCrust window."""
|
|
import sys
|
|
title = 'About PyCrust'
|
|
text = 'PyCrust %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 + \
|
|
'Python Version: %s\n' % sys.version.split()[0] + \
|
|
'wxPython Version: %s\n' % wx.__version__ + \
|
|
'Platform: %s\n' % sys.platform
|
|
dialog = wxMessageDialog(self, text, title, wxOK | wxICON_INFORMATION)
|
|
dialog.ShowModal()
|
|
dialog.Destroy()
|
|
|
|
def OnAutoCompleteShow(self, event):
|
|
self.shell.autoComplete = event.IsChecked()
|
|
|
|
def OnAutoCompleteIncludeMagic(self, event):
|
|
self.shell.autoCompleteIncludeMagic = event.IsChecked()
|
|
|
|
def OnAutoCompleteIncludeSingle(self, event):
|
|
self.shell.autoCompleteIncludeSingle = event.IsChecked()
|
|
|
|
def OnAutoCompleteIncludeDouble(self, event):
|
|
self.shell.autoCompleteIncludeDouble = event.IsChecked()
|
|
|
|
def OnCallTipsShow(self, event):
|
|
self.shell.autoCallTip = event.IsChecked()
|
|
|
|
def OnUpdateMenu(self, event):
|
|
"""Update menu items based on current status."""
|
|
id = event.GetId()
|
|
if id == wxID_UNDO:
|
|
event.Enable(self.shell.CanUndo())
|
|
elif id == wxID_REDO:
|
|
event.Enable(self.shell.CanRedo())
|
|
elif id == wxID_CUT:
|
|
event.Enable(self.shell.CanCut())
|
|
elif id == wxID_COPY:
|
|
event.Enable(self.shell.CanCopy())
|
|
elif id == wxID_PASTE:
|
|
event.Enable(self.shell.CanPaste())
|
|
elif id == wxID_CLEAR:
|
|
event.Enable(self.shell.CanCut())
|
|
elif id == ID_AUTOCOMP_SHOW:
|
|
event.Check(self.shell.autoComplete)
|
|
elif id == ID_AUTOCOMP_INCLUDE_MAGIC:
|
|
event.Check(self.shell.autoCompleteIncludeMagic)
|
|
elif id == ID_AUTOCOMP_INCLUDE_SINGLE:
|
|
event.Check(self.shell.autoCompleteIncludeSingle)
|
|
elif id == ID_AUTOCOMP_INCLUDE_DOUBLE:
|
|
event.Check(self.shell.autoCompleteIncludeDouble)
|
|
elif id == ID_CALLTIPS_SHOW:
|
|
event.Check(self.shell.autoCallTip)
|
|
|
|
|
|
class ShellFrame(wxFrame, ShellMenu):
|
|
"""Frame containing the PyCrust shell component."""
|
|
|
|
name = 'PyCrust Shell Frame'
|
|
revision = __revision__
|
|
|
|
def __init__(self, parent=None, id=-1, title='PyShell', \
|
|
pos=wxDefaultPosition, size=wxDefaultSize, \
|
|
style=wxDEFAULT_FRAME_STYLE, locals=None, \
|
|
InterpClass=None, *args, **kwds):
|
|
"""Create a PyCrust ShellFrame instance."""
|
|
wxFrame.__init__(self, parent, id, title, pos, size, style)
|
|
intro = 'Welcome To PyCrust %s - The Flakiest Python Shell' % VERSION
|
|
intro += '\nSponsored by Orbtech - Specializing in Python Application Development'
|
|
self.CreateStatusBar()
|
|
self.SetStatusText(intro.replace('\n', ', '))
|
|
if wxPlatform == '__WXMSW__':
|
|
import os
|
|
filename = os.path.join(os.path.dirname(__file__), 'PyCrust.ico')
|
|
icon = wxIcon(filename, wxBITMAP_TYPE_ICO)
|
|
self.SetIcon(icon)
|
|
self.shell = Shell(parent=self, id=-1, introText=intro, \
|
|
locals=locals, InterpClass=InterpClass, \
|
|
*args, **kwds)
|
|
# Override the shell so that status messages go to the status bar.
|
|
self.shell.setStatusText = self.SetStatusText
|
|
self.createMenus()
|
|
|
|
|
|
|
|
|