FM / idlelib

/usr/lib64/python2.6/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
aboutDialog.py	6825	0644	edit dl rm
aboutDialog.pyc	6965	0644	edit dl rm
aboutDialog.pyo	6965	0644	edit dl rm
AutoComplete.py	9061	0644	edit dl rm
AutoComplete.pyc	8023	0644	edit dl rm
AutoComplete.pyo	8023	0644	edit dl rm
AutoCompleteWindow.py	17201	0644	edit dl rm
AutoCompleteWindow.pyc	12580	0644	edit dl rm
AutoCompleteWindow.pyo	12517	0644	edit dl rm
AutoExpand.py	2483	0644	edit dl rm
AutoExpand.pyc	2587	0644	edit dl rm
AutoExpand.pyo	2587	0644	edit dl rm
Bindings.py	3502	0644	edit dl rm
Bindings.pyc	5064	0644	edit dl rm
Bindings.pyo	5064	0644	edit dl rm
CallTips.py	7608	0644	edit dl rm
CallTips.pyc	10287	0644	edit dl rm
CallTips.pyo	10287	0644	edit dl rm
CallTipWindow.py	5924	0644	edit dl rm
CallTipWindow.pyc	6217	0644	edit dl rm
CallTipWindow.pyo	6217	0644	edit dl rm
ChangeLog	56393	0644	edit dl rm
ClassBrowser.py	6369	0644	edit dl rm
ClassBrowser.pyc	9220	0644	edit dl rm
ClassBrowser.pyo	9220	0644	edit dl rm
CodeContext.py	8347	0644	edit dl rm
CodeContext.pyc	6733	0644	edit dl rm
CodeContext.pyo	6687	0644	edit dl rm
ColorDelegator.py	10150	0644	edit dl rm
ColorDelegator.pyc	8976	0644	edit dl rm
ColorDelegator.pyo	8976	0644	edit dl rm
config-extensions.def	2697	0644	edit dl rm
config-highlight.def	1740	0644	edit dl rm
config-keys.def	7517	0644	edit dl rm
config-main.def	2512	0644	edit dl rm
configDialog.py	53229	0644	edit dl rm
configDialog.pyc	44986	0644	edit dl rm
configDialog.pyo	44986	0644	edit dl rm
configHandler.py	28803	0644	edit dl rm
configHandler.pyc	27360	0644	edit dl rm
configHandler.pyo	27360	0644	edit dl rm
configHelpSourceEdit.py	6680	0644	edit dl rm
configHelpSourceEdit.pyc	6751	0644	edit dl rm
configHelpSourceEdit.pyo	6751	0644	edit dl rm
configSectionNameDialog.py	3720	0644	edit dl rm
configSectionNameDialog.pyc	4321	0644	edit dl rm
configSectionNameDialog.pyo	4321	0644	edit dl rm
CREDITS.txt	1856	0644	edit dl rm
Debugger.py	15818	0644	edit dl rm
Debugger.pyc	17074	0644	edit dl rm
Debugger.pyo	17074	0644	edit dl rm
Delegator.py	831	0644	edit dl rm
Delegator.pyc	1623	0644	edit dl rm
Delegator.pyo	1623	0644	edit dl rm
dynOptionMenuWidget.py	1302	0644	edit dl rm
dynOptionMenuWidget.pyc	1707	0644	edit dl rm
dynOptionMenuWidget.pyo	1707	0644	edit dl rm
EditorWindow.py	59734	0644	edit dl rm
EditorWindow.pyc	53007	0644	edit dl rm
EditorWindow.pyo	52904	0644	edit dl rm
extend.txt	3652	0644	edit dl rm
FileList.py	3660	0644	edit dl rm
FileList.pyc	4010	0644	edit dl rm
FileList.pyo	3975	0644	edit dl rm
FormatParagraph.py	5734	0644	edit dl rm
FormatParagraph.pyc	4827	0644	edit dl rm
FormatParagraph.pyo	4827	0644	edit dl rm
GrepDialog.py	4052	0644	edit dl rm
GrepDialog.pyc	5061	0644	edit dl rm
GrepDialog.pyo	5061	0644	edit dl rm
help.txt	11223	0644	edit dl rm
HISTORY.txt	10317	0644	edit dl rm
HyperParser.py	10310	0644	edit dl rm
HyperParser.pyc	6640	0644	edit dl rm
HyperParser.pyo	6640	0644	edit dl rm
idle.py	664	0644	edit dl rm
idle.pyc	596	0644	edit dl rm
idle.pyo	596	0644	edit dl rm
idle.pyw	664	0644	edit dl rm
IdleHistory.py	3145	0644	edit dl rm
IdleHistory.pyc	3231	0644	edit dl rm
IdleHistory.pyo	3231	0644	edit dl rm
idlever.py	23	0644	edit dl rm
idlever.pyc	159	0644	edit dl rm
idlever.pyo	159	0644	edit dl rm
IOBinding.py	20972	0644	edit dl rm
IOBinding.pyc	17791	0644	edit dl rm
IOBinding.pyo	17791	0644	edit dl rm
keybindingDialog.py	12407	0644	edit dl rm
keybindingDialog.pyc	12416	0644	edit dl rm
keybindingDialog.pyo	12416	0644	edit dl rm
macosxSupport.py	4724	0644	edit dl rm
macosxSupport.pyc	4886	0644	edit dl rm
macosxSupport.pyo	4886	0644	edit dl rm
MultiCall.py	17470	0644	edit dl rm
MultiCall.pyc	16208	0644	edit dl rm
MultiCall.pyo	16132	0644	edit dl rm
MultiStatusBar.py	789	0644	edit dl rm
MultiStatusBar.pyc	1548	0644	edit dl rm
MultiStatusBar.pyo	1548	0644	edit dl rm
NEWS.txt	27165	0644	edit dl rm
ObjectBrowser.py	4156	0644	edit dl rm
ObjectBrowser.pyc	6747	0644	edit dl rm
ObjectBrowser.pyo	6747	0644	edit dl rm
OutputWindow.py	4392	0644	edit dl rm
OutputWindow.pyc	5020	0644	edit dl rm
OutputWindow.pyo	5020	0644	edit dl rm
ParenMatch.py	6627	0644	edit dl rm
ParenMatch.pyc	7007	0644	edit dl rm
ParenMatch.pyo	7007	0644	edit dl rm
PathBrowser.py	2646	0644	edit dl rm
PathBrowser.pyc	4165	0644	edit dl rm
PathBrowser.pyo	4165	0644	edit dl rm
Percolator.py	2616	0644	edit dl rm
Percolator.pyc	3660	0644	edit dl rm
Percolator.pyo	3466	0644	edit dl rm
PyParse.py	19510	0644	edit dl rm
PyParse.pyc	10213	0644	edit dl rm
PyParse.pyo	9745	0644	edit dl rm
PyShell.py	51909	0644	edit dl rm
PyShell.pyc	46688	0644	edit dl rm
PyShell.pyo	46587	0644	edit dl rm
README.txt	2623	0644	edit dl rm
RemoteDebugger.py	11660	0644	edit dl rm
RemoteDebugger.pyc	16414	0644	edit dl rm
RemoteDebugger.pyo	16259	0644	edit dl rm
RemoteObjectBrowser.py	942	0644	edit dl rm
RemoteObjectBrowser.pyc	2167	0644	edit dl rm
RemoteObjectBrowser.pyo	2167	0644	edit dl rm
ReplaceDialog.py	5134	0644	edit dl rm
ReplaceDialog.pyc	5984	0644	edit dl rm
ReplaceDialog.pyo	5984	0644	edit dl rm
rpc.py	20215	0644	edit dl rm
rpc.pyc	21937	0644	edit dl rm
rpc.pyo	21827	0644	edit dl rm
run.py	11337	0644	edit dl rm
run.pyc	12214	0644	edit dl rm
run.pyo	12214	0644	edit dl rm
ScriptBinding.py	7783	0644	edit dl rm
ScriptBinding.pyc	7607	0644	edit dl rm
ScriptBinding.pyo	7607	0644	edit dl rm
ScrolledList.py	3995	0644	edit dl rm
ScrolledList.pyc	6193	0644	edit dl rm
ScrolledList.pyo	6193	0644	edit dl rm
SearchDialog.py	2040	0644	edit dl rm
SearchDialog.pyc	3026	0644	edit dl rm
SearchDialog.pyo	3026	0644	edit dl rm
SearchDialogBase.py	4385	0644	edit dl rm
SearchDialogBase.pyc	5518	0644	edit dl rm
SearchDialogBase.pyo	5518	0644	edit dl rm
SearchEngine.py	6731	0644	edit dl rm
SearchEngine.pyc	7257	0644	edit dl rm
SearchEngine.pyo	7257	0644	edit dl rm
StackViewer.py	3857	0644	edit dl rm
StackViewer.pyc	5958	0644	edit dl rm
StackViewer.pyo	5958	0644	edit dl rm
tabbedpages.py	18188	0644	edit dl rm
tabbedpages.pyc	18163	0644	edit dl rm
tabbedpages.pyo	18163	0644	edit dl rm
textView.py	3246	0644	edit dl rm
textView.pyc	3983	0644	edit dl rm
textView.pyo	3983	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
ToolTip.py	2736	0644	edit dl rm
ToolTip.pyc	4160	0644	edit dl rm
ToolTip.pyo	4160	0644	edit dl rm
TreeWidget.py	15237	0644	edit dl rm
TreeWidget.pyc	18014	0644	edit dl rm
TreeWidget.pyo	18014	0644	edit dl rm
UndoDelegator.py	10277	0644	edit dl rm
UndoDelegator.pyc	12646	0644	edit dl rm
UndoDelegator.pyo	12646	0644	edit dl rm
WidgetRedirector.py	4476	0644	edit dl rm
WidgetRedirector.pyc	5366	0644	edit dl rm
WidgetRedirector.pyo	5366	0644	edit dl rm
WindowList.py	2473	0644	edit dl rm
WindowList.pyc	3654	0644	edit dl rm
WindowList.pyo	3654	0644	edit dl rm
ZoomHeight.py	1307	0644	edit dl rm
ZoomHeight.pyc	1661	0644	edit dl rm
ZoomHeight.pyo	1661	0644	edit dl rm
__init__.py	37	0644	edit dl rm
__init__.pyc	127	0644	edit dl rm
__init__.pyo	127	0644	edit dl rm

Edit: /usr/lib64/python2.6/idlelib/PyShell.py (51909B)

import os
import os.path
import sys
import string
import getopt
import re
import socket
import time
import threading
import traceback
import types

import linecache
from code import InteractiveInterpreter

try:
    from Tkinter import *
except ImportError:
    print>>sys.__stderr__, "** IDLE can't import Tkinter.  " \
                           "Your Python may not be configured for Tk. **"
    sys.exit(1)
import tkMessageBox

from idlelib.EditorWindow import EditorWindow, fixwordbreaks
from idlelib.FileList import FileList
from idlelib.ColorDelegator import ColorDelegator
from idlelib.UndoDelegator import UndoDelegator
from idlelib.OutputWindow import OutputWindow
from idlelib.configHandler import idleConf
from idlelib import idlever
from idlelib import rpc
from idlelib import Debugger
from idlelib import RemoteDebugger
from idlelib import macosxSupport

IDENTCHARS = string.ascii_letters + string.digits + "_"
HOST = '127.0.0.1' # python execution server on localhost loopback
PORT = 0  # someday pass in host, port for remote debug capability

try:
    from signal import SIGTERM
except ImportError:
    SIGTERM = 15

# Override warnings module to write to warning_stream.  Initialize to send IDLE
# internal warnings to the console.  ScriptBinding.check_syntax() will
# temporarily redirect the stream to the shell window to display warnings when
# checking user's code.
global warning_stream
warning_stream = sys.__stderr__
try:
    import warnings
except ImportError:
    pass
else:
    def idle_showwarning(message, category, filename, lineno,
                         file=None, line=None):
        file = warning_stream
        try:
            file.write(warnings.formatwarning(message, category, filename,\
                                              lineno, file=file, line=line))
        except IOError:
            pass  ## file (probably __stderr__) is invalid, warning dropped.
    warnings.showwarning = idle_showwarning
    def idle_formatwarning(message, category, filename, lineno,
                           file=None, line=None):
        """Format warnings the IDLE way"""
        s = "\nWarning (from warnings module):\n"
        s += '  File \"%s\", line %s\n' % (filename, lineno)
        line = linecache.getline(filename, lineno).strip() \
            if line is None else line
        if line:
            s += "    %s\n" % line
        s += "%s: %s\n>>> " % (category.__name__, message)
        return s
    warnings.formatwarning = idle_formatwarning

def extended_linecache_checkcache(filename=None,
                                  orig_checkcache=linecache.checkcache):
    """Extend linecache.checkcache to preserve the <pyshell#...> entries

Rather than repeating the linecache code, patch it to save the
    <pyshell#...> entries, call the original linecache.checkcache()
    (which destroys them), and then restore the saved entries.

orig_checkcache is bound at definition time to the original
    method, allowing it to be patched.

"""
    cache = linecache.cache
    save = {}
    for filename in cache.keys():
        if filename[:1] + filename[-1:] == '<>':
            save[filename] = cache[filename]
    orig_checkcache()
    cache.update(save)

# Patch linecache.checkcache():
linecache.checkcache = extended_linecache_checkcache

class PyShellEditorWindow(EditorWindow):
    "Regular text edit window in IDLE, supports breakpoints"

def __init__(self, *args):
        self.breakpoints = []
        EditorWindow.__init__(self, *args)
        self.text.bind("<<set-breakpoint-here>>", self.set_breakpoint_here)
        self.text.bind("<<clear-breakpoint-here>>", self.clear_breakpoint_here)
        self.text.bind("<<open-python-shell>>", self.flist.open_shell)

self.breakpointPath = os.path.join(idleConf.GetUserCfgDir(),
                                           'breakpoints.lst')
        # whenever a file is changed, restore breakpoints
        if self.io.filename: self.restore_file_breaks()
        def filename_changed_hook(old_hook=self.io.filename_change_hook,
                                  self=self):
            self.restore_file_breaks()
            old_hook()
        self.io.set_filename_change_hook(filename_changed_hook)

rmenu_specs = [("Set Breakpoint", "<<set-breakpoint-here>>"),
                   ("Clear Breakpoint", "<<clear-breakpoint-here>>")]

def set_breakpoint(self, lineno):
        text = self.text
        filename = self.io.filename
        text.tag_add("BREAK", "%d.0" % lineno, "%d.0" % (lineno+1))
        try:
            i = self.breakpoints.index(lineno)
        except ValueError:  # only add if missing, i.e. do once
            self.breakpoints.append(lineno)
        try:    # update the subprocess debugger
            debug = self.flist.pyshell.interp.debugger
            debug.set_breakpoint_here(filename, lineno)
        except: # but debugger may not be active right now....
            pass

def set_breakpoint_here(self, event=None):
        text = self.text
        filename = self.io.filename
        if not filename:
            text.bell()
            return
        lineno = int(float(text.index("insert")))
        self.set_breakpoint(lineno)

def clear_breakpoint_here(self, event=None):
        text = self.text
        filename = self.io.filename
        if not filename:
            text.bell()
            return
        lineno = int(float(text.index("insert")))
        try:
            self.breakpoints.remove(lineno)
        except:
            pass
        text.tag_remove("BREAK", "insert linestart",\
                        "insert lineend +1char")
        try:
            debug = self.flist.pyshell.interp.debugger
            debug.clear_breakpoint_here(filename, lineno)
        except:
            pass

def clear_file_breaks(self):
        if self.breakpoints:
            text = self.text
            filename = self.io.filename
            if not filename:
                text.bell()
                return
            self.breakpoints = []
            text.tag_remove("BREAK", "1.0", END)
            try:
                debug = self.flist.pyshell.interp.debugger
                debug.clear_file_breaks(filename)
            except:
                pass

def store_file_breaks(self):
        "Save breakpoints when file is saved"
        # XXX 13 Dec 2002 KBK Currently the file must be saved before it can
        #     be run.  The breaks are saved at that time.  If we introduce
        #     a temporary file save feature the save breaks functionality
        #     needs to be re-verified, since the breaks at the time the
        #     temp file is created may differ from the breaks at the last
        #     permanent save of the file.  Currently, a break introduced
        #     after a save will be effective, but not persistent.
        #     This is necessary to keep the saved breaks synched with the
        #     saved file.
        #
        #     Breakpoints are set as tagged ranges in the text.  Certain
        #     kinds of edits cause these ranges to be deleted: Inserting
        #     or deleting a line just before a breakpoint, and certain
        #     deletions prior to a breakpoint.  These issues need to be
        #     investigated and understood.  It's not clear if they are
        #     Tk issues or IDLE issues, or whether they can actually
        #     be fixed.  Since a modified file has to be saved before it is
        #     run, and since self.breakpoints (from which the subprocess
        #     debugger is loaded) is updated during the save, the visible
        #     breaks stay synched with the subprocess even if one of these
        #     unexpected breakpoint deletions occurs.
        breaks = self.breakpoints
        filename = self.io.filename
        try:
            lines = open(self.breakpointPath,"r").readlines()
        except IOError:
            lines = []
        new_file = open(self.breakpointPath,"w")
        for line in lines:
            if not line.startswith(filename + '='):
                new_file.write(line)
        self.update_breakpoints()
        breaks = self.breakpoints
        if breaks:
            new_file.write(filename + '=' + str(breaks) + '\n')
        new_file.close()

def restore_file_breaks(self):
        self.text.update()   # this enables setting "BREAK" tags to be visible
        filename = self.io.filename
        if filename is None:
            return
        if os.path.isfile(self.breakpointPath):
            lines = open(self.breakpointPath,"r").readlines()
            for line in lines:
                if line.startswith(filename + '='):
                    breakpoint_linenumbers = eval(line[len(filename)+1:])
                    for breakpoint_linenumber in breakpoint_linenumbers:
                        self.set_breakpoint(breakpoint_linenumber)

def update_breakpoints(self):
        "Retrieves all the breakpoints in the current window"
        text = self.text
        ranges = text.tag_ranges("BREAK")
        linenumber_list = self.ranges_to_linenumbers(ranges)
        self.breakpoints = linenumber_list

def ranges_to_linenumbers(self, ranges):
        lines = []
        for index in range(0, len(ranges), 2):
            lineno = int(float(ranges[index]))
            end = int(float(ranges[index+1]))
            while lineno < end:
                lines.append(lineno)
                lineno += 1
        return lines

# XXX 13 Dec 2002 KBK Not used currently
#    def saved_change_hook(self):
#        "Extend base method - clear breaks if module is modified"
#        if not self.get_saved():
#            self.clear_file_breaks()
#        EditorWindow.saved_change_hook(self)

def _close(self):
        "Extend base method - clear breaks when module is closed"
        self.clear_file_breaks()
        EditorWindow._close(self)

class PyShellFileList(FileList):
    "Extend base class: IDLE supports a shell and breakpoints"

# override FileList's class variable, instances return PyShellEditorWindow
    # instead of EditorWindow when new edit windows are created.
    EditorWindow = PyShellEditorWindow

pyshell = None

def open_shell(self, event=None):
        if self.pyshell:
            self.pyshell.top.wakeup()
        else:
            self.pyshell = PyShell(self)
            if self.pyshell:
                if not self.pyshell.begin():
                    return None
        return self.pyshell

class ModifiedColorDelegator(ColorDelegator):
    "Extend base class: colorizer for the shell window itself"

def __init__(self):
        ColorDelegator.__init__(self)
        self.LoadTagDefs()

def recolorize_main(self):
        self.tag_remove("TODO", "1.0", "iomark")
        self.tag_add("SYNC", "1.0", "iomark")
        ColorDelegator.recolorize_main(self)

def LoadTagDefs(self):
        ColorDelegator.LoadTagDefs(self)
        theme = idleConf.GetOption('main','Theme','name')
        self.tagdefs.update({
            "stdin": {'background':None,'foreground':None},
            "stdout": idleConf.GetHighlight(theme, "stdout"),
            "stderr": idleConf.GetHighlight(theme, "stderr"),
            "console": idleConf.GetHighlight(theme, "console"),
        })

class ModifiedUndoDelegator(UndoDelegator):
    "Extend base class: forbid insert/delete before the I/O mark"

def insert(self, index, chars, tags=None):
        try:
            if self.delegate.compare(index, "<", "iomark"):
                self.delegate.bell()
                return
        except TclError:
            pass
        UndoDelegator.insert(self, index, chars, tags)

def delete(self, index1, index2=None):
        try:
            if self.delegate.compare(index1, "<", "iomark"):
                self.delegate.bell()
                return
        except TclError:
            pass
        UndoDelegator.delete(self, index1, index2)

class MyRPCClient(rpc.RPCClient):

def handle_EOF(self):
        "Override the base class - just re-raise EOFError"
        raise EOFError

class ModifiedInterpreter(InteractiveInterpreter):

def __init__(self, tkconsole):
        self.tkconsole = tkconsole
        locals = sys.modules['__main__'].__dict__
        InteractiveInterpreter.__init__(self, locals=locals)
        self.save_warnings_filters = None
        self.restarting = False
        self.subprocess_arglist = None
        self.port = PORT

rpcclt = None
    rpcpid = None

def spawn_subprocess(self):
        if self.subprocess_arglist == None:
            self.subprocess_arglist = self.build_subprocess_arglist()
        args = self.subprocess_arglist
        self.rpcpid = os.spawnv(os.P_NOWAIT, sys.executable, args)

def build_subprocess_arglist(self):
        assert (self.port!=0), (
            "Socket should have been assigned a port number.")
        w = ['-W' + s for s in sys.warnoptions]
        if 1/2 > 0: # account for new division
            w.append('-Qnew')
        # Maybe IDLE is installed and is being accessed via sys.path,
        # or maybe it's not installed and the idle.py script is being
        # run from the IDLE source directory.
        del_exitf = idleConf.GetOption('main', 'General', 'delete-exitfunc',
                                       default=False, type='bool')
        if __name__ == 'idlelib.PyShell':
            command = "__import__('idlelib.run').run.main(%r)" % (del_exitf,)
        else:
            command = "__import__('run').main(%r)" % (del_exitf,)
        if sys.platform[:3] == 'win' and ' ' in sys.executable:
            # handle embedded space in path by quoting the argument
            decorated_exec = '"%s"' % sys.executable
        else:
            decorated_exec = sys.executable
        return [decorated_exec] + w + ["-c", command, str(self.port)]

def start_subprocess(self):
        addr = (HOST, self.port)
        # GUI makes several attempts to acquire socket, listens for connection
        for i in range(3):
            time.sleep(i)
            try:
                self.rpcclt = MyRPCClient(addr)
                break
            except socket.error, err:
                pass
        else:
            self.display_port_binding_error()
            return None
        # if PORT was 0, system will assign an 'ephemeral' port. Find it out:
        self.port = self.rpcclt.listening_sock.getsockname()[1]
        # if PORT was not 0, probably working with a remote execution server
        if PORT != 0:
            # To allow reconnection within the 2MSL wait (cf. Stevens TCP
            # V1, 18.6),  set SO_REUSEADDR.  Note that this can be problematic
            # on Windows since the implementation allows two active sockets on
            # the same address!
            self.rpcclt.listening_sock.setsockopt(socket.SOL_SOCKET,
                                           socket.SO_REUSEADDR, 1)
        self.spawn_subprocess()
        #time.sleep(20) # test to simulate GUI not accepting connection
        # Accept the connection from the Python execution server
        self.rpcclt.listening_sock.settimeout(10)
        try:
            self.rpcclt.accept()
        except socket.timeout, err:
            self.display_no_subprocess_error()
            return None
        self.rpcclt.register("stdin", self.tkconsole)
        self.rpcclt.register("stdout", self.tkconsole.stdout)
        self.rpcclt.register("stderr", self.tkconsole.stderr)
        self.rpcclt.register("flist", self.tkconsole.flist)
        self.rpcclt.register("linecache", linecache)
        self.rpcclt.register("interp", self)
        self.transfer_path()
        self.poll_subprocess()
        return self.rpcclt

def restart_subprocess(self):
        if self.restarting:
            return self.rpcclt
        self.restarting = True
        # close only the subprocess debugger
        debug = self.getdebugger()
        if debug:
            try:
                # Only close subprocess debugger, don't unregister gui_adap!
                RemoteDebugger.close_subprocess_debugger(self.rpcclt)
            except:
                pass
        # Kill subprocess, spawn a new one, accept connection.
        self.rpcclt.close()
        self.unix_terminate()
        console = self.tkconsole
        was_executing = console.executing
        console.executing = False
        self.spawn_subprocess()
        try:
            self.rpcclt.accept()
        except socket.timeout, err:
            self.display_no_subprocess_error()
            return None
        self.transfer_path()
        # annotate restart in shell window and mark it
        console.text.delete("iomark", "end-1c")
        if was_executing:
            console.write('\n')
            console.showprompt()
        halfbar = ((int(console.width) - 16) // 2) * '='
        console.write(halfbar + ' RESTART ' + halfbar)
        console.text.mark_set("restart", "end-1c")
        console.text.mark_gravity("restart", "left")
        console.showprompt()
        # restart subprocess debugger
        if debug:
            # Restarted debugger connects to current instance of debug GUI
            gui = RemoteDebugger.restart_subprocess_debugger(self.rpcclt)
            # reload remote debugger breakpoints for all PyShellEditWindows
            debug.load_breakpoints()
        self.restarting = False
        return self.rpcclt

def __request_interrupt(self):
        self.rpcclt.remotecall("exec", "interrupt_the_server", (), {})

def interrupt_subprocess(self):
        threading.Thread(target=self.__request_interrupt).start()

def kill_subprocess(self):
        try:
            self.rpcclt.close()
        except AttributeError:  # no socket
            pass
        self.unix_terminate()
        self.tkconsole.executing = False
        self.rpcclt = None

def unix_terminate(self):
        "UNIX: make sure subprocess is terminated and collect status"
        if hasattr(os, 'kill'):
            try:
                os.kill(self.rpcpid, SIGTERM)
            except OSError:
                # process already terminated:
                return
            else:
                try:
                    os.waitpid(self.rpcpid, 0)
                except OSError:
                    return

def transfer_path(self):
        self.runcommand("""if 1:
        import sys as _sys
        _sys.path = %r
        del _sys
        \n""" % (sys.path,))

active_seq = None

def poll_subprocess(self):
        clt = self.rpcclt
        if clt is None:
            return
        try:
            response = clt.pollresponse(self.active_seq, wait=0.05)
        except (EOFError, IOError, KeyboardInterrupt):
            # lost connection or subprocess terminated itself, restart
            # [the KBI is from rpc.SocketIO.handle_EOF()]
            if self.tkconsole.closing:
                return
            response = None
            self.restart_subprocess()
        if response:
            self.tkconsole.resetoutput()
            self.active_seq = None
            how, what = response
            console = self.tkconsole.console
            if how == "OK":
                if what is not None:
                    print >>console, repr(what)
            elif how == "EXCEPTION":
                if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
                    self.remote_stack_viewer()
            elif how == "ERROR":
                errmsg = "PyShell.ModifiedInterpreter: Subprocess ERROR:\n"
                print >>sys.__stderr__, errmsg, what
                print >>console, errmsg, what
            # we received a response to the currently active seq number:
            try:
                self.tkconsole.endexecuting()
            except AttributeError:  # shell may have closed
                pass
        # Reschedule myself
        if not self.tkconsole.closing:
            self.tkconsole.text.after(self.tkconsole.pollinterval,
                                      self.poll_subprocess)

debugger = None

def setdebugger(self, debugger):
        self.debugger = debugger

def getdebugger(self):
        return self.debugger

def open_remote_stack_viewer(self):
        """Initiate the remote stack viewer from a separate thread.

This method is called from the subprocess, and by returning from this
        method we allow the subprocess to unblock.  After a bit the shell
        requests the subprocess to open the remote stack viewer which returns a
        static object looking at the last exception.  It is queried through
        the RPC mechanism.

"""
        self.tkconsole.text.after(300, self.remote_stack_viewer)
        return

def remote_stack_viewer(self):
        from idlelib import RemoteObjectBrowser
        oid = self.rpcclt.remotequeue("exec", "stackviewer", ("flist",), {})
        if oid is None:
            self.tkconsole.root.bell()
            return
        item = RemoteObjectBrowser.StubObjectTreeItem(self.rpcclt, oid)
        from idlelib.TreeWidget import ScrolledCanvas, TreeNode
        top = Toplevel(self.tkconsole.root)
        theme = idleConf.GetOption('main','Theme','name')
        background = idleConf.GetHighlight(theme, 'normal')['background']
        sc = ScrolledCanvas(top, bg=background, highlightthickness=0)
        sc.frame.pack(expand=1, fill="both")
        node = TreeNode(sc.canvas, None, item)
        node.expand()
        # XXX Should GC the remote tree when closing the window

gid = 0

def execsource(self, source):
        "Like runsource() but assumes complete exec source"
        filename = self.stuffsource(source)
        self.execfile(filename, source)

def execfile(self, filename, source=None):
        "Execute an existing file"
        if source is None:
            source = open(filename, "r").read()
        try:
            code = compile(source, filename, "exec")
        except (OverflowError, SyntaxError):
            self.tkconsole.resetoutput()
            tkerr = self.tkconsole.stderr
            print>>tkerr, '*** Error in script or command!\n'
            print>>tkerr, 'Traceback (most recent call last):'
            InteractiveInterpreter.showsyntaxerror(self, filename)
            self.tkconsole.showprompt()
        else:
            self.runcode(code)

def runsource(self, source):
        "Extend base class method: Stuff the source in the line cache first"
        filename = self.stuffsource(source)
        self.more = 0
        self.save_warnings_filters = warnings.filters[:]
        warnings.filterwarnings(action="error", category=SyntaxWarning)
        if isinstance(source, types.UnicodeType):
            from idlelib import IOBinding
            try:
                source = source.encode(IOBinding.encoding)
            except UnicodeError:
                self.tkconsole.resetoutput()
                self.write("Unsupported characters in input\n")
                return
        try:
            # InteractiveInterpreter.runsource() calls its runcode() method,
            # which is overridden (see below)
            return InteractiveInterpreter.runsource(self, source, filename)
        finally:
            if self.save_warnings_filters is not None:
                warnings.filters[:] = self.save_warnings_filters
                self.save_warnings_filters = None

def stuffsource(self, source):
        "Stuff source in the filename cache"
        filename = "<pyshell#%d>" % self.gid
        self.gid = self.gid + 1
        lines = source.split("\n")
        linecache.cache[filename] = len(source)+1, 0, lines, filename
        return filename

def prepend_syspath(self, filename):
        "Prepend sys.path with file's directory if not already included"
        self.runcommand("""if 1:
            _filename = %r
            import sys as _sys
            from os.path import dirname as _dirname
            _dir = _dirname(_filename)
            if not _dir in _sys.path:
                _sys.path.insert(0, _dir)
            del _filename, _sys, _dirname, _dir
            \n""" % (filename,))

def showsyntaxerror(self, filename=None):
        """Extend base class method: Add Colorizing

Color the offending position instead of printing it and pointing at it
        with a caret.

"""
        text = self.tkconsole.text
        stuff = self.unpackerror()
        if stuff:
            msg, lineno, offset, line = stuff
            if lineno == 1:
                pos = "iomark + %d chars" % (offset-1)
            else:
                pos = "iomark linestart + %d lines + %d chars" % \
                      (lineno-1, offset-1)
            text.tag_add("ERROR", pos)
            text.see(pos)
            char = text.get(pos)
            if char and char in IDENTCHARS:
                text.tag_add("ERROR", pos + " wordstart", pos)
            self.tkconsole.resetoutput()
            self.write("SyntaxError: %s\n" % str(msg))
        else:
            self.tkconsole.resetoutput()
            InteractiveInterpreter.showsyntaxerror(self, filename)
        self.tkconsole.showprompt()

def unpackerror(self):
        type, value, tb = sys.exc_info()
        ok = type is SyntaxError
        if ok:
            try:
                msg, (dummy_filename, lineno, offset, line) = value
                if not offset:
                    offset = 0
            except:
                ok = 0
        if ok:
            return msg, lineno, offset, line
        else:
            return None

def showtraceback(self):
        "Extend base class method to reset output properly"
        self.tkconsole.resetoutput()
        self.checklinecache()
        InteractiveInterpreter.showtraceback(self)
        if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
            self.tkconsole.open_stack_viewer()

def checklinecache(self):
        c = linecache.cache
        for key in c.keys():
            if key[:1] + key[-1:] != "<>":
                del c[key]

def runcommand(self, code):
        "Run the code without invoking the debugger"
        # The code better not raise an exception!
        if self.tkconsole.executing:
            self.display_executing_dialog()
            return 0
        if self.rpcclt:
            self.rpcclt.remotequeue("exec", "runcode", (code,), {})
        else:
            exec code in self.locals
        return 1

def runcode(self, code):
        "Override base class method"
        if self.tkconsole.executing:
            self.interp.restart_subprocess()
        self.checklinecache()
        if self.save_warnings_filters is not None:
            warnings.filters[:] = self.save_warnings_filters
            self.save_warnings_filters = None
        debugger = self.debugger
        try:
            self.tkconsole.beginexecuting()
            if not debugger and self.rpcclt is not None:
                self.active_seq = self.rpcclt.asyncqueue("exec", "runcode",
                                                        (code,), {})
            elif debugger:
                debugger.run(code, self.locals)
            else:
                exec code in self.locals
        except SystemExit:
            if not self.tkconsole.closing:
                if tkMessageBox.askyesno(
                    "Exit?",
                    "Do you want to exit altogether?",
                    default="yes",
                    master=self.tkconsole.text):
                    raise
                else:
                    self.showtraceback()
            else:
                raise
        except:
            if use_subprocess:
                print >>self.tkconsole.stderr, \
                         "IDLE internal error in runcode()"
                self.showtraceback()
                self.tkconsole.endexecuting()
            else:
                if self.tkconsole.canceled:
                    self.tkconsole.canceled = False
                    print >>self.tkconsole.stderr, "KeyboardInterrupt"
                else:
                    self.showtraceback()
        finally:
            if not use_subprocess:
                try:
                    self.tkconsole.endexecuting()
                except AttributeError:  # shell may have closed
                    pass

def write(self, s):
        "Override base class method"
        self.tkconsole.stderr.write(s)

def display_port_binding_error(self):
        tkMessageBox.showerror(
            "Port Binding Error",
            "IDLE can't bind to a TCP/IP port, which is necessary to "
            "communicate with its Python execution server.  This might be "
            "because no networking is installed on this computer.  "
            "Run IDLE with the -n command line switch to start without a "
            "subprocess and refer to Help/IDLE Help 'Running without a "
            "subprocess' for further details.",
            master=self.tkconsole.text)

def display_no_subprocess_error(self):
        tkMessageBox.showerror(
            "Subprocess Startup Error",
            "IDLE's subprocess didn't make connection.  Either IDLE can't "
            "start a subprocess or personal firewall software is blocking "
            "the connection.",
            master=self.tkconsole.text)

def display_executing_dialog(self):
        tkMessageBox.showerror(
            "Already executing",
            "The Python Shell window is already executing a command; "
            "please wait until it is finished.",
            master=self.tkconsole.text)

class PyShell(OutputWindow):

shell_title = "Python Shell"

# Override classes
    ColorDelegator = ModifiedColorDelegator
    UndoDelegator = ModifiedUndoDelegator

# Override menus
    menu_specs = [
        ("file", "_File"),
        ("edit", "_Edit"),
        ("debug", "_Debug"),
        ("options", "_Options"),
        ("windows", "_Windows"),
        ("help", "_Help"),
    ]

if macosxSupport.runningAsOSXApp():
        del menu_specs[-3]
        menu_specs[-2] = ("windows", "_Window")

# New classes
    from idlelib.IdleHistory import History

def __init__(self, flist=None):
        if use_subprocess:
            ms = self.menu_specs
            if ms[2][0] != "shell":
                ms.insert(2, ("shell", "She_ll"))
        self.interp = ModifiedInterpreter(self)
        if flist is None:
            root = Tk()
            fixwordbreaks(root)
            root.withdraw()
            flist = PyShellFileList(root)
        #
        OutputWindow.__init__(self, flist, None, None)
        #
##        self.config(usetabs=1, indentwidth=8, context_use_ps1=1)
        self.usetabs = True
        # indentwidth must be 8 when using tabs.  See note in EditorWindow:
        self.indentwidth = 8
        self.context_use_ps1 = True
        #
        text = self.text
        text.configure(wrap="char")
        text.bind("<<newline-and-indent>>", self.enter_callback)
        text.bind("<<plain-newline-and-indent>>", self.linefeed_callback)
        text.bind("<<interrupt-execution>>", self.cancel_callback)
        text.bind("<<end-of-file>>", self.eof_callback)
        text.bind("<<open-stack-viewer>>", self.open_stack_viewer)
        text.bind("<<toggle-debugger>>", self.toggle_debugger)
        text.bind("<<toggle-jit-stack-viewer>>", self.toggle_jit_stack_viewer)
        if use_subprocess:
            text.bind("<<view-restart>>", self.view_restart_mark)
            text.bind("<<restart-shell>>", self.restart_shell)
        #
        self.save_stdout = sys.stdout
        self.save_stderr = sys.stderr
        self.save_stdin = sys.stdin
        from idlelib import IOBinding
        self.stdout = PseudoFile(self, "stdout", IOBinding.encoding)
        self.stderr = PseudoFile(self, "stderr", IOBinding.encoding)
        self.console = PseudoFile(self, "console", IOBinding.encoding)
        if not use_subprocess:
            sys.stdout = self.stdout
            sys.stderr = self.stderr
            sys.stdin = self
        #
        self.history = self.History(self.text)
        #
        self.pollinterval = 50  # millisec

def get_standard_extension_names(self):
        return idleConf.GetExtensions(shell_only=True)

reading = False
    executing = False
    canceled = False
    endoffile = False
    closing = False

def set_warning_stream(self, stream):
        global warning_stream
        warning_stream = stream

def get_warning_stream(self):
        return warning_stream

def toggle_debugger(self, event=None):
        if self.executing:
            tkMessageBox.showerror("Don't debug now",
                "You can only toggle the debugger when idle",
                master=self.text)
            self.set_debugger_indicator()
            return "break"
        else:
            db = self.interp.getdebugger()
            if db:
                self.close_debugger()
            else:
                self.open_debugger()

def set_debugger_indicator(self):
        db = self.interp.getdebugger()
        self.setvar("<<toggle-debugger>>", not not db)

def toggle_jit_stack_viewer(self, event=None):
        pass # All we need is the variable

def close_debugger(self):
        db = self.interp.getdebugger()
        if db:
            self.interp.setdebugger(None)
            db.close()
            if self.interp.rpcclt:
                RemoteDebugger.close_remote_debugger(self.interp.rpcclt)
            self.resetoutput()
            self.console.write("[DEBUG OFF]\n")
            sys.ps1 = ">>> "
            self.showprompt()
        self.set_debugger_indicator()

def open_debugger(self):
        if self.interp.rpcclt:
            dbg_gui = RemoteDebugger.start_remote_debugger(self.interp.rpcclt,
                                                           self)
        else:
            dbg_gui = Debugger.Debugger(self)
        self.interp.setdebugger(dbg_gui)
        dbg_gui.load_breakpoints()
        sys.ps1 = "[DEBUG ON]\n>>> "
        self.showprompt()
        self.set_debugger_indicator()

def beginexecuting(self):
        "Helper for ModifiedInterpreter"
        self.resetoutput()
        self.executing = 1

def endexecuting(self):
        "Helper for ModifiedInterpreter"
        self.executing = 0
        self.canceled = 0
        self.showprompt()

def close(self):
        "Extend EditorWindow.close()"
        if self.executing:
            response = tkMessageBox.askokcancel(
                "Kill?",
                "The program is still running!\n Do you want to kill it?",
                default="ok",
                parent=self.text)
            if response is False:
                return "cancel"
        if self.reading:
            self.top.quit()
        self.canceled = True
        self.closing = True
        # Wait for poll_subprocess() rescheduling to stop
        self.text.after(2 * self.pollinterval, self.close2)

def close2(self):
        return EditorWindow.close(self)

def _close(self):
        "Extend EditorWindow._close(), shut down debugger and execution server"
        self.close_debugger()
        if use_subprocess:
            self.interp.kill_subprocess()
        # Restore std streams
        sys.stdout = self.save_stdout
        sys.stderr = self.save_stderr
        sys.stdin = self.save_stdin
        # Break cycles
        self.interp = None
        self.console = None
        self.flist.pyshell = None
        self.history = None
        EditorWindow._close(self)

def ispythonsource(self, filename):
        "Override EditorWindow method: never remove the colorizer"
        return True

def short_title(self):
        return self.shell_title

firewallmessage = """
    ****************************************************************
    Personal firewall software may warn about the connection IDLE
    makes to its subprocess using this computer's internal loopback
    interface.  This connection is not visible on any external
    interface and no data is sent to or received from the Internet.
    ****************************************************************
    """

def begin(self):
        self.resetoutput()
        if use_subprocess:
            nosub = ''
            client = self.interp.start_subprocess()
            if not client:
                self.close()
                return False
        else:
            nosub = "==== No Subprocess ===="
        self.write("Python %s on %s\n%s\n%s\nIDLE %s      %s\n" %
                   (sys.version, sys.platform, self.COPYRIGHT,
                    self.firewallmessage, idlever.IDLE_VERSION, nosub))
        self.showprompt()
        import Tkinter
        Tkinter._default_root = None # 03Jan04 KBK What's this?
        return True

def readline(self):
        save = self.reading
        try:
            self.reading = 1
            self.top.mainloop()  # nested mainloop()
        finally:
            self.reading = save
        line = self.text.get("iomark", "end-1c")
        if len(line) == 0:  # may be EOF if we quit our mainloop with Ctrl-C
            line = "\n"
        if isinstance(line, unicode):
            from idlelib import IOBinding
            try:
                line = line.encode(IOBinding.encoding)
            except UnicodeError:
                pass
        self.resetoutput()
        if self.canceled:
            self.canceled = 0
            if not use_subprocess:
                raise KeyboardInterrupt
        if self.endoffile:
            self.endoffile = 0
            line = ""
        return line

def isatty(self):
        return True

def cancel_callback(self, event=None):
        try:
            if self.text.compare("sel.first", "!=", "sel.last"):
                return # Active selection -- always use default binding
        except:
            pass
        if not (self.executing or self.reading):
            self.resetoutput()
            self.interp.write("KeyboardInterrupt\n")
            self.showprompt()
            return "break"
        self.endoffile = 0
        self.canceled = 1
        if (self.executing and self.interp.rpcclt):
            if self.interp.getdebugger():
                self.interp.restart_subprocess()
            else:
                self.interp.interrupt_subprocess()
        if self.reading:
            self.top.quit()  # exit the nested mainloop() in readline()
        return "break"

def eof_callback(self, event):
        if self.executing and not self.reading:
            return # Let the default binding (delete next char) take over
        if not (self.text.compare("iomark", "==", "insert") and
                self.text.compare("insert", "==", "end-1c")):
            return # Let the default binding (delete next char) take over
        if not self.executing:
            self.resetoutput()
            self.close()
        else:
            self.canceled = 0
            self.endoffile = 1
            self.top.quit()
        return "break"

def linefeed_callback(self, event):
        # Insert a linefeed without entering anything (still autoindented)
        if self.reading:
            self.text.insert("insert", "\n")
            self.text.see("insert")
        else:
            self.newline_and_indent_event(event)
        return "break"

def enter_callback(self, event):
        if self.executing and not self.reading:
            return # Let the default binding (insert '\n') take over
        # If some text is selected, recall the selection
        # (but only if this before the I/O mark)
        try:
            sel = self.text.get("sel.first", "sel.last")
            if sel:
                if self.text.compare("sel.last", "<=", "iomark"):
                    self.recall(sel, event)
                    return "break"
        except:
            pass
        # If we're strictly before the line containing iomark, recall
        # the current line, less a leading prompt, less leading or
        # trailing whitespace
        if self.text.compare("insert", "<", "iomark linestart"):
            # Check if there's a relevant stdin range -- if so, use it
            prev = self.text.tag_prevrange("stdin", "insert")
            if prev and self.text.compare("insert", "<", prev[1]):
                self.recall(self.text.get(prev[0], prev[1]), event)
                return "break"
            next = self.text.tag_nextrange("stdin", "insert")
            if next and self.text.compare("insert lineend", ">=", next[0]):
                self.recall(self.text.get(next[0], next[1]), event)
                return "break"
            # No stdin mark -- just get the current line, less any prompt
            indices = self.text.tag_nextrange("console", "insert linestart")
            if indices and \
               self.text.compare(indices[0], "<=", "insert linestart"):
                self.recall(self.text.get(indices[1], "insert lineend"), event)
            else:
                self.recall(self.text.get("insert linestart", "insert lineend"), event)
            return "break"
        # If we're between the beginning of the line and the iomark, i.e.
        # in the prompt area, move to the end of the prompt
        if self.text.compare("insert", "<", "iomark"):
            self.text.mark_set("insert", "iomark")
        # If we're in the current input and there's only whitespace
        # beyond the cursor, erase that whitespace first
        s = self.text.get("insert", "end-1c")
        if s and not s.strip():
            self.text.delete("insert", "end-1c")
        # If we're in the current input before its last line,
        # insert a newline right at the insert point
        if self.text.compare("insert", "<", "end-1c linestart"):
            self.newline_and_indent_event(event)
            return "break"
        # We're in the last line; append a newline and submit it
        self.text.mark_set("insert", "end-1c")
        if self.reading:
            self.text.insert("insert", "\n")
            self.text.see("insert")
        else:
            self.newline_and_indent_event(event)
        self.text.tag_add("stdin", "iomark", "end-1c")
        self.text.update_idletasks()
        if self.reading:
            self.top.quit() # Break out of recursive mainloop() in raw_input()
        else:
            self.runit()
        return "break"

def recall(self, s, event):
        # remove leading and trailing empty or whitespace lines
        s = re.sub(r'^\s*\n', '' , s)
        s = re.sub(r'\n\s*$', '', s)
        lines = s.split('\n')
        self.text.undo_block_start()
        try:
            self.text.tag_remove("sel", "1.0", "end")
            self.text.mark_set("insert", "end-1c")
            prefix = self.text.get("insert linestart", "insert")
            if prefix.rstrip().endswith(':'):
                self.newline_and_indent_event(event)
                prefix = self.text.get("insert linestart", "insert")
            self.text.insert("insert", lines[0].strip())
            if len(lines) > 1:
                orig_base_indent = re.search(r'^([ \t]*)', lines[0]).group(0)
                new_base_indent  = re.search(r'^([ \t]*)', prefix).group(0)
                for line in lines[1:]:
                    if line.startswith(orig_base_indent):
                        # replace orig base indentation with new indentation
                        line = new_base_indent + line[len(orig_base_indent):]
                    self.text.insert('insert', '\n'+line.rstrip())
        finally:
            self.text.see("insert")
            self.text.undo_block_stop()

def runit(self):
        line = self.text.get("iomark", "end-1c")
        # Strip off last newline and surrounding whitespace.
        # (To allow you to hit return twice to end a statement.)
        i = len(line)
        while i > 0 and line[i-1] in " \t":
            i = i-1
        if i > 0 and line[i-1] == "\n":
            i = i-1
        while i > 0 and line[i-1] in " \t":
            i = i-1
        line = line[:i]
        more = self.interp.runsource(line)

def open_stack_viewer(self, event=None):
        if self.interp.rpcclt:
            return self.interp.remote_stack_viewer()
        try:
            sys.last_traceback
        except:
            tkMessageBox.showerror("No stack trace",
                "There is no stack trace yet.\n"
                "(sys.last_traceback is not defined)",
                master=self.text)
            return
        from idlelib.StackViewer import StackBrowser
        sv = StackBrowser(self.root, self.flist)

def view_restart_mark(self, event=None):
        self.text.see("iomark")
        self.text.see("restart")

def restart_shell(self, event=None):
        self.interp.restart_subprocess()

def showprompt(self):
        self.resetoutput()
        try:
            s = str(sys.ps1)
        except:
            s = ""
        self.console.write(s)
        self.text.mark_set("insert", "end-1c")
        self.set_line_and_column()
        self.io.reset_undo()

def resetoutput(self):
        source = self.text.get("iomark", "end-1c")
        if self.history:
            self.history.history_store(source)
        if self.text.get("end-2c") != "\n":
            self.text.insert("end-1c", "\n")
        self.text.mark_set("iomark", "end-1c")
        self.set_line_and_column()
        sys.stdout.softspace = 0

def write(self, s, tags=()):
        try:
            self.text.mark_gravity("iomark", "right")
            OutputWindow.write(self, s, tags, "iomark")
            self.text.mark_gravity("iomark", "left")
        except:
            pass
        if self.canceled:
            self.canceled = 0
            if not use_subprocess:
                raise KeyboardInterrupt

class PseudoFile(object):

def __init__(self, shell, tags, encoding=None):
        self.shell = shell
        self.tags = tags
        self.softspace = 0
        self.encoding = encoding

def write(self, s):
        self.shell.write(s, self.tags)

def writelines(self, lines):
        for line in lines:
            self.write(line)

def flush(self):
        pass

def isatty(self):
        return True

usage_msg = """\

USAGE: idle  [-deins] [-t title] [file]*
       idle  [-dns] [-t title] (-c cmd | -r file) [arg]*
       idle  [-dns] [-t title] - [arg]*

-h         print this help message and exit
  -n         run IDLE without a subprocess (see Help/IDLE Help for details)

The following options will override the IDLE 'settings' configuration:

-e         open an edit window
  -i         open a shell window

The following options imply -i and will open a shell:

-c cmd     run the command in a shell, or
  -r file    run script from file

-d         enable the debugger
  -s         run $IDLESTARTUP or $PYTHONSTARTUP before anything else
  -t title   set title of shell window

A default edit window will be bypassed when -c, -r, or - are used.

[arg]* are passed to the command (-c) or script (-r) in sys.argv[1:].

Examples:

idle
        Open an edit window or shell depending on IDLE's configuration.

idle foo.py foobar.py
        Edit the files, also open a shell if configured to start with shell.

idle -est "Baz" foo.py
        Run $IDLESTARTUP or $PYTHONSTARTUP, edit foo.py, and open a shell
        window with the title "Baz".

idle -c "import sys; print sys.argv" "foo"
        Open a shell window and run the command, passing "-c" in sys.argv[0]
        and "foo" in sys.argv[1].

idle -d -s -r foo.py "Hello World"
        Open a shell window, run a startup script, enable the debugger, and
        run foo.py, passing "foo.py" in sys.argv[0] and "Hello World" in
        sys.argv[1].

echo "import sys; print sys.argv" | idle - "foobar"
        Open a shell window, run the script piped in, passing '' in sys.argv[0]
        and "foobar" in sys.argv[1].
"""

def main():
    global flist, root, use_subprocess

use_subprocess = True
    enable_shell = True
    enable_edit = False
    debug = False
    cmd = None
    script = None
    startup = False
    try:
        opts, args = getopt.getopt(sys.argv[1:], "c:deihnr:st:")
    except getopt.error, msg:
        sys.stderr.write("Error: %s\n" % str(msg))
        sys.stderr.write(usage_msg)
        sys.exit(2)
    for o, a in opts:
        if o == '-c':
            cmd = a
            enable_shell = True
        if o == '-d':
            debug = True
            enable_shell = True
        if o == '-e':
            enable_edit = True
            enable_shell = False
        if o == '-h':
            sys.stdout.write(usage_msg)
            sys.exit()
        if o == '-i':
            enable_shell = True
        if o == '-n':
            use_subprocess = False
        if o == '-r':
            script = a
            if os.path.isfile(script):
                pass
            else:
                print "No script file: ", script
                sys.exit()
            enable_shell = True
        if o == '-s':
            startup = True
            enable_shell = True
        if o == '-t':
            PyShell.shell_title = a
            enable_shell = True
    if args and args[0] == '-':
        cmd = sys.stdin.read()
        enable_shell = True
    # process sys.argv and sys.path:
    for i in range(len(sys.path)):
        sys.path[i] = os.path.abspath(sys.path[i])
    if args and args[0] == '-':
        sys.argv = [''] + args[1:]
    elif cmd:
        sys.argv = ['-c'] + args
    elif script:
        sys.argv = [script] + args
    elif args:
        enable_edit = True
        pathx = []
        for filename in args:
            pathx.append(os.path.dirname(filename))
        for dir in pathx:
            dir = os.path.abspath(dir)
            if dir not in sys.path:
                sys.path.insert(0, dir)
    else:
        dir = os.getcwd()
        if not dir in sys.path:
            sys.path.insert(0, dir)
    # check the IDLE settings configuration (but command line overrides)
    edit_start = idleConf.GetOption('main', 'General',
                                    'editor-on-startup', type='bool')
    enable_edit = enable_edit or edit_start
    # start editor and/or shell windows:
    root = Tk(className="Idle")

fixwordbreaks(root)
    root.withdraw()
    flist = PyShellFileList(root)
    macosxSupport.setupApp(root, flist)

if enable_edit:
        if not (cmd or script):
            for filename in args:
                flist.open(filename)
            if not args:
                flist.new()
    if enable_shell:
        shell = flist.open_shell()
        if not shell:
            return # couldn't open shell

if macosxSupport.runningAsOSXApp() and flist.dict:
            # On OSX: when the user has double-clicked on a file that causes
            # IDLE to be launched the shell window will open just in front of
            # the file she wants to see. Lower the interpreter window when
            # there are open files.
            shell.top.lower()

shell = flist.pyshell
    # handle remaining options:
    if debug:
        shell.open_debugger()
    if startup:
        filename = os.environ.get("IDLESTARTUP") or \
                   os.environ.get("PYTHONSTARTUP")
        if filename and os.path.isfile(filename):
            shell.interp.execfile(filename)
    if shell and cmd or script:
        shell.interp.runcommand("""if 1:
            import sys as _sys
            _sys.argv = %r
            del _sys
            \n""" % (sys.argv,))
        if cmd:
            shell.interp.execsource(cmd)
        elif script:
            shell.interp.prepend_syspath(script)
            shell.interp.execfile(script)

root.mainloop()
    root.destroy()

if __name__ == "__main__":
    sys.modules['PyShell'] = sys.modules['__main__']
    main()

cmd: