1001 lines
33 KiB
Python
1001 lines
33 KiB
Python
#! /usr/bin/env python
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import os
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import sys
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import string
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import getopt
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import re
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import socket
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import time
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import traceback
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import types
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import warnings
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import linecache
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from code import InteractiveInterpreter
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from Tkinter import *
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import tkMessageBox
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from EditorWindow import EditorWindow, fixwordbreaks
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from FileList import FileList
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from ColorDelegator import ColorDelegator
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from UndoDelegator import UndoDelegator
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from OutputWindow import OutputWindow
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from configHandler import idleConf
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import idlever
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import rpc
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import RemoteDebugger
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IDENTCHARS = string.ascii_letters + string.digits + "_"
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# XX hardwire this for now, remove later KBK 09Jun02
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use_subprocess = 1 # Set to 1 to spawn subprocess for command execution
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# Change warnings module to write to sys.__stderr__
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try:
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import warnings
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except ImportError:
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pass
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else:
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def idle_showwarning(message, category, filename, lineno):
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file = sys.__stderr__
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file.write(warnings.formatwarning(message, category, filename, lineno))
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warnings.showwarning = idle_showwarning
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# We need to patch linecache.checkcache, because we don't want it
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# to throw away our <pyshell#...> entries.
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# Rather than repeating its code here, we save those entries,
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# then call the original function, and then restore the saved entries.
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def linecache_checkcache(orig_checkcache=linecache.checkcache):
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cache = linecache.cache
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save = {}
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for filename in cache.keys():
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if filename[:1] + filename[-1:] == '<>':
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save[filename] = cache[filename]
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orig_checkcache()
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cache.update(save)
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linecache.checkcache = linecache_checkcache
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class PyShellEditorWindow(EditorWindow):
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"Regular text edit window when a shell is present"
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# XXX ought to merge with regular editor window
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def __init__(self, *args):
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apply(EditorWindow.__init__, (self,) + args)
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self.text.bind("<<set-breakpoint-here>>", self.set_breakpoint_here)
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self.text.bind("<<clear-breakpoint-here>>",
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self.clear_breakpoint_here)
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self.text.bind("<<open-python-shell>>", self.flist.open_shell)
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rmenu_specs = [
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("Set Breakpoint", "<<set-breakpoint-here>>"),
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("Clear Breakpoint", "<<clear-breakpoint-here>>")
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]
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def set_breakpoint_here(self, event=None):
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if not self.flist.pyshell or not self.flist.pyshell.interp.debugger:
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self.text.bell()
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return
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self.flist.pyshell.interp.debugger.set_breakpoint_here(self)
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def clear_breakpoint_here(self, event=None):
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if not self.flist.pyshell or not self.flist.pyshell.interp.debugger:
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self.text.bell()
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return
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self.flist.pyshell.interp.debugger.clear_breakpoint_here(self)
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class PyShellFileList(FileList):
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"Extend base class: file list when a shell is present"
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EditorWindow = PyShellEditorWindow
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pyshell = None
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def open_shell(self, event=None):
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if self.pyshell:
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self.pyshell.wakeup()
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else:
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self.pyshell = PyShell(self)
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self.pyshell.begin()
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return self.pyshell
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class ModifiedColorDelegator(ColorDelegator):
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"Extend base class: colorizer for the shell window itself"
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def __init__(self):
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ColorDelegator.__init__(self)
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self.LoadTagDefs()
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def recolorize_main(self):
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self.tag_remove("TODO", "1.0", "iomark")
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self.tag_add("SYNC", "1.0", "iomark")
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ColorDelegator.recolorize_main(self)
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def LoadTagDefs(self):
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ColorDelegator.LoadTagDefs(self)
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theme = idleConf.GetOption('main','Theme','name')
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self.tagdefs.update({
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"stdin": {'background':None,'foreground':None},
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"stdout": idleConf.GetHighlight(theme, "stdout"),
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"stderr": idleConf.GetHighlight(theme, "stderr"),
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"console": idleConf.GetHighlight(theme, "console"),
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"ERROR": idleConf.GetHighlight(theme, "error"),
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None: idleConf.GetHighlight(theme, "normal"),
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})
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class ModifiedUndoDelegator(UndoDelegator):
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"Extend base class: forbid insert/delete before the I/O mark"
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def insert(self, index, chars, tags=None):
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try:
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if self.delegate.compare(index, "<", "iomark"):
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self.delegate.bell()
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return
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except TclError:
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pass
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UndoDelegator.insert(self, index, chars, tags)
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def delete(self, index1, index2=None):
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try:
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if self.delegate.compare(index1, "<", "iomark"):
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self.delegate.bell()
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return
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except TclError:
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pass
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UndoDelegator.delete(self, index1, index2)
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class ModifiedInterpreter(InteractiveInterpreter):
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def __init__(self, tkconsole):
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self.tkconsole = tkconsole
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locals = sys.modules['__main__'].__dict__
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InteractiveInterpreter.__init__(self, locals=locals)
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self.save_warnings_filters = None
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port = 8833
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rpcclt = None
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rpcpid = None
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def spawn_subprocess(self):
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w = ['-W' + s for s in sys.warnoptions]
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args = [self.find_executable()] + w \
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+ ["-c", "__import__('run').main()", str(self.port)]
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self.rpcpid = os.spawnv(os.P_NOWAIT, args[0], args)
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def find_executable(self):
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if sys.platform == 'darwin' and sys.executable.count('.app'):
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# On Mac OS X, avoid calling sys.executable because it ignores
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# command-line options (sys.executable is an applet)
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#
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# Instead, find the executable by looking relative to
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# sys.prefix.
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executable = os.path.join(sys.prefix, 'Resources',
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'Python.app', 'Contents', 'MacOS', 'python')
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return executable
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else:
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return sys.executable
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def start_subprocess(self):
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addr = ("localhost", self.port)
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self.spawn_subprocess()
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# Idle starts listening for connection on localhost
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for i in range(6):
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time.sleep(i)
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try:
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self.rpcclt = rpc.RPCClient(addr)
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break
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except socket.error, err:
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if i < 3:
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print>>sys.__stderr__, ". ",
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else:
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print>>sys.__stderr__,"\nIdle socket error: " + err[1]\
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+ ", retrying..."
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else:
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display_port_binding_error()
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return
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# Accept the connection from the Python execution server
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self.rpcclt.accept()
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self.rpcclt.register("stdin", self.tkconsole)
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self.rpcclt.register("stdout", self.tkconsole.stdout)
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self.rpcclt.register("stderr", self.tkconsole.stderr)
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self.rpcclt.register("flist", self.tkconsole.flist)
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self.poll_subprocess()
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def restart_subprocess(self):
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# close only the subprocess debugger
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db = self.getdebugger()
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if db:
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RemoteDebugger.close_subprocess_debugger(self.rpcclt)
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# kill subprocess, spawn a new one, accept connection
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self.rpcclt.close()
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self.spawn_subprocess()
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self.rpcclt.accept()
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# restart remote debugger
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if db:
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gui = RemoteDebugger.restart_subprocess_debugger(self.rpcclt)
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# reload remote debugger breakpoints
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pass # XXX KBK 04Sep02 TBD
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active_seq = None
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def poll_subprocess(self):
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clt = self.rpcclt
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if clt is None:
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return
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response = clt.pollresponse(self.active_seq)
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self.tkconsole.text.after(50, self.poll_subprocess)
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if response:
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self.tkconsole.resetoutput()
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self.active_seq = None
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how, what = response
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file = self.tkconsole.console
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if how == "OK":
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if what is not None:
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print >>file, `what`
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elif how == "EXCEPTION":
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mod, name, args, tb = what
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print >>file, 'Traceback (most recent call last):'
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while tb and tb[0][0] in ("run.py", "rpc.py"):
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del tb[0]
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while tb and tb[-1][0] in ("run.py", "rpc.py"):
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del tb[-1]
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for i in range(len(tb)):
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fn, ln, nm, line = tb[i]
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if not line and fn.startswith("<pyshell#"):
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line = linecache.getline(fn, ln)
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tb[i] = fn, ln, nm, line
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traceback.print_list(tb, file=file)
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if mod and mod != "exceptions":
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name = mod + "." + name
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print >>file, name + ":", " ".join(map(str, args))
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if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
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self.remote_stack_viewer()
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elif how == "ERROR":
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print >>sys.__stderr__, "Oops:", how, what
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print >>file, "Oops:", how, what
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self.tkconsole.endexecuting()
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def kill_subprocess(self):
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clt = self.rpcclt
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self.rpcclt = None
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if clt is not None:
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clt.close()
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def remote_stack_viewer(self):
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import RemoteObjectBrowser
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oid = self.rpcclt.remotecall("exec", "stackviewer", ("flist",), {})
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if oid is None:
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self.tkconsole.root.bell()
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return
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item = RemoteObjectBrowser.StubObjectTreeItem(self.rpcclt, oid)
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from TreeWidget import ScrolledCanvas, TreeNode
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top = Toplevel(self.tkconsole.root)
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sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
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sc.frame.pack(expand=1, fill="both")
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node = TreeNode(sc.canvas, None, item)
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node.expand()
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# XXX Should GC the remote tree when closing the window
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gid = 0
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def execsource(self, source):
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"Like runsource() but assumes complete exec source"
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filename = self.stuffsource(source)
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self.execfile(filename, source)
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def execfile(self, filename, source=None):
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"Execute an existing file"
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if source is None:
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source = open(filename, "r").read()
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try:
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code = compile(source, filename, "exec")
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except (OverflowError, SyntaxError):
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self.tkconsole.resetoutput()
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InteractiveInterpreter.showsyntaxerror(self, filename)
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else:
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self.runcode(code)
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def runsource(self, source):
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"Extend base class method: Stuff the source in the line cache first"
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filename = self.stuffsource(source)
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self.more = 0
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self.save_warnings_filters = warnings.filters[:]
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warnings.filterwarnings(action="error", category=SyntaxWarning)
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if isinstance(source, types.UnicodeType):
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import IOBinding
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try:
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source = source.encode(IOBinding.encoding)
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except UnicodeError:
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self.tkconsole.resetoutput()
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self.write("Unsupported characters in input")
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return
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try:
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return InteractiveInterpreter.runsource(self, source, filename)
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finally:
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if self.save_warnings_filters is not None:
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warnings.filters[:] = self.save_warnings_filters
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self.save_warnings_filters = None
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def stuffsource(self, source):
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"Stuff source in the filename cache"
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filename = "<pyshell#%d>" % self.gid
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self.gid = self.gid + 1
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lines = source.split("\n")
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linecache.cache[filename] = len(source)+1, 0, lines, filename
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return filename
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def showsyntaxerror(self, filename=None):
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"""Extend base class method: Add Colorizing
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Color the offending position instead of printing it and pointing at it
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with a caret.
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"""
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text = self.tkconsole.text
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stuff = self.unpackerror()
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if not stuff:
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self.tkconsole.resetoutput()
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InteractiveInterpreter.showsyntaxerror(self, filename)
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return
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msg, lineno, offset, line = stuff
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if lineno == 1:
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pos = "iomark + %d chars" % (offset-1)
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else:
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pos = "iomark linestart + %d lines + %d chars" % (lineno-1,
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offset-1)
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text.tag_add("ERROR", pos)
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text.see(pos)
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char = text.get(pos)
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if char and char in IDENTCHARS:
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text.tag_add("ERROR", pos + " wordstart", pos)
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self.tkconsole.resetoutput()
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self.write("SyntaxError: %s\n" % str(msg))
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def unpackerror(self):
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type, value, tb = sys.exc_info()
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ok = type is SyntaxError
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if ok:
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try:
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msg, (dummy_filename, lineno, offset, line) = value
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except:
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ok = 0
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if ok:
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return msg, lineno, offset, line
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else:
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return None
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def showtraceback(self):
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"Extend base class method to reset output properly"
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self.tkconsole.resetoutput()
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self.checklinecache()
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InteractiveInterpreter.showtraceback(self)
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if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
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self.tkconsole.open_stack_viewer()
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def checklinecache(self):
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c = linecache.cache
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for key in c.keys():
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if key[:1] + key[-1:] != "<>":
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del c[key]
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debugger = None
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def setdebugger(self, debugger):
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self.debugger = debugger
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def getdebugger(self):
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return self.debugger
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def display_executing_dialog(self):
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tkMessageBox.showerror(
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"Already executing",
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"The Python Shell window is already executing a command; "
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"please wait until it is finished.",
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master=self.tkconsole.text)
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def runcommand(self, code):
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"Run the code without invoking the debugger"
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# The code better not raise an exception!
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if self.tkconsole.executing:
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display_executing_dialog()
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return 0
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if self.rpcclt:
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self.rpcclt.remotecall("exec", "runcode", (code,), {})
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else:
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exec code in self.locals
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return 1
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def runcode(self, code):
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"Override base class method"
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if self.tkconsole.executing:
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display_executing_dialog()
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return
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self.checklinecache()
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if self.save_warnings_filters is not None:
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warnings.filters[:] = self.save_warnings_filters
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self.save_warnings_filters = None
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debugger = self.debugger
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if not debugger and self.rpcclt is not None:
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self.tkconsole.beginexecuting()
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self.active_seq = self.rpcclt.asynccall("exec", "runcode",
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(code,), {})
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return
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try:
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self.tkconsole.beginexecuting()
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try:
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if debugger:
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debugger.run(code, self.locals)
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else:
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exec code in self.locals
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except SystemExit:
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if tkMessageBox.askyesno(
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"Exit?",
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"Do you want to exit altogether?",
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default="yes",
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master=self.tkconsole.text):
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raise
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else:
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self.showtraceback()
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except:
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self.showtraceback()
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finally:
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self.tkconsole.endexecuting()
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def write(self, s):
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"Override base class method"
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self.tkconsole.console.write(s)
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class PyShell(OutputWindow):
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shell_title = "Python Shell"
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# Override classes
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ColorDelegator = ModifiedColorDelegator
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UndoDelegator = ModifiedUndoDelegator
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# Override menus: Run and Format not desired in shell; add Debug
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menu_specs = [
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("file", "_File"),
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("edit", "_Edit"),
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("debug", "_Debug"),
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("settings", "_Settings"),
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("windows", "_Windows"),
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("help", "_Help"),
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]
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# New classes
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from IdleHistory import History
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def __init__(self, flist=None):
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self.interp = ModifiedInterpreter(self)
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if flist is None:
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root = Tk()
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fixwordbreaks(root)
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root.withdraw()
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flist = PyShellFileList(root)
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#
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OutputWindow.__init__(self, flist, None, None)
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#
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import __builtin__
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__builtin__.quit = __builtin__.exit = "To exit, type Ctrl-D."
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#
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self.config(usetabs=1, indentwidth=8, context_use_ps1=1)
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#
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text = self.text
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text.configure(wrap="char")
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text.bind("<<newline-and-indent>>", self.enter_callback)
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text.bind("<<plain-newline-and-indent>>", self.linefeed_callback)
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text.bind("<<interrupt-execution>>", self.cancel_callback)
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text.bind("<<beginning-of-line>>", self.home_callback)
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text.bind("<<end-of-file>>", self.eof_callback)
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text.bind("<<open-stack-viewer>>", self.open_stack_viewer)
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text.bind("<<toggle-debugger>>", self.toggle_debugger)
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text.bind("<<open-python-shell>>", self.flist.open_shell)
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text.bind("<<toggle-jit-stack-viewer>>", self.toggle_jit_stack_viewer)
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#
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self.save_stdout = sys.stdout
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self.save_stderr = sys.stderr
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self.save_stdin = sys.stdin
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self.stdout = PseudoFile(self, "stdout")
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self.stderr = PseudoFile(self, "stderr")
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self.console = PseudoFile(self, "console")
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if not use_subprocess:
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sys.stdout = self.stdout
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sys.stderr = self.stderr
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sys.stdin = self
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#
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self.history = self.History(self.text)
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#
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if use_subprocess:
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self.interp.start_subprocess()
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reading = 0
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executing = 0
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canceled = 0
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endoffile = 0
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|
|
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):
|
|
# XXX KBK 13Jun02 An RPC client always exists now? Open remote
|
|
# debugger and return...dike the rest of this fcn and combine
|
|
# with open_remote_debugger?
|
|
if self.interp.rpcclt:
|
|
return self.open_remote_debugger()
|
|
import Debugger
|
|
self.interp.setdebugger(Debugger.Debugger(self))
|
|
sys.ps1 = "[DEBUG ON]\n>>> "
|
|
self.showprompt()
|
|
self.set_debugger_indicator()
|
|
|
|
def open_remote_debugger(self):
|
|
gui = RemoteDebugger.start_remote_debugger(self.interp.rpcclt, self)
|
|
self.interp.setdebugger(gui)
|
|
sys.ps1 = "[DEBUG ON]\n>>> "
|
|
self.showprompt()
|
|
self.set_debugger_indicator()
|
|
|
|
def beginexecuting(self):
|
|
"Helper for ModifiedInterpreter"
|
|
self.resetoutput()
|
|
self.executing = 1
|
|
##self._cancel_check = self.cancel_check
|
|
##sys.settrace(self._cancel_check)
|
|
|
|
def endexecuting(self):
|
|
"Helper for ModifiedInterpreter"
|
|
##sys.settrace(None)
|
|
##self._cancel_check = None
|
|
self.executing = 0
|
|
self.canceled = 0
|
|
self.showprompt()
|
|
|
|
def close(self):
|
|
"Extend EditorWindow.close()"
|
|
if self.executing:
|
|
# XXX Need to ask a question here
|
|
if not tkMessageBox.askokcancel(
|
|
"Kill?",
|
|
"The program is still running; do you want to kill it?",
|
|
default="ok",
|
|
master=self.text):
|
|
return "cancel"
|
|
self.canceled = 1
|
|
if self.reading:
|
|
self.top.quit()
|
|
return "cancel"
|
|
return EditorWindow.close(self)
|
|
|
|
def _close(self):
|
|
"Extend EditorWindow._close(), shut down debugger and execution server"
|
|
self.close_debugger()
|
|
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
|
|
|
|
COPYRIGHT = \
|
|
'Type "copyright", "credits" or "license" for more information.'
|
|
|
|
def begin(self):
|
|
self.resetoutput()
|
|
self.write("Python %s on %s\n%s\nGRPC IDLE Fork %s\n" %
|
|
(sys.version, sys.platform, self.COPYRIGHT,
|
|
idlever.IDLE_VERSION))
|
|
try:
|
|
sys.ps1
|
|
except AttributeError:
|
|
sys.ps1 = ">>> "
|
|
self.showprompt()
|
|
import Tkinter
|
|
Tkinter._default_root = None
|
|
|
|
def interact(self):
|
|
self.begin()
|
|
self.top.mainloop()
|
|
|
|
def readline(self):
|
|
save = self.reading
|
|
try:
|
|
self.reading = 1
|
|
self.top.mainloop()
|
|
finally:
|
|
self.reading = save
|
|
line = self.text.get("iomark", "end-1c")
|
|
self.resetoutput()
|
|
if self.canceled:
|
|
self.canceled = 0
|
|
raise KeyboardInterrupt
|
|
if self.endoffile:
|
|
self.endoffile = 0
|
|
return ""
|
|
return line
|
|
|
|
def isatty(self):
|
|
return True
|
|
|
|
def cancel_callback(self, event):
|
|
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.write("KeyboardInterrupt\n")
|
|
self.showprompt()
|
|
return "break"
|
|
self.endoffile = 0
|
|
if self.reading:
|
|
self.canceled = 1
|
|
self.top.quit()
|
|
elif (self.executing and self.interp.rpcclt and
|
|
self.interp.rpcpid and hasattr(os, "kill")):
|
|
try:
|
|
from signal import SIGINT
|
|
except ImportError:
|
|
SIGINT = 2
|
|
os.kill(self.interp.rpcpid, SIGINT)
|
|
else:
|
|
self.canceled = 1
|
|
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 home_callback(self, event):
|
|
if event.state != 0 and event.keysym == "Home":
|
|
return # <Modifier-Home>; fall back to class binding
|
|
if self.text.compare("iomark", "<=", "insert") and \
|
|
self.text.compare("insert linestart", "<=", "iomark"):
|
|
self.text.mark_set("insert", "iomark")
|
|
self.text.tag_remove("sel", "1.0", "end")
|
|
self.text.see("insert")
|
|
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.auto_indent(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)
|
|
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]))
|
|
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]))
|
|
return "break"
|
|
# No stdin mark -- just get the current line
|
|
self.recall(self.text.get("insert linestart", "insert lineend"))
|
|
return "break"
|
|
# 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.auto_indent(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.auto_indent(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):
|
|
if self.history:
|
|
self.history.recall(s)
|
|
|
|
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 cancel_check(self, frame, what, args,
|
|
dooneevent=tkinter.dooneevent,
|
|
dontwait=tkinter.DONT_WAIT):
|
|
# Hack -- use the debugger hooks to be able to handle events
|
|
# and interrupt execution at any time.
|
|
# This slows execution down quite a bit, so you may want to
|
|
# disable this (by not calling settrace() in runcode() above)
|
|
# for full-bore (uninterruptable) speed.
|
|
# XXX This should become a user option.
|
|
if self.canceled:
|
|
return
|
|
dooneevent(dontwait)
|
|
if self.canceled:
|
|
self.canceled = 0
|
|
raise KeyboardInterrupt
|
|
return self._cancel_check
|
|
|
|
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 StackViewer import StackBrowser
|
|
sv = StackBrowser(self.root, self.flist)
|
|
|
|
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=()):
|
|
self.text.mark_gravity("iomark", "right")
|
|
OutputWindow.write(self, s, tags, "iomark")
|
|
self.text.mark_gravity("iomark", "left")
|
|
if self.canceled:
|
|
self.canceled = 0
|
|
raise KeyboardInterrupt
|
|
|
|
class PseudoFile:
|
|
|
|
def __init__(self, shell, tags):
|
|
self.shell = shell
|
|
self.tags = tags
|
|
self.softspace = 0
|
|
|
|
def write(self, s):
|
|
self.shell.write(s, self.tags)
|
|
|
|
def writelines(self, l):
|
|
map(self.write, l)
|
|
|
|
def flush(self):
|
|
pass
|
|
|
|
def isatty(self):
|
|
return True
|
|
|
|
|
|
usage_msg = """\
|
|
usage: idle.py [-c command] [-d] [-i] [-r script] [-s] [-t title] [arg] ...
|
|
|
|
idle file(s) (without options) edit the file(s)
|
|
|
|
-c cmd run the command in a shell
|
|
-d enable the debugger
|
|
-e edit mode; arguments are files to be edited
|
|
-i open an interactive shell
|
|
-i file(s) open a shell and also an editor window for each file
|
|
-r
|
|
-s run $IDLESTARTUP or $PYTHONSTARTUP before anything else
|
|
-t title set title of shell window
|
|
|
|
Remaining arguments are applied to the command (-c) or script (-r).
|
|
"""
|
|
|
|
def main():
|
|
cmd = None
|
|
edit = 0
|
|
debug = 0
|
|
script = None
|
|
startup = 0
|
|
|
|
try:
|
|
opts, args = getopt.getopt(sys.argv[1:], "c:deir: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
|
|
if o == '-d':
|
|
debug = 1
|
|
if o == '-e':
|
|
edit = 1
|
|
if o == '-r':
|
|
script = a
|
|
if o == '-s':
|
|
startup = 1
|
|
if o == '-t':
|
|
PyShell.shell_title = a
|
|
|
|
if args and args[0] != "-": edit = 1
|
|
|
|
for i in range(len(sys.path)):
|
|
sys.path[i] = os.path.abspath(sys.path[i])
|
|
|
|
pathx = []
|
|
if edit:
|
|
for filename in args:
|
|
pathx.append(os.path.dirname(filename))
|
|
elif args and args[0] != "-":
|
|
pathx.append(os.path.dirname(args[0]))
|
|
else:
|
|
pathx.append(os.curdir)
|
|
for dir in pathx:
|
|
dir = os.path.abspath(dir)
|
|
if not dir in sys.path:
|
|
sys.path.insert(0, dir)
|
|
|
|
global flist, root
|
|
root = Tk(className="Idle")
|
|
fixwordbreaks(root)
|
|
root.withdraw()
|
|
flist = PyShellFileList(root)
|
|
|
|
if edit:
|
|
for filename in args:
|
|
flist.open(filename)
|
|
if not args:
|
|
flist.new()
|
|
else:
|
|
if cmd:
|
|
sys.argv = ["-c"] + args
|
|
else:
|
|
sys.argv = args or [""]
|
|
|
|
shell = PyShell(flist)
|
|
interp = shell.interp
|
|
flist.pyshell = shell
|
|
|
|
if startup:
|
|
filename = os.environ.get("IDLESTARTUP") or \
|
|
os.environ.get("PYTHONSTARTUP")
|
|
if filename and os.path.isfile(filename):
|
|
interp.execfile(filename)
|
|
|
|
if debug:
|
|
shell.open_debugger()
|
|
if cmd:
|
|
interp.execsource(cmd)
|
|
elif script:
|
|
if os.path.isfile(script):
|
|
interp.execfile(script)
|
|
else:
|
|
print "No script file: ", script
|
|
shell.begin()
|
|
root.mainloop()
|
|
root.destroy()
|
|
|
|
def display_port_binding_error():
|
|
print """\
|
|
IDLE cannot run.
|
|
|
|
IDLE needs to use a specific TCP/IP port (8833) in order to execute and
|
|
debug programs. IDLE is unable to bind to this port, and so cannot
|
|
start. Here are some possible causes of this problem:
|
|
|
|
1. TCP/IP networking is not installed or not working on this computer
|
|
2. Another program is running that uses this port
|
|
3. Personal firewall software is preventing IDLE from using this port
|
|
|
|
IDLE makes and accepts connections only with this computer, and does not
|
|
communicate over the internet in any way. Its use of port 8833 should not
|
|
be a security risk on a single-user machine.
|
|
"""
|
|
|
|
if __name__ == "__main__":
|
|
main()
|