mirror of
https://github.com/python/cpython.git
synced 2024-11-24 17:47:13 +01:00
301ab7f2d0
Was getting mystery
ModifiedInterpreter instance has no attribute 'save_warnings_filters'
errors at odd times (for sure in a fresh IDLE, fresh file, then Run Script).
783 lines
24 KiB
Python
783 lines
24 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 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 IdleConf import idleconf
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import idlever
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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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# Note: <<newline-and-indent>> event is defined in AutoIndent.py
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#$ event <<plain-newline-and-indent>>
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#$ win <Control-j>
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#$ unix <Control-j>
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#$ event <<beginning-of-line>>
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#$ win <Control-a>
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#$ win <Home>
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#$ unix <Control-a>
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#$ unix <Home>
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#$ event <<history-next>>
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#$ win <Alt-n>
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#$ unix <Alt-n>
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#$ event <<history-previous>>
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#$ win <Alt-p>
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#$ unix <Alt-p>
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#$ event <<interrupt-execution>>
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#$ win <Control-c>
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#$ unix <Control-c>
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#$ event <<end-of-file>>
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#$ win <Control-d>
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#$ unix <Control-d>
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#$ event <<open-stack-viewer>>
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#$ event <<toggle-debugger>>
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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("<<open-python-shell>>", self.flist.open_shell)
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rmenu_specs = [
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("Set breakpoint here", "<<set-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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class PyShellFileList(FileList):
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# 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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# Colorizer for the shell window itself
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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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tagdefs = ColorDelegator.tagdefs.copy()
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cconf = idleconf.getsection('Colors')
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tagdefs.update({
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"stdin": cconf.getcolor("stdin"),
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"stdout": cconf.getcolor("stdout"),
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"stderr": cconf.getcolor("stderr"),
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"console": cconf.getcolor("console"),
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"ERROR": cconf.getcolor("ERROR"),
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None: cconf.getcolor("normal"),
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})
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class ModifiedUndoDelegator(UndoDelegator):
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# 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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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 to 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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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 = string.split(source, "\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 to color the offending position
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# (instead of printing it and pointing at it with a caret)
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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 string.letters + string.digits + "_":
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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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text = self.tkconsole.text
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self.tkconsole.resetoutput()
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self.checklinecache()
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InteractiveInterpreter.showtraceback(self)
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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 runcode(self, code):
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# Override base class method
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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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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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if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
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self.tkconsole.open_stack_viewer()
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except:
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self.showtraceback()
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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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finally:
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self.tkconsole.endexecuting()
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def write(self, s):
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# Override base class write
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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 menu bar specs
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menu_specs = PyShellEditorWindow.menu_specs[:]
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menu_specs.insert(len(menu_specs)-2, ("debug", "_Debug"))
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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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OutputWindow.__init__(self, flist, None, None)
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import __builtin__
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__builtin__.quit = __builtin__.exit = "To exit, type Ctrl-D."
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self.auto = self.extensions["AutoIndent"] # Required extension
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self.auto.config(usetabs=1, indentwidth=8, context_use_ps1=1)
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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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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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sys.stdout = PseudoFile(self, "stdout")
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sys.stderr = PseudoFile(self, "stderr")
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sys.stdin = self
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self.console = PseudoFile(self, "console")
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self.history = self.History(self.text)
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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):
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if self.executing:
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tkMessageBox.showerror("Don't debug now",
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"You can only toggle the debugger when idle",
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master=self.text)
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self.set_debugger_indicator()
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return "break"
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else:
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db = self.interp.getdebugger()
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if db:
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self.close_debugger()
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else:
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self.open_debugger()
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def set_debugger_indicator(self):
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db = self.interp.getdebugger()
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self.setvar("<<toggle-debugger>>", not not db)
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def toggle_jit_stack_viewer( self, event=None):
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pass # All we need is the variable
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def close_debugger(self):
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db = self.interp.getdebugger()
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if db:
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self.interp.setdebugger(None)
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db.close()
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self.resetoutput()
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self.console.write("[DEBUG OFF]\n")
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sys.ps1 = ">>> "
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self.showprompt()
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self.set_debugger_indicator()
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def open_debugger(self):
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import Debugger
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self.interp.setdebugger(Debugger.Debugger(self))
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sys.ps1 = "[DEBUG ON]\n>>> "
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self.showprompt()
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self.set_debugger_indicator()
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def beginexecuting(self):
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# Helper for ModifiedInterpreter
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self.resetoutput()
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self.executing = 1
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##self._cancel_check = self.cancel_check
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##sys.settrace(self._cancel_check)
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def endexecuting(self):
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# Helper for ModifiedInterpreter
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##sys.settrace(None)
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##self._cancel_check = None
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self.executing = 0
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self.canceled = 0
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def close(self):
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# Extend base class method
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if self.executing:
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# XXX Need to ask a question here
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if not tkMessageBox.askokcancel(
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"Kill?",
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"The program is still running; do you want to kill it?",
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default="ok",
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master=self.text):
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return "cancel"
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self.canceled = 1
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if self.reading:
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self.top.quit()
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return "cancel"
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return PyShellEditorWindow.close(self)
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def _close(self):
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self.close_debugger()
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# Restore std streams
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sys.stdout = self.save_stdout
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sys.stderr = self.save_stderr
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sys.stdin = self.save_stdin
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# Break cycles
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self.interp = None
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self.console = None
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self.auto = None
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self.flist.pyshell = None
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self.history = None
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OutputWindow._close(self) # Really EditorWindow._close
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def ispythonsource(self, filename):
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# Override this so EditorWindow never removes the colorizer
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return 1
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def short_title(self):
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return self.shell_title
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COPYRIGHT = \
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'Type "copyright", "credits" or "license" for more information.'
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def begin(self):
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self.resetoutput()
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self.write("Python %s on %s\n%s\nIDLE %s -- press F1 for help\n" %
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(sys.version, sys.platform, self.COPYRIGHT,
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idlever.IDLE_VERSION))
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try:
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sys.ps1
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except AttributeError:
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sys.ps1 = ">>> "
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self.showprompt()
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import Tkinter
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Tkinter._default_root = None
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def interact(self):
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self.begin()
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self.top.mainloop()
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def readline(self):
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save = self.reading
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try:
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self.reading = 1
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self.top.mainloop()
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finally:
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self.reading = save
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line = self.text.get("iomark", "end-1c")
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self.resetoutput()
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if self.canceled:
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self.canceled = 0
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raise KeyboardInterrupt
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if self.endoffile:
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self.endoffile = 0
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return ""
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return line
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def isatty(self):
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return 1
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def cancel_callback(self, event):
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try:
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if self.text.compare("sel.first", "!=", "sel.last"):
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return # Active selection -- always use default binding
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except:
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pass
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if not (self.executing or self.reading):
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self.resetoutput()
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self.write("KeyboardInterrupt\n")
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self.showprompt()
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return "break"
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self.endoffile = 0
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self.canceled = 1
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if self.reading:
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self.top.quit()
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return "break"
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def eof_callback(self, event):
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if self.executing and not self.reading:
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return # Let the default binding (delete next char) take over
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if not (self.text.compare("iomark", "==", "insert") and
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self.text.compare("insert", "==", "end-1c")):
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return # Let the default binding (delete next char) take over
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if not self.executing:
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## if not tkMessageBox.askokcancel(
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## "Exit?",
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## "Are you sure you want to exit?",
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## default="ok", master=self.text):
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## return "break"
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self.resetoutput()
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self.close()
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else:
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self.canceled = 0
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self.endoffile = 1
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self.top.quit()
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return "break"
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def home_callback(self, event):
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if event.state != 0 and event.keysym == "Home":
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return # <Modifier-Home>; fall back to class binding
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if self.text.compare("iomark", "<=", "insert") and \
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self.text.compare("insert linestart", "<=", "iomark"):
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self.text.mark_set("insert", "iomark")
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self.text.tag_remove("sel", "1.0", "end")
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self.text.see("insert")
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return "break"
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def linefeed_callback(self, event):
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# Insert a linefeed without entering anything (still autoindented)
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if self.reading:
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self.text.insert("insert", "\n")
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self.text.see("insert")
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else:
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self.auto.auto_indent(event)
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|
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 string.strip(s):
|
|
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.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.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)
|
|
if not more:
|
|
self.showprompt()
|
|
|
|
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):
|
|
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")
|
|
|
|
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")
|
|
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
|
|
|
|
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 1
|
|
|
|
|
|
usage_msg = """\
|
|
usage: idle.py [-c command] [-d] [-e] [-s] [-t title] [arg] ...
|
|
|
|
-c command run this command
|
|
-d enable debugger
|
|
-e edit mode; arguments are files to be edited
|
|
-s run $IDLESTARTUP or $PYTHONSTARTUP before anything else
|
|
-t title set title of shell window
|
|
|
|
When neither -c nor -e is used, and there are arguments, and the first
|
|
argument is not '-', the first argument is run as a script. Remaining
|
|
arguments are arguments to the script or to the command run by -c.
|
|
"""
|
|
|
|
def main():
|
|
cmd = None
|
|
edit = 0
|
|
debug = 0
|
|
startup = 0
|
|
|
|
try:
|
|
opts, args = getopt.getopt(sys.argv[1:], "c:deist:")
|
|
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 == '-s':
|
|
startup = 1
|
|
if o == '-t':
|
|
PyShell.shell_title = a
|
|
|
|
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)
|
|
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 not edit and args and args[0] != "-":
|
|
interp.execfile(args[0])
|
|
|
|
shell.begin()
|
|
root.mainloop()
|
|
root.destroy()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|