mirror of
https://github.com/python/cpython.git
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1412 lines
49 KiB
Python
1412 lines
49 KiB
Python
#! /usr/bin/env python
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import os
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import os.path
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import sys
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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 threading
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import traceback
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import types
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import linecache
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from code import InteractiveInterpreter
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try:
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from tkinter import *
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except ImportError:
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print("** IDLE can't import Tkinter. " \
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"Your Python may not be configured for Tk. **", file=sys.__stderr__)
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sys.exit(1)
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import tkinter.messagebox as tkMessageBox
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from idlelib.EditorWindow import EditorWindow, fixwordbreaks
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from idlelib.FileList import FileList
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from idlelib.ColorDelegator import ColorDelegator
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from idlelib.UndoDelegator import UndoDelegator
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from idlelib.OutputWindow import OutputWindow
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from idlelib.configHandler import idleConf
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from idlelib import idlever
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from idlelib import rpc
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from idlelib import Debugger
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from idlelib import RemoteDebugger
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from idlelib import macosxSupport
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LOCALHOST = '127.0.0.1'
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try:
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from signal import SIGTERM
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except ImportError:
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SIGTERM = 15
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# Override warnings module to write to warning_stream. Initialize to send IDLE
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# internal warnings to the console. ScriptBinding.check_syntax() will
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# temporarily redirect the stream to the shell window to display warnings when
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# checking user's code.
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global warning_stream
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warning_stream = 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=None, line=None):
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file = warning_stream
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try:
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file.write(warnings.formatwarning(message, category, filename,\
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lineno, file=file, line=line))
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except IOError:
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pass ## file (probably __stderr__) is invalid, warning dropped.
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warnings.showwarning = idle_showwarning
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def idle_formatwarning(message, category, filename, lineno,
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file=None, line=None):
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"""Format warnings the IDLE way"""
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s = "\nWarning (from warnings module):\n"
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s += ' File \"%s\", line %s\n' % (filename, lineno)
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line = linecache.getline(filename, lineno).strip() \
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if line is None else line
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if line:
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s += " %s\n" % line
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s += "%s: %s\n>>> " % (category.__name__, message)
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return s
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warnings.formatwarning = idle_formatwarning
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def extended_linecache_checkcache(filename=None,
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orig_checkcache=linecache.checkcache):
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"""Extend linecache.checkcache to preserve the <pyshell#...> entries
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Rather than repeating the linecache code, patch it to save the
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<pyshell#...> entries, call the original linecache.checkcache()
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(which destroys them), and then restore the saved entries.
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orig_checkcache is bound at definition time to the original
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method, allowing it to be patched.
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"""
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cache = linecache.cache
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save = {}
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for filename in cache:
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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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# Patch linecache.checkcache():
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linecache.checkcache = extended_linecache_checkcache
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class PyShellEditorWindow(EditorWindow):
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"Regular text edit window in IDLE, supports breakpoints"
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def __init__(self, *args):
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self.breakpoints = []
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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>>", self.clear_breakpoint_here)
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self.text.bind("<<open-python-shell>>", self.flist.open_shell)
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self.breakpointPath = os.path.join(idleConf.GetUserCfgDir(),
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'breakpoints.lst')
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# whenever a file is changed, restore breakpoints
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if self.io.filename: self.restore_file_breaks()
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def filename_changed_hook(old_hook=self.io.filename_change_hook,
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self=self):
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self.restore_file_breaks()
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old_hook()
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self.io.set_filename_change_hook(filename_changed_hook)
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rmenu_specs = [("Set Breakpoint", "<<set-breakpoint-here>>"),
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("Clear Breakpoint", "<<clear-breakpoint-here>>")]
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def set_breakpoint(self, lineno):
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text = self.text
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filename = self.io.filename
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text.tag_add("BREAK", "%d.0" % lineno, "%d.0" % (lineno+1))
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try:
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i = self.breakpoints.index(lineno)
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except ValueError: # only add if missing, i.e. do once
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self.breakpoints.append(lineno)
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try: # update the subprocess debugger
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debug = self.flist.pyshell.interp.debugger
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debug.set_breakpoint_here(filename, lineno)
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except: # but debugger may not be active right now....
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pass
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def set_breakpoint_here(self, event=None):
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text = self.text
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filename = self.io.filename
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if not filename:
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text.bell()
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return
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lineno = int(float(text.index("insert")))
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self.set_breakpoint(lineno)
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def clear_breakpoint_here(self, event=None):
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text = self.text
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filename = self.io.filename
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if not filename:
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text.bell()
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return
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lineno = int(float(text.index("insert")))
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try:
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self.breakpoints.remove(lineno)
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except:
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pass
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text.tag_remove("BREAK", "insert linestart",\
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"insert lineend +1char")
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try:
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debug = self.flist.pyshell.interp.debugger
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debug.clear_breakpoint_here(filename, lineno)
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except:
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pass
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def clear_file_breaks(self):
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if self.breakpoints:
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text = self.text
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filename = self.io.filename
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if not filename:
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text.bell()
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return
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self.breakpoints = []
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text.tag_remove("BREAK", "1.0", END)
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try:
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debug = self.flist.pyshell.interp.debugger
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debug.clear_file_breaks(filename)
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except:
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pass
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def store_file_breaks(self):
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"Save breakpoints when file is saved"
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# XXX 13 Dec 2002 KBK Currently the file must be saved before it can
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# be run. The breaks are saved at that time. If we introduce
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# a temporary file save feature the save breaks functionality
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# needs to be re-verified, since the breaks at the time the
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# temp file is created may differ from the breaks at the last
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# permanent save of the file. Currently, a break introduced
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# after a save will be effective, but not persistent.
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# This is necessary to keep the saved breaks synched with the
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# saved file.
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#
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# Breakpoints are set as tagged ranges in the text. Certain
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# kinds of edits cause these ranges to be deleted: Inserting
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# or deleting a line just before a breakpoint, and certain
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# deletions prior to a breakpoint. These issues need to be
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# investigated and understood. It's not clear if they are
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# Tk issues or IDLE issues, or whether they can actually
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# be fixed. Since a modified file has to be saved before it is
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# run, and since self.breakpoints (from which the subprocess
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# debugger is loaded) is updated during the save, the visible
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# breaks stay synched with the subprocess even if one of these
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# unexpected breakpoint deletions occurs.
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breaks = self.breakpoints
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filename = self.io.filename
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try:
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lines = open(self.breakpointPath,"r").readlines()
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except IOError:
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lines = []
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new_file = open(self.breakpointPath,"w")
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for line in lines:
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if not line.startswith(filename + '='):
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new_file.write(line)
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self.update_breakpoints()
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breaks = self.breakpoints
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if breaks:
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new_file.write(filename + '=' + str(breaks) + '\n')
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new_file.close()
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def restore_file_breaks(self):
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self.text.update() # this enables setting "BREAK" tags to be visible
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filename = self.io.filename
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if filename is None:
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return
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if os.path.isfile(self.breakpointPath):
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lines = open(self.breakpointPath,"r").readlines()
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for line in lines:
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if line.startswith(filename + '='):
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breakpoint_linenumbers = eval(line[len(filename)+1:])
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for breakpoint_linenumber in breakpoint_linenumbers:
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self.set_breakpoint(breakpoint_linenumber)
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def update_breakpoints(self):
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"Retrieves all the breakpoints in the current window"
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text = self.text
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ranges = text.tag_ranges("BREAK")
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linenumber_list = self.ranges_to_linenumbers(ranges)
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self.breakpoints = linenumber_list
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def ranges_to_linenumbers(self, ranges):
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lines = []
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for index in range(0, len(ranges), 2):
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lineno = int(float(ranges[index]))
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end = int(float(ranges[index+1]))
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while lineno < end:
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lines.append(lineno)
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lineno += 1
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return lines
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# XXX 13 Dec 2002 KBK Not used currently
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# def saved_change_hook(self):
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# "Extend base method - clear breaks if module is modified"
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# if not self.get_saved():
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# self.clear_file_breaks()
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# EditorWindow.saved_change_hook(self)
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def _close(self):
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"Extend base method - clear breaks when module is closed"
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self.clear_file_breaks()
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EditorWindow._close(self)
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class PyShellFileList(FileList):
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"Extend base class: IDLE supports a shell and breakpoints"
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# override FileList's class variable, instances return PyShellEditorWindow
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# instead of EditorWindow when new edit windows are created.
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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.top.wakeup()
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else:
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self.pyshell = PyShell(self)
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if self.pyshell:
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if not self.pyshell.begin():
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return None
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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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})
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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 MyRPCClient(rpc.RPCClient):
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def handle_EOF(self):
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"Override the base class - just re-raise EOFError"
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raise EOFError
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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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self.restarting = False
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self.subprocess_arglist = self.build_subprocess_arglist()
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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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args = self.subprocess_arglist
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self.rpcpid = os.spawnv(os.P_NOWAIT, sys.executable, args)
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def build_subprocess_arglist(self):
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w = ['-W' + s for s in sys.warnoptions]
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# Maybe IDLE is installed and is being accessed via sys.path,
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# or maybe it's not installed and the idle.py script is being
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# run from the IDLE source directory.
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del_exitf = idleConf.GetOption('main', 'General', 'delete-exitfunc',
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default=False, type='bool')
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if __name__ == 'idlelib.PyShell':
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command = "__import__('idlelib.run').run.main(%r)" % (del_exitf,)
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else:
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command = "__import__('run').main(%r)" % (del_exitf,)
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if sys.platform[:3] == 'win' and ' ' in sys.executable:
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# handle embedded space in path by quoting the argument
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decorated_exec = '"%s"' % sys.executable
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else:
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decorated_exec = sys.executable
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return [decorated_exec] + w + ["-c", command, str(self.port)]
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def start_subprocess(self):
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# spawning first avoids passing a listening socket to the subprocess
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self.spawn_subprocess()
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#time.sleep(20) # test to simulate GUI not accepting connection
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addr = (LOCALHOST, self.port)
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# Idle starts listening for connection on localhost
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for i in range(3):
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time.sleep(i)
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try:
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self.rpcclt = MyRPCClient(addr)
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break
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except socket.error as err:
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pass
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else:
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self.display_port_binding_error()
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return None
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# Accept the connection from the Python execution server
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self.rpcclt.listening_sock.settimeout(10)
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try:
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self.rpcclt.accept()
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except socket.timeout as err:
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self.display_no_subprocess_error()
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return None
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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.rpcclt.register("linecache", linecache)
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self.rpcclt.register("interp", self)
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self.transfer_path()
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self.poll_subprocess()
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return self.rpcclt
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def restart_subprocess(self):
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if self.restarting:
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return self.rpcclt
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self.restarting = True
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# close only the subprocess debugger
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debug = self.getdebugger()
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if debug:
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try:
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# Only close subprocess debugger, don't unregister gui_adap!
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RemoteDebugger.close_subprocess_debugger(self.rpcclt)
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except:
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pass
|
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# Kill subprocess, spawn a new one, accept connection.
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self.rpcclt.close()
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self.unix_terminate()
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console = self.tkconsole
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was_executing = console.executing
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console.executing = False
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self.spawn_subprocess()
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try:
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self.rpcclt.accept()
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except socket.timeout as err:
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self.display_no_subprocess_error()
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return None
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self.transfer_path()
|
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# annotate restart in shell window and mark it
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console.text.delete("iomark", "end-1c")
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if was_executing:
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console.write('\n')
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console.showprompt()
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halfbar = ((int(console.width) - 16) // 2) * '='
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console.write(halfbar + ' RESTART ' + halfbar)
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console.text.mark_set("restart", "end-1c")
|
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console.text.mark_gravity("restart", "left")
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console.showprompt()
|
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# restart subprocess debugger
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if debug:
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# Restarted debugger connects to current instance of debug GUI
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gui = RemoteDebugger.restart_subprocess_debugger(self.rpcclt)
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# reload remote debugger breakpoints for all PyShellEditWindows
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debug.load_breakpoints()
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self.restarting = False
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return self.rpcclt
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|
|
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def __request_interrupt(self):
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self.rpcclt.remotecall("exec", "interrupt_the_server", (), {})
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|
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def interrupt_subprocess(self):
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threading.Thread(target=self.__request_interrupt).start()
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|
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def kill_subprocess(self):
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try:
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self.rpcclt.close()
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except AttributeError: # no socket
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pass
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self.unix_terminate()
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self.tkconsole.executing = False
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self.rpcclt = None
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|
|
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def unix_terminate(self):
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"UNIX: make sure subprocess is terminated and collect status"
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|
if hasattr(os, 'kill'):
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try:
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os.kill(self.rpcpid, SIGTERM)
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|
except OSError:
|
|
# process already terminated:
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return
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|
else:
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try:
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os.waitpid(self.rpcpid, 0)
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|
except OSError:
|
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return
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|
|
def transfer_path(self):
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self.runcommand("""if 1:
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import sys as _sys
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_sys.path = %r
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del _sys
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\n""" % (sys.path,))
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|
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active_seq = None
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|
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def poll_subprocess(self):
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clt = self.rpcclt
|
|
if clt is None:
|
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return
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try:
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response = clt.pollresponse(self.active_seq, wait=0.05)
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|
except (EOFError, IOError, KeyboardInterrupt):
|
|
# lost connection or subprocess terminated itself, restart
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|
# [the KBI is from rpc.SocketIO.handle_EOF()]
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|
if self.tkconsole.closing:
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return
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response = None
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self.restart_subprocess()
|
|
if response:
|
|
self.tkconsole.resetoutput()
|
|
self.active_seq = None
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how, what = response
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console = self.tkconsole.console
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|
if how == "OK":
|
|
if what is not None:
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print(repr(what), file=console)
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|
elif how == "EXCEPTION":
|
|
if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
|
|
self.remote_stack_viewer()
|
|
elif how == "ERROR":
|
|
errmsg = "PyShell.ModifiedInterpreter: Subprocess ERROR:\n"
|
|
print(errmsg, what, file=sys.__stderr__)
|
|
print(errmsg, what, file=console)
|
|
# we received a response to the currently active seq number:
|
|
try:
|
|
self.tkconsole.endexecuting()
|
|
except AttributeError: # shell may have closed
|
|
pass
|
|
# Reschedule myself
|
|
if not self.tkconsole.closing:
|
|
self.tkconsole.text.after(self.tkconsole.pollinterval,
|
|
self.poll_subprocess)
|
|
|
|
debugger = None
|
|
|
|
def setdebugger(self, debugger):
|
|
self.debugger = debugger
|
|
|
|
def getdebugger(self):
|
|
return self.debugger
|
|
|
|
def open_remote_stack_viewer(self):
|
|
"""Initiate the remote stack viewer from a separate thread.
|
|
|
|
This method is called from the subprocess, and by returning from this
|
|
method we allow the subprocess to unblock. After a bit the shell
|
|
requests the subprocess to open the remote stack viewer which returns a
|
|
static object looking at the last exceptiopn. It is queried through
|
|
the RPC mechanism.
|
|
|
|
"""
|
|
self.tkconsole.text.after(300, self.remote_stack_viewer)
|
|
return
|
|
|
|
def remote_stack_viewer(self):
|
|
from idlelib import RemoteObjectBrowser
|
|
oid = self.rpcclt.remotequeue("exec", "stackviewer", ("flist",), {})
|
|
if oid is None:
|
|
self.tkconsole.root.bell()
|
|
return
|
|
item = RemoteObjectBrowser.StubObjectTreeItem(self.rpcclt, oid)
|
|
from idlelib.TreeWidget import ScrolledCanvas, TreeNode
|
|
top = Toplevel(self.tkconsole.root)
|
|
theme = idleConf.GetOption('main','Theme','name')
|
|
background = idleConf.GetHighlight(theme, 'normal')['background']
|
|
sc = ScrolledCanvas(top, bg=background, highlightthickness=0)
|
|
sc.frame.pack(expand=1, fill="both")
|
|
node = TreeNode(sc.canvas, None, item)
|
|
node.expand()
|
|
# XXX Should GC the remote tree when closing the window
|
|
|
|
gid = 0
|
|
|
|
def execsource(self, source):
|
|
"Like runsource() but assumes complete exec source"
|
|
filename = self.stuffsource(source)
|
|
self.execfile(filename, source)
|
|
|
|
def execfile(self, filename, source=None):
|
|
"Execute an existing file"
|
|
if source is None:
|
|
source = open(filename, "r").read()
|
|
try:
|
|
code = compile(source, filename, "exec")
|
|
except (OverflowError, SyntaxError):
|
|
self.tkconsole.resetoutput()
|
|
tkerr = self.tkconsole.stderr
|
|
print('*** Error in script or command!\n', file=tkerr)
|
|
print('Traceback (most recent call last):', file=tkerr)
|
|
InteractiveInterpreter.showsyntaxerror(self, filename)
|
|
self.tkconsole.showprompt()
|
|
else:
|
|
self.runcode(code)
|
|
|
|
def runsource(self, source):
|
|
"Extend base class method: Stuff the source in the line cache first"
|
|
filename = self.stuffsource(source)
|
|
self.more = 0
|
|
self.save_warnings_filters = warnings.filters[:]
|
|
warnings.filterwarnings(action="error", category=SyntaxWarning)
|
|
# at the moment, InteractiveInterpreter expects str
|
|
assert isinstance(source, str)
|
|
#if isinstance(source, str):
|
|
# from idlelib import IOBinding
|
|
# try:
|
|
# source = source.encode(IOBinding.encoding)
|
|
# except UnicodeError:
|
|
# self.tkconsole.resetoutput()
|
|
# self.write("Unsupported characters in input\n")
|
|
# return
|
|
try:
|
|
# InteractiveInterpreter.runsource() calls its runcode() method,
|
|
# which is overridden (see below)
|
|
return InteractiveInterpreter.runsource(self, source, filename)
|
|
finally:
|
|
if self.save_warnings_filters is not None:
|
|
warnings.filters[:] = self.save_warnings_filters
|
|
self.save_warnings_filters = None
|
|
|
|
def stuffsource(self, source):
|
|
"Stuff source in the filename cache"
|
|
filename = "<pyshell#%d>" % self.gid
|
|
self.gid = self.gid + 1
|
|
lines = source.split("\n")
|
|
linecache.cache[filename] = len(source)+1, 0, lines, filename
|
|
return filename
|
|
|
|
def prepend_syspath(self, filename):
|
|
"Prepend sys.path with file's directory if not already included"
|
|
self.runcommand("""if 1:
|
|
_filename = %r
|
|
import sys as _sys
|
|
from os.path import dirname as _dirname
|
|
_dir = _dirname(_filename)
|
|
if not _dir in _sys.path:
|
|
_sys.path.insert(0, _dir)
|
|
del _filename, _sys, _dirname, _dir
|
|
\n""" % (filename,))
|
|
|
|
def showsyntaxerror(self, filename=None):
|
|
"""Override Interactive Interpreter method: Use Colorizing
|
|
|
|
Color the offending position instead of printing it and pointing at it
|
|
with a caret.
|
|
|
|
"""
|
|
tkconsole = self.tkconsole
|
|
text = tkconsole.text
|
|
text.tag_remove("ERROR", "1.0", "end")
|
|
type, value, tb = sys.exc_info()
|
|
msg = value.msg or "<no detail available>"
|
|
lineno = value.lineno or 1
|
|
offset = value.offset or 0
|
|
if offset == 0:
|
|
lineno += 1 #mark end of offending line
|
|
if lineno == 1:
|
|
pos = "iomark + %d chars" % (offset-1)
|
|
else:
|
|
pos = "iomark linestart + %d lines + %d chars" % \
|
|
(lineno-1, offset-1)
|
|
tkconsole.colorize_syntax_error(text, pos)
|
|
tkconsole.resetoutput()
|
|
self.write("SyntaxError: %s\n" % msg)
|
|
tkconsole.showprompt()
|
|
|
|
def showtraceback(self):
|
|
"Extend base class method to reset output properly"
|
|
self.tkconsole.resetoutput()
|
|
self.checklinecache()
|
|
InteractiveInterpreter.showtraceback(self)
|
|
if self.tkconsole.getvar("<<toggle-jit-stack-viewer>>"):
|
|
self.tkconsole.open_stack_viewer()
|
|
|
|
def checklinecache(self):
|
|
c = linecache.cache
|
|
for key in list(c.keys()):
|
|
if key[:1] + key[-1:] != "<>":
|
|
del c[key]
|
|
|
|
def runcommand(self, code):
|
|
"Run the code without invoking the debugger"
|
|
# The code better not raise an exception!
|
|
if self.tkconsole.executing:
|
|
self.display_executing_dialog()
|
|
return 0
|
|
if self.rpcclt:
|
|
self.rpcclt.remotequeue("exec", "runcode", (code,), {})
|
|
else:
|
|
exec(code, self.locals)
|
|
return 1
|
|
|
|
def runcode(self, code):
|
|
"Override base class method"
|
|
if self.tkconsole.executing:
|
|
self.interp.restart_subprocess()
|
|
self.checklinecache()
|
|
if self.save_warnings_filters is not None:
|
|
warnings.filters[:] = self.save_warnings_filters
|
|
self.save_warnings_filters = None
|
|
debugger = self.debugger
|
|
try:
|
|
self.tkconsole.beginexecuting()
|
|
if not debugger and self.rpcclt is not None:
|
|
self.active_seq = self.rpcclt.asyncqueue("exec", "runcode",
|
|
(code,), {})
|
|
elif debugger:
|
|
debugger.run(code, self.locals)
|
|
else:
|
|
exec(code, self.locals)
|
|
except SystemExit:
|
|
if not self.tkconsole.closing:
|
|
if tkMessageBox.askyesno(
|
|
"Exit?",
|
|
"Do you want to exit altogether?",
|
|
default="yes",
|
|
master=self.tkconsole.text):
|
|
raise
|
|
else:
|
|
self.showtraceback()
|
|
else:
|
|
raise
|
|
except:
|
|
if use_subprocess:
|
|
print("IDLE internal error in runcode()",
|
|
file=self.tkconsole.stderr)
|
|
self.showtraceback()
|
|
self.tkconsole.endexecuting()
|
|
else:
|
|
if self.tkconsole.canceled:
|
|
self.tkconsole.canceled = False
|
|
print("KeyboardInterrupt", file=self.tkconsole.stderr)
|
|
else:
|
|
self.showtraceback()
|
|
finally:
|
|
if not use_subprocess:
|
|
try:
|
|
self.tkconsole.endexecuting()
|
|
except AttributeError: # shell may have closed
|
|
pass
|
|
|
|
def write(self, s):
|
|
"Override base class method"
|
|
self.tkconsole.stderr.write(s)
|
|
|
|
def display_port_binding_error(self):
|
|
tkMessageBox.showerror(
|
|
"Port Binding Error",
|
|
"IDLE can't bind TCP/IP port 8833, which is necessary to "
|
|
"communicate with its Python execution server. Either "
|
|
"no networking is installed on this computer or another "
|
|
"process (another IDLE?) is using the port. Run IDLE with the -n "
|
|
"command line switch to start without a subprocess and refer to "
|
|
"Help/IDLE Help 'Running without a subprocess' for further "
|
|
"details.",
|
|
master=self.tkconsole.text)
|
|
|
|
def display_no_subprocess_error(self):
|
|
tkMessageBox.showerror(
|
|
"Subprocess Startup Error",
|
|
"IDLE's subprocess didn't make connection. Either IDLE can't "
|
|
"start a subprocess or personal firewall software is blocking "
|
|
"the connection.",
|
|
master=self.tkconsole.text)
|
|
|
|
def display_executing_dialog(self):
|
|
tkMessageBox.showerror(
|
|
"Already executing",
|
|
"The Python Shell window is already executing a command; "
|
|
"please wait until it is finished.",
|
|
master=self.tkconsole.text)
|
|
|
|
|
|
class PyShell(OutputWindow):
|
|
|
|
shell_title = "Python Shell"
|
|
|
|
# Override classes
|
|
ColorDelegator = ModifiedColorDelegator
|
|
UndoDelegator = ModifiedUndoDelegator
|
|
|
|
# Override menus
|
|
menu_specs = [
|
|
("file", "_File"),
|
|
("edit", "_Edit"),
|
|
("debug", "_Debug"),
|
|
("options", "_Options"),
|
|
("windows", "_Windows"),
|
|
("help", "_Help"),
|
|
]
|
|
|
|
if macosxSupport.runningAsOSXApp():
|
|
del menu_specs[-3]
|
|
menu_specs[-2] = ("windows", "_Window")
|
|
|
|
|
|
# New classes
|
|
from idlelib.IdleHistory import History
|
|
|
|
def __init__(self, flist=None):
|
|
if use_subprocess:
|
|
ms = self.menu_specs
|
|
if ms[2][0] != "shell":
|
|
ms.insert(2, ("shell", "She_ll"))
|
|
self.interp = ModifiedInterpreter(self)
|
|
if flist is None:
|
|
root = Tk()
|
|
fixwordbreaks(root)
|
|
root.withdraw()
|
|
flist = PyShellFileList(root)
|
|
#
|
|
OutputWindow.__init__(self, flist, None, None)
|
|
#
|
|
## self.config(usetabs=1, indentwidth=8, context_use_ps1=1)
|
|
self.usetabs = True
|
|
# indentwidth must be 8 when using tabs. See note in EditorWindow:
|
|
self.indentwidth = 8
|
|
self.context_use_ps1 = True
|
|
#
|
|
text = self.text
|
|
text.configure(wrap="char")
|
|
text.bind("<<newline-and-indent>>", self.enter_callback)
|
|
text.bind("<<plain-newline-and-indent>>", self.linefeed_callback)
|
|
text.bind("<<interrupt-execution>>", self.cancel_callback)
|
|
text.bind("<<end-of-file>>", self.eof_callback)
|
|
text.bind("<<open-stack-viewer>>", self.open_stack_viewer)
|
|
text.bind("<<toggle-debugger>>", self.toggle_debugger)
|
|
text.bind("<<toggle-jit-stack-viewer>>", self.toggle_jit_stack_viewer)
|
|
self.color = color = self.ColorDelegator()
|
|
self.per.insertfilter(color)
|
|
if use_subprocess:
|
|
text.bind("<<view-restart>>", self.view_restart_mark)
|
|
text.bind("<<restart-shell>>", self.restart_shell)
|
|
#
|
|
self.save_stdout = sys.stdout
|
|
self.save_stderr = sys.stderr
|
|
self.save_stdin = sys.stdin
|
|
from idlelib import IOBinding
|
|
self.stdout = PseudoFile(self, "stdout", IOBinding.encoding)
|
|
self.stderr = PseudoFile(self, "stderr", IOBinding.encoding)
|
|
self.console = PseudoFile(self, "console", IOBinding.encoding)
|
|
if not use_subprocess:
|
|
sys.stdout = self.stdout
|
|
sys.stderr = self.stderr
|
|
sys.stdin = self
|
|
try:
|
|
# page help() text to shell.
|
|
import pydoc # import must be done here to capture i/o rebinding.
|
|
# XXX KBK 27Dec07 use a textView someday, but must work w/o subproc
|
|
pydoc.pager = pydoc.plainpager
|
|
except:
|
|
sys.stderr = sys.__stderr__
|
|
raise
|
|
#
|
|
self.history = self.History(self.text)
|
|
#
|
|
self.pollinterval = 50 # millisec
|
|
|
|
def get_standard_extension_names(self):
|
|
return idleConf.GetExtensions(shell_only=True)
|
|
|
|
reading = False
|
|
executing = False
|
|
canceled = False
|
|
endoffile = False
|
|
closing = False
|
|
|
|
def set_warning_stream(self, stream):
|
|
global warning_stream
|
|
warning_stream = stream
|
|
|
|
def get_warning_stream(self):
|
|
return warning_stream
|
|
|
|
def toggle_debugger(self, event=None):
|
|
if self.executing:
|
|
tkMessageBox.showerror("Don't debug now",
|
|
"You can only toggle the debugger when idle",
|
|
master=self.text)
|
|
self.set_debugger_indicator()
|
|
return "break"
|
|
else:
|
|
db = self.interp.getdebugger()
|
|
if db:
|
|
self.close_debugger()
|
|
else:
|
|
self.open_debugger()
|
|
|
|
def set_debugger_indicator(self):
|
|
db = self.interp.getdebugger()
|
|
self.setvar("<<toggle-debugger>>", not not db)
|
|
|
|
def toggle_jit_stack_viewer(self, event=None):
|
|
pass # All we need is the variable
|
|
|
|
def close_debugger(self):
|
|
db = self.interp.getdebugger()
|
|
if db:
|
|
self.interp.setdebugger(None)
|
|
db.close()
|
|
if self.interp.rpcclt:
|
|
RemoteDebugger.close_remote_debugger(self.interp.rpcclt)
|
|
self.resetoutput()
|
|
self.console.write("[DEBUG OFF]\n")
|
|
sys.ps1 = ">>> "
|
|
self.showprompt()
|
|
self.set_debugger_indicator()
|
|
|
|
def open_debugger(self):
|
|
if self.interp.rpcclt:
|
|
dbg_gui = RemoteDebugger.start_remote_debugger(self.interp.rpcclt,
|
|
self)
|
|
else:
|
|
dbg_gui = Debugger.Debugger(self)
|
|
self.interp.setdebugger(dbg_gui)
|
|
dbg_gui.load_breakpoints()
|
|
sys.ps1 = "[DEBUG ON]\n>>> "
|
|
self.showprompt()
|
|
self.set_debugger_indicator()
|
|
|
|
def beginexecuting(self):
|
|
"Helper for ModifiedInterpreter"
|
|
self.resetoutput()
|
|
self.executing = 1
|
|
|
|
def endexecuting(self):
|
|
"Helper for ModifiedInterpreter"
|
|
self.executing = 0
|
|
self.canceled = 0
|
|
self.showprompt()
|
|
|
|
def close(self):
|
|
"Extend EditorWindow.close()"
|
|
if self.executing:
|
|
response = tkMessageBox.askokcancel(
|
|
"Kill?",
|
|
"The program is still running!\n Do you want to kill it?",
|
|
default="ok",
|
|
parent=self.text)
|
|
if response is False:
|
|
return "cancel"
|
|
if self.reading:
|
|
self.top.quit()
|
|
self.canceled = True
|
|
self.closing = True
|
|
# Wait for poll_subprocess() rescheduling to stop
|
|
self.text.after(2 * self.pollinterval, self.close2)
|
|
|
|
def close2(self):
|
|
return EditorWindow.close(self)
|
|
|
|
def _close(self):
|
|
"Extend EditorWindow._close(), shut down debugger and execution server"
|
|
self.close_debugger()
|
|
if use_subprocess:
|
|
self.interp.kill_subprocess()
|
|
# Restore std streams
|
|
sys.stdout = self.save_stdout
|
|
sys.stderr = self.save_stderr
|
|
sys.stdin = self.save_stdin
|
|
# Break cycles
|
|
self.interp = None
|
|
self.console = None
|
|
self.flist.pyshell = None
|
|
self.history = None
|
|
EditorWindow._close(self)
|
|
|
|
def ispythonsource(self, filename):
|
|
"Override EditorWindow method: never remove the colorizer"
|
|
return True
|
|
|
|
def short_title(self):
|
|
return self.shell_title
|
|
|
|
COPYRIGHT = \
|
|
'Type "copyright", "credits" or "license()" for more information.'
|
|
|
|
def begin(self):
|
|
self.text.mark_set("iomark", "insert")
|
|
self.resetoutput()
|
|
if use_subprocess:
|
|
nosub = ''
|
|
client = self.interp.start_subprocess()
|
|
if not client:
|
|
self.close()
|
|
return False
|
|
else:
|
|
nosub = "==== No Subprocess ===="
|
|
self.write("Python %s on %s\n%s\n%s" %
|
|
(sys.version, sys.platform, self.COPYRIGHT, nosub))
|
|
self.showprompt()
|
|
import tkinter
|
|
tkinter._default_root = None # 03Jan04 KBK What's this?
|
|
return True
|
|
|
|
def readline(self):
|
|
save = self.reading
|
|
try:
|
|
self.reading = 1
|
|
self.top.mainloop() # nested mainloop()
|
|
finally:
|
|
self.reading = save
|
|
line = self.text.get("iomark", "end-1c")
|
|
if len(line) == 0: # may be EOF if we quit our mainloop with Ctrl-C
|
|
line = "\n"
|
|
self.resetoutput()
|
|
if self.canceled:
|
|
self.canceled = 0
|
|
if not use_subprocess:
|
|
raise KeyboardInterrupt
|
|
if self.endoffile:
|
|
self.endoffile = 0
|
|
line = ""
|
|
return line
|
|
|
|
def isatty(self):
|
|
return True
|
|
|
|
def cancel_callback(self, event=None):
|
|
try:
|
|
if self.text.compare("sel.first", "!=", "sel.last"):
|
|
return # Active selection -- always use default binding
|
|
except:
|
|
pass
|
|
if not (self.executing or self.reading):
|
|
self.resetoutput()
|
|
self.interp.write("KeyboardInterrupt\n")
|
|
self.showprompt()
|
|
return "break"
|
|
self.endoffile = 0
|
|
self.canceled = 1
|
|
if (self.executing and self.interp.rpcclt):
|
|
if self.interp.getdebugger():
|
|
self.interp.restart_subprocess()
|
|
else:
|
|
self.interp.interrupt_subprocess()
|
|
if self.reading:
|
|
self.top.quit() # exit the nested mainloop() in readline()
|
|
return "break"
|
|
|
|
def eof_callback(self, event):
|
|
if self.executing and not self.reading:
|
|
return # Let the default binding (delete next char) take over
|
|
if not (self.text.compare("iomark", "==", "insert") and
|
|
self.text.compare("insert", "==", "end-1c")):
|
|
return # Let the default binding (delete next char) take over
|
|
if not self.executing:
|
|
self.resetoutput()
|
|
self.close()
|
|
else:
|
|
self.canceled = 0
|
|
self.endoffile = 1
|
|
self.top.quit()
|
|
return "break"
|
|
|
|
def linefeed_callback(self, event):
|
|
# Insert a linefeed without entering anything (still autoindented)
|
|
if self.reading:
|
|
self.text.insert("insert", "\n")
|
|
self.text.see("insert")
|
|
else:
|
|
self.newline_and_indent_event(event)
|
|
return "break"
|
|
|
|
def enter_callback(self, event):
|
|
if self.executing and not self.reading:
|
|
return # Let the default binding (insert '\n') take over
|
|
# If some text is selected, recall the selection
|
|
# (but only if this before the I/O mark)
|
|
try:
|
|
sel = self.text.get("sel.first", "sel.last")
|
|
if sel:
|
|
if self.text.compare("sel.last", "<=", "iomark"):
|
|
self.recall(sel, event)
|
|
return "break"
|
|
except:
|
|
pass
|
|
# If we're strictly before the line containing iomark, recall
|
|
# the current line, less a leading prompt, less leading or
|
|
# trailing whitespace
|
|
if self.text.compare("insert", "<", "iomark linestart"):
|
|
# Check if there's a relevant stdin range -- if so, use it
|
|
prev = self.text.tag_prevrange("stdin", "insert")
|
|
if prev and self.text.compare("insert", "<", prev[1]):
|
|
self.recall(self.text.get(prev[0], prev[1]), event)
|
|
return "break"
|
|
next = self.text.tag_nextrange("stdin", "insert")
|
|
if next and self.text.compare("insert lineend", ">=", next[0]):
|
|
self.recall(self.text.get(next[0], next[1]), event)
|
|
return "break"
|
|
# No stdin mark -- just get the current line, less any prompt
|
|
indices = self.text.tag_nextrange("console", "insert linestart")
|
|
if indices and \
|
|
self.text.compare(indices[0], "<=", "insert linestart"):
|
|
self.recall(self.text.get(indices[1], "insert lineend"), event)
|
|
else:
|
|
self.recall(self.text.get("insert linestart", "insert lineend"), event)
|
|
return "break"
|
|
# If we're between the beginning of the line and the iomark, i.e.
|
|
# in the prompt area, move to the end of the prompt
|
|
if self.text.compare("insert", "<", "iomark"):
|
|
self.text.mark_set("insert", "iomark")
|
|
# If we're in the current input and there's only whitespace
|
|
# beyond the cursor, erase that whitespace first
|
|
s = self.text.get("insert", "end-1c")
|
|
if s and not s.strip():
|
|
self.text.delete("insert", "end-1c")
|
|
# If we're in the current input before its last line,
|
|
# insert a newline right at the insert point
|
|
if self.text.compare("insert", "<", "end-1c linestart"):
|
|
self.newline_and_indent_event(event)
|
|
return "break"
|
|
# We're in the last line; append a newline and submit it
|
|
self.text.mark_set("insert", "end-1c")
|
|
if self.reading:
|
|
self.text.insert("insert", "\n")
|
|
self.text.see("insert")
|
|
else:
|
|
self.newline_and_indent_event(event)
|
|
self.text.tag_add("stdin", "iomark", "end-1c")
|
|
self.text.update_idletasks()
|
|
if self.reading:
|
|
self.top.quit() # Break out of recursive mainloop()
|
|
else:
|
|
self.runit()
|
|
return "break"
|
|
|
|
def recall(self, s, event):
|
|
# remove leading and trailing empty or whitespace lines
|
|
s = re.sub(r'^\s*\n', '' , s)
|
|
s = re.sub(r'\n\s*$', '', s)
|
|
lines = s.split('\n')
|
|
self.text.undo_block_start()
|
|
try:
|
|
self.text.tag_remove("sel", "1.0", "end")
|
|
self.text.mark_set("insert", "end-1c")
|
|
prefix = self.text.get("insert linestart", "insert")
|
|
if prefix.rstrip().endswith(':'):
|
|
self.newline_and_indent_event(event)
|
|
prefix = self.text.get("insert linestart", "insert")
|
|
self.text.insert("insert", lines[0].strip())
|
|
if len(lines) > 1:
|
|
orig_base_indent = re.search(r'^([ \t]*)', lines[0]).group(0)
|
|
new_base_indent = re.search(r'^([ \t]*)', prefix).group(0)
|
|
for line in lines[1:]:
|
|
if line.startswith(orig_base_indent):
|
|
# replace orig base indentation with new indentation
|
|
line = new_base_indent + line[len(orig_base_indent):]
|
|
self.text.insert('insert', '\n'+line.rstrip())
|
|
finally:
|
|
self.text.see("insert")
|
|
self.text.undo_block_stop()
|
|
|
|
def runit(self):
|
|
line = self.text.get("iomark", "end-1c")
|
|
# Strip off last newline and surrounding whitespace.
|
|
# (To allow you to hit return twice to end a statement.)
|
|
i = len(line)
|
|
while i > 0 and line[i-1] in " \t":
|
|
i = i-1
|
|
if i > 0 and line[i-1] == "\n":
|
|
i = i-1
|
|
while i > 0 and line[i-1] in " \t":
|
|
i = i-1
|
|
line = line[:i]
|
|
more = self.interp.runsource(line)
|
|
|
|
def open_stack_viewer(self, event=None):
|
|
if self.interp.rpcclt:
|
|
return self.interp.remote_stack_viewer()
|
|
try:
|
|
sys.last_traceback
|
|
except:
|
|
tkMessageBox.showerror("No stack trace",
|
|
"There is no stack trace yet.\n"
|
|
"(sys.last_traceback is not defined)",
|
|
master=self.text)
|
|
return
|
|
from idlelib.StackViewer import StackBrowser
|
|
sv = StackBrowser(self.root, self.flist)
|
|
|
|
def view_restart_mark(self, event=None):
|
|
self.text.see("iomark")
|
|
self.text.see("restart")
|
|
|
|
def restart_shell(self, event=None):
|
|
self.interp.restart_subprocess()
|
|
|
|
def showprompt(self):
|
|
self.resetoutput()
|
|
try:
|
|
s = str(sys.ps1)
|
|
except:
|
|
s = ""
|
|
self.console.write(s)
|
|
self.text.mark_set("insert", "end-1c")
|
|
self.set_line_and_column()
|
|
self.io.reset_undo()
|
|
|
|
def resetoutput(self):
|
|
source = self.text.get("iomark", "end-1c")
|
|
if self.history:
|
|
self.history.history_store(source)
|
|
if self.text.get("end-2c") != "\n":
|
|
self.text.insert("end-1c", "\n")
|
|
self.text.mark_set("iomark", "end-1c")
|
|
self.set_line_and_column()
|
|
|
|
def write(self, s, tags=()):
|
|
try:
|
|
self.text.mark_gravity("iomark", "right")
|
|
OutputWindow.write(self, s, tags, "iomark")
|
|
self.text.mark_gravity("iomark", "left")
|
|
except:
|
|
raise ###pass # ### 11Aug07 KBK if we are expecting exceptions
|
|
# let's find out what they are and be specific.
|
|
if self.canceled:
|
|
self.canceled = 0
|
|
if not use_subprocess:
|
|
raise KeyboardInterrupt
|
|
|
|
class PseudoFile(object):
|
|
|
|
def __init__(self, shell, tags, encoding=None):
|
|
self.shell = shell
|
|
self.tags = tags
|
|
self.encoding = encoding
|
|
|
|
def write(self, s):
|
|
self.shell.write(s, self.tags)
|
|
|
|
def writelines(self, lines):
|
|
for line in lines:
|
|
self.write(line)
|
|
|
|
def flush(self):
|
|
pass
|
|
|
|
def isatty(self):
|
|
return True
|
|
|
|
|
|
usage_msg = """\
|
|
|
|
USAGE: idle [-deins] [-t title] [file]*
|
|
idle [-dns] [-t title] (-c cmd | -r file) [arg]*
|
|
idle [-dns] [-t title] - [arg]*
|
|
|
|
-h print this help message and exit
|
|
-n run IDLE without a subprocess (see Help/IDLE Help for details)
|
|
|
|
The following options will override the IDLE 'settings' configuration:
|
|
|
|
-e open an edit window
|
|
-i open a shell window
|
|
|
|
The following options imply -i and will open a shell:
|
|
|
|
-c cmd run the command in a shell, or
|
|
-r file run script from file
|
|
|
|
-d enable the debugger
|
|
-s run $IDLESTARTUP or $PYTHONSTARTUP before anything else
|
|
-t title set title of shell window
|
|
|
|
A default edit window will be bypassed when -c, -r, or - are used.
|
|
|
|
[arg]* are passed to the command (-c) or script (-r) in sys.argv[1:].
|
|
|
|
Examples:
|
|
|
|
idle
|
|
Open an edit window or shell depending on IDLE's configuration.
|
|
|
|
idle foo.py foobar.py
|
|
Edit the files, also open a shell if configured to start with shell.
|
|
|
|
idle -est "Baz" foo.py
|
|
Run $IDLESTARTUP or $PYTHONSTARTUP, edit foo.py, and open a shell
|
|
window with the title "Baz".
|
|
|
|
idle -c "import sys; print(sys.argv)" "foo"
|
|
Open a shell window and run the command, passing "-c" in sys.argv[0]
|
|
and "foo" in sys.argv[1].
|
|
|
|
idle -d -s -r foo.py "Hello World"
|
|
Open a shell window, run a startup script, enable the debugger, and
|
|
run foo.py, passing "foo.py" in sys.argv[0] and "Hello World" in
|
|
sys.argv[1].
|
|
|
|
echo "import sys; print(sys.argv)" | idle - "foobar"
|
|
Open a shell window, run the script piped in, passing '' in sys.argv[0]
|
|
and "foobar" in sys.argv[1].
|
|
"""
|
|
|
|
def main():
|
|
global flist, root, use_subprocess
|
|
|
|
use_subprocess = True
|
|
enable_shell = False
|
|
enable_edit = False
|
|
debug = False
|
|
cmd = None
|
|
script = None
|
|
startup = False
|
|
try:
|
|
opts, args = getopt.getopt(sys.argv[1:], "c:deihnr:st:")
|
|
except getopt.error as msg:
|
|
sys.stderr.write("Error: %s\n" % str(msg))
|
|
sys.stderr.write(usage_msg)
|
|
sys.exit(2)
|
|
for o, a in opts:
|
|
if o == '-c':
|
|
cmd = a
|
|
enable_shell = True
|
|
if o == '-d':
|
|
debug = True
|
|
enable_shell = True
|
|
if o == '-e':
|
|
enable_edit = True
|
|
if o == '-h':
|
|
sys.stdout.write(usage_msg)
|
|
sys.exit()
|
|
if o == '-i':
|
|
enable_shell = True
|
|
if o == '-n':
|
|
use_subprocess = False
|
|
if o == '-r':
|
|
script = a
|
|
if os.path.isfile(script):
|
|
pass
|
|
else:
|
|
print("No script file: ", script)
|
|
sys.exit()
|
|
enable_shell = True
|
|
if o == '-s':
|
|
startup = True
|
|
enable_shell = True
|
|
if o == '-t':
|
|
PyShell.shell_title = a
|
|
enable_shell = True
|
|
if args and args[0] == '-':
|
|
cmd = sys.stdin.read()
|
|
enable_shell = True
|
|
# process sys.argv and sys.path:
|
|
for i in range(len(sys.path)):
|
|
sys.path[i] = os.path.abspath(sys.path[i])
|
|
if args and args[0] == '-':
|
|
sys.argv = [''] + args[1:]
|
|
elif cmd:
|
|
sys.argv = ['-c'] + args
|
|
elif script:
|
|
sys.argv = [script] + args
|
|
elif args:
|
|
enable_edit = True
|
|
pathx = []
|
|
for filename in args:
|
|
pathx.append(os.path.dirname(filename))
|
|
for dir in pathx:
|
|
dir = os.path.abspath(dir)
|
|
if not dir in sys.path:
|
|
sys.path.insert(0, dir)
|
|
else:
|
|
dir = os.getcwd()
|
|
if dir not in sys.path:
|
|
sys.path.insert(0, dir)
|
|
# check the IDLE settings configuration (but command line overrides)
|
|
edit_start = idleConf.GetOption('main', 'General',
|
|
'editor-on-startup', type='bool')
|
|
enable_edit = enable_edit or edit_start
|
|
enable_shell = enable_shell or not edit_start
|
|
# start editor and/or shell windows:
|
|
root = Tk(className="Idle")
|
|
|
|
fixwordbreaks(root)
|
|
root.withdraw()
|
|
flist = PyShellFileList(root)
|
|
macosxSupport.setupApp(root, flist)
|
|
|
|
if enable_edit:
|
|
if not (cmd or script):
|
|
for filename in args:
|
|
flist.open(filename)
|
|
if not args:
|
|
flist.new()
|
|
if enable_shell:
|
|
shell = flist.open_shell()
|
|
if not shell:
|
|
return # couldn't open shell
|
|
|
|
if macosxSupport.runningAsOSXApp() and flist.dict:
|
|
# On OSX: when the user has double-clicked on a file that causes
|
|
# IDLE to be launched the shell window will open just in front of
|
|
# the file she wants to see. Lower the interpreter window when
|
|
# there are open files.
|
|
shell.top.lower()
|
|
|
|
shell = flist.pyshell
|
|
# handle remaining options:
|
|
if debug:
|
|
shell.open_debugger()
|
|
if startup:
|
|
filename = os.environ.get("IDLESTARTUP") or \
|
|
os.environ.get("PYTHONSTARTUP")
|
|
if filename and os.path.isfile(filename):
|
|
shell.interp.execfile(filename)
|
|
if shell and cmd or script:
|
|
shell.interp.runcommand("""if 1:
|
|
import sys as _sys
|
|
_sys.argv = %r
|
|
del _sys
|
|
\n""" % (sys.argv,))
|
|
if cmd:
|
|
shell.interp.execsource(cmd)
|
|
elif script:
|
|
shell.interp.prepend_syspath(script)
|
|
shell.interp.execfile(script)
|
|
|
|
root.mainloop()
|
|
root.destroy()
|
|
|
|
if __name__ == "__main__":
|
|
sys.modules['PyShell'] = sys.modules['__main__']
|
|
main()
|