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  "   	li~Ji?u2\1hy #%    	"""AutoComplete.py - An IDLE extension for automatically completing names.

This extension can complete either attribute names of file names. It can pop
a window with all available names, for the user to select from.
"""
import os
import sys
import string

from idlelib.configHandler import idleConf

# This string includes all chars that may be in a file name (without a path
# separator)
FILENAME_CHARS = string.ascii_letters + string.digits + os.curdir + "._~#$:-"
# This string includes all chars that may be in an identifier
ID_CHARS = string.ascii_letters + string.digits + "_"

# These constants represent the two different types of completions
COMPLETE_ATTRIBUTES, COMPLETE_FILES = range(1, 2+1)

from idlelib import AutoCompleteWindow
from idlelib.HyperParser import HyperParser

import __main__

SEPS = os.sep
if os.altsep:  # e.g. '/' on Windows...
    SEPS += os.altsep

class AutoComplete:

    menudefs = [
        ('edit', [
            ("Show Completions", "<<force-open-completions>>"),
        ])
    ]

    popupwait = idleConf.GetOption("extensions", "AutoComplete",
                                   "popupwait", type="int", default=0)

    def __init__(self, editwin=None):
        self.editwin = editwin
        if editwin is None:  # subprocess and test
            return
        self.text = editwin.text
        self.autocompletewindow = None

        # id of delayed call, and the index of the text insert when the delayed
        # call was issued. If _delayed_completion_id is None, there is no
        # delayed call.
        self._delayed_completion_id = None
        self._delayed_completion_index = None

    def _make_autocomplete_window(self):
        return AutoCompleteWindow.AutoCompleteWindow(self.text)

    def _remove_autocomplete_window(self, event=None):
        if self.autocompletewindow:
            self.autocompletewindow.hide_window()
            self.autocompletewindow = None

    def force_open_completions_event(self, event):
        """Happens when the user really wants to open a completion list, even
        if a function call is needed.
        """
        self.open_completions(True, False, True)

    def try_open_completions_event(self, event):
        """Happens when it would be nice to open a completion list, but not
        really necessary, for example after an dot, so function
        calls won't be made.
        """
        lastchar = self.text.get("insert-1c")
        if lastchar == ".":
            self._open_completions_later(False, False, False,
                                         COMPLETE_ATTRIBUTES)
        elif lastchar in SEPS:
            self._open_completions_later(False, False, False,
                                         COMPLETE_FILES)

    def autocomplete_event(self, event):
        """Happens when the user wants to complete his word, and if necessary,
        open a completion list after that (if there is more than one
        completion)
        """
        if hasattr(event, "mc_state") and event.mc_state:
            # A modifier was pressed along with the tab, continue as usual.
            return
        if self.autocompletewindow and self.autocompletewindow.is_active():
            self.autocompletewindow.complete()
            return "break"
        else:
            opened = self.open_completions(False, True, True)
            if opened:
                return "break"

    def _open_completions_later(self, *args):
        self._delayed_completion_index = self.text.index("insert")
        if self._delayed_completion_id is not None:
            self.text.after_cancel(self._delayed_