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Name	Size	Permission	Date
Icons	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
__pycache__	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
idle_test	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
CREDITS.txt	2.1 KB	-rw-r--r--	2025-06-04 09:23
ChangeLog	55.04 KB	-rw-r--r--	2025-06-04 09:23
HISTORY.txt	10.07 KB	-rw-r--r--	2025-06-04 09:23
NEWS.txt	52.92 KB	-rw-r--r--	2025-06-04 09:23
NEWS2x.txt	26.54 KB	-rw-r--r--	2025-06-04 09:23
README.txt	11.38 KB	-rw-r--r--	2025-06-04 09:23
TODO.txt	8.28 KB	-rw-r--r--	2025-06-04 09:23
__init__.py	396 B	-rw-r--r--	2025-06-04 09:23
__main__.py	159 B	-rw-r--r--	2025-06-04 09:23
autocomplete.py	9.13 KB	-rw-r--r--	2025-06-04 09:23
autocomplete_w.py	20.6 KB	-rw-r--r--	2025-06-04 09:23
autoexpand.py	3.14 KB	-rw-r--r--	2025-06-04 09:23
browser.py	8.38 KB	-rw-r--r--	2025-06-04 09:23
calltip.py	7.1 KB	-rw-r--r--	2025-06-04 09:23
calltip_w.py	6.99 KB	-rw-r--r--	2025-06-04 09:23
codecontext.py	11.15 KB	-rw-r--r--	2025-06-04 09:23
colorizer.py	14.43 KB	-rw-r--r--	2025-06-04 09:23
config-extensions.def	2.21 KB	-rw-r--r--	2025-06-04 09:23
config-highlight.def	2.8 KB	-rw-r--r--	2025-06-04 09:23
config-keys.def	10.65 KB	-rw-r--r--	2025-06-04 09:23
config-main.def	3.09 KB	-rw-r--r--	2025-06-04 09:23
config.py	37.28 KB	-rw-r--r--	2025-06-04 09:23
config_key.py	14.87 KB	-rw-r--r--	2025-06-04 09:23
configdialog.py	103.25 KB	-rw-r--r--	2025-06-04 09:23
debugger.py	18.66 KB	-rw-r--r--	2025-06-04 09:23
debugger_r.py	11.88 KB	-rw-r--r--	2025-06-04 09:23
debugobj.py	3.96 KB	-rw-r--r--	2025-06-04 09:23
debugobj_r.py	1.06 KB	-rw-r--r--	2025-06-04 09:23
delegator.py	1.02 KB	-rw-r--r--	2025-06-04 09:23
dynoption.py	1.94 KB	-rw-r--r--	2025-06-04 09:23
editor.py	64.83 KB	-rw-r--r--	2025-06-04 09:23
extend.txt	3.55 KB	-rw-r--r--	2025-06-04 09:23
filelist.py	3.79 KB	-rw-r--r--	2025-06-04 09:23
format.py	15.41 KB	-rw-r--r--	2025-06-04 09:23
grep.py	7.3 KB	-rw-r--r--	2025-06-04 09:23
help.html	77.27 KB	-rw-r--r--	2025-06-04 09:23
help.py	11.58 KB	-rw-r--r--	2025-06-04 09:23
help_about.py	8.89 KB	-rw-r--r--	2025-06-04 09:23
history.py	3.97 KB	-rw-r--r--	2025-06-04 09:23
hyperparser.py	12.59 KB	-rw-r--r--	2025-06-04 09:23
idle.bat	177 B	-rw-r--r--	2025-06-04 09:23
idle.py	454 B	-rw-r--r--	2025-06-04 09:23
idle.pyw	570 B	-rw-r--r--	2025-06-04 09:23
iomenu.py	15.6 KB	-rw-r--r--	2025-06-04 09:23
macosx.py	9.91 KB	-rw-r--r--	2025-06-04 09:23
mainmenu.py	3.85 KB	-rw-r--r--	2025-06-04 09:23
multicall.py	18.21 KB	-rw-r--r--	2025-06-04 09:23
outwin.py	5.58 KB	-rw-r--r--	2025-06-04 09:23
parenmatch.py	7.04 KB	-rw-r--r--	2025-06-04 09:23
pathbrowser.py	3.12 KB	-rw-r--r--	2025-06-04 09:23
percolator.py	3.46 KB	-rw-r--r--	2025-06-04 09:23
pyparse.py	19.4 KB	-rw-r--r--	2025-06-04 09:23
pyshell.py	61.5 KB	-rwxr-xr-x	2025-06-04 09:23
query.py	14.72 KB	-rw-r--r--	2025-06-04 09:23
redirector.py	6.71 KB	-rw-r--r--	2025-06-04 09:23
replace.py	9.76 KB	-rw-r--r--	2025-06-04 09:23
rpc.py	20.59 KB	-rw-r--r--	2025-06-04 09:23
run.py	21 KB	-rw-r--r--	2025-06-04 09:23
runscript.py	8.08 KB	-rw-r--r--	2025-06-04 09:23
scrolledlist.py	4.36 KB	-rw-r--r--	2025-06-04 09:23
search.py	5.44 KB	-rw-r--r--	2025-06-04 09:23
searchbase.py	7.67 KB	-rw-r--r--	2025-06-04 09:23
searchengine.py	7.19 KB	-rw-r--r--	2025-06-04 09:23
sidebar.py	19.88 KB	-rw-r--r--	2025-06-04 09:23
squeezer.py	12.53 KB	-rw-r--r--	2025-06-04 09:23
stackviewer.py	4.35 KB	-rw-r--r--	2025-06-04 09:23
statusbar.py	1.44 KB	-rw-r--r--	2025-06-04 09:23
textview.py	6.65 KB	-rw-r--r--	2025-06-04 09:23
tooltip.py	6.4 KB	-rw-r--r--	2025-06-04 09:23
tree.py	15.99 KB	-rw-r--r--	2025-06-04 09:23
undo.py	10.79 KB	-rw-r--r--	2025-06-04 09:23
util.py	701 B	-rw-r--r--	2025-06-04 09:23
window.py	2.55 KB	-rw-r--r--	2025-06-04 09:23
zoomheight.py	4.1 KB	-rw-r--r--	2025-06-04 09:23
zzdummy.py	1.96 KB	-rw-r--r--	2025-06-04 09:23

Rename

from idlelib.delegator import Delegator
from idlelib.redirector import WidgetRedirector

class Percolator:

def __init__(self, text):
        # XXX would be nice to inherit from Delegator
        self.text = text
        self.redir = WidgetRedirector(text)
        self.top = self.bottom = Delegator(text)
        self.bottom.insert = self.redir.register("insert", self.insert)
        self.bottom.delete = self.redir.register("delete", self.delete)
        self.filters = []

def close(self):
        while self.top is not self.bottom:
            self.removefilter(self.top)
        self.top = None
        self.bottom.setdelegate(None)
        self.bottom = None
        self.redir.close()
        self.redir = None
        self.text = None

def insert(self, index, chars, tags=None):
        # Could go away if inheriting from Delegator
        self.top.insert(index, chars, tags)

def delete(self, index1, index2=None):
        # Could go away if inheriting from Delegator
        self.top.delete(index1, index2)

def insertfilter(self, filter):
        # Perhaps rename to pushfilter()?
        assert isinstance(filter, Delegator)
        assert filter.delegate is None
        filter.setdelegate(self.top)
        self.top = filter

def insertfilterafter(self, filter, after):
        assert isinstance(filter, Delegator)
        assert isinstance(after, Delegator)
        assert filter.delegate is None

f = self.top
        f.resetcache()
        while f is not after:
            assert f is not self.bottom
            f = f.delegate
            f.resetcache()

filter.setdelegate(f.delegate)
        f.setdelegate(filter)

def removefilter(self, filter):
        # XXX Perhaps should only support popfilter()?
        assert isinstance(filter, Delegator)
        assert filter.delegate is not None
        f = self.top
        if f is filter:
            self.top = filter.delegate
            filter.setdelegate(None)
        else:
            while f.delegate is not filter:
                assert f is not self.bottom
                f.resetcache()
                f = f.delegate
            f.setdelegate(filter.delegate)
            filter.setdelegate(None)

def _percolator(parent):  # htest #
    import tkinter as tk

class Tracer(Delegator):
        def __init__(self, name):
            self.name = name
            Delegator.__init__(self, None)

def insert(self, *args):
            print(self.name, ": insert", args)
            self.delegate.insert(*args)

def delete(self, *args):
            print(self.name, ": delete", args)
            self.delegate.delete(*args)

box = tk.Toplevel(parent)
    box.title("Test Percolator")
    x, y = map(int, parent.geometry().split('+')[1:])
    box.geometry("+%d+%d" % (x, y + 175))
    text = tk.Text(box)
    p = Percolator(text)
    pin = p.insertfilter
    pout = p.removefilter
    t1 = Tracer("t1")
    t2 = Tracer("t2")

def toggle1():
        (pin if var1.get() else pout)(t1)
    def toggle2():
        (pin if var2.get() else pout)(t2)

text.pack()
    var1 = tk.IntVar(parent)
    cb1 = tk.Checkbutton(box, text="Tracer1", command=toggle1, variable=var1)
    cb1.pack()
    var2 = tk.IntVar(parent)
    cb2 = tk.Checkbutton(box, text="Tracer2", command=toggle2, variable=var2)
    cb2.pack()

if __name__ == "__main__":
    from unittest import main
    main('idlelib.idle_test.test_percolator', verbosity=2, exit=False)

from idlelib.idle_test.htest import run
    run(_percolator)