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# base class for tk common dialogues
#
# this module provides a base class for accessing the common
# dialogues available in Tk 4.2 and newer. use filedialog,
# colorchooser, and messagebox to access the individual
# dialogs.
#
# written by Fredrik Lundh, May 1997
#
__all__ = ["Dialog"]
from tkinter import _get_temp_root, _destroy_temp_root
class Dialog:
command = None
def __init__(self, master=None, **options):
if master is None:
master = options.get('parent')
self.master = master
self.options = options
def _fixoptions(self):
pass # hook
def _fixresult(self, widget, result):
return result # hook
def show(self, **options):
# update instance options
for k, v in options.items():
self.options[k] = v
self._fixoptions()
master = self.master
if master is None:
master = _get_temp_root()
try:
self._test_callback(master) # The function below is replaced for some tests.
s = master.tk.call(self.command, *master._options(self.options))
s = self._fixresult(master, s)
finally:
_destroy_temp_root(master)
return s
def _test_callback(self, master):
pass
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