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87e7a14ee3
* Tkinter functions and constructors which need a default root window
raise now RuntimeError with descriptive message instead of obscure
AttributeError or NameError if it is not created yet or cannot
be created automatically.
* Add tests for all functions which use default root window.
* Fix import in the pynche script.
(cherry picked from commit 3d569fd6dc)
58 lines
1.2 KiB
Python
58 lines
1.2 KiB
Python
# base class for tk common dialogues
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#
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# this module provides a base class for accessing the common
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# dialogues available in Tk 4.2 and newer. use filedialog,
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# colorchooser, and messagebox to access the individual
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# dialogs.
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#
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# written by Fredrik Lundh, May 1997
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#
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__all__ = ["Dialog"]
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from tkinter import Frame
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class Dialog:
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command = None
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def __init__(self, master=None, **options):
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if not master:
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master = options.get('parent')
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self.master = master
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self.options = options
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def _fixoptions(self):
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pass # hook
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def _fixresult(self, widget, result):
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return result # hook
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def show(self, **options):
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# update instance options
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for k, v in options.items():
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self.options[k] = v
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self._fixoptions()
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# we need a dummy widget to properly process the options
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# (at least as long as we use Tkinter 1.63)
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w = Frame(self.master)
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try:
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s = w.tk.call(self.command, *w._options(self.options))
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s = self._fixresult(w, s)
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finally:
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try:
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# get rid of the widget
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w.destroy()
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except:
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pass
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return s
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