Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-tk/tkCommonDialog.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents b53604fad54b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # base class for tk common dialogues
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2 #
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3 # this module provides a base class for accessing the common
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4 # dialogues available in Tk 4.2 and newer. use tkFileDialog,
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5 # tkColorChooser, and tkMessageBox to access the individual
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6 # dialogs.
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7 #
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8 # written by Fredrik Lundh, May 1997
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9 #
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10
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11 from Tkinter import *
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12
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13 class Dialog:
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14
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15 command = None
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16
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17 def __init__(self, master=None, **options):
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18
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19 # FIXME: should this be placed on the module level instead?
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20 if TkVersion < 4.2:
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21 raise TclError, "this module requires Tk 4.2 or newer"
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22
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23 self.master = master
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24 self.options = options
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75237ca56aff When no master widget is specified, use options['parent'] if it exists.
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25 if not master and options.get('parent'):
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26 self.master = options['parent']
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27
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28 def _fixoptions(self):
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29 pass # hook
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30
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31 def _fixresult(self, widget, result):
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32 return result # hook
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33
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34 def show(self, **options):
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35
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36 # update instance options
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37 for k, v in options.items():
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38 self.options[k] = v
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39
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40 self._fixoptions()
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41
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42 # we need a dummy widget to properly process the options
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43 # (at least as long as we use Tkinter 1.63)
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44 w = Frame(self.master)
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45
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46 try:
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47
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48 s = w.tk.call(self.command, *w._options(self.options))
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49
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50 s = self._fixresult(w, s)
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51
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52 finally:
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53
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54 try:
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55 # get rid of the widget
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56 w.destroy()
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57 except:
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58 pass
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59
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60 return s