Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-tk/tkMessageBox.py @ 25838:8540887bcec6 2.2

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Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.
author Guido van Rossum <guido@python.org>
date Fri, 18 Oct 2002 13:42:21 +0000
parents f2bf7bcf8b8b
children 90c77b8af1a4
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1 #
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2 # Instant Python
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3 # $Id$
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4 #
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5 # tk common message boxes
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6 #
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7 # this module provides an interface to the native message boxes
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8 # available in Tk 4.2 and newer.
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9 #
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10 # written by Fredrik Lundh, May 1997
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11 #
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12
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13 #
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14 # options (all have default values):
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15 #
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16 # - default: which button to make default (one of the reply codes)
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17 #
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18 # - icon: which icon to display (see below)
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19 #
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20 # - message: the message to display
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21 #
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22 # - parent: which window to place the dialog on top of
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23 #
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24 # - title: dialog title
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25 #
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26 # - type: dialog type; that is, which buttons to display (see below)
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27 #
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28
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29 from tkCommonDialog import Dialog
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30
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31 #
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32 # constants
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33
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34 # icons
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35 ERROR = "error"
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36 INFO = "info"
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37 QUESTION = "question"
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38 WARNING = "warning"
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39
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40 # types
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41 ABORTRETRYIGNORE = "abortretryignore"
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42 OK = "ok"
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43 OKCANCEL = "okcancel"
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44 RETRYCANCEL = "retrycancel"
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45 YESNO = "yesno"
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46 YESNOCANCEL = "yesnocancel"
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47
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48 # replies
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49 ABORT = "abort"
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50 RETRY = "retry"
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51 IGNORE = "ignore"
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52 OK = "ok"
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53 CANCEL = "cancel"
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54 YES = "yes"
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55 NO = "no"
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56
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57
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58 #
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59 # message dialog class
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60
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61 class Message(Dialog):
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62 "A message box"
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63
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64 command = "tk_messageBox"
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65
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66
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67 #
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68 # convenience stuff
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69
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70 def _show(title=None, message=None, icon=None, type=None, **options):
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71 if icon: options["icon"] = icon
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72 if type: options["type"] = type
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73 if title: options["title"] = title
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74 if message: options["message"] = message
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75 return apply(Message, (), options).show()
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76
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77 def showinfo(title=None, message=None, **options):
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78 "Show an info message"
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79 return apply(_show, (title, message, INFO, OK), options)
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80
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81 def showwarning(title=None, message=None, **options):
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82 "Show a warning message"
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83 return apply(_show, (title, message, WARNING, OK), options)
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84
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85 def showerror(title=None, message=None, **options):
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86 "Show an error message"
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87 return apply(_show, (title, message, ERROR, OK), options)
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88
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89 def askquestion(title=None, message=None, **options):
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90 "Ask a question"
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91 return apply(_show, (title, message, QUESTION, YESNO), options)
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92
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93 def askokcancel(title=None, message=None, **options):
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94 "Ask if operation should proceed; return true if the answer is ok"
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95 s = apply(_show, (title, message, QUESTION, OKCANCEL), options)
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96 return s == OK
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97
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98 def askyesno(title=None, message=None, **options):
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99 "Ask a question; return true if the answer is yes"
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100 s = apply(_show, (title, message, QUESTION, YESNO), options)
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101 return s == YES
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102
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103 def askretrycancel(title=None, message=None, **options):
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104 "Ask if operation should be retried; return true if the answer is yes"
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105 s = apply(_show, (title, message, WARNING, RETRYCANCEL), options)
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106 return s == RETRY
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107
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108
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109 # --------------------------------------------------------------------
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110 # test stuff
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111
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112 if __name__ == "__main__":
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113
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114 print "info", showinfo("Spam", "Egg Information")
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115 print "warning", showwarning("Spam", "Egg Warning")
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116 print "error", showerror("Spam", "Egg Alert")
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117 print "question", askquestion("Spam", "Question?")
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118 print "proceed", askokcancel("Spam", "Proceed?")
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119 print "yes/no", askyesno("Spam", "Got it?")
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120 print "try again", askretrycancel("Spam", "Try again?")