Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-tk/tkMessageBox.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 79845e3d5cac
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # tk common message boxes
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2 #
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3 # this module provides an interface to the native message boxes
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4 # available in Tk 4.2 and newer.
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5 #
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6 # written by Fredrik Lundh, May 1997
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7 #
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8
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9 #
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10 # options (all have default values):
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11 #
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12 # - default: which button to make default (one of the reply codes)
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13 #
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14 # - icon: which icon to display (see below)
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15 #
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16 # - message: the message to display
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17 #
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18 # - parent: which window to place the dialog on top of
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19 #
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20 # - title: dialog title
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21 #
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22 # - type: dialog type; that is, which buttons to display (see below)
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23 #
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24
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25 from tkCommonDialog import Dialog
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26
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27 #
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28 # constants
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29
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30 # icons
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31 ERROR = "error"
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32 INFO = "info"
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33 QUESTION = "question"
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34 WARNING = "warning"
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35
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36 # types
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37 ABORTRETRYIGNORE = "abortretryignore"
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38 OK = "ok"
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39 OKCANCEL = "okcancel"
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40 RETRYCANCEL = "retrycancel"
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41 YESNO = "yesno"
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42 YESNOCANCEL = "yesnocancel"
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43
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44 # replies
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45 ABORT = "abort"
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46 RETRY = "retry"
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47 IGNORE = "ignore"
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48 OK = "ok"
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49 CANCEL = "cancel"
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50 YES = "yes"
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51 NO = "no"
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52
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53
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54 #
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55 # message dialog class
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56
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57 class Message(Dialog):
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58 "A message box"
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59
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60 command = "tk_messageBox"
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61
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62
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63 #
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64 # convenience stuff
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65
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66 # Rename _icon and _type options to allow overriding them in options
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67 def _show(title=None, message=None, _icon=None, _type=None, **options):
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68 if _icon and "icon" not in options: options["icon"] = _icon
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69 if _type and "type" not in options: options["type"] = _type
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70 if title: options["title"] = title
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71 if message: options["message"] = message
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72 res = Message(**options).show()
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73 # In some Tcl installations, yes/no is converted into a boolean.
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74 if isinstance(res, bool):
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75 if res:
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76 return YES
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77 return NO
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78 # In others we get a Tcl_Obj.
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79 return str(res)
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80
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81 def showinfo(title=None, message=None, **options):
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82 "Show an info message"
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83 return _show(title, message, INFO, OK, **options)
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84
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85 def showwarning(title=None, message=None, **options):
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86 "Show a warning message"
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87 return _show(title, message, WARNING, OK, **options)
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88
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89 def showerror(title=None, message=None, **options):
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90 "Show an error message"
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91 return _show(title, message, ERROR, OK, **options)
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92
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93 def askquestion(title=None, message=None, **options):
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94 "Ask a question"
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95 return _show(title, message, QUESTION, YESNO, **options)
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96
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97 def askokcancel(title=None, message=None, **options):
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98 "Ask if operation should proceed; return true if the answer is ok"
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99 s = _show(title, message, QUESTION, OKCANCEL, **options)
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100 return s == OK
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101
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102 def askyesno(title=None, message=None, **options):
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103 "Ask a question; return true if the answer is yes"
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104 s = _show(title, message, QUESTION, YESNO, **options)
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105 return s == YES
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106
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107 def askyesnocancel(title=None, message=None, **options):
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108 "Ask a question; return true if the answer is yes, None if cancelled."
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109 s = _show(title, message, QUESTION, YESNOCANCEL, **options)
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110 # s might be a Tcl index object, so convert it to a string
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111 s = str(s)
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112 if s == CANCEL:
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113 return None
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114 return s == YES
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115
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116 def askretrycancel(title=None, message=None, **options):
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117 "Ask if operation should be retried; return true if the answer is yes"
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118 s = _show(title, message, WARNING, RETRYCANCEL, **options)
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119 return s == RETRY
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120
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121
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122 # --------------------------------------------------------------------
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123 # test stuff
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124
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125 if __name__ == "__main__":
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126
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127 print "info", showinfo("Spam", "Egg Information")
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128 print "warning", showwarning("Spam", "Egg Warning")
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129 print "error", showerror("Spam", "Egg Alert")
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130 print "question", askquestion("Spam", "Question?")
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131 print "proceed", askokcancel("Spam", "Proceed?")
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132 print "yes/no", askyesno("Spam", "Got it?")
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133 print "yes/no/cancel", askyesnocancel("Spam", "Want it?")
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134 print "try again", askretrycancel("Spam", "Try again?")