eric6/E5Gui/E5PasswordMeter.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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child 8218
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permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2011 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a custom widget indicating the strength of a password.
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8 """
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9
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10 from PyQt5.QtWidgets import QProgressBar
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11
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12 from Utilities.PasswordChecker import PasswordChecker
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13
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14
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15 class E5PasswordMeter(QProgressBar):
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16 """
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17 Class implementing a custom widget indicating the strength of a password.
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18 """
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19 def __init__(self, parent=None):
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20 """
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21 Constructor
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22
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23 @param parent reference to the parent widget (QWidget)
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24 """
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25 super(E5PasswordMeter, self).__init__(parent)
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26
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27 super(E5PasswordMeter, self).setTextVisible(False)
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28 super(E5PasswordMeter, self).setMaximum(100)
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29 self.__increment = 100 // (PasswordChecker.Complexity_VeryStrong + 1)
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30
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31 self.__indicatorColors = [
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32 "#ff0000", # red
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33 "#ff8800", # orange
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34 "#ffff00", # yellow
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35 "#ccff00", # yellow green
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36 "#00ff00", # green
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37 ]
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38 self.__noIndicator = "#ffffff"
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39
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40 self.__styleSheetTemplate = (
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41 "QProgressBar {{"
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42 " border: 2px solid black;"
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43 " border-radius: 5px;"
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44 " text-align: center; }}"
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45 "QProgressBar::chunk:horizontal {{"
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46 " background-color: {0}; }}"
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47 )
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48 self.setStyleSheet(
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49 self.__styleSheetTemplate.format(self.__noIndicator))
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50
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51 def checkPasswordStrength(self, password):
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52 """
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53 Public slot to check the password strength and update the
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54 progress bar accordingly.
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55
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56 @param password password to be checked (string)
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57 """
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58 strength = PasswordChecker().checkPassword(password)
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59 self.setStyleSheet(self.__styleSheetTemplate.format(
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60 self.__indicatorColors[strength]))
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61 super(E5PasswordMeter, self).setValue(
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62 (strength + 1) * self.__increment)
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63
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64 def setValue(self, value):
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65 """
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66 Public method to set the value.
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67
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68 Overwritten to do nothing.
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69
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70 @param value value (integer)
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71 """
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72 pass
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73
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74 def setMaximum(self, value):
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75 """
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76 Public method to set the maximum value.
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77
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78 Overwritten to do nothing.
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79
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80 @param value maximum value (integer)
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81 """
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82 pass
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83
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84 def setMinimum(self, value):
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85 """
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86 Public method to set the minimal value.
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87
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88 Overwritten to do nothing.
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89
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90 @param value minimum value (integer)
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91 """
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92 pass
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93
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94 if __name__ == "__main__":
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95 import sys
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96 from PyQt5.QtWidgets import QApplication
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97
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98 app = QApplication(sys.argv)
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99 meter = E5PasswordMeter()
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100 meter.show()
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101 meter.checkPasswordStrength("Blah2+")
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102 app.exec()

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