SqlBrowser/SqlBrowser.py

Sat, 05 Jul 2014 11:41:14 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 05 Jul 2014 11:41:14 +0200
changeset 3669
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parent 3656
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child 4021
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permissions
-rw-r--r--

Continued renaming eric5 for PyQt5 to eric6.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2014 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 the SQL Browser main window.
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8 """
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9
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10 from __future__ import unicode_literals
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11
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12 from PyQt5.QtCore import QTimer, QUrl
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13 from PyQt5.QtGui import QKeySequence
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14 from PyQt5.QtWidgets import qApp
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15 from PyQt5.QtSql import QSqlError, QSqlDatabase
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16
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17 from E5Gui.E5Action import E5Action
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18 from E5Gui import E5MessageBox
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19 from E5Gui.E5MainWindow import E5MainWindow
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20
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21 import UI.PixmapCache
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22 import UI.Config
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23
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24 import Preferences
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25
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26
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27 class SqlBrowser(E5MainWindow):
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28 """
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29 Class implementing the SQL Browser main window.
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30 """
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31 def __init__(self, connections=[], parent=None):
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32 """
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33 Constructor
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34
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35 @param connections list of database connections to add
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36 (list of strings)
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37 @param parent reference to the parent widget (QWidget)
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38 """
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39 super(SqlBrowser, self).__init__(parent)
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40 self.setObjectName("SqlBrowser")
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41
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42 self.setWindowTitle(self.tr("SQL Browser"))
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43 self.setWindowIcon(UI.PixmapCache.getIcon("eric.png"))
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44
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45 self.setStyle(Preferences.getUI("Style"),
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46 Preferences.getUI("StyleSheet"))
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47
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48 from .SqlBrowserWidget import SqlBrowserWidget
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49 self.__browser = SqlBrowserWidget(self)
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50 self.setCentralWidget(self.__browser)
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51
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52 self.__browser.statusMessage.connect(self.statusBar().showMessage)
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53
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54 self.__initActions()
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55 self.__initMenus()
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56 self.__initToolbars()
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57
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58 self.resize(self.__browser.size())
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59
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60 self.__warnings = []
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61
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62 for connection in connections:
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63 url = QUrl(connection, QUrl.TolerantMode)
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64 if not url.isValid():
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65 self.__warnings.append(
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66 self.tr("Invalid URL: {0}").format(connection))
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67 continue
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68
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69 err = self.__browser.addConnection(url.scheme(), url.path(),
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70 url.userName(), url.password(),
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71 url.host(), url.port(-1))
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72 if err.type() != QSqlError.NoError:
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73 self.__warnings.append(
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74 self.tr("Unable to open connection: {0}".format(
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75 err.text())))
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76
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77 QTimer.singleShot(0, self.__uiStartUp)
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78
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79 def __uiStartUp(self):
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80 """
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81 Private slot to do some actions after the UI has started and the main
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82 loop is up.
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83 """
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84 for warning in self.__warnings:
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85 E5MessageBox.warning(
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86 self,
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87 self.tr("SQL Browser startup problem"),
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88 warning)
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89
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90 if len(QSqlDatabase.connectionNames()) == 0:
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91 self.__browser.addConnectionByDialog()
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92
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93 def __initActions(self):
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94 """
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95 Private method to define the user interface actions.
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96 """
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97 # list of all actions
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98 self.__actions = []
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99
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100 self.addConnectionAct = E5Action(
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101 self.tr('Add Connection'),
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102 UI.PixmapCache.getIcon("databaseConnection.png"),
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103 self.tr('Add &Connection...'),
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104 0, 0, self, 'sql_file_add_connection')
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105 self.addConnectionAct.setStatusTip(self.tr(
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106 'Open a dialog to add a new database connection'))
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107 self.addConnectionAct.setWhatsThis(self.tr(
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108 """<b>Add Connection</b>"""
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109 """<p>This opens a dialog to add a new database"""
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110 """ connection.</p>"""
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111 ))
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112 self.addConnectionAct.triggered.connect(
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113 self.__browser.addConnectionByDialog)
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114 self.__actions.append(self.addConnectionAct)
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115
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116 self.exitAct = E5Action(
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117 self.tr('Quit'),
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118 UI.PixmapCache.getIcon("exit.png"),
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119 self.tr('&Quit'),
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120 QKeySequence(self.tr("Ctrl+Q", "File|Quit")),
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121 0, self, 'sql_file_quit')
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122 self.exitAct.setStatusTip(self.tr('Quit the SQL browser'))
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123 self.exitAct.setWhatsThis(self.tr(
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124 """<b>Quit</b>"""
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125 """<p>Quit the SQL browser.</p>"""
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126 ))
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127 self.exitAct.triggered.connect(qApp.closeAllWindows)
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128
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129 self.aboutAct = E5Action(
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130 self.tr('About'),
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131 self.tr('&About'),
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132 0, 0, self, 'sql_help_about')
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133 self.aboutAct.setStatusTip(self.tr(
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134 'Display information about this software'))
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135 self.aboutAct.setWhatsThis(self.tr(
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136 """<b>About</b>"""
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137 """<p>Display some information about this software.</p>"""
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138 ))
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139 self.aboutAct.triggered.connect(self.__about)
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140 self.__actions.append(self.aboutAct)
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141
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142 self.aboutQtAct = E5Action(
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143 self.tr('About Qt'),
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144 self.tr('About &Qt'),
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145 0, 0, self, 'sql_help_about_qt')
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146 self.aboutQtAct.setStatusTip(
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147 self.tr('Display information about the Qt toolkit'))
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148 self.aboutQtAct.setWhatsThis(self.tr(
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149 """<b>About Qt</b>"""
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150 """<p>Display some information about the Qt toolkit.</p>"""
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151 ))
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152 self.aboutQtAct.triggered.connect(self.__aboutQt)
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153 self.__actions.append(self.aboutQtAct)
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154
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155 def __initMenus(self):
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156 """
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157 Private method to create the menus.
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158 """
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159 mb = self.menuBar()
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160
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161 menu = mb.addMenu(self.tr('&File'))
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162 menu.setTearOffEnabled(True)
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163 menu.addAction(self.addConnectionAct)
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164 menu.addSeparator()
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165 menu.addAction(self.exitAct)
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166
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167 mb.addSeparator()
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168
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169 menu = mb.addMenu(self.tr('&Help'))
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170 menu.setTearOffEnabled(True)
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171 menu.addAction(self.aboutAct)
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172 menu.addAction(self.aboutQtAct)
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173
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174 def __initToolbars(self):
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175 """
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176 Private method to create the toolbars.
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177 """
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178 filetb = self.addToolBar(self.tr("File"))
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179 filetb.setObjectName("FileToolBar")
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180 filetb.setIconSize(UI.Config.ToolBarIconSize)
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181 filetb.addAction(self.addConnectionAct)
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182 filetb.addSeparator()
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183 filetb.addAction(self.exitAct)
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184
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185 def __about(self):
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186 """
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187 Private slot to show the about information.
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188 """
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189 E5MessageBox.about(
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190 self,
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191 self.tr("SQL Browser"),
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192 self.tr(
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193 """<h3>About SQL Browser</h3>"""
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194 """<p>The SQL browser window is a little tool to examine """
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195 """the data and the schema of a database and to execute """
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196 """queries on a database.</p>"""
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197 )
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198 )
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199
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200 def __aboutQt(self):
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201 """
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202 Private slot to show info about Qt.
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203 """
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204 E5MessageBox.aboutQt(self, self.tr("SQL Browser"))

eric ide

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