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mrshakil015mrshakil015
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Updated Section-04 Database Handling
1 parent 514f982 commit fc7fe5f

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-94
lines changed

‎Section-02/02. QPushButton Example.py

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@@ -38,11 +38,6 @@ def create_button(self):
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app = QApplication(sys.argv)
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Window = Window()
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Window.show()

‎Section-04/DbConnection.py renamed to ‎Section-04/01 MySQL Database Connection with UI-01.py

File renamed without changes.

‎Section-04/InsertingDataDatabaes.py renamed to ‎Section-04/02 Inserting Data into Databaes with UI-02.py

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# Form implementation generated from reading ui file 'InsertingDataDatabaes.ui'
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#
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# Created by: PyQt6 UI code generator 6.4.2
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#
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# WARNING: Any manual changes made to this file will be lost when pyuic6 is
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# run again. Do not edit this file unless you know what you are doing.
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from PyQt6 import QtCore, QtGui, QtWidgets
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import mysql.connector as mc
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import re
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class Ui_Form(object):
@@ -48,6 +41,7 @@ def setupUi(self, Form):
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self.label_2.setObjectName("label_2")
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self.horizontalLayout_2.addWidget(self.label_2)
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self.lineEdit_password = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_password.setMaxLength(8)
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self.lineEdit_password.setEchoMode(QtWidgets.QLineEdit.EchoMode.Password)
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self.lineEdit_password.setObjectName("lineEdit_password")
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self.horizontalLayout_2.addWidget(self.lineEdit_password)
@@ -86,17 +80,32 @@ def insert_data(self):
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mycursor = mydb.cursor()
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username = self.lineEdit_username.text()
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password = self.lineEdit_password.text()
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# Password length requirements: Minimum 6 characters, Maximum 6 characters
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if len(password) != 8:
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self.label_result.setText("Password length must be 8 characters.")
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self.label_result.setStyleSheet("color: red")
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return
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# Password strength requirements: At least 1 digit, 1 uppercase letter, and 1 special character
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if not (re.search(r"\d", password) and re.search(r"[A-Z]", password) and re.search(r"[!@#$%^&*()_+{}|:<>?~-]", password)):
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self.label_result.setText("Weak password!")
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self.label_result.setStyleSheet("color: red")
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return
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query = "INSERT INTO pyqtusers (username, password) VALUES (%s, %s)"
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value = (username, password)
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mycursor.execute(query, value)
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mydb.commit()
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self.label_result.setText("Data Inserted")
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self.label_result.setStyleSheet("color: green")
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except mc.Error as e:
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self.label_result.setText("Error Inserting Data.")
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self.label_result.setStyleSheet("color: red")
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def retranslateUi(self, Form):

‎Section-04/03 Show Data From Database with UI-03.py

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@@ -0,0 +1,117 @@
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# Form implementation generated from reading ui file 'ShowData.ui'
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#
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# Created by: PyQt6 UI code generator 6.4.2
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#
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# WARNING: Any manual changes made to this file will be lost when pyuic6 is
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# run again. Do not edit this file unless you know what you are doing.
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from PyQt6 import QtCore, QtGui, QtWidgets
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import mysql.connector as mc
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from PyQt6.QtWidgets import QTableWidgetItem
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class Ui_Form(object):
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def setupUi(self, Form):
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Form.setObjectName("Form")
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Form.resize(600, 500)
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self.verticalLayout = QtWidgets.QVBoxLayout(Form)
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self.verticalLayout.setObjectName("verticalLayout")
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self.horizontalLayout = QtWidgets.QHBoxLayout()
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self.horizontalLayout.setObjectName("horizontalLayout")
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self.label = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label.setFont(font)
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self.label.setObjectName("label")
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self.horizontalLayout.addWidget(self.label)
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self.lineEdit_dbname = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_dbname.setObjectName("lineEdit_dbname")
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self.horizontalLayout.addWidget(self.lineEdit_dbname)
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self.verticalLayout.addLayout(self.horizontalLayout)
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self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
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self.horizontalLayout_2.setObjectName("horizontalLayout_2")
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self.label_2 = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_2.setFont(font)
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self.label_2.setObjectName("label_2")
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self.horizontalLayout_2.addWidget(self.label_2)
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self.lineEdit_dbtable = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_dbtable.setObjectName("lineEdit_dbtable")
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self.horizontalLayout_2.addWidget(self.lineEdit_dbtable)
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self.verticalLayout.addLayout(self.horizontalLayout_2)
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self.tableWidget = QtWidgets.QTableWidget(parent=Form)
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self.tableWidget.setLineWidth(3)
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self.tableWidget.setObjectName("tableWidget")
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self.tableWidget.setColumnCount(3)
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self.tableWidget.setRowCount(0)
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item = QtWidgets.QTableWidgetItem()
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self.tableWidget.setHorizontalHeaderItem(0, item)
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item = QtWidgets.QTableWidgetItem()
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self.tableWidget.setHorizontalHeaderItem(1, item)
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item = QtWidgets.QTableWidgetItem()
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self.tableWidget.setHorizontalHeaderItem(2, item)
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self.tableWidget.horizontalHeader().setDefaultSectionSize(180)
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self.verticalLayout.addWidget(self.tableWidget)
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self.pushButton_search = QtWidgets.QPushButton(parent=Form)
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self.pushButton_search.setObjectName("pushButton_search")
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#Connect Signal
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self.pushButton_search.clicked.connect(self.show_data)
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self.verticalLayout.addWidget(self.pushButton_search)
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self.retranslateUi(Form)
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QtCore.QMetaObject.connectSlotsByName(Form)
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def show_data(self):
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dbname = self.lineEdit_dbname.text()
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tbname = self.lineEdit_dbtable.text()
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try:
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mydb = mc.connect(
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host="localhost",
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user="root",
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password="",
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database=dbname
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)
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mycursor = mydb.cursor()
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mycursor.execute("SELECT * FROM {} ".format(tbname))
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result = mycursor.fetchall()
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self.tableWidget.setRowCount(0)
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for row_number, row_data in enumerate(result):
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self.tableWidget.insertRow(row_number)
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for column_number, data in enumerate(row_data):
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self.tableWidget.setItem(row_number, column_number, QTableWidgetItem(str(data)))
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except mc.Error as e:
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print("Error occured")
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def retranslateUi(self, Form):
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_translate = QtCore.QCoreApplication.translate
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Form.setWindowTitle(_translate("Form", "Form"))
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self.label.setText(_translate("Form", "Database Name:"))
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self.label_2.setText(_translate("Form", "Table Name:"))
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item = self.tableWidget.horizontalHeaderItem(0)
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item.setText(_translate("Form", "ID"))
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item = self.tableWidget.horizontalHeaderItem(1)
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item.setText(_translate("Form", "Username"))
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item = self.tableWidget.horizontalHeaderItem(2)
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item.setText(_translate("Form", "Password"))
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self.pushButton_search.setText(_translate("Form", "Show Data"))
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if __name__ == "__main__":
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import sys
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app = QtWidgets.QApplication(sys.argv)
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Form = QtWidgets.QWidget()
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ui = Ui_Form()
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ui.setupUi(Form)
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Form.show()
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sys.exit(app.exec())

‎Section-04/InsertingDataDatabaes_ui.py

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This file was deleted.

‎Section-04/SearchData.ui

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>Form</class>
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<widget class="QWidget" name="Form">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>600</width>
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<height>500</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Form</string>
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</property>
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<widget class="QLabel" name="label">
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<property name="geometry">
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<rect>
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<x>40</x>
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<y>30</y>
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<width>141</width>
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<height>16</height>
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</rect>
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</property>
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<property name="text">
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<string>Database Name</string>
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</property>
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</widget>
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<widget class="QLabel" name="label_2">
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<property name="geometry">
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<rect>
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<x>40</x>
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<y>50</y>
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<width>121</width>
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<height>16</height>
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</rect>
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</property>
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<property name="text">
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<string>Table Name</string>
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</property>
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</widget>
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<widget class="QLabel" name="label_3">
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<property name="geometry">
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<rect>
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<x>40</x>
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<y>80</y>
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<width>49</width>
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<height>16</height>
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</rect>
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</property>
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<property name="text">
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<string>User Name</string>
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</property>
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</widget>
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<widget class="QLabel" name="label_4">
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<property name="geometry">
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<rect>
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<x>30</x>
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<y>370</y>
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<width>49</width>
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<height>16</height>
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</rect>
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</property>
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<property name="text">
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<string>TextLabel</string>
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</property>
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</widget>
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<widget class="QLabel" name="label_5">
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<property name="geometry">
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<rect>
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<x>30</x>
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<y>400</y>
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<width>49</width>
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<height>16</height>
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</rect>
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</property>
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<property name="text">
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<string>TextLabel</string>
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</property>
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</widget>
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</widget>
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<resources/>
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<connections/>
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</ui>

‎Section-04/DbConnection.ui renamed to ‎Section-04/UI-01 MySQL Database Connection.ui

File renamed without changes.

‎Section-04/InsertingDataDatabaes.ui renamed to ‎Section-04/UI-02 InsertingDataDatabaes.ui

File renamed without changes.

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