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Ankit Yadav
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‎encdec.py‎

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# -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file 'encdec.ui'
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#
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# Created by: PyQt5 UI code generator 5.15.4
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#
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# WARNING: Any manual changes made to this file will be lost when pyuic5 is
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# run again. Do not edit this file unless you know what you are doing.
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from PyQt5 import QtCore, QtGui, QtWidgets
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from PyQt5.QtWidgets import QFileDialog
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import os
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import main
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class Ui_MainWindow(object):
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def setupUi(self, MainWindow):
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MainWindow.setObjectName("MainWindow")
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MainWindow.resize(800, 600)
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self.centralwidget = QtWidgets.QWidget(MainWindow)
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self.centralwidget.setObjectName("centralwidget")
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self.tab = QtWidgets.QTabWidget(self.centralwidget)
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self.tab.setGeometry(QtCore.QRect(0, 0, 800, 550))
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font = QtGui.QFont()
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font.setPointSize(15)
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self.tab.setFont(font)
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self.tab.setLayoutDirection(QtCore.Qt.LeftToRight)
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self.tab.setAutoFillBackground(False)
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self.tab.setObjectName("tab")
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self.enc_tab = QtWidgets.QWidget()
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self.enc_tab.setObjectName("enc_tab")
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self.enc_edit = QtWidgets.QLineEdit(self.enc_tab)
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self.enc_edit.setGeometry(QtCore.QRect(210, 120, 391, 31))
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self.enc_edit.setObjectName("enc_edit")
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self.enc_label = QtWidgets.QLabel(self.enc_tab)
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self.enc_label.setGeometry(QtCore.QRect(70, 120, 61, 31))
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sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Minimum)
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sizePolicy.setHorizontalStretch(15)
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sizePolicy.setVerticalStretch(15)
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sizePolicy.setHeightForWidth(self.enc_label.sizePolicy().hasHeightForWidth())
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self.enc_label.setSizePolicy(sizePolicy)
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font = QtGui.QFont()
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font.setPointSize(13)
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self.enc_label.setFont(font)
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self.enc_label.setObjectName("enc_label")
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self.enc_button = QtWidgets.QPushButton(self.enc_tab)
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self.enc_button.setGeometry(QtCore.QRect(290, 280, 171, 61))
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self.enc_button.setObjectName("enc_button")
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self.enc_browse = QtWidgets.QPushButton(self.enc_tab)
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self.enc_browse.setGeometry(QtCore.QRect(660, 120, 90, 28))
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self.enc_browse.setObjectName("enc_browse")
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self.tab.addTab(self.enc_tab, "")
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self.dec_tab = QtWidgets.QWidget()
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self.dec_tab.setObjectName("dec_tab")
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self.dec_edit = QtWidgets.QLineEdit(self.dec_tab)
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self.dec_edit.setGeometry(QtCore.QRect(180, 110, 391, 31))
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self.dec_edit.setObjectName("dec_edit")
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self.dec_browse = QtWidgets.QPushButton(self.dec_tab)
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self.dec_browse.setGeometry(QtCore.QRect(630, 110, 90, 28))
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self.dec_browse.setObjectName("dec_browse")
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self.dec_label = QtWidgets.QLabel(self.dec_tab)
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self.dec_label.setGeometry(QtCore.QRect(50, 110, 61, 31))
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sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Minimum)
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sizePolicy.setHorizontalStretch(15)
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sizePolicy.setVerticalStretch(15)
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sizePolicy.setHeightForWidth(self.dec_label.sizePolicy().hasHeightForWidth())
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self.dec_label.setSizePolicy(sizePolicy)
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font = QtGui.QFont()
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font.setPointSize(13)
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self.dec_label.setFont(font)
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self.dec_label.setObjectName("dec_label")
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self.key_edit = QtWidgets.QLineEdit(self.dec_tab)
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self.key_edit.setGeometry(QtCore.QRect(180, 190, 391, 31))
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self.key_edit.setObjectName("key_edit")
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self.key_browse = QtWidgets.QPushButton(self.dec_tab)
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self.key_browse.setGeometry(QtCore.QRect(630, 190, 90, 28))
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self.key_browse.setObjectName("key_browse")
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self.key_label = QtWidgets.QLabel(self.dec_tab)
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self.key_label.setGeometry(QtCore.QRect(50, 190, 61, 31))
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sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Minimum)
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sizePolicy.setHorizontalStretch(15)
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sizePolicy.setVerticalStretch(15)
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sizePolicy.setHeightForWidth(self.key_label.sizePolicy().hasHeightForWidth())
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self.key_label.setSizePolicy(sizePolicy)
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font = QtGui.QFont()
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font.setPointSize(13)
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self.key_label.setFont(font)
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self.key_label.setObjectName("key_label")
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self.dec_button = QtWidgets.QPushButton(self.dec_tab)
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self.dec_button.setGeometry(QtCore.QRect(300, 320, 171, 61))
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self.dec_button.setObjectName("dec_button")
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self.tab.addTab(self.dec_tab, "")
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MainWindow.setCentralWidget(self.centralwidget)
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self.menubar = QtWidgets.QMenuBar(MainWindow)
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self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 22))
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self.menubar.setObjectName("menubar")
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MainWindow.setMenuBar(self.menubar)
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self.statusbar = QtWidgets.QStatusBar(MainWindow)
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self.statusbar.setObjectName("statusbar")
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MainWindow.setStatusBar(self.statusbar)
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self.error=QtWidgets.QLabel(MainWindow)
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self.error.move(10,565)
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self.error.setText("Status : ")
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self.error.adjustSize()
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self.enc_browse.clicked.connect(self.browse_file_enc)
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self.dec_browse.clicked.connect(self.browse_file_dec)
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self.key_browse.clicked.connect(self.browse_file_key)
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self.enc_button.clicked.connect(self.encrypt)
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self.dec_button.clicked.connect(self.decrypt)
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self.retranslateUi(MainWindow)
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self.tab.setCurrentIndex(0)
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QtCore.QMetaObject.connectSlotsByName(MainWindow)
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def retranslateUi(self, MainWindow):
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_translate = QtCore.QCoreApplication.translate
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MainWindow.setWindowTitle(_translate("MainWindow", "ENC-DEC"))
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self.enc_label.setText(_translate("MainWindow", "FILE"))
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self.enc_button.setText(_translate("MainWindow", "ENCRYPT"))
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self.enc_browse.setText(_translate("MainWindow", "BROWSE"))
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self.tab.setTabText(self.tab.indexOf(self.enc_tab), _translate("MainWindow", "ENCRYPT"))
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self.dec_browse.setText(_translate("MainWindow", "BROWSE"))
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self.dec_label.setText(_translate("MainWindow", "FILE"))
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self.key_browse.setText(_translate("MainWindow", "BROWSE"))
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self.key_label.setText(_translate("MainWindow", "KEY"))
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self.dec_button.setText(_translate("MainWindow", "DECRYPT"))
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self.tab.setTabText(self.tab.indexOf(self.dec_tab), _translate("MainWindow", "DECRYPT"))
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# dir_curr=os.path.dirname(os.path.realpath(__file__))
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dir_curr=os.getcwd()
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def browse_file_enc(self):
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self.error.setText("Status : ")
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br=QFileDialog.getOpenFileName(self.enc_tab, 'open file',self.dir_curr, 'text files(*.txt)')
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self.enc_edit.setText(br[0])
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def browse_file_dec(self):
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self.error.setText("Status : ")
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br=QFileDialog.getOpenFileName(self.dec_tab, 'open file', self.dir_curr, 'text files(*.txt)')
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self.dec_edit.setText(br[0])
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def browse_file_key(self):
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self.error.setText("Status : ")
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br=br=QFileDialog.getOpenFileName(self.dec_tab, 'open file', self.dir_curr, 'key files(*.key)')
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self.key_edit.setText(br[0])
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def encrypt(self):
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if not self.enc_edit.text():
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self.setStatus("Please input a file to encrypt")
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return
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try:
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main.encryptfile(self.enc_edit.text())
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self.setStatus("File successfully encrypted!")
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except FileNotFoundError:
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self.setStatus("File not found!")
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return
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except:
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self.setStatus("Unknown Error!")
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return
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def decrypt(self):
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if not self.dec_edit.text():
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self.setStatus("Please input a file to decrypt!")
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return
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elif not self.key_edit.text():
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self.setStatus("Please input a key file!")
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return
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try:
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main.decryptfile(self.dec_edit.text(),self.key_edit.text())
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self.setStatus("File successfully decrypted!")
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except FileNotFoundError:
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self.setStatus("File not found!")
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return
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except:
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self.setStatus("Unknown Error!")
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return
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def setStatus(self,err):
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self.error.setText('Status : '+err)
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self.error.adjustSize()
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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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MainWindow = QtWidgets.QMainWindow()
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ui = Ui_MainWindow()
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ui.setupUi(MainWindow)
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MainWindow.show()
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sys.exit(app.exec_())

‎main.py‎

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import os
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import string
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import random
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def encrypt(str,r):
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asc = string.ascii_letters+"@ 1234567890.+-*/<>?;:{[]}=_()&^%$#!~`,'"
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if(asc.index(str)+r>len(asc)-1):
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return asc[asc.index(str)+r-len(asc)]
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else:
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return asc[asc.index(str)+r]
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def decrypt(str,r):
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asc = string.ascii_letters+"@ 1234567890.+-*/<>?;:{[]}=_()&^%$#!~`,'"
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return asc[asc.index(str)-r]
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def encryptfile(f):
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file=open(f,"r")
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arr=f.split('.txt')
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temp=f
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f=arr[-2]
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encfile=open(f+"_enc.txt","a")
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encfile.truncate(0)
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keyfile=open(f+".key","a")
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keyfile.truncate(0)
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for j in file:
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str_ori=j
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enc=""
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key=[]
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for i in str_ori:
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if i=="\n":
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break
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r=random.randint(0,91)
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enc+=encrypt(i,r)
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key.append(r)
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for k in range(0,len(key)):
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if k==len(key)-1:
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keyfile.write(str(key[k])+"\n")
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else:
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keyfile.write(str(key[k]) + " ")
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encfile.write(enc+"\n")
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file.close()
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encfile.close()
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keyfile.close()
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os.remove(temp)
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def decryptfile(f,k):
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encfile=open(f,"r")
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arr=k.split('.key')
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temp=f
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f=arr[-2]
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decfile = open(f+".txt", "a")
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keyfile = open(k, "r")
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for str in encfile:
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for keystr in keyfile:
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key=keystr.split()
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dec=""
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for i in range(len(key)):
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dec+=decrypt(str[i],int(key[i]))
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decfile.write(dec+"\n")
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break
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decfile.close()
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keyfile.close()
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encfile.close()
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os.remove(temp)
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os.remove(k)
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def insert():
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try:
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if open("sample.txt"):
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pass
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except FileNotFoundError:
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print("You need to decrypt first")
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encdec()
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exit(0)
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str = input("Enter the name of website and password separated by space\n")
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if(str.count(' ')!=1):
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print("Please enter a valid input")
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insert()
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exit(0)
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file=open("sample.txt","a")
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file.write(str+"\n")
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print("Successfully added")
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file.close()
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