def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(line_edit_widget=self.ui.lineEdit_client2,
text_widget=self.ui.textEdit_client2)
self.tcp_client_2.connect_server()
self.ui.pushButton_client2_send.setEnabled(False)
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
class RunDesignerGUI():
def __init__(self):
app = QtWidgets.QApplication(sys.argv)
self.MainWindow = QtWidgets.QMainWindow()
self.ui = Ui_MainWindow()
self.ui.setupUi(self.MainWindow)
#---------------------
self.update_widgets()
self.widget_actions()
self.tab2_actions()
self.SERVER_PORT = SERVER_PORT
self.tab3_networking()
#---------------------
self.MainWindow.show()
sys.exit(app.exec_())
#-----------------------------------------------------------------------------
def tab3_networking(self):
self.ui.pushButton_3_start.clicked.connect(self.start_server)
self.ui.pushButton_client1_send.clicked.connect(
self.connect_to_server_1)
self.ui.lineEdit_client1.returnPressed.connect(self.send_data_1)
self.ui.pushButton_client2_send.clicked.connect(
self.connect_to_server_2)
self.ui.lineEdit_client2.returnPressed.connect(self.send_data_2)
def start_server(self):
self.tcp_server = TcpServer()
print('Server created:', self.tcp_server)
port_number = self.ui.lineEdit_4_port_number.text()
print('Port:', port_number)
print('SERVER_PORT:', self.SERVER_PORT)
if self.SERVER_PORT != port_number:
self.SERVER_PORT = port_number
self.ui.textEdit_client1.append('Port:' + self.SERVER_PORT)
self.ui.textEdit_client2.append('Port:' + self.SERVER_PORT)
#---------------------------------------------------------------------------
def connect_to_server_1(self):
# create a client, passing in UI widget references
self.tcp_client_1 = TcpClient(
line_edit_widget=self.ui.lineEdit_client1,
text_widget=self.ui.textEdit_client1)
self.tcp_client_1.connect_server()
self.ui.pushButton_client1_send.setEnabled(False)
self.tcp_client_1.socket.readyRead.connect(self.tcp_client_1.read_data)
self.tcp_client_1.socket.disconnected.connect(self.server_disconnect_1)
self.tcp_client_1.socket.error.connect(self.server_error_1)
def send_data_1(self):
try:
self.tcp_client_1.write_data()
except:
self.ui.textEdit_client1.append('** connect to the server')
def server_disconnect_1(self):
self.tcp_client_1.socket.close()
self.ui.pushButton_client1_send.setEnabled(True)
def server_error_1(self):
error = "Error: {}".format(self.tcp_client_1.socket.errorString())
self.display_text_1(error)
self.tcp_client_1.socket.close()
self.ui.pushButton_client1_send.setEnabled(True)
def display_text_1(self, text):
self.ui.textEdit_client1.append(text)
#---------------------------------------------------------------------------
def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(
line_edit_widget=self.ui.lineEdit_client2,
text_widget=self.ui.textEdit_client2)
self.tcp_client_2.connect_server()
self.ui.pushButton_client2_send.setEnabled(False)
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
def send_data_2(self):
try:
self.tcp_client_2.write_data()
except:
self.ui.textEdit_client1.append('** connect to the server')
def server_disconnect_2(self):
self.tcp_client_2.socket.close()
self.ui.pushButton_client2_send.setEnabled(True)
def server_error_2(self):
error = "Error: {}".format(self.tcp_client_2.socket.errorString())
self.display_text_2(error)
self.tcp_client_2.socket.close()
self.ui.pushButton_client2_send.setEnabled(True)
def display_text_2(self, text):
self.ui.textEdit_client2.append(text)
#---------------------------------------------------------------------------
def tab2_actions(self):
def init_toolbutton():
pass
self.ui.toolButton.clicked.connect(
init_toolbutton) # avoid first exception when disconnect
self.ui.pushButton_convert.clicked.connect(
init_toolbutton) # avoid first exception when disconnect
self.ui.radioButton_ui.clicked.connect(self.label_ui_to_py)
self.ui.radioButton_exe.clicked.connect(self.label_py_to_exe)
self.ui.radioButton_ui.click() # programmatically click radio button
#-------------------------------------------------------
def label_ui_to_py(self):
self.ui.label_convert.setText(' Browse to UI File:')
self.ui.lineEdit.setText('')
self.disconnect_buttons()
self.ui.toolButton.clicked.connect(self.convert_ui_to_py)
self.ui.pushButton_convert.clicked.connect(self.create_py_file)
def convert_ui_to_py(self):
file_name, _ = QtWidgets.QFileDialog.getOpenFileName(
None, 'Open File', "", 'Designer UI files (*.ui)')
self.ui.lineEdit.setText(file_name)
def create_py_file(self):
ui_file = self.ui.lineEdit.text()
if ui_file:
file_path, file_ext = os.path.splitext(ui_file)
if file_ext == '.ui':
py_file = file_path + '.py'
cmd = 'pyuic5 -x -o {} {}'.format(py_file, ui_file)
os.system(cmd)
print('File created: ', cmd)
#-------------------------------------------------------
def label_py_to_exe(self):
self.ui.label_convert.setText(' Browse to PY File:')
self.ui.lineEdit.setText('')
self.disconnect_buttons()
self.ui.toolButton.clicked.connect(self.convert_py_to_exe)
self.ui.pushButton_convert.clicked.connect(self.create_exe_file)
def convert_py_to_exe(self):
file_name, _ = QtWidgets.QFileDialog.getOpenFileName(
None, 'Open File', "", 'Python files (*.py)')
self.ui.lineEdit.setText(file_name)
def create_exe_file(self):
py_file = self.ui.lineEdit.text()
if py_file:
_file_path, file_ext = os.path.splitext(py_file)
if file_ext == '.py':
cmd = 'pyinstaller --onefile --noconsole {}'.format(py_file)
os.system(cmd)
print('EXE File created: ', cmd)
#-------------------------------------------------------
def disconnect_buttons(self):
# Disconnect previously connected buttons - ignore exception if not connected
try:
self.ui.toolButton.clicked.disconnect()
self.ui.pushButton_convert.clicked.disconnect()
except Exception as ex:
print(
ex
) # disconnect() failed between 'clicked' and all its connections
def widget_actions(self):
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("icons/new_icon.png"), QtGui.QIcon.Normal,
QtGui.QIcon.Off) # correct relative path to icon
self.ui.actionNew.setIcon(icon)
self.ui.actionNew.setShortcut('Ctrl+N')
self.ui.actionExit.setStatusTip(
'Click to exit the application'
) # use ui reference to update status bar
self.ui.actionExit.triggered.connect(
self.close_GUI
) # connect widget to method when triggered (clicked)
self.ui.actionExit.setShortcut(
'Ctrl+Q') # keyboard shortcut, window has focus
icon1 = QtGui.QIcon()
icon1.addPixmap(QtGui.QPixmap("icons/exit_icon.png"),
QtGui.QIcon.Normal,
QtGui.QIcon.Off) # modify icon location
self.ui.actionExit.setIcon(icon1) # use: self.ui.
#-------------------------------
self.ui.pushButton_clear.clicked.connect(
self.ui.label.clear) # removed slot and placed code here
self.ui.pushButton_set_label.clicked.connect(
self.set_label) # add functionality to second button
def set_label(self):
window_text = self.MainWindow.windowTitle()
self.ui.label.setText(window_text) # set label text to window title
def close_GUI(self):
self.MainWindow.close(
) # call MainWindow close method, which closes the GUI
def update_widgets(self):
self.MainWindow.setWindowTitle(
'Incredible PyQt5 GUI') # use: self.MainWindow
self.MainWindow.setWindowIcon(QtGui.QIcon('icons/py.ico'))
class RunDesignerGUI():
def __init__(self):
app = QtWidgets.QApplication(sys.argv)
self.MainWindow = QtWidgets.QMainWindow()
self.ui = Ui_MainWindow()
self.ui.setupUi(self.MainWindow)
#---------------------
self.create_DB() # create DB if it does not exist
self.model = None
self.ui.button_SQL_view_data.clicked.connect(self.print_data)
self.ui.button_SQL_view_data.clicked.connect(self.sql_tableview_model)
self.ui.button_SQL_add.clicked.connect(self.sql_add_row)
self.ui.button_SQL_delete.clicked.connect(self.sql_delete_row)
self.ui.button_SQL_create_db.clicked.connect(self.create_DB)
#---------------------
self.update_widgets()
self.widget_actions()
self.tab2_actions()
self.SERVER_PORT = SERVER_PORT
self.tab3_networking()
#---------------------
self.MainWindow.show()
sys.exit(app.exec_())
#----------------------------------------------------------
def sql_delete_row(self):
if self.model:
self.model.removeRow(self.ui.tableView.currentIndex().row())
else:
self.sql_tableview_model()
#----------------------------------------------------------
def sql_add_row(self):
if self.model:
self.model.insertRows(self.model.rowCount(), 1)
else:
self.sql_tableview_model()
#----------------------------------------------------------
def sql_tableview_model(self):
db = QtSql.QSqlDatabase.addDatabase('QSQLITE')
db.setDatabaseName('PUBLISHERS.db')
tableview = self.ui.tableView
self.model = QtSql.QSqlTableModel()
tableview.setModel(self.model)
self.model.setTable('PUBLISHER')
self.model.setEditStrategy(
QtSql.QSqlTableModel.OnFieldChange
) # All changes to the model will be applied immediately to the database
self.model.select()
self.model.setHeaderData(0, QtCore.Qt.Horizontal, "ID")
self.model.setHeaderData(1, QtCore.Qt.Horizontal, "Publisher")
self.model.setHeaderData(2, QtCore.Qt.Horizontal, "Stars")
#----------------------------------------------------------
def print_data(self):
try:
sqlite_file = 'PUBLISHERS.db'
conn = sqlite3.connect(sqlite_file)
cursor = conn.cursor()
cursor.execute("SELECT * FROM 'PUBLISHER' ORDER BY ID"
) # will raise exception if db has not been created
all_rows = cursor.fetchall()
pprint(all_rows)
conn.commit() # not needed when only selecting data
conn.close()
except Exception as ex: # if the db does not exist
print(ex)
#----------------------------------------------------------
def create_DB(self):
db = QtSql.QSqlDatabase.addDatabase('QSQLITE')
db.setDatabaseName('PUBLISHERS.db')
db.open()
query = QtSql.QSqlQuery()
query.exec_(
"create table PUBLISHER(ID int primary key, "
"PUBLISHER_NAME varchar(20), PUBLISHER_RATING varchar(20))")
query.exec_(
"insert into PUBLISHER values(1000, 'Packt', '1 million stars')")
query.exec_(
"insert into PUBLISHER values(1001, 'Amazon', '500 stars')")
query.exec_(
"insert into PUBLISHER values(1002, 'Oh, Really?', '1 star')")
query.exec_(
"insert into PUBLISHER values(1003, 'Adds & Webs', 'no stars...')")
#-----------------------------------------------------------------------------
def tab3_networking(self):
self.ui.pushButton_3_start.clicked.connect(self.start_server)
self.ui.pushButton_client1_send.clicked.connect(
self.connect_to_server_1)
self.ui.lineEdit_client1.returnPressed.connect(self.send_data_1)
self.ui.pushButton_client2_send.clicked.connect(
self.connect_to_server_2)
self.ui.lineEdit_client2.returnPressed.connect(self.send_data_2)
def start_server(self):
self.tcp_server = TcpServer()
print('Server created:', self.tcp_server)
port_number = self.ui.lineEdit_4_port_number.text()
print('Port:', port_number)
print('SERVER_PORT:', self.SERVER_PORT)
if self.SERVER_PORT != port_number:
self.SERVER_PORT = port_number
self.ui.textEdit_client1.append('Port:' + self.SERVER_PORT)
self.ui.textEdit_client2.append('Port:' + self.SERVER_PORT)
#---------------------------------------------------------------------------
def connect_to_server_1(self):
# create a client, passing in UI widget references
self.tcp_client_1 = TcpClient(
line_edit_widget=self.ui.lineEdit_client1,
text_widget=self.ui.textEdit_client1)
self.tcp_client_1.connect_server()
self.ui.pushButton_client1_send.setEnabled(False)
self.tcp_client_1.socket.readyRead.connect(self.tcp_client_1.read_data)
self.tcp_client_1.socket.disconnected.connect(self.server_disconnect_1)
self.tcp_client_1.socket.error.connect(self.server_error_1)
def send_data_1(self):
try:
self.tcp_client_1.write_data()
except:
self.ui.textEdit_client1.append('** connect to the server')
def server_disconnect_1(self):
self.tcp_client_1.socket.close()
self.ui.pushButton_client1_send.setEnabled(True)
def server_error_1(self):
error = "Error: {}".format(self.tcp_client_1.socket.errorString())
self.display_text_1(error)
self.tcp_client_1.socket.close()
self.ui.pushButton_client1_send.setEnabled(True)
def display_text_1(self, text):
self.ui.textEdit_client1.append(text)
#---------------------------------------------------------------------------
def connect_to_server_2(self):
# create a client, passing in UI widget references
self.tcp_client_2 = TcpClient(
line_edit_widget=self.ui.lineEdit_client2,
text_widget=self.ui.textEdit_client2)
self.tcp_client_2.connect_server()
self.ui.pushButton_client2_send.setEnabled(False)
self.tcp_client_2.socket.readyRead.connect(self.tcp_client_2.read_data)
self.tcp_client_2.socket.disconnected.connect(self.server_disconnect_2)
self.tcp_client_2.socket.error.connect(self.server_error_2)
def send_data_2(self):
try:
self.tcp_client_2.write_data()
except:
self.ui.textEdit_client1.append('** connect to the server')
def server_disconnect_2(self):
self.tcp_client_2.socket.close()
self.ui.pushButton_client2_send.setEnabled(True)
def server_error_2(self):
error = "Error: {}".format(self.tcp_client_2.socket.errorString())
self.display_text_2(error)
self.tcp_client_2.socket.close()
self.ui.pushButton_client2_send.setEnabled(True)
def display_text_2(self, text):
self.ui.textEdit_client2.append(text)
#---------------------------------------------------------------------------
def tab2_actions(self):
def init_toolbutton():
pass
self.ui.toolButton.clicked.connect(
init_toolbutton) # avoid first exception when disconnect
self.ui.pushButton_convert.clicked.connect(
init_toolbutton) # avoid first exception when disconnect
self.ui.radioButton_ui.clicked.connect(self.label_ui_to_py)
self.ui.radioButton_exe.clicked.connect(self.label_py_to_exe)
self.ui.radioButton_ui.click() # programmatically click radio button
#-------------------------------------------------------
def label_ui_to_py(self):
self.ui.label_convert.setText(' Browse to UI File:')
self.ui.lineEdit.setText('')
self.disconnect_buttons()
self.ui.toolButton.clicked.connect(self.convert_ui_to_py)
self.ui.pushButton_convert.clicked.connect(self.create_py_file)
def convert_ui_to_py(self):
file_name, _ = QtWidgets.QFileDialog.getOpenFileName(
None, 'Open File', "", 'Designer UI files (*.ui)')
self.ui.lineEdit.setText(file_name)
def create_py_file(self):
ui_file = self.ui.lineEdit.text()
if ui_file:
file_path, file_ext = os.path.splitext(ui_file)
if file_ext == '.ui':
py_file = file_path + '.py'
cmd = 'pyuic5 -x -o {} {}'.format(py_file, ui_file)
os.system(cmd)
print('File created: ', cmd)
#-------------------------------------------------------
def label_py_to_exe(self):
self.ui.label_convert.setText(' Browse to PY File:')
self.ui.lineEdit.setText('')
self.disconnect_buttons()
self.ui.toolButton.clicked.connect(self.convert_py_to_exe)
self.ui.pushButton_convert.clicked.connect(self.create_exe_file)
def convert_py_to_exe(self):
file_name, _ = QtWidgets.QFileDialog.getOpenFileName(
None, 'Open File', "", 'Python files (*.py)')
self.ui.lineEdit.setText(file_name)
def create_exe_file(self):
py_file = self.ui.lineEdit.text()
if py_file:
_file_path, file_ext = os.path.splitext(py_file)
if file_ext == '.py':
cmd = 'pyinstaller --onefile --noconsole {}'.format(py_file)
os.system(cmd)
print('EXE File created: ', cmd)
#-------------------------------------------------------
def disconnect_buttons(self):
# Disconnect previously connected buttons - ignore exception if not connected
try:
self.ui.toolButton.clicked.disconnect()
self.ui.pushButton_convert.clicked.disconnect()
except Exception as ex:
print(
ex
) # disconnect() failed between 'clicked' and all its connections
def widget_actions(self):
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("icons/new_icon.png"), QtGui.QIcon.Normal,
QtGui.QIcon.Off) # correct relative path to icon
self.ui.actionNew.setIcon(icon)
self.ui.actionNew.setShortcut('Ctrl+N')
self.ui.actionExit.setStatusTip(
'Click to exit the application'
) # use ui reference to update status bar
self.ui.actionExit.triggered.connect(
self.close_GUI
) # connect widget to method when triggered (clicked)
self.ui.actionExit.setShortcut(
'Ctrl+Q') # keyboard shortcut, window has focus
icon1 = QtGui.QIcon()
icon1.addPixmap(QtGui.QPixmap("icons/exit_icon.png"),
QtGui.QIcon.Normal,
QtGui.QIcon.Off) # modify icon location
self.ui.actionExit.setIcon(icon1) # use: self.ui.
#-------------------------------
self.ui.pushButton_clear.clicked.connect(
self.ui.label.clear) # removed slot and placed code here
self.ui.pushButton_set_label.clicked.connect(
self.set_label) # add functionality to second button
def set_label(self):
window_text = self.MainWindow.windowTitle()
self.ui.label.setText(window_text) # set label text to window title
def close_GUI(self):
self.MainWindow.close(
) # call MainWindow close method, which closes the GUI
def update_widgets(self):
self.MainWindow.setWindowTitle(
'Incredible PyQt5 GUI') # use: self.MainWindow
self.MainWindow.setWindowIcon(QtGui.QIcon('icons/py.ico'))