def __init__(self, model):
IObserver.__init__(self)
Thread.__init__(self, name="server_thread")
self._host = ''
self._port = 12800
self._main_connection = socket.socket(socket.AF_INET,
socket.SOCK_STREAM)
self._main_connection.setblocking(False)
# self.main_connection.settimeout(0.05)
self._connected_clients = []
model.attach(self)
self._controller = Controller(model)
self._is_running = False
def __init__(self):
self.controller = Controller()
self.models = Models(self.controller)
# self._cargarFakeClientes(10)
# self._cargarFakeProductos(10)
self.views = Views(self.models)
class Server(IObserver, Thread):
def __init__(self, model):
IObserver.__init__(self)
Thread.__init__(self, name="server_thread")
self._host = ''
self._port = 12800
self._main_connection = socket.socket(socket.AF_INET,
socket.SOCK_STREAM)
self._main_connection.setblocking(False)
# self.main_connection.settimeout(0.05)
self._connected_clients = []
model.attach(self)
self._controller = Controller(model)
self._is_running = False
def _connection(self):
self._main_connection.bind((self._host, self._port))
self._main_connection.listen(5)
print("The server is listening in the port {}".format(self._port))
def _disconnection(self):
print("Closing the connections")
for client in self._connected_clients:
client.close()
def _listen_new_clients(self):
connection_requests, wlist, xlist = select.select(
[self._main_connection], [], [], 0.05)
for connection in connection_requests:
connection_with_client, info_connection = connection.accept()
self._connected_clients.append(connection_with_client)
def _receive_data(self):
# connected_clients, wlist, xlist = select.select([self.connected_clients], [], [], 0.05)
data_received = "" # TODO : direct call inside the lopp when data received
for client in self._connected_clients:
try:
msg_received = client.recv(1024)
except BlockingIOError as e:
# print("Problème avec recv : {}".format(e.strerror))
pass
except ConnectionResetError: #to handle the error of a client disconnected. It stops brutally the server
print("The client {} has left the app".format(client))
client.close()
self._connected_clients.remove(client)
else:
data_received = pickle.loads(msg_received)
# TODO : make a check or a try/catch
self._action_on_controller(data_received)
print("Received: {}".format(data_received))
def _action_on_controller(self, data_received):
# data_received = {"action":"add", "name":"apple", "item_type":"fruit", "quantity":3, "unity":"-"}
if data_received["action"] == "add":
name = data_received["name"]
item_type = data_received["item_type"]
quantity = data_received["quantity"]
unity = data_received["unity"]
try:
self._controller.add_product(name, item_type, quantity, unity)
except ValueError as my_exception:
self._send_data(my_exception)
# data_received = {"action":"del", "name":"apple"}
elif data_received["action"] == "del":
name = data_received["name"]
try:
self._controller.del_product(name)
except KeyError as my_exception:
self._send_data(my_exception)
def _send_data(self, data):
for client in self._connected_clients:
data_to_send = pickle.dumps(data)
try:
client.send(data_to_send)
except BlockingIOError as e:
print("Problème avec send : {}".format(e.strerror))
def _do(self):
self._listen_new_clients()
self._receive_data()
def run(self):
self._connection()
self._is_running = True
while self._is_running:
self._do()
time.sleep(1)
def stop(self):
self._is_running = False
def update(self, subject):
print("YOUPI OBSERVER CALLED")
self._send_data(subject)
# data_to_send = {"action":"add", "name":"apple", "item_type":"fruit", "quantity":3, "unity":"-"}
def update_error(self, error: Exception):
pass
def main():
app = QApplication(sys.argv)
controller = Controller()
controller.show()
sys.exit(app.exec_())
def __init__(self):
self.controller = Controller()
self.models = Models(self.controller)
self.view = View(self.models)
from mvc.controller import Controller as Controller
if __name__ == '__main__':
c = Controller()
c.run()
from mvc.controller import Controller
control = Controller()
while control.choice not in ('Q', 'q'):
control.manager()
else:
print('Bye')
