feat(Protocol): adjust to support twice \n in protocol.

calculator.py

@@ -1,26 +1,22 @@
 
 class Calculator:
-    def __init__(self, client):
+    def __init__(self, client, string_control='\n'):
         self.client = client
+        self.string_control = string_control
 
     def calc(self, operation):
-        fixed_operation = self.fix_operation(operation)
+        fixed_operation = operation + self.string_control
         self.client.connect()
         self.client.send(
             fixed_operation
         )
-        response = self.client.getText(512)
+        response = self.client.getText(
+            self.string_control
+        )
         self.client.close()
         result = Result(response)
         return result.get_content()
 
-    def fix_operation(self, operation):
-        if not operation:
-            return '\n'
-        if operation[-1] != '\n':
-            return operation + '\n'
-        return operation
-
 class Result:
     ok = 'OK'
     error = 'ERROR'

client_jorobany.py

@@ -1,6 +1,8 @@
 import socket
 
 class ClientJorobany:
+    coding = 'utf-8'
+
     def __init__(self, host, port):
         self.host = host
         self.port = port
@@ -9,11 +11,15 @@ class ClientJorobany:
         self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         self.socket.connect((self.host, self.port))
 
-    def getText(self, buffersize):
-        binaryText = self.socket.recv(buffersize)
-        if binaryText:
-            return binaryText.decode('utf-8')
-        return ''
+    def getText(self, string_control):
+        buffersize=len(string_control)
+        complete_text = ''
+        while True:
+            text = self.socket.recv(buffersize).decode(self.coding)
+            if text == string_control:
+                break
+            complete_text += text
+        return complete_text
 
     def send(self, data):
         self.socket.sendall(data.encode())

user_calculator.py

@@ -1,22 +1,26 @@
 from calculator import Calculator
 from client_jorobany import ClientJorobany
 
-host = 'localhost'
-port = 65517
-
+host = 'mob.bit4bit.in'
+port = 65519
+#port = 65520
+#string_control = '\n\n'
+string_control = '\n'
 client = ClientJorobany(host, port)
-calculator = Calculator(client)
+calculator = Calculator(client, string_control)
 
 def sanitize_result(result):
-    target = '\n'
+    target = string_control
     if result and result[-1] == target:
         return result[:-1]
     return result
 
 input_message = "Ingrese operacion (q para salir): "
 
-user_input = input(input_message);
+user_input = input(input_message)
 while not user_input == 'q':
-    result = calculator.calc(user_input)
+    operation = user_input
+    result = calculator.calc(operation)
+#    print(result)
     print(sanitize_result(result))
     user_input = input(input_message)