1 files changed, 0 insertions, 78 deletions
diff --git a/exam/xmlrpc_clients.py b/exam/xmlrpc_clients.py
deleted file mode 100644
index 817e37d..0000000
--- a/exam/xmlrpc_clients.py
+++ /dev/null
@@ -1,78 +0,0 @@
-from xmlrpclib import ServerProxy
-import time
-import random
-import socket
-
-from settings import SERVER_PORTS, SERVER_POOL_PORT
-
-
-class ConnectionError(Exception):
-    pass
-
-################################################################################
-# `CodeServerProxy` class.
-################################################################################
-class CodeServerProxy(object):
-    """A class that manages accesing the farm of Python servers and making
-    calls to them such that no one XMLRPC server is overloaded.
-    """
-    def __init__(self):
-        pool_url = 'http://localhost:%d'%(SERVER_POOL_PORT)
-        self.pool_server = ServerProxy(pool_url)
-        self.methods = {"python": 'run_python_code',
-                        "bash": 'run_bash_code'}
-    
-    def run_code(self, answer, test_code, user_dir, language):
-        """Tests given code (`answer`) with the `test_code` supplied.  If the
-        optional `in_dir` keyword argument is supplied it changes the directory
-        to that directory (it does not change it back to the original when
-        done).  The parameter language specifies which language to use for the
-        tests.
-
-        Parameters
-        ----------
-        answer : str
-            The user's answer for the question.
-        test_code : str
-            The test code to check the user code with.
-        user_dir : str (directory)
-            The directory to run the tests inside.
-        language : str
-            The programming language to use.
-
-        Returns
-        -------
-        A tuple: (success, error message).
-        """
-        method_name = self.methods[language]
-        try:
-            server = self._get_server()
-            method = getattr(server, method_name)
-            result = method(answer, test_code, user_dir)
-        except ConnectionError:
-            result = [False, 'Unable to connect to any code servers!']
-        return result
-
-    def _get_server(self):
-        # Get a suitable server from our pool of servers.  This may block.  We
-        # try about 60 times, essentially waiting at most for about 30 seconds.
-        done, count = False, 60
-
-        while not done and count > 0:
-            try:
-                port = self.pool_server.get_server_port()
-            except socket.error:
-                # Wait a while try again.
-                time.sleep(random.random())
-                count -= 1
-            else:
-                done = True
-        if not done:
-            raise ConnectionError("Couldn't connect to a server!") 
-        proxy = ServerProxy('http://localhost:%d'%port)
-        return proxy
-
-# views.py calls this Python server which forwards the request to one
-# of the running servers.
-code_server = CodeServerProxy()
-