Removes module for serializing over 0MQ.

zipline no longer serializes internally over 0ZM, so this is unneeded.

zipline/utils/serial.py

@@ -1,56 +0,0 @@
-"""
-Format serializer for Zipline.
-
-Because I'm opinionated about how you should send things over
-ZeroMQ. :)
-"""
-
-import zlib
-import hmac
-import base64
-#import blosc
-
-import cPickle as pickle
-
-# Pickle does the equivelant of builtin ``eval``. Be afraid, be
-# very afraid.
-
-def send_zipped_pickle(socket, obj, flags=0, protocol=-1):
-    """
-    Pickle an object, and zip the pickle before sending it.
-    """
-    p = pickle.dumps(obj, protocol)
-    z = zlib.compress(p)
-    return socket.send(z, flags=flags)
-
-def recv_zipped_pickle(socket, flags=0, protocol=-1):
-    """
-    Unpickle and uncompress a received object.
-    """
-    z = socket.recv(flags)
-    p = zlib.uncompress(z)
-    return pickle.loads(p, protocol=protocol)
-
-# Cryptographically secure wire protocol for ZeroMQ Using HMAC.
-
-# Compare byte strings, backported from Python 3.
-def byte_eq(a, b):
-    return not sum(0 if x==y else 1 for x, y in zip(a, b)) and len(a) == len(b)
-
-def send_secure(socket, data, key, flags=0):
-    msg = base64.b64encode(data)
-    sig = base64.b64encode(hmac.new(key, msg).digest())
-    return socket.send(bytes('!') + sig + bytes('?') + msg, flags=flags)
-
-def recv_secure(socket, data, key, flags):
-    data = socket.recv(flags=flags)
-
-    try:
-        sig, msg = data.split(bytes('?'), 1)
-    except ValueError:
-        raise Exception('Invalid signature/message pair.')
-
-    if byte_eq(sig[1:], base64.b64encode(hmac.new(key, msg).digest())):
-        return base64.b64decode(msg)
-    else:
-        raise Exception('Cryptographically invalid message received')