Bypass python object __init__ when initialising cython extention classes for speedup.

Author: Pan

ssh2/agent.c

@@ -91,7 +91,7 @@ cdef void clear_agent(c_ssh2.LIBSSH2_AGENT *agent) nogil:
 
 
 cdef object PyAgent(c_ssh2.LIBSSH2_AGENT *agent, Session session):
-    cdef Agent _agent = Agent(session)
+    cdef Agent _agent = Agent.__new__(Agent, session)
     _agent._agent = agent
     return _agent
 

ssh2/agent.pyx

@@ -25,7 +25,7 @@ cimport error_codes
 
 
 cdef object PyChannel(c_ssh2.LIBSSH2_CHANNEL *channel, Session session):
-    cdef Channel _channel = Channel(session)
+    cdef Channel _channel = Channel.__new__(Channel, session)
     _channel._channel = channel
     return _channel