(wip) use select instead of a thread by server. Currently read and write seems to work properly, we lost some code (like more, next, ...) that never should be in server part

server/socket.py

@@ -0,0 +1,77 @@
+# -*- coding: utf-8 -*-
+
+# Nemubot is a smart and modulable IM bot.
+# Copyright (C) 2012-2014  nemunaire
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import ssl
+import socket
+
+from server import AbstractServer
+
+class SocketServer(AbstractServer):
+
+    def __init__(self, host, port=6667, password=None, ssl=False):
+        AbstractServer.__init__(self)
+        self.host = host
+        self.port = int(port)
+        self.password = password
+        self.ssl = ssl
+
+        self.socket = None
+        self.readbuffer = b''
+
+    def fileno(self):
+        return self.socket.fileno() if self.socket else None
+
+    def _open(self):
+        # Create the socket
+        self.socket = socket.socket()
+
+        # Wrap the socket for SSL
+        if self.ssl:
+            ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+            self.socket = ctx.wrap_socket(self.socket)
+
+        try:
+            self.socket.connect((self.host, self.port)) #Connect to server
+            self.logger.info("Connected to %s:%d", self.host, self.port)
+        except socket.error as e:
+            self.socket = None
+            self.logger.critical("Unable to connect to %s:%d: %s",
+                   self.host, self.port, os.strerror(e.errno))
+            return False
+
+        return True
+
+    def _close(self):
+        if self.socket is not None:
+            self.socket.shutdown(SHUT_RDWR)
+            self.socket.close()
+            self.socket = None
+
+    def _write(self, cnt):
+        self.socket.send(cnt)
+
+    def format(self, txt):
+        return txt.encode() + b'\r\n'
+
+    def read(self):
+        raw = self.socket.recv(1024)
+        temp = (self.readbuffer + raw).split(b'\r\n')
+        self.readbuffer = temp.pop()
+
+        for line in temp:
+            yield line