Remove support for python 3.6 and below

Removes from the server support for python 3.6 and below

server/recceiver/application.py

@@ -25,11 +25,8 @@ class Log2Twisted(logging.StreamHandler):
     def __init__(self):
         super(Log2Twisted,self).__init__(stream=self)
         # The Twisted log publisher adds a newline, so strip the newline added by the Python log handler.
-        if sys.version_info < (3,2):
-            self.write = lambda *args, **kwargs: log.msg(*[ str(a).strip() for a in args ], **kwargs)
-        else:
-            self.terminator = ""  #  the 'terminator' attribute was added to StreamHandler in Python v3.2
-            self.write = log.msg
+        self.terminator = ""
+        self.write = log.msg
     def flush(self):
         pass
 
@@ -137,14 +134,9 @@ def makeService(self, opts):
 
         lvlname = conf.get('loglevel', 'WARN')
         lvl = logging.getLevelName(lvlname)
-        if sys.version_info[0] < 3:
-            if not isinstance(lvl, (int, long)):
-                print("Invalid loglevel", lvlname)
-                lvl = logging.WARN
-        else:
-            if not isinstance(lvl, (int, )):
-                print("Invalid loglevel", lvlname)
-                lvl = logging.WARN
+        if not isinstance(lvl, (int, )):
+            print("Invalid loglevel", lvlname)
+            lvl = logging.WARN
 
         fmt = conf.get('logformat', "%(levelname)s:%(name)s %(message)s")
 

server/recceiver/processors.py

@@ -6,12 +6,8 @@
 from zope.interface import implementer
 from zope.interface import provider
 
-if sys.version_info[0] < 3:
-    import ConfigParser
-    from ConfigParser import SafeConfigParser as Parser
-else:
-    from configparser import ConfigParser as Parser
-    import configparser as ConfigParser
+from configparser import ConfigParser as Parser
+import configparser as ConfigParser
 
 from os.path import expanduser
 
@@ -67,11 +63,7 @@ def __init__(self, cfile=None):
         read = parser.read(map(expanduser, self.paths))
 
         if cfile:
-            # read_file replaced readfp in python 3.2
-            if sys.version_info[0] == 3 and sys.version_info[1] > 1:
-                parser.read_file(open(cfile,'r'))
-            else:
-                parser.readfp(open(cfile,'r'))
+            parser.read_file(open(cfile,'r'))
 
         if not cfile and len(read)==0:
             # no user configuration given so load some defaults

server/recceiver/recast.py

@@ -4,10 +4,6 @@
 _log = Logger(__name__)
 
 import sys, time
-if sys.version_info[0] < 3:
-    PYTHON3 = False
-else:
-    PYTHON3 = True
 
 from zope.interface import implementer
 
@@ -148,8 +144,7 @@ def recvPong(self, body):
     def recvInfo(self, body):
         rid, klen, vlen = _c_info.unpack(body[:_c_info.size])
         text = body[_c_info.size:]
-        if PYTHON3:
-            text = text.decode()
+        text = text.decode()
         if klen==0 or klen+vlen < len(text):
             _log.error('Ignoring info update')
             return self.getInitialState()
@@ -165,8 +160,7 @@ def recvInfo(self, body):
     def recvAddRec(self, body):
         rid, rtype, rtlen, rnlen = _c_rec.unpack(body[:_c_rec.size])
         text = body[_c_rec.size:]
-        if PYTHON3:
-            text = text.decode()
+        text = text.decode()
         if rnlen==0 or rtlen+rnlen<len(text):
             _log.error('Ignoring record update')