diff --git a/evennia/commands/cmdhandler.py b/evennia/commands/cmdhandler.py
index 9579d2c945..b30a4bdd62 100644
--- a/evennia/commands/cmdhandler.py
+++ b/evennia/commands/cmdhandler.py
@@ -565,7 +565,7 @@ def cmdhandler(called_by, raw_string, _testing=False, callertype="session", sess
             # catch it here and don't pass it on.
             pass
 
-        except ExecSystemCommand, exc:
+        except ExecSystemCommand as exc:
             # Not a normal command: run a system command, if available,
             # or fall back to a return string.
             syscmd = exc.syscmd
diff --git a/evennia/commands/cmdsethandler.py b/evennia/commands/cmdsethandler.py
index c4a52507e6..5ef1d5767f 100644
--- a/evennia/commands/cmdsethandler.py
+++ b/evennia/commands/cmdsethandler.py
@@ -159,7 +159,7 @@ def import_cmdset(path, cmdsetobj, emit_to_obj=None, no_logging=False):
                 cmdsetclass = cmdsetclass(cmdsetobj)
             errstring = ""
             return cmdsetclass
-        except ImportError, e:
+        except ImportError as e:
             logger.log_trace()
             errstring += _("\nError loading cmdset {path}: \"{error}\"")
             errstring = errstring.format(path=python_path, error=e)
@@ -169,12 +169,12 @@ def import_cmdset(path, cmdsetobj, emit_to_obj=None, no_logging=False):
             errstring += _("\nError in loading cmdset: No cmdset class '{classname}' in {path}.")
             errstring = errstring.format(classname=classname, path=python_path)
             break
-        except SyntaxError, e:
+        except SyntaxError as e:
             logger.log_trace()
             errstring += _("\nSyntaxError encountered when loading cmdset '{path}': \"{error}\".")
             errstring = errstring.format(path=python_path, error=e)
             break
-        except Exception, e:
+        except Exception as e:
             logger.log_trace()
             errstring += _("\nCompile/Run error when loading cmdset '{path}': \"{error}\".")
             errstring = errstring.format(path=python_path, error=e)
diff --git a/evennia/commands/default/batchprocess.py b/evennia/commands/default/batchprocess.py
index 1e2a452388..7a3dd3fc42 100644
--- a/evennia/commands/default/batchprocess.py
+++ b/evennia/commands/default/batchprocess.py
@@ -239,7 +239,7 @@ class CmdBatchCommands(MuxCommand):
 
         try:
             commands = BATCHCMD.parse_file(python_path)
-        except UnicodeDecodeError, err:
+        except UnicodeDecodeError as err:
             caller.msg(_UTF8_ERROR % (python_path, err))
             return
         except IOError as err:
@@ -346,7 +346,7 @@ class CmdBatchCode(MuxCommand):
         #parse indata file
         try:
             codes = BATCHCODE.parse_file(python_path, debug=debug)
-        except UnicodeDecodeError, err:
+        except UnicodeDecodeError as err:
             caller.msg(_UTF8_ERROR % (python_path, err))
             return
         except IOError:
diff --git a/evennia/commands/default/building.py b/evennia/commands/default/building.py
index ea8168cbec..d787897007 100644
--- a/evennia/commands/default/building.py
+++ b/evennia/commands/default/building.py
@@ -1774,7 +1774,7 @@ class CmdLock(ObjManipCommand):
             lockdef = re.sub(r"\'|\"", "", lockdef)
             try:
                 ok = obj.locks.add(lockdef)
-            except LockException, e:
+            except LockException as e:
                 caller.msg(str(e))
             if ok:
                 caller.msg("Added lock '%s' to %s." % (lockdef, obj))
diff --git a/evennia/commands/default/player.py b/evennia/commands/default/player.py
index 941201793e..36ee23ec08 100644
--- a/evennia/commands/default/player.py
+++ b/evennia/commands/default/player.py
@@ -258,7 +258,7 @@ class CmdIC(MuxPlayerCommand):
         try:
             player.puppet_object(sessid, new_character)
             player.db._last_puppet = new_character
-        except RuntimeError, exc:
+        except RuntimeError as exc:
             self.msg("{rYou cannot become {C%s{n: %s" % (new_character.name, exc))
 
 
@@ -298,7 +298,7 @@ class CmdOOC(MuxPlayerCommand):
             player.unpuppet_object(sessid)
             self.msg("\n{GYou go OOC.{n\n")
             player.execute_cmd("look", sessid=sessid)
-        except RuntimeError, exc:
+        except RuntimeError as exc:
             self.msg("{rCould not unpuppet from {c%s{n: %s" % (old_char, exc))
 
 class CmdSessions(MuxPlayerCommand):
diff --git a/evennia/commands/default/unloggedin.py b/evennia/commands/default/unloggedin.py
index f2063825ae..4751c2d8f0 100644
--- a/evennia/commands/default/unloggedin.py
+++ b/evennia/commands/default/unloggedin.py
@@ -467,7 +467,7 @@ def _create_player(session, playername, password, permissions, typeclass=None):
         new_player = create.create_player(playername, None, password,
                                           permissions=permissions, typeclass=typeclass)
 
-    except Exception, e:
+    except Exception as e:
         session.msg("There was an error creating the Player:\n%s\n If this problem persists, contact an admin." % e)
         logger.log_trace()
         return False
@@ -505,7 +505,7 @@ def _create_character(session, new_player, typeclass, home, permissions):
             new_character.db.desc = "This is a Player."
         # We need to set this to have @ic auto-connect to this character
         new_player.db._last_puppet = new_character
-    except Exception, e:
+    except Exception as e:
         session.msg("There was an error creating the Character:\n%s\n If this problem persists, contact an admin." % e)
         logger.log_trace()
         return False
diff --git a/evennia/comms/comms.py b/evennia/comms/comms.py
index a8d9b4bdf5..c7403f5bec 100644
--- a/evennia/comms/comms.py
+++ b/evennia/comms/comms.py
@@ -200,7 +200,7 @@ class DefaultChannel(ChannelDB):
                 # note our addition of the from_channel keyword here. This could be checked
                 # by a custom player.msg() to treat channel-receives differently.
                 entity.msg(msg.message, from_obj=msg.senders, from_channel=self.id)
-            except AttributeError, e:
+            except AttributeError as e:
                 logger.log_trace("%s\nCannot send msg to '%s'." % (e, entity))
 
     def msg(self, msgobj, header=None, senders=None, sender_strings=None,
diff --git a/evennia/contrib/email_login.py b/evennia/contrib/email_login.py
index 0f73797fc8..cee8a14843 100644
--- a/evennia/contrib/email_login.py
+++ b/evennia/contrib/email_login.py
@@ -208,7 +208,7 @@ its and @/./+/-/_ only.") # this echoes the restrictions made by django's auth m
                 new_player = create.create_player(playername, email, password,
                                                      permissions=permissions)
 
-            except Exception, e:
+            except Exception as e:
                 session.msg("There was an error creating the default Player/Character:\n%s\n If this problem persists, contact an admin." % e)
                 logger.log_trace()
                 return
diff --git a/evennia/contrib/menusystem.py b/evennia/contrib/menusystem.py
index 3e81c30cfe..3bc52c2fe7 100644
--- a/evennia/contrib/menusystem.py
+++ b/evennia/contrib/menusystem.py
@@ -72,7 +72,7 @@ class CmdMenuNode(Command):
         if self.callback:
             try:
                 self.callback()
-            except Exception, e:
+            except Exception as e:
                 self.caller.msg("%s\n{rThere was an error with this selection.{n" % e)
         else:
             self.caller.msg("{rThis option is not available.{n")
diff --git a/evennia/objects/models.py b/evennia/objects/models.py
index 7d8bcc92f1..8136145cdd 100644
--- a/evennia/objects/models.py
+++ b/evennia/objects/models.py
@@ -267,7 +267,7 @@ class ObjectDB(TypedObject):
             errmsg = "Error: %s.location = %s creates a location loop." % (self.key, location)
             logger.log_errmsg(errmsg)
             raise #RuntimeError(errmsg)
-        except Exception, e:
+        except Exception as e:
             errmsg = "Error (%s): %s is not a valid location." % (str(e), location)
             logger.log_errmsg(errmsg)
             raise #Exception(errmsg)
diff --git a/evennia/server/evennia_launcher.py b/evennia/server/evennia_launcher.py
index 303c7095fc..c1f4f6469c 100644
--- a/evennia/server/evennia_launcher.py
+++ b/evennia/server/evennia_launcher.py
@@ -527,7 +527,7 @@ def check_database():
     from evennia.players.models import PlayerDB
     try:
         PlayerDB.objects.get(id=1)
-    except django.db.utils.OperationalError, e:
+    except django.db.utils.OperationalError as e:
         print ERROR_DATABASE.format(traceback=e)
         sys.exit()
     except PlayerDB.DoesNotExist:
@@ -783,7 +783,7 @@ def init_game_directory(path, check_db=True):
     # test existence of the settings module
     try:
         from django.conf import settings
-    except Exception, ex:
+    except Exception as ex:
         if not str(ex).startswith("No module named"):
             import traceback
             print traceback.format_exc().strip()
@@ -1226,7 +1226,7 @@ def main():
                     args.append(arg)
         try:
             django.core.management.call_command(*args, **kwargs)
-        except django.core.management.base.CommandError, exc:
+        except django.core.management.base.CommandError as exc:
             args = ", ".join(args)
             kwargs = ", ".join(["--%s" % kw for kw in kwargs])
             print ERROR_INPUT.format(traceback=exc, args=args, kwargs=kwargs)
diff --git a/evennia/server/evennia_runner.py b/evennia/server/evennia_runner.py
index fff469135d..c8a0310512 100644
--- a/evennia/server/evennia_runner.py
+++ b/evennia/server/evennia_runner.py
@@ -144,7 +144,7 @@ def start_services(server_argv, portal_argv):
     def server_waiter(queue):
         try:
             rc = Popen(server_argv, env=getenv()).wait()
-        except Exception, e:
+        except Exception as e:
             print PROCESS_ERROR.format(component="Server", traceback=e)
             return
         # this signals the controller that the program finished
@@ -153,7 +153,7 @@ def start_services(server_argv, portal_argv):
     def portal_waiter(queue):
         try:
             rc = Popen(portal_argv, env=getenv()).wait()
-        except Exception, e:
+        except Exception as e:
             print PROCESS_ERROR.format(component="Portal", traceback=e)
             return
         # this signals the controller that the program finished
@@ -168,7 +168,7 @@ def start_services(server_argv, portal_argv):
                 # normal operation: start portal as a daemon;
                 # we don't care to monitor it for restart
                 PORTAL = Popen(portal_argv, env=getenv())
-        except IOError, e:
+        except IOError as e:
             print PROCESS_IOERROR.format(component="Portal", traceback=e)
             return
 
@@ -176,7 +176,7 @@ def start_services(server_argv, portal_argv):
         if server_argv:
             # start server as a reloadable thread
             SERVER = thread.start_new_thread(server_waiter, (processes, ))
-    except IOError, e:
+    except IOError as e:
         print PROCESS_IOERROR.format(component="Server", traceback=e)
         return
 
diff --git a/evennia/server/oob_cmds.py b/evennia/server/oob_cmds.py
index c69e25388e..9c712bb8ff 100644
--- a/evennia/server/oob_cmds.py
+++ b/evennia/server/oob_cmds.py
@@ -201,7 +201,7 @@ def oob_send(session, *args, **kwargs):
                 #print "MSDP SEND inp:", name
                 value = OOB_SENDABLE.get(name, _NA)(obj)
                 ret[name] = value
-            except Exception, e:
+            except Exception as e:
                 ret[name] = str(e)
         # return, make sure to use the right case
         session.msg(oob=("MSDP_TABLE", (), ret))
diff --git a/evennia/server/oobhandler.py b/evennia/server/oobhandler.py
index a6e061e741..3303578121 100644
--- a/evennia/server/oobhandler.py
+++ b/evennia/server/oobhandler.py
@@ -462,7 +462,7 @@ class OOBHandler(TickerHandler):
         # we found an oob command. Execute it.
         try:
             oobfunc(session, *args, **kwargs)
-        except Exception, err:
+        except Exception as err:
             errmsg = "Exception in %s(*%s, **%s):\n%s" % (oobfuncname, args, kwargs, err)
             if _OOB_ERROR:
                 _OOB_ERROR(session, errmsg, *args, **kwargs)
diff --git a/evennia/server/portal/ssh.py b/evennia/server/portal/ssh.py
index 0e92cf8abf..9d55e62e64 100644
--- a/evennia/server/portal/ssh.py
+++ b/evennia/server/portal/ssh.py
@@ -212,7 +212,7 @@ class SshProtocol(Manhole, session.Session):
         """
         try:
             text = utils.to_str(text if text else "", encoding=self.encoding)
-        except Exception, e:
+        except Exception as e:
             self.lineSend(str(e))
             return
         raw = kwargs.get("raw", False)
@@ -382,7 +382,7 @@ def makeFactory(configdict):
         publicKey, privateKey = getKeyPair(pubkeyfile, privkeyfile)
         factory.publicKeys = {'ssh-rsa': publicKey}
         factory.privateKeys = {'ssh-rsa': privateKey}
-    except Exception, e:
+    except Exception as e:
         print " getKeyPair error: %(e)s\n WARNING: Evennia could not auto-generate SSH keypair. Using conch default keys instead." % {'e': e}
         print " If this error persists, create game/%(pub)s and game/%(priv)s yourself using third-party tools." % {'pub': pubkeyfile, 'priv': privkeyfile}
 
diff --git a/evennia/server/portal/ssl.py b/evennia/server/portal/ssl.py
index b17a290608..4ea623c971 100644
--- a/evennia/server/portal/ssl.py
+++ b/evennia/server/portal/ssl.py
@@ -44,7 +44,7 @@ def verify_SSL_key_and_cert(keyfile, certfile):
             rsaKey = Key(RSA.generate(KEY_LENGTH))
             keyString = rsaKey.toString(type="OPENSSH")
             file(keyfile, 'w+b').write(keyString)
-        except Exception, e:
+        except Exception as e:
             print "rsaKey error: %(e)s\n WARNING: Evennia could not auto-generate SSL private key." % {'e': e}
             print "If this error persists, create game/%(keyfile)s yourself using third-party tools." % {'keyfile': keyfile}
             sys.exit(5)
@@ -58,7 +58,7 @@ def verify_SSL_key_and_cert(keyfile, certfile):
         try:
             #, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
             subprocess.call(exestring)
-        except OSError, e:
+        except OSError as e:
             string = "\n".join([
                  "  %s\n" % e,
                  "  Evennia's SSL context factory could not automatically",
diff --git a/evennia/server/portal/telnet.py b/evennia/server/portal/telnet.py
index 623280d0d2..1bc3c2b7c1 100644
--- a/evennia/server/portal/telnet.py
+++ b/evennia/server/portal/telnet.py
@@ -172,12 +172,12 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
                 else:
                     self.iaw_mode = False
                 return
-            except Exception, err1:
+            except Exception as err1:
                 conv = ""
                 try:
                     for b in data:
                         conv += " " + repr(ord(b))
-                except Exception, err2:
+                except Exception as err2:
                     conv = str(err2) + ":", str(data)
                 out = "Telnet Error (%s): %s (%s)" % (err1, data, conv)
                 logger.log_trace(out)
@@ -299,7 +299,7 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
 
         try:
             text = utils.to_str(text if text else "", encoding=self.encoding)
-        except Exception, e:
+        except Exception as e:
             self.sendLine(str(e))
             return
         if "oob" in kwargs and "OOB" in self.protocol_flags:
diff --git a/evennia/server/portal/websocket_client.py b/evennia/server/portal/websocket_client.py
index f28e3d350f..d6da0f9632 100644
--- a/evennia/server/portal/websocket_client.py
+++ b/evennia/server/portal/websocket_client.py
@@ -172,7 +172,7 @@ class WebSocketClient(Protocol, Session):
         """
         try:
             text = to_str(text if text else "", encoding=self.encoding)
-        except Exception, e:
+        except Exception as e:
             self.sendLine(str(e))
         if "oob" in kwargs:
             for cmdname, args, okwargs in kwargs["oob"]:
diff --git a/evennia/utils/batchprocessors.py b/evennia/utils/batchprocessors.py
index 6c8bc1c27a..5ab3b2af0b 100644
--- a/evennia/utils/batchprocessors.py
+++ b/evennia/utils/batchprocessors.py
@@ -230,7 +230,7 @@ def read_batchfile(pythonpath, file_ending='.py'):
             try:
                 with codecs.open(abspath, 'r', encoding=file_encoding) as fobj:
                     text = fobj.read()
-            except (ValueError, UnicodeDecodeError), e:
+            except (ValueError, UnicodeDecodeError) as e:
                 # this means an encoding error; try another encoding
                 decoderr.append(str(e))
                 continue
diff --git a/evennia/utils/eveditor.py b/evennia/utils/eveditor.py
index 9d046770ff..5d50755b97 100644
--- a/evennia/utils/eveditor.py
+++ b/evennia/utils/eveditor.py
@@ -626,7 +626,7 @@ class EvEditor(object):
         """
         try:
             self._buffer = self._loadfunc(self._caller)
-        except Exception, e:
+        except Exception as e:
             self._caller.msg(_ERROR_LOADFUNC.format(error=e))
 
     def get_buffer(self):
@@ -661,7 +661,7 @@ class EvEditor(object):
         """
         try:
             self._quitfunc(self._caller)
-        except Exception, e:
+        except Exception as e:
             self._caller.msg(_ERROR_QUITFUNC.format(error=e))
         del self._caller.ndb._lineeditor
         self._caller.cmdset.remove(EvEditorCmdSet)
@@ -679,7 +679,7 @@ class EvEditor(object):
                     # save worked. The saving function is responsible for
                     # any status messages.
                     self._unsaved = False
-            except Exception, e:
+            except Exception as e:
                 self._caller.msg(_ERROR_SAVEFUNC.format(error=e))
         else:
             self._caller.msg(_MSG_SAVE_NO_CHANGE)
diff --git a/evennia/utils/evtable.py b/evennia/utils/evtable.py
index 3ef66476dd..e58a09f043 100644
--- a/evennia/utils/evtable.py
+++ b/evennia/utils/evtable.py
@@ -1266,7 +1266,7 @@ class EvTable(object):
         for ix, col in enumerate(self.worktable):
             try:
                 col.reformat(width=cwidths[ix], **options)
-            except Exception, e:
+            except Exception as e:
                 msg = "ix=%s, width=%s: %s" % (ix, cwidths[ix], e.message)
                 raise #Exception ("Error in horizontal allign:\n %s" % msg)
 
@@ -1315,7 +1315,7 @@ class EvTable(object):
             for iy, cell in enumerate(col):
                 try:
                     col.reformat_cell(iy, height=cheights[iy], **options)
-                except Exception, e:
+                except Exception as e:
                     msg = "ix=%s, iy=%s, height=%s: %s" % (ix, iy, cheights[iy], e.message)
                     raise Exception ("Error in vertical allign:\n %s" % msg)
 
diff --git a/evennia/utils/logger.py b/evennia/utils/logger.py
index e481c790bf..011cb275de 100644
--- a/evennia/utils/logger.py
+++ b/evennia/utils/logger.py
@@ -40,7 +40,7 @@ def log_trace(errmsg=None):
         if errmsg:
             try:
                 errmsg = str(errmsg)
-            except Exception, e:
+            except Exception as e:
                 errmsg = str(e)
             for line in errmsg.splitlines():
                 log.msg('[EE] %s' % line)
@@ -59,7 +59,7 @@ def log_err(errmsg):
     """
     try:
         errmsg = str(errmsg)
-    except Exception, e:
+    except Exception as e:
         errmsg = str(e)
     for line in errmsg.splitlines():
         log.msg('[EE] %s' % line)
@@ -77,7 +77,7 @@ def log_warn(warnmsg):
     """
     try:
         warnmsg = str(warnmsg)
-    except Exception, e:
+    except Exception as e:
         warnmsg = str(e)
     for line in warnmsg.splitlines():
         log.msg('[WW] %s' % line)
@@ -93,7 +93,7 @@ def log_info(infomsg):
     """
     try:
         infomsg = str(infomsg)
-    except Exception, e:
+    except Exception as e:
         infomsg = str(e)
     for line in infomsg.splitlines():
         log.msg('[..] %s' % line)
@@ -109,7 +109,7 @@ def log_dep(depmsg):
     """
     try:
         depmsg = str(depmsg)
-    except Exception, e:
+    except Exception as e:
         depmsg = str(e)
     for line in depmsg.splitlines():
         log.msg('[DP] %s' % line)
diff --git a/evennia/utils/txws.py b/evennia/utils/txws.py
index 4a565eac4f..8091942e32 100644
--- a/evennia/utils/txws.py
+++ b/evennia/utils/txws.py
@@ -420,7 +420,7 @@ class WebSocketProtocol(ProtocolWrapper):
 
         try:
             frames, self.buf = parser(self.buf)
-        except WSException, wse:
+        except WSException as wse:
             # Couldn't parse all the frames, something went wrong, let's bail.
             self.close(wse.args[0])
             return
diff --git a/evennia/utils/utils.py b/evennia/utils/utils.py
index e92bc9d736..6bbecb06ea 100644
--- a/evennia/utils/utils.py
+++ b/evennia/utils/utils.py
@@ -926,7 +926,7 @@ def mod_import(module):
         if errmsg:
             try:
                 errmsg = to_str(errmsg)
-            except Exception, e:
+            except Exception as e:
                 errmsg = str(e)
             for line in errmsg.splitlines():
                 log.msg('[EE] %s' % line)
@@ -941,7 +941,7 @@ def mod_import(module):
         # first try to import as a python path
         try:
             mod = __import__(module, fromlist=["None"])
-        except ImportError, ex:
+        except ImportError as ex:
             # check just where the ImportError happened (it could have been
             # an erroneous import inside the module as well). This is the
             # trivial way to do it ...
@@ -1104,7 +1104,7 @@ def fuzzy_import_from_module(path, variable, default=None, defaultpaths=None):
     for modpath in paths:
         try:
             mod = import_module(path)
-        except ImportError, ex:
+        except ImportError as ex:
             if not str(ex).startswith ("No module named %s" % path):
                 # this means the module was found but it
                 # triggers an ImportError on import.