Moved hex2 to compat

Author: technige

neo4j/compat.py

@@ -34,10 +34,24 @@
 except NameError:
     integer = int
     string = str
+
+    def hex2(x):
+        if x < 0x10:
+            return "0" + hex(x)[2:].upper()
+        else:
+            return hex(x)[2:].upper()
+
 else:
     integer = (int, long)
     string = (str, unicode)
 
+    def hex2(x):
+        x = ord(x)
+        if x < 0x10:
+            return "0" + hex(x)[2:].upper()
+        else:
+            return hex(x)[2:].upper()
+
 
 try:
     from multiprocessing import Array, Process

neo4j/connection.py

@@ -20,17 +20,17 @@
 
 from __future__ import division
 
-from collections import deque, namedtuple
+from collections import deque
 from io import BytesIO
 import logging
 from os import environ
 from select import select
 from socket import create_connection, SHUT_RDWR
 from struct import pack as struct_pack, unpack as struct_unpack, unpack_from as struct_unpack_from
 
-from .compat import perf_counter, secure_socket
+from .compat import hex2, secure_socket
 from .exceptions import ProtocolError
-from .packstream import Packer, Unpacker, Structure
+from .packstream import Packer, Unpacker
 
 
 DEFAULT_PORT = 7687
@@ -70,13 +70,6 @@
 log_error = log.error
 
 
-def hex2(x):
-    if x < 0x10:
-        return "0" + hex(x)[2:].upper()
-    else:
-        return hex(x)[2:].upper()
-
-
 class ChunkChannel(object):
     """ Reader/writer for chunked data.