Use a simplifed byte2int

pymysqlreplication/event.py

@@ -3,7 +3,7 @@
 import struct
 import datetime
 
-from pymysql.util import byte2int, int2byte
+from .util import byte2int, int2byte
 
 
 class BinLogEvent(object):

pymysqlreplication/packet.py

@@ -2,9 +2,9 @@
 
 import struct
 
-from pymysql.util import byte2int
 
 from pymysqlreplication import constants, event, row_event
+from .util import byte2int
 
 # Constants from PyMYSQL source code
 NULL_COLUMN = 251

pymysqlreplication/row_event.py

@@ -4,8 +4,7 @@
 import decimal
 import datetime
 
-from pymysql.util import byte2int
-
+from .util import byte2int
 from .event import BinLogEvent
 from .constants import FIELD_TYPE
 from .constants import BINLOG

pymysqlreplication/util.py

@@ -0,0 +1,10 @@
+import struct
+
+def byte2int(b):
+    try:
+        return struct.unpack("!B", b)[0]
+    except TypeError: #With python 3 some read return int
+        return b
+
+def int2byte(i):
+    return struct.pack("!B", i)