From 34ed6bd399af49c3cce9dca54287c2300252de01 Mon Sep 17 00:00:00 2001
From: Joel Bender <jjb5@cornell.edu>
Date: Wed, 12 Aug 2015 09:07:11 -0400
Subject: [PATCH] Python3 no longer uses __cmp__, incorrect initialization for
 octet strings

---
 py34/bacpypes/primitivedata.py | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/py34/bacpypes/primitivedata.py b/py34/bacpypes/primitivedata.py
index 6539e3a..591b81d 100755
--- a/py34/bacpypes/primitivedata.py
+++ b/py34/bacpypes/primitivedata.py
@@ -451,6 +451,8 @@ class Atomic(object):
     _app_tag = None
 
     def __cmp__(self, other):
+        # sys.stderr.write("__cmp__ %r %r\n" % (self, other))
+
         # hoop jump it
         if not isinstance(other, self.__class__):
             other = self.__class__(other)
@@ -463,6 +465,26 @@ class Atomic(object):
         else:
             return 0
 
+    def __lt__(self, other):
+        # sys.stderr.write("__lt__ %r %r\n" % (self, other))
+
+        # hoop jump it
+        if not isinstance(other, self.__class__):
+            other = self.__class__(other)
+
+        # now compare the values
+        return (self.value < other.value)
+
+    def __eq__(self, other):
+        sys.stderr.write("__eq__ %r %r\n" % (self, other))
+
+        # hoop jump it
+        if not isinstance(other, self.__class__):
+            other = self.__class__(other)
+
+        # now compare the values
+        return self.value == other.value
+
 #
 #   Null
 #
@@ -738,7 +760,7 @@ class OctetString(Atomic):
     _app_tag = Tag.octetStringAppTag
 
     def __init__(self, arg=None):
-        self.value = ''
+        self.value = bytes()
 
         if arg is None:
             pass