byteswapping in offsets method will only be done if required - previously it was always performed even though the byte order of the system didn't require it

Author: Byron

pack.py

@@ -52,6 +52,8 @@
 from itertools import izip
 import array
 import os
+import sys
+
 __all__ = ('PackIndexFile', 'PackFile', 'PackEntity')
 
 
@@ -272,7 +274,8 @@ def offsets(self):
 			a.fromstring(buffer(self._data, self._pack_offset, self._pack_64_offset - self._pack_offset))
 
 			# networkbyteorder to something array likes more
-			a.byteswap()
+			if sys.byteorder == 'little':
+				a.byteswap()
 			return a
 		else:
 			return tuple(self.offset(index) for index in xrange(self.size()))

test/test_example.py

@@ -22,9 +22,13 @@ def test_base(self):
 			assert ldb.has_object(oinfo.binsha)
 		# END for each sha in database
 		# assure we close all files
-		del(ostream)
-		del(oinfo)
-		
+		try:
+			del(ostream)
+			del(oinfo)
+		except UnboundLocalError:
+			pass
+		# END ignore exception if there are no loose objects
+			
 		data = "my data"
 		istream = IStream("blob", len(data), StringIO(data))