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mercurial/bundle2.py
changeset 35119 764e3ad1cf54
parent 35118 1fb0846ad792
child 35120 699b2a759319 
--- a/mercurial/bundle2.py	Mon Nov 13 21:48:35 2017 -0800
+++ b/mercurial/bundle2.py	Mon Nov 13 21:54:46 2017 -0800
@@ -1196,11 +1196,14 @@
     dolog = ui.configbool('devel', 'bundle2.debug')
     debug = ui.debug
 
-    headersize = struct.calcsize(_fpayloadsize)
+    headerstruct = struct.Struct(_fpayloadsize)
+    headersize = headerstruct.size
+    unpack = headerstruct.unpack
+
     readexactly = changegroup.readexactly
     read = fh.read
 
-    chunksize = _unpack(_fpayloadsize, readexactly(fh, headersize))[0]
+    chunksize = unpack(readexactly(fh, headersize))[0]
     indebug(ui, 'payload chunk size: %i' % chunksize)
 
     # changegroup.readexactly() is inlined below for performance.
@@ -1227,7 +1230,7 @@
                                 ' (got %d bytes, expected %d)') %
                               (len(s), chunksize))
 
-        chunksize = _unpack(_fpayloadsize, s)[0]
+        chunksize = unpack(s)[0]
 
         # indebug() inlined for performance.
         if dolog:
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