# HG changeset patch
# User Mads Kiilerich <mads@kiilerich.com>
# Date 2019-11-25 01:48:22
# Node ID 1886705c4a8c092aa170e2da67b68b60b1458f47
# Parent  e26c0616e003e4a8fb1fc34fd942544f63044163

py3: use memoryview ... almost, but not entirely similar to buffer

diff --git a/kallithea/lib/diffs.py b/kallithea/lib/diffs.py
--- a/kallithea/lib/diffs.py
+++ b/kallithea/lib/diffs.py
@@ -292,7 +292,7 @@ class DiffProcessor(object):
         if not isinstance(diff, bytes):
             raise Exception('Diff must be bytes - got %s' % type(diff))
 
-        self._diff = diff
+        self._diff = memoryview(diff)
         self.adds = 0
         self.removes = 0
         self.diff_limit = diff_limit
@@ -315,7 +315,7 @@ class DiffProcessor(object):
                 self.limited_diff = True
                 continue
 
-            head, diff_lines = _get_header(self.vcs, buffer(self._diff, start, end - start))
+            head, diff_lines = _get_header(self.vcs, self._diff[start:end])
 
             op = None
             stats = {