rewrite_git_alternates: convert to python3 only
All users of these modules are python3 only already.
BUG=chromium:997354
TEST=`./run_tests` passes
Change-Id: Ifc70bd231b06ada7efb0bbdd09c80c2701c6cb43
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2646229
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/lib/rewrite_git_alternates b/lib/rewrite_git_alternates
index 72196ce..702f5b6 120000
--- a/lib/rewrite_git_alternates
+++ b/lib/rewrite_git_alternates
@@ -1 +1 @@
-../scripts/wrapper.py
\ No newline at end of file
+../scripts/wrapper3.py
\ No newline at end of file
diff --git a/lib/rewrite_git_alternates.py b/lib/rewrite_git_alternates.py
index 261c785..eadd1ff 100644
--- a/lib/rewrite_git_alternates.py
+++ b/lib/rewrite_git_alternates.py
@@ -13,10 +13,11 @@
__all__ = ('RebuildRepoCheckout',)
+import errno
import math
import os
import shutil
-import errno
+import sys
from chromite.lib import commandline
@@ -25,6 +26,9 @@
from chromite.lib import osutils
+assert sys.version_info >= (3, 6), 'This module requires Python 3.6+'
+
+
_CACHE_NAME = '.cros_projects.list'
