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diff --git a/third_party/py/abseil/absl/testing/_bazelize_command.py b/third_party/py/abseil/absl/testing/_bazelize_command.py
new file mode 100644
index 0000000000..93c135caa6
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+++ b/third_party/py/abseil/absl/testing/_bazelize_command.py
@@ -0,0 +1,49 @@
+# Copyright 2017 The Abseil Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Internal helper for running tests on Windows Bazel."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import os
+
+
+def get_executable_path(py_binary_path):
+  """Returns the executable path of a py_binary.
+
+  This returns the executable path of a py_binary that is in another Bazel
+  target's data dependencies.
+
+  On Linux/macOS, it's the same as the py_binary_path.
+  On Windows, the py_binary_path points to a zip file, and Bazel 0.5.3+
+  generates a .cmd file that can be used to execute the py_binary.
+
+  Args:
+    py_binary_path: string, the path of a py_binary that is in another Bazel
+        target's data dependencies.
+  """
+  if os.name == 'nt':
+    executable_path = py_binary_path + '.cmd'
+    if executable_path.startswith('\\\\?\\'):
+      # In Bazel 0.5.3 and Python 3, the paths starts with "\\?\".
+      # However, Python subprocess doesn't support those paths well.
+      # Strip them as we don't need the prefix.
+      # See this page for more informaton about "\\?\":
+      # https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247.
+      executable_path = executable_path[4:]
+    return executable_path
+  else:
+    return py_binary_path