luci-py: Tools for working with BSD style ar archives.

client/libs/ar/__init__.py

Index: client/libs/ar/__init__.py
diff --git a/client/libs/ar/__init__.py b/client/libs/ar/__init__.py
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+# Copyright 2016 The LUCI Authors. All rights reserved.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
+
+"""
+Implements access to ar archives. ar is probably the simplest format that
+standard tools under Linux support.
+
+The base ar format only supports files which are 16 characters long. There
+are multiple methods for supporting longer file names.
+
+This package only supports the "BSD variant" as the filename is stored allow
+"streaming" support (rather than the Sys V / GNU variant which requires
+building a symbol table).
+
+References:
+* https://en.wikipedia.org/wiki/Ar_(Unix)
+"""
+
+from .reader import ArDefaultReader
+from .writer import ArWriter, ArDefaultWriter
+__all__ = ['ArDefaultReader', 'ArWriter', 'ArDefaultWriter']