Add infra_libs as a bootstrap dependency.

infra_libs/ts_mon/common/pb_to_popo.py

-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import logging
-
-from google.protobuf.descriptor import FieldDescriptor as fd
-
-def convert(pb):
-  """Convert protobuf to plain-old-python-object"""
-  obj = {}
-  for field, value in pb.ListFields():
-    if field.label == fd.LABEL_REPEATED:
-      obj[field.name] = list(_get_json_func(field.type)(v) for v in value)
-    else:
-      obj[field.name] = _get_json_func(field.type)(value)
-  return obj
-
-def _get_json_func(field_type):
-  if field_type in _FD_TO_JSON:
-    return _FD_TO_JSON[field_type]
-  else: # pragma: no cover
-    logging.warning("pb_to_popo doesn't support converting %s", field_type)
-    return unicode
-
-_FD_TO_JSON  = {
-  fd.TYPE_BOOL: bool,
-  fd.TYPE_DOUBLE: float,
-  fd.TYPE_ENUM: int,
-  fd.TYPE_FIXED32: float,
-  fd.TYPE_FIXED64: float,
-  fd.TYPE_FLOAT: float,
-  fd.TYPE_INT32: int,
-  fd.TYPE_INT64: long,
-  fd.TYPE_SFIXED32: float,
-  fd.TYPE_SFIXED64: float,
-  fd.TYPE_SINT32: int,
-  fd.TYPE_SINT64: long,
-  fd.TYPE_STRING: unicode,
-  fd.TYPE_UINT32: int,
-  fd.TYPE_UINT64: long,
-  fd.TYPE_MESSAGE: convert
-}