1# -*- coding: utf-8 -*-
2# Copyright 2011 Google Inc. All Rights Reserved.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15"""Helper module for Google Cloud Storage project IDs."""
16
17from __future__ import absolute_import
18
19import boto
20
21from gslib.cloud_api import ProjectIdException
22
23GOOG_PROJ_ID_HDR = 'x-goog-project-id'
24
25
26def PopulateProjectId(project_id=None):
27  """Fills in a project_id from the boto config file if one is not provided."""
28  if not project_id:
29    default_id = boto.config.get_value('GSUtil', 'default_project_id')
30    if not default_id:
31      raise ProjectIdException('MissingProjectId')
32    return default_id
33  return project_id
34