populate_datastore.py

# Copyright 2014 Google Inc. All rights reserved.
#
# 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.

"""Script to populate datastore with regression test data."""

from six.moves import zip

from gcloud import datastore
from gcloud.datastore.entity import Entity
from gcloud.datastore.key import Key
from gcloud.datastore.transaction import Transaction


datastore._DATASET_ENV_VAR_NAME = 'GCLOUD_TESTS_DATASET_ID'
datastore.set_defaults()


ANCESTOR = ('Book', 'GoT')
RICKARD = ANCESTOR + ('Character', 'Rickard')
EDDARD = RICKARD + ('Character', 'Eddard')
KEY_PATHS = [
    RICKARD,
    EDDARD,
    ANCESTOR + ('Character', 'Catelyn'),
    EDDARD + ('Character', 'Arya'),
    EDDARD + ('Character', 'Sansa'),
    EDDARD + ('Character', 'Robb'),
    EDDARD + ('Character', 'Bran'),
    EDDARD + ('Character', 'Jon Snow'),
]
CHARACTERS = [
    {
        'name': u'Rickard',
        'family': u'Stark',
        'appearances': 0,
        'alive': False,
    }, {
        'name': u'Eddard',
        'family': u'Stark',
        'appearances': 9,
        'alive': False,
    }, {
        'name': u'Catelyn',
        'family': [u'Stark', u'Tully'],
        'appearances': 26,
        'alive': False,
    }, {
        'name': u'Arya',
        'family': u'Stark',
        'appearances': 33,
        'alive': True,
    }, {
        'name': u'Sansa',
        'family': u'Stark',
        'appearances': 31,
        'alive': True,
    }, {
        'name': u'Robb',
        'family': u'Stark',
        'appearances': 22,
        'alive': False,
    }, {
        'name': u'Bran',
        'family': u'Stark',
        'appearances': 25,
        'alive': True,
    }, {
        'name': u'Jon Snow',
        'family': u'Stark',
        'appearances': 32,
        'alive': True,
    },
]


def add_characters():
    with Transaction():
        for key_path, character in zip(KEY_PATHS, CHARACTERS):
            if key_path[-1] != character['name']:
                raise ValueError(('Character and key don\'t agree',
                                  key_path, character))
            entity = Entity(key=Key(*key_path))
            entity.update(character)
            entity.save()
            print('Adding Character %s %s' % (character['name'],
                                              character['family']))


if __name__ == '__main__':
    add_characters()