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# Copyright 2018 Google LLC
#
# 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.
# [START functions_sql_mysql]
from os import getenv
import pymysql
is_production = getenv('SUPERVISOR_HOSTNAME') is not None
# TODO(developer): specify SQL connection details
mysql_config = {
'user': getenv('SQL_USER'),
'password': getenv('SQL_PASSWORD'),
'db': getenv('SQL_DATABASE'),
'charset': 'utf8mb4',
'cursorclass': pymysql.cursors.DictCursor,
'autocommit': True
}
if is_production:
mysql_config['unix_socket'] = \
'/cloudsql/' + getenv('INSTANCE_CONNECTION_NAME')
# Create SQL connection globally to enable reuse
mysql_connection = pymysql.connect(**mysql_config)
def mysql_demo(request):
with mysql_connection.cursor() as cursor:
cursor.execute('SELECT NOW() as now')
results = cursor.fetchone()
return str(results['now'])
# [END functions_sql_mysql]