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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import psycopg2
def get_connection(user=None, port=None, host=None, dbname='pgbouncer', password=None):
kwargs = { 'user': user, 'port': port, 'host': host, 'dbname': dbname, 'password': password }
kwargs = dict([(k, v) for k, v in kwargs.items() if v])
connection = psycopg2.connect(
**kwargs
)
# pgbouncer does not support transactions (as it does not make sense to),
# so don't start a transaction when connecting
connection.set_session(autocommit=True)
return connection
def get_data_by_named_column(connection, key):
with connection.cursor() as cursor:
cursor.execute('SHOW %s;' % key)
rows = cursor.fetchall()
column_names = list(column.name for column in cursor.description)
return [
dict(zip(column_names, row))
for row in rows
]
def get_data_by_named_row(connection, key):
with connection.cursor() as cursor:
cursor.execute('SHOW %s;' % key)
return dict(cursor.fetchall())
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