58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
|
# standard imports
|
||
|
|
import os
|
||
|
|
import logging
|
||
|
|
|
||
|
|
# local imports
|
||
|
|
from cic_eth.db.models.base import SessionBase
|
||
|
|
|
||
|
|
logg = logging.getLogger()
|
||
|
|
|
||
|
|
|
||
|
|
# an Engine, which the Session will use for connection
|
||
|
|
# resources
|
||
|
|
|
||
|
|
|
||
|
|
def dsn_from_config(config):
|
||
|
|
"""Generate a dsn string from the provided config dict.
|
||
|
|
|
||
|
|
The config dict must include all well-known database connection parameters, and must implement the method "get(key)" to retrieve them. Any missing parameters will be be rendered as the literal string "None"
|
||
|
|
|
||
|
|
:param config: Configuration object
|
||
|
|
:type config: Varies
|
||
|
|
:returns: dsn string
|
||
|
|
:rtype: str
|
||
|
|
"""
|
||
|
|
scheme = config.get('DATABASE_ENGINE')
|
||
|
|
if config.get('DATABASE_DRIVER') != None:
|
||
|
|
scheme += '+{}'.format(config.get('DATABASE_DRIVER'))
|
||
|
|
|
||
|
|
dsn = ''
|
||
|
|
dsn_out = ''
|
||
|
|
if config.get('DATABASE_ENGINE') == 'sqlite':
|
||
|
|
dsn = '{}:///{}'.format(
|
||
|
|
scheme,
|
||
|
|
config.get('DATABASE_NAME'),
|
||
|
|
)
|
||
|
|
dsn_out = dsn
|
||
|
|
|
||
|
|
else:
|
||
|
|
dsn = '{}://{}:{}@{}:{}/{}'.format(
|
||
|
|
scheme,
|
||
|
|
config.get('DATABASE_USER'),
|
||
|
|
config.get('DATABASE_PASSWORD'),
|
||
|
|
config.get('DATABASE_HOST'),
|
||
|
|
config.get('DATABASE_PORT'),
|
||
|
|
config.get('DATABASE_NAME'),
|
||
|
|
)
|
||
|
|
dsn_out = '{}://{}:{}@{}:{}/{}'.format(
|
||
|
|
scheme,
|
||
|
|
config.get('DATABASE_USER'),
|
||
|
|
'***',
|
||
|
|
config.get('DATABASE_HOST'),
|
||
|
|
config.get('DATABASE_PORT'),
|
||
|
|
config.get('DATABASE_NAME'),
|
||
|
|
)
|
||
|
|
logg.debug('parsed dsn from config: {}'.format(dsn_out))
|
||
|
|
return dsn
|
||
|
|
|