31 lines
No EOL
924 B
Python
31 lines
No EOL
924 B
Python
import psycopg2
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from config import read_db_config
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from log_setup import logger
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class DBConnectionManager:
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def __init__(self):
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self._conn = None
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def connect(self):
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config = read_db_config()
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logger.debug("Establishing database connection.")
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self._conn = psycopg2.connect("dbname='{}' user='{}' password='{}' host='localhost'".format(
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config.db_name, config.db_user, config.db_pass
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))
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logger.debug("Established database connection.")
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def get_connection(self):
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"""
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Get the database connection.
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If not already connected, this reads the database config file and connects to the DB.
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Otherwise, the already active connection is returned.
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"""
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if self._conn is None:
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self.connect()
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return self._conn
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# Global instance that will hold our DB connection
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conn_manager = DBConnectionManager() |