3 ms·

class PG: _pg_conn = None @classmethod def pg(cls): if cls._pg_conn is None: cls._pg_conn = psycopg2.connec

by bb88 5y ago

class PG: _pg_conn = None @classmethod def pg(cls): if cls._pg_conn is None: cls._pg_conn = psycopg2.connect(...) return cls._pg_conn connection = PG.pg()

michelpp 5y ago
Another approach would be to use a lazy property: https://pypi.org/project/lazy-property/ https://pypi.org/project/lazy-property/
- bb88 5y ago
  I've seen that. I wish it were in the standard library though.