5dV@sdZddlZddljZGdddejZGdddeZGdddeZ Gd d d eZ Gd d d eZ dS) z`Connection pooling for psycopg2 This module implements thread-safe (and not) connection pools. Nc@seZdZdS) PoolErrorN)__name__ __module__ __qualname__rr1/tmp/pip-build-0jahl3lb/psycopg2/psycopg2/pool.pyrs rc@sjeZdZdZddZdddZddZdd d Zdd d d ZddZ dS)AbstractConnectionPoolzGeneric key-based pooling code.cOst||_t||_d|_||_||_g|_i|_i|_d|_ x!t |jD]}|j qmWdS)zInitialize the connection pool. New 'minconn' connections are created immediately calling 'connfunc' with given parameters. The connection pool will support a maximum of about 'maxconn' connections. FrN) intminconnmaxconnclosed_args_kwargs_pool_used_rused_keysrange_connect)selfr r argskwargsirrr__init__&s       zAbstractConnectionPool.__init__NcCs[tj|j|j}|dk rG||j|<||jt|s j#