from . import ModuleBase
import psycopg2

class Module(ModuleBase):
    def __init__(self, manager):
        ModuleBase.__init__(self, manager)
        
        self.conf = manager.config['pgsql']
        
        self.db = False
        self._connect()
    
    def _connect(self):
        if self.db:
            try:
                self.db.close()
            except:
                pass
        
        self.db = psycopg2.connect(host = self.conf['host'], user = self.conf['user'], password = self.conf['passwd'], database = self.conf['db'])
    
    def cursor(self):
        try:
            return self.db.cursor()
        except psycopg2.OperationalError:
            self._connect()
            return self.db.cursor()

    def commit(self):
        self.db.commit()