import psycopgdef getdsn(db = None, user = None, passwd = None, host = None): if user == None: import os, pwd user = pwd.getpwuid(os.getuid())[0] if db == None: db = user dsn = 'dbname=%s user=%s' % (db, user) if passwd != None: dsn += ' password=' + passwd if host != None: dsn += ' host=' + host return dsndsn = getdsn()print "Connecting to %s" % dsndbh = psycopg.connect(dsn)print "Connection successful."cur = dbh.cursor()cur.execute("DELETE FROM myTable")cur.execute("INSERT INTO myTable VALUES (0)")dbh.commit()dbh.close()
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