21 # You should have received a copy of the GNU General Public License

    21 # You should have received a copy of the GNU General Public License

    22 # along with this program; if not, write to the Free Software

    22 # along with this program; if not, write to the Free Software

    23 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    23 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    24 

    24 

    25 from weakref import ref

    25 from weakref import ref

    26 

    27 

    27 class POULibrary:

    28 class POULibrary:

    28     def __init__(self, CTR, LibName, TypeStack):

    29     def __init__(self, CTR, LibName, TypeStack):

    29         from PLCControler import PLCControler

    30         from PLCControler import PLCControler

    30         self.CTR = ref(CTR)

    31         self.CTR = ref(CTR)