POULibrary.py
author etisserant <edouard.tisserant@gmail.com>
Tue, 25 Jan 2022 16:37:16 +0100
changeset 3415 c270b6c8162b
parent 3302 c89fc366bebd
permissions -rw-r--r--
Create README.md in tests
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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from __future__ import absolute_import
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from weakref import ref
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# Exception type for problems that user has to take action in order to fix
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class UserAddressedException(Exception):
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    pass
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class POULibrary(object):
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    def __init__(self, CTR, LibName, TypeStack):
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        from PLCControler import PLCControler
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        self.CTR = ref(CTR)
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        self.LibName = LibName
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        self.LibraryControler = PLCControler()
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        self.LibraryControler.OpenXMLFile(self.GetLibraryPath())
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        self.LibraryControler.ClearConfNodeTypes()
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        self.LibraryControler.AddConfNodeTypesList(TypeStack)
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        self.program = None
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    def GetSTCode(self):
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        if not self.program:
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            self.program = self.LibraryControler.GenerateProgram()[0]+"\n"
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        return self.program
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    def GetName(self):
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        return self.LibName
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    def GetCTR(self):
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        return self.CTR()
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    def GetTypes(self):
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        return {"name": self.GetName(), "types": self.LibraryControler.Project}
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    def GetLibraryPath(self):
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        raise Exception("Not implemented")
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    def Generate_C(self, buildpath, varlist, IECCFLAGS):
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        # Pure python or IEC libs doesn't produce C code
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        return ((""), [], False), ""
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    def GlobalInstances(self):
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        """
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        @return: [(instance_name, instance_type),...]
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        """
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        return []
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    def FatalError(self, message):
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        """ Raise an exception that will trigger error message intended to 
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            the user, but without backtrace since it is not a software error """
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        raise UserAddressedException(message)
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def SimplePOULibraryFactory(path):
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    class SimplePOULibrary(POULibrary):
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        def GetLibraryPath(self):
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            return path
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    return SimplePOULibrary