andrej@1511: #!/usr/bin/env python andrej@1511: # -*- coding: utf-8 -*- andrej@1511: andrej@1511: # This file is part of Beremiz, a Integrated Development Environment for andrej@1511: # programming IEC 61131-3 automates supporting plcopen standard and CanFestival. andrej@1511: # andrej@1511: # Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD andrej@1680: # Copyright (C) 2017: Andrey Skvortsov andrej@1511: # andrej@1511: # See COPYING file for copyrights details. andrej@1511: # andrej@1511: # This program is free software; you can redistribute it and/or andrej@1511: # modify it under the terms of the GNU General Public License andrej@1511: # as published by the Free Software Foundation; either version 2 andrej@1511: # of the License, or (at your option) any later version. andrej@1511: # andrej@1511: # This program is distributed in the hope that it will be useful, andrej@1511: # but WITHOUT ANY WARRANTY; without even the implied warranty of andrej@1511: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the andrej@1511: # GNU General Public License for more details. andrej@1511: # andrej@1511: # You should have received a copy of the GNU General Public License andrej@1511: # along with this program; if not, write to the Free Software andrej@1511: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. andrej@1511: andrej@1853: andrej@1853: from __future__ import absolute_import laurent@366: import os Edouard@728: from POULibrary import POULibrary andrej@1853: from py_ext.PythonFileCTNMixin import PythonFileCTNMixin andrej@1680: import util.paths as paths laurent@366: andrej@1736: Edouard@728: class PythonLibrary(POULibrary): Edouard@728: def GetLibraryPath(self): andrej@1730: return paths.AbsNeighbourFile(__file__, "pous.xml") laurent@366: Edouard@728: def Generate_C(self, buildpath, varlist, IECCFLAGS): andrej@1730: andrej@1680: plc_python_filepath = paths.AbsNeighbourFile(__file__, "plc_python.c") laurent@366: plc_python_file = open(plc_python_filepath, 'r') laurent@366: plc_python_code = plc_python_file.read() laurent@366: plc_python_file.close() laurent@366: python_eval_fb_list = [] Edouard@728: for v in varlist: Edouard@1132: if v["vartype"] == "FB" and v["type"] in ["PYTHON_EVAL", Edouard@1132: "PYTHON_POLL"]: laurent@366: python_eval_fb_list.append(v) laurent@366: python_eval_fb_count = max(1, len(python_eval_fb_list)) andrej@1730: laurent@366: # prepare python code Edouard@1132: plc_python_code = plc_python_code % { andrej@1746: "python_eval_fb_count": python_eval_fb_count} andrej@1730: Edouard@728: Gen_Pythonfile_path = os.path.join(buildpath, "py_ext.c") andrej@1740: pythonfile = open(Gen_Pythonfile_path, 'w') laurent@366: pythonfile.write(plc_python_code) laurent@366: pythonfile.close() andrej@1730: Edouard@728: return (["py_ext"], [(Gen_Pythonfile_path, IECCFLAGS)], True), "" Edouard@728: andrej@1736: Edouard@728: class PythonFile(PythonFileCTNMixin): andrej@1730: laurent@781: def GetIconName(self): laurent@781: return "Pyfile"