laurent@366: import os
Edouard@728: from POULibrary import POULibrary
Edouard@728: from PythonFileCTNMixin import PythonFileCTNMixin
laurent@366: 
Edouard@728: class PythonLibrary(POULibrary):
Edouard@728:     def GetLibraryPath(self):
Edouard@728:         return os.path.join(os.path.split(__file__)[0], "pous.xml") 
laurent@366: 
Edouard@728:     def Generate_C(self, buildpath, varlist, IECCFLAGS):
laurent@366:         
laurent@366:         plc_python_filepath = os.path.join(os.path.split(__file__)[0], "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:
laurent@366:             if v["vartype"] == "FB" and v["type"] in ["PYTHON_EVAL","PYTHON_POLL"]:
laurent@366:                 python_eval_fb_list.append(v)
laurent@366:         python_eval_fb_count = max(1, len(python_eval_fb_list))
laurent@366:         
laurent@366:         # prepare python code
Edouard@728:         plc_python_code = plc_python_code % { "python_eval_fb_count": python_eval_fb_count }
laurent@366:         
Edouard@728:         Gen_Pythonfile_path = os.path.join(buildpath, "py_ext.c")
laurent@366:         pythonfile = open(Gen_Pythonfile_path,'w')
laurent@366:         pythonfile.write(plc_python_code)
laurent@366:         pythonfile.close()
laurent@366:         
Edouard@728:         return (["py_ext"], [(Gen_Pythonfile_path, IECCFLAGS)], True), ""
Edouard@728: 
Edouard@728: class PythonFile(PythonFileCTNMixin):
laurent@738:     
laurent@781:     def GetIconName(self):
laurent@781:         return "Pyfile"
laurent@738:     
Edouard@728:     def CTNGenerate_C(self, buildpath, locations):
Edouard@728:         current_location = self.GetCurrentLocation()
Edouard@728:         # define a unique name for the generated C file
Edouard@728:         location_str = "_".join(map(lambda x:str(x), current_location))
Edouard@728:         
Laurent@1124:         sections_code = self.GetSectionsCode()
Laurent@1124:         
Laurent@1124:         text = "## Code generated by Beremiz python mixin confnode\n\n"
Laurent@1124:         
Laurent@1124:         # Adding variables
Laurent@1124:         text += "## User variables reference\n"
Laurent@1124:         text += sections_code["variables"]
Laurent@1124:         text += "\n"
Laurent@1124:         
Laurent@1124:         # Adding user global variables and routines
Laurent@1124:         text += "## User internal user variables and routines\n"
Laurent@1124:         text += sections_code["globals"]
Laurent@1124:         text += "\n"
Laurent@1124:         
Laurent@1124:         # Adding Beremiz python runtime functions
Laurent@1124:         text += "## Beremiz python runtime functions\n"
Laurent@1124:         for section in self.SECTIONS_NAMES:
Laurent@1124:             if section != "globals":
Laurent@1124:                 code_object = getattr(self.CodeFile, section)
Laurent@1124:                 text += "def _runtime_%s_%s():\n" % (location_str, section)
Laurent@1124:                 section_code = sections_code.get(section)
Laurent@1124:                 if section_code:
Laurent@1124:                     text += section_code
Laurent@1124:                 else:
Laurent@1124:                     text += "    pass\n\n"
Laurent@1124:         
laurent@366:         runtimefile_path = os.path.join(buildpath, "runtime_%s.py"%location_str)
laurent@366:         runtimefile = open(runtimefile_path, 'w')
Laurent@1124:         runtimefile.write(text)
laurent@366:         runtimefile.close()
laurent@366:         
Edouard@728:         return [], "", False, ("runtime_%s.py"%location_str, file(runtimefile_path,"rb"))
Edouard@728: