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import os

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from nodelist import NodeList

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from nodemanager import NodeManager

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import config_utils, gen_cfile

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from networkedit import networkedit

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class _NetworkEdit(networkedit):

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    " Overload some of CanFestival Network Editor methods "

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    def OnCloseFrame(self, event):

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        " Do reset _NodeListPlug.View when closed"

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        self._onclose()

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        event.Skip()

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class _NodeListPlug(NodeList):

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalNode">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Device" type="xsd:string" use="required" />

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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    def __init__(self):

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        manager = NodeManager()

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        NodeList.__init__(self, manager)

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        self.LoadProject(self.PlugPath())

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    _View = None

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        if not self._View:

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            def _onclose():

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                self.View = None

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            self._View = _NetworkEdit()

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            self._View._onclose = _onclose

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        return self.View

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    PluginMethods = [("NetworkEdit",_OpenView)]

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    def OnPlugClose(self):

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        if self._View:

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            self._View.Close()

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    def PlugTestModified(self):

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        return self.HasChanged()

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    def OnPlugSave(self):

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        self.SaveProject()

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        return True

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        """

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        Generate C code

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        @param current_location: Tupple containing plugin IEC location : %I0.0.4.5 => (0,0,4,5)

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        @param locations: List of complete variables locations \

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            [(IEC_loc, IEC_Direction IEC_Type, Name)]\

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            ex: [((0,0,4,5),'I','X','__IX_0_0_4_5'),...]

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        """

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        prefix = "_".join(map(lambda x:str(x), current_location))

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        Gen_OD_path = os.path.join(buildpath, prefix + "_OD.c" )

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        master = config_utils.GenerateConciseDCF(locations, current_location, self)

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        res = gen_cfile.GenerateFile(Gen_OD_path, master)

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        if res :

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            raise Exception, res

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        return [(Gen_OD_path,CanFestival_OD_CFLAGS)],""

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class RootClass:

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalInstance">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Driver" type="xsd:string" use="required" />

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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    PlugChildsTypes = [("CanOpenNode",_NodeListPlug)]

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    def PlugGenerate_C(self, buildpath, current_location, locations):

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        """

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        Generate C code

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        @param current_location: Tupple containing plugin IEC location : %I0.0.4.5 => (0,0,4,5)

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        @param locations: List of complete variables locations \

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            [(IEC_loc, IEC_Direction IEC_Type, Name)]\

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            ex: [((0,0,4,5),'I','X','__IX_0_0_4_5'),...]

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        """

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        prefix = "_".join(map(lambda x:str(x), current_location))

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        Gen_OD_path = os.path.join(buildpath, prefix + "_OD.c" )

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        master = config_utils.GenerateConciseDCF(locations, self)

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        res = gen_cfile.GenerateFile(Gen_OD_path, master)

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        if not res:

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             s = str(self.BaseParams.BusId)+"_IN(){}\n"

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             s += "CanOpen(str(\""+self.CanFestivalNode.CAN_Device+"\")"

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             f = file(filepath, 'a')

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             f.write(s)

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        else:

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             pass # error

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        return [],""

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