GaudiPython.Bindings.iProperty Class Reference

Inheritance diagram for GaudiPython.Bindings.iProperty:

Collaboration diagram for GaudiPython.Bindings.iProperty:

Public Member Functions
def	__init__
def	getInterface (self)
def	retrieveInterface (self)
def	__call_interface_method__ (self, ifname, method, args)
def	__setattr__ (self, name, value)
def	__getattr__ (self, name)
def	properties (self)
def	name (self)

Detailed Description

Python equivalent to the C++ Property interface 

Definition at line 177 of file Bindings.py.

Constructor & Destructor Documentation

def GaudiPython.Bindings.iProperty.__init__	(		self,
			name,
			ip = None
	)

Definition at line 179 of file Bindings.py.

    def __init__(self, name, ip = None) :
        if ip : self.__dict__['_ip'] = InterfaceCast(gbl.IProperty)(ip)
        else  : self.__dict__['_ip'] = None
        self.__dict__['_svcloc'] = gbl.Gaudi.svcLocator()
        optsvc = Helper.service(self._svcloc,'JobOptionsSvc')
        if optsvc : self.__dict__['_optsvc'] = InterfaceCast(gbl.IJobOptionsSvc)(optsvc)
        else      : self.__dict__['_optsvc'] = None
        self.__dict__['_name'] = name

Member Function Documentation

def GaudiPython.Bindings.iProperty.__call_interface_method__	(		self,
			ifname,
			method,
			args
	)

Definition at line 192 of file Bindings.py.

    def __call_interface_method__(self,ifname,method,*args):
        if not getattr(self,ifname) : self.retrieveInterface()
        return getattr(getattr(self,ifname),method)(*args)

def GaudiPython.Bindings.iProperty.__getattr__	(		self,
			name
	)

The method which returns the value for the given property
- In the case of the valid instance it returns the valid property value through IProperty interface
- In the case of placeholder the property value is retrieved from JobOptionsCatalogue

Definition at line 239 of file Bindings.py.

    def __getattr__(self, name ):
        """
        The method which returns the value for the given property
        - In the case of the valid instance it returns the valid property value through IProperty interface
        - In the case of placeholder the property value is retrieved from JobOptionsCatalogue
        """
        ip = self.getInterface()
        if ip :
            if not gbl.Gaudi.Utils.hasProperty ( ip , name ) :
                raise AttributeError, 'property %s does not exist' % name
            prop = ip.getProperty(name)
            if   StringProperty    == type( prop )   : return prop.value()
            elif StringPropertyRef == type( prop )   : return prop.value()
            try:     return eval( prop.toString(), {}, {} )
            except : return prop.value()
        else :
            props = self._optsvc.getProperties(self._name)
            for p in props :
                if not p.name() == name : continue
                # from JobOptionsSvc we always have only strings
                try:    return eval( p.value(), {}, {} )
                except: return p.value()
            raise AttributeError, 'property %s does not exist' % name

def GaudiPython.Bindings.iProperty.__setattr__	(		self,
			name,
			value
	)

The method which is used for setting the property from the given value.
- In the case of the valid instance it sets the property through IProperty interface
- In the case of placeholder the property is added to JobOptionsCatalogue

Definition at line 195 of file Bindings.py.

    def __setattr__(self, name, value):
        """
        The method which is used for setting the property from the given value.
        - In the case of the valid instance it sets the property through IProperty interface
        - In the case of placeholder the property is added to JobOptionsCatalogue
        """
        if hasattr( value, 'toStringProperty' ):
            # user defined behaviour
            value = '%s' % value.toStringProperty()
        ip = self.getInterface()
        if ip :
            if not gbl.Gaudi.Utils.hasProperty ( ip , name ) :
                raise AttributeError, 'property %s does not exist' % name
            prop = ip.getProperty(name)

            if ROOT6WorkAroundEnabled('ROOT-7201'):
                canSetValue = (hasattr(prop, 'value') and
                               'const&[' not in prop.value.func_doc and
                               type(value) == type(prop.value()))
            else:
                canSetValue = (hasattr(prop, 'value') and
                               type(value) == type(prop.value()))

            if canSetValue:
                if not prop.setValue(value) :
                    raise AttributeError, 'property %s could not be set from %s' % (name, value)
            else:
                if   tuple     == type( value  )     : value = str(value)
                elif hasattr ( value , 'toString' )  : value = value.toString()
                elif not long  == type( value )      : value = '%s' % value
                else                                 : value = '%d' % value
                if ROOT6WorkAroundEnabled('ROOT-6028'):
                    sc = cppyy.gbl.GaudiPython.Helper.setPropertyFromString(prop, value)
                else:
                    sc = prop.fromString(value)
                if sc.isFailure() :
                    raise AttributeError, 'property %s could not be set from %s' % (name,value)
        else :
            if   type(value) == str            : value = '"%s"' % value # need double quotes
            elif type(value) == tuple          : value = str(value)
            elif hasattr( value , 'toString' ) : value = value.toString()
            elif type(value) == long: value = '%d'   % value # prevent pending 'L'
            sp = StringProperty( name , str(value))
            self._optsvc.addPropertyToCatalogue( self._name , sp )

def GaudiPython.Bindings.iProperty.getInterface

(

self

)

Definition at line 187 of file Bindings.py.

    def getInterface(self) :
        if not self._ip : self.retrieveInterface()
        return self._ip

def GaudiPython.Bindings.iProperty.name

(

self

)

Definition at line 280 of file Bindings.py.

    def name(self) :
        return self._name

#----iService class---------------------------------------------------------------------

def GaudiPython.Bindings.iProperty.properties

(

self

)

Definition at line 262 of file Bindings.py.

    def properties(self):
        dct = {}
        props = None
        ip = self.getInterface()
        if ip :
            props = ip.getProperties()
            propsFrom = self._name # "interface"
        else:
            props = self._optsvc.getProperties( self._name )
            propsFrom = "jobOptionsSvc"
        if props:
            for p in props :
                try:
                    dct[p.name()] = PropertyEntry(p)
                except (ValueError,TypeError),e:
                    raise ValueError, "gaudimodule.iProperty.properties(): %s%s processing property %s.%s = %s" % \
                          (e.__class__.__name__, e.args, propsFrom, p.name(), p.value())
        return dct

def GaudiPython.Bindings.iProperty.retrieveInterface

(

self

)

Definition at line 190 of file Bindings.py.

    def retrieveInterface(self) :
        pass

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The documentation for this class was generated from the following file:

• GaudiPython/python/GaudiPython/Bindings.py