python.PropertyProxy.PropertyProxy Class Reference

Inheritance diagram for python.PropertyProxy.PropertyProxy:

Collaboration diagram for python.PropertyProxy.PropertyProxy:

Public Types
typedef HLT::TypeInformation::for_each_type_c< typenameEDMLIST::map, my_functor, my_result<>, my_arg< HLT::TypeInformation::get_cont, CONTAINER > >::type	result

Public Member Functions
	__init__ (self, descr, docString=None, default=None)
	setDefault (self, value)
	getDefault (self)
	fullPropertyName (self, obj)
	__get__ (self, obj, type=None)
	__set__ (self, obj, value)
	__delete__ (self, obj)

Public Attributes
	history = weakref.WeakKeyDictionary()
	descr = descr

Properties
	default = property( getDefault, setDefault )

Private Attributes
	__doc__ = docString
	__default = value

Detailed Description

Definition at line 76 of file PropertyProxy.py.

Member Typedef Documentation

result

typedef HLT::TypeInformation::for_each_type_c<typenameEDMLIST::map,my_functor,my_result<>,my_arg<HLT::TypeInformation::get_cont,CONTAINER>>::type master_search< typenameEDMLIST::map, HLT::TypeInformation::get_cont, CONTAINER >::result

inherited

Definition at line 90 of file EDM_MasterSearch.h.

Constructor & Destructor Documentation

__init__()

python.PropertyProxy.PropertyProxy.__init__	(		self,
			descr,
			docString = None,
			default = None )

Definition at line 77 of file PropertyProxy.py.

   def __init__( self, descr, docString=None, default=None ):
      self.history = weakref.WeakKeyDictionary()
      self.descr   = descr
      if docString:
         self.__doc__ = docString
      if default is not None:
         self.default = default
 

Member Function Documentation

__delete__()

python.PropertyProxy.PropertyProxy.__delete__	(		self,
			obj )

Definition at line 172 of file PropertyProxy.py.

   def __delete__( self, obj ):
      if obj in self.history:
         del self.history[ obj ]
      self.descr.__delete__( obj )
 
 
 

__get__()

python.PropertyProxy.PropertyProxy.__get__	(		self,
			obj,
			type = None )

Definition at line 96 of file PropertyProxy.py.

   def __get__( self, obj, type = None ):
      value = None
      try:
         value = self.descr.__get__( obj, type )
      except AttributeError:
       # special case for list and set: allow default to work with on +=;
       # unfortunately, that means that direct access also succeeds, even
       # as the property wasn't set yet ... (TODO: ideas??)
         if self.__default.__class__ == list or self.__default.__class__ == set:
            self.descr.__set__( obj, self.__default.__class__(self.__default) )
            value = self.descr.__get__( obj, type )     # no history
         else:
            raise
 
      if value is None:
         value = self.descr.__get__( obj, type )
 
    # locked configurables return copies to prevent modifications
      if obj.isLocked():
         import builtins
         if builtins.type( value ) is dict:
            from ctypes import pythonapi, py_object
            from _ctypes import PyObj_FromPtr
            PyDictProxy_New = pythonapi.PyDictProxy_New
            PyDictProxy_New.argtypes = (py_object,)
            PyDictProxy_New.rettype = py_object
            value = PyObj_FromPtr( PyDictProxy_New( value ) )
         elif builtins.type( value ) is list:
            value = tuple( value )      # point being that tuple is read-only
         else:
            import copy
            value = copy.copy( value )
 
      return value
 

__set__()

python.PropertyProxy.PropertyProxy.__set__	(		self,
			obj,
			value )

Definition at line 131 of file PropertyProxy.py.

   def __set__( self, obj, value ):
    # locked configurables can no longer be changed
      if obj.isLocked():
         raise RuntimeError(
            'can not change property "%s" of locked configurable "%s"' %
            (self.descr.__name__, obj.getJobOptName()) )
 
    # check value/property compatibility if possible
      proptype = None
      if hasattr( self, 'default' ):
         proptype = type(self.default)
      elif obj in self.history:
         proptype = type( self.history[ obj ][ 0 ] )
 
    # check if type known; allow special initializer for typed instances
      if proptype and not isinstance(proptype, type(None)):
        # check value itself
          value = _isCompatible( proptype, value, self.fullPropertyName(obj) )
 
        # check elements in case of list
          if proptype == tuple or proptype == list:
             try:
                oldvec = self.descr.__get__( obj, type )
                if oldvec:
                   tpo = type(oldvec[0])
                   for v in value:
                      _isCompatible( tpo, v, self.fullPropertyName(obj) )
             except AttributeError:
              # value not yet set
                pass
 
    # allow a property to be set if we're in non-default mode, or if it
    # simply hasn't been set before
      if not obj._isInSetDefaults() or obj not in self.history:
       # by convention, 'None' for default is used to designate objects setting
         if hasattr( self, 'default' ) and self.default is None:
            obj.__iadd__( value, self.descr )     # to establish hierarchy
         else:
            self.descr.__set__( obj, value )
         self.history.setdefault( obj, [] ).append( value )
 

fullPropertyName()

python.PropertyProxy.PropertyProxy.fullPropertyName	(		self,
			obj )

Definition at line 93 of file PropertyProxy.py.

   def fullPropertyName( self, obj ):
      return (obj.getJobOptName() or obj.getName()) + '.' + self.descr.__name__
 

getDefault()

python.PropertyProxy.PropertyProxy.getDefault

(

self

)

Definition at line 88 of file PropertyProxy.py.

   def getDefault( self ):
      return self.__default
 

setDefault()

python.PropertyProxy.PropertyProxy.setDefault	(		self,
			value )

Definition at line 85 of file PropertyProxy.py.

   def setDefault( self, value ):
      self.__default = value
 

Member Data Documentation

__default

python.PropertyProxy.PropertyProxy.__default = value

private

Definition at line 86 of file PropertyProxy.py.

__doc__

python.PropertyProxy.PropertyProxy.__doc__ = docString

private

Definition at line 81 of file PropertyProxy.py.

descr

python.PropertyProxy.PropertyProxy.descr = descr

Definition at line 79 of file PropertyProxy.py.

history

python.PropertyProxy.PropertyProxy.history = weakref.WeakKeyDictionary()

Definition at line 78 of file PropertyProxy.py.

Property Documentation

default

python.PropertyProxy.PropertyProxy.default = property( getDefault, setDefault )

static

Definition at line 91 of file PropertyProxy.py.

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

• PropertyProxy.py