PropertyProxy::PropertyProxy Class Reference

Inheritance diagram for PropertyProxy::PropertyProxy:

[legend]

List of all members.

Public Member Functions
def	__init__
def	setDefault
def	getDefault
def	fullPropertyName
def	__get__
def	__set__
def	__delete__
Public Attributes
	history
	descr
	default
Static Public Attributes
tuple	default = property( getDefault, setDefault )
Private Attributes
	__doc__
	__default

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Detailed Description

Definition at line 61 of file PropertyProxy.py.

---

Member Function Documentation

def PropertyProxy::PropertyProxy::__init__	(		self,
			descr,
			docString = None,
			default = None
	)

Reimplemented in PropertyProxy::GaudiHandlePropertyProxy, and PropertyProxy::GaudiHandleArrayPropertyProxy.

Definition at line 62 of file PropertyProxy.py.

00062                                                              :
00063         self.history = {}
00064         self.descr   = descr
00065         if docString:
00066             self.__doc__ = docString
00067         if default is not None:
00068             self.default = default
00069 
00070 
    def setDefault( self, value ):

def PropertyProxy::PropertyProxy::setDefault	(		self,
			value
	)

Definition at line 71 of file PropertyProxy.py.

00071                                  :
00072         self.__default = value
00073 
    def getDefault( self ):

def PropertyProxy::PropertyProxy::getDefault

(

self

)

Definition at line 74 of file PropertyProxy.py.

00074                           :
00075         return self.__default
00076 
    default = property( getDefault, setDefault )

def PropertyProxy::PropertyProxy::fullPropertyName	(		self,
			obj
	)

Definition at line 79 of file PropertyProxy.py.

00079                                      :
00080         return (obj.getJobOptName() or obj.getName()) + '.' + self.descr.__name__
00081 
    def __get__( self, obj, type = None ):

def PropertyProxy::PropertyProxy::__get__	(		self,
			obj,
			type = None
	)

Reimplemented in PropertyProxy::GaudiHandlePropertyProxyBase.

Definition at line 82 of file PropertyProxy.py.

00082                                          :
00083         try:
00084             return self.descr.__get__( obj, type )
00085         except AttributeError:
00086             # special case for lists and dictionaries:
00087             # allow default to work with on += and []
00088             if self.__default.__class__ in [ list, dict ]:
00089                 self.descr.__set__( obj, self.__default.__class__(self.__default) )
00090                 return self.descr.__get__( obj, type )
00091             else:
00092                 # for non lists (or dicts) return a reference to the default
00093                 #return self.__default
00094                 raise
00095 
    def __set__( self, obj, value ):

def PropertyProxy::PropertyProxy::__set__	(		self,
			obj,
			value
	)

Reimplemented in PropertyProxy::GaudiHandlePropertyProxyBase.

Definition at line 96 of file PropertyProxy.py.

00096                                    :
00097      # check value/property compatibility if possible
00098         proptype, allowcompat = None, False
00099         if hasattr( self, 'default' ):
00100             proptype = type(self.default)
00101             if self.descr.__name__ == 'OutputLevel':      # old-style compat for Btag
00102                 allowcompat = True
00103         elif obj in self.history:
00104             proptype = type( self.history[ obj ][ 0 ] )
00105             allowcompat = True
00106 
00107      # check if type known; allow special initializer for typed instances
00108         # Do not perform the check for PropertyReference, should be delayed until
00109         # binding (if ever done)
00110         if proptype and proptype != type(None) and \
00111                         not derives_from(value, 'PropertyReference'):
00112             try:
00113              # check value itself
00114                 value = _isCompatible( proptype, value )
00115 
00116              # check element in case of list
00117                 if proptype == list:
00118                     try:
00119                         oldvec = self.descr.__get__( obj, type )
00120                         if oldvec:
00121                             tpo = type(oldvec[0])
00122                             for v in value:
00123                                 _isCompatible( tpo, v )
00124                     except AttributeError:
00125                      # value not yet set
00126                         pass
00127             except ValueError, e:
00128                 if allowcompat:
00129                     log.error( 'inconsistent value types for %s.%s (%s)' %\
00130                                (obj.getName(),self.descr.__name__,str(e)) )
00131                 else:
00132                     raise
00133 
00134      # allow a property to be set if we're in non-default mode, or if it
00135      # simply hasn't been set before
00136         if not obj._isInSetDefaults() or not obj in self.history:
00137         # by convention, 'None' for default is used to designate objects setting
00138             if hasattr( self, 'default' ) and self.default == None:
00139                 obj.__iadd__( value, self.descr )     # to establish hierarchy
00140             else:
00141                 self.descr.__set__( obj, value )
00142             self.history.setdefault( obj, [] ).append( value )
00143 
    def __delete__( self, obj ):

def PropertyProxy::PropertyProxy::__delete__	(		self,
			obj
	)

Definition at line 144 of file PropertyProxy.py.

00144                                :
00145         if obj in self.history:
00146             del self.history[ obj ]
00147         self.descr.__delete__( obj )
00148 
00149 
00150 
class GaudiHandlePropertyProxyBase(PropertyProxy):

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Member Data Documentation

tuple PropertyProxy::PropertyProxy::default = property( getDefault, setDefault ) [static]

Definition at line 77 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::history

Definition at line 63 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::descr

Definition at line 64 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::__doc__ [private]

Definition at line 66 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::default

Definition at line 68 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::__default [private]

Definition at line 72 of file PropertyProxy.py.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r9/GaudiKernel/python/GaudiKernel/PropertyProxy.py