PropertyProxy::PropertyProxy Class Reference

Inheritance diagram for PropertyProxy::PropertyProxy:

Detailed Description

Definition at line 61 of file PropertyProxy.py.


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

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):