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In This Package:

PropertyProxy::GaudiHandlePropertyProxyBase Class Reference

Inheritance diagram for PropertyProxy::GaudiHandlePropertyProxyBase:
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Collaboration diagram for PropertyProxy::GaudiHandlePropertyProxyBase:
[legend]
List of all members.

Public Member Functions

def __init__
def __get__
def __set__
def isHandle
def isConfig
def getDefaultConfigurable
def convertDefaultToBeSet
def convertValueToBeSet
def __init__
def setDefault
def getDefault
def fullPropertyName
def __delete__

Public Attributes

 default
 history
 descr

Static Public Attributes

tuple default = property( getDefault, setDefault )

Detailed Description

A class with some utilities for GaudiHandles and GaudiHandleArrays

Definition at line 151 of file PropertyProxy.py.


Member Function Documentation

def PropertyProxy::GaudiHandlePropertyProxyBase::__init__ (   self,
  descr,
  docString,
  default,
  handleType,
  allowedType 
)

<descr>: the real property in the object instance (from __slots__)
<docString>: the documentation string of this property
<default>: default value from C++ (via python generated by genconf)
<handleType>: real python handle type (e.g. PublicToolHandle, PrivateToolHandle, ...)
<allowedType>: allowed instance type for default

Definition at line 154 of file PropertyProxy.py.

00154                                                                           :
00155       """<descr>: the real property in the object instance (from __slots__)
00156       <docString>: the documentation string of this property
00157       <default>: default value from C++ (via python generated by genconf)
00158       <handleType>: real python handle type (e.g. PublicToolHandle, PrivateToolHandle, ...)
00159       <allowedType>: allowed instance type for default
00160       """
00161       # check that default is of allowed type for this proxy
00162       if not isinstance(default,allowedType):
00163          raise TypeError( "%s: %s default: %r is not a %s" % \
00164                           ( descr.__name__, self.__class__.__name__, default, allowedType.__name__ ) )
00165       PropertyProxy.__init__( self, descr, docString, default )
00166       self._handleType = handleType
00167       self._confTypeName = 'Configurable' + handleType.componentType
00168 #      print "%s: %r (%s)" % (self.__class__.__name__,self._handleType,self._confTypeName)
00169 
00170 
   def __get__( self, obj, type = None ):

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

Reimplemented from PropertyProxy::PropertyProxy.

Definition at line 171 of file PropertyProxy.py.

00171                                         :
00172       try:
00173          return self.descr.__get__( obj, type )
00174       except AttributeError:
00175          # Get default
00176          try:
00177             default = obj.__class__.getDefaultProperty( self.descr.__name__ )
00178             default = self.convertDefaultToBeSet( obj, default )
00179             self.__set__( obj, default )
00180          except AttributeError,e:
00181             # change type of exception to avoid false error message
00182             raise RuntimeError(*e.args)
00183 
00184       return self.descr.__get__( obj, type )
00185 
00186 
   def __set__( self, obj, value ):

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

Reimplemented from PropertyProxy::PropertyProxy.

Definition at line 187 of file PropertyProxy.py.

00187                                   :
00188     # allow a property to be set if we're in non-default mode, or if it
00189     # simply hasn't been set before
00190       if not obj._isInSetDefaults() or not obj in self.history:
00191          value = self.convertValueToBeSet( obj, value )
00192          # assign the value
00193          self.descr.__set__( obj, value )
00194          log.debug( "Setting %s = %r", self.fullPropertyName( obj ), value )
00195          self.history.setdefault( obj, [] ).append( value )
00196 
00197 
00198 
   def isHandle(self,value):

def PropertyProxy::GaudiHandlePropertyProxyBase::isHandle (   self,
  value 
)

Check if <value> is a handle of the correct type

Definition at line 199 of file PropertyProxy.py.

00199                            :
00200       """Check if <value> is a handle of the correct type"""
00201       return isinstance(value,self._handleType)
00202 
00203 
   def isConfig(self,value):

def PropertyProxy::GaudiHandlePropertyProxyBase::isConfig (   self,
  value 
)

Check if <value> is a configurable of the correct type

Definition at line 204 of file PropertyProxy.py.

00204                            :
00205       """Check if <value> is a configurable of the correct type"""
00206       return derives_from(value,self._confTypeName)
00207 
00208 
   def getDefaultConfigurable(self,typeAndName,requester):

def PropertyProxy::GaudiHandlePropertyProxyBase::getDefaultConfigurable (   self,
  typeAndName,
  requester 
)

Return the configurable instance corresponding to the toolhandle if possible.
Otherwise return None

Definition at line 209 of file PropertyProxy.py.

00209                                                          :
00210       """Return the configurable instance corresponding to the toolhandle if possible.
00211       Otherwise return None"""
00212       global log
00213       # find the module
00214       typeAndNameTuple = typeAndName.split('/')
00215       confType = typeAndNameTuple[0]
00216       confClass=ConfigurableDb.getConfigurable(confType)
00217       # check the type of the configurable
00218       if not derives_from(confClass,self._confTypeName):
00219          log.error( "%s: Configurable %s is not a %s",
00220                     requester, confType, self._confTypeName )
00221          return None
00222       try:
00223          confName = typeAndNameTuple[1]
00224       except IndexError:
00225          return confClass() # use default name
00226       else:
00227          return confClass(confName)
00228 
00229 
   def convertDefaultToBeSet( self, obj, default ):

def PropertyProxy::GaudiHandlePropertyProxyBase::convertDefaultToBeSet (   self,
  obj,
  default 
)

Reimplemented in PropertyProxy::GaudiHandleArrayPropertyProxy.

Definition at line 230 of file PropertyProxy.py.

00230                                                   :
00231       # turn string into handle
00232       isString = type(default) == str
00233       if not isString and self.isConfig(default):
00234 #         print self.fullPropertyName(obj) + ": Setting default configurable: %r" % default
00235          return default
00236       elif isString or self.isHandle(default):
00237          if isString:
00238             # convert string into handle
00239             typeAndName = default
00240             default = self._handleType( typeAndName )
00241          else:
00242             typeAndName = default.typeAndName
00243          if not self._handleType.isPublic:
00244             # Find corresponding default configurable of private handles
00245             try:
00246                conf = self.getDefaultConfigurable(typeAndName, self.fullPropertyName(obj))
00247 #               print self.fullPropertyName(obj) + ": Setting default private configurable (from default handle): %r" % conf 
00248             except AttributeError,e:
00249                # change type of exception to avoid false error message
00250                raise RuntimeError(*e.args)
00251             if conf is None:
00252                raise RuntimeError( "%s: Default configurable for class %s not found in ConfigurableDb.CfgDb" % \
00253                                    (self.fullPropertyName(obj),default.getType() ) )
00254             return conf
00255       else: # not a config, not a handle, not a string
00256          raise TypeError( "%s: default value %r is not of type %s or %s" % \
00257                           (self.fullPropertyName(obj),default,self._confTypeName,self._handleType.__name__) )
00258 
00259       return default
00260 
   def convertValueToBeSet( self, obj, value ):

def PropertyProxy::GaudiHandlePropertyProxyBase::convertValueToBeSet (   self,
  obj,
  value 
)

Reimplemented in PropertyProxy::GaudiHandleArrayPropertyProxy.

Definition at line 261 of file PropertyProxy.py.

00261                                               :
00262       if value is None: value = ''
00263       isString = type(value) == str
00264       if isString:
00265        # create an new handle
00266          return self._handleType(value)
00267       elif self.isHandle(value):
00268        # make a copy of the handle
00269          return self._handleType(value.toStringProperty())
00270       elif self.isConfig(value):
00271          if self._handleType.isPublic:
00272           # A public tool must be registered to ToolSvc before assigning it
00273             if derives_from(value,'ConfigurableAlgTool'):
00274                if not value.isInToolSvc():
00275                   suggestion = 'You may need to add jobOptions lines something like:' + os.linesep + \
00276                                'from AthenaCommon.AppMgr import ToolSvc' + os.linesep + \
00277                                'ToolSvc += '
00278                   if value.getName() == value.getType(): # using default name
00279                      suggestion += '%s()' % value.__class__.__name__
00280                   else: # using user-defined name
00281                      suggestion += '%s(%r)' % (value.__class__.__name__,value.getName())
00282                   raise RuntimeError( self.fullPropertyName(obj) +
00283                                       ': Public tool %s is not yet in ToolSvc. %s' %
00284                                       (value.getJobOptName(),suggestion) )
00285           # make it read-only
00286             return self._handleType(value.toStringProperty())
00287          elif value.hasParent( obj.getJobOptName() ):
00288           # is already a child, keep as-is
00289             return value
00290          else:
00291           # make a copy of the configurable
00292             value = obj.copyChildAndSetParent( value, obj.getJobOptName() )
00293             # ensure that the new object is in allConfigurables
00294             obj.allConfigurables[value.name()] = value
00295             return value
00296       else:
00297          raise TypeError( "Property %s value %r is not a %s nor a %s nor a string" % \
00298                           (self.fullPropertyName(obj),value,self._confTypeName,self._handleType.__name__) )
00299 
00300       return value
00301 
00302 
class GaudiHandlePropertyProxy(GaudiHandlePropertyProxyBase):

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

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 
) [inherited]

Definition at line 71 of file PropertyProxy.py.

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

def PropertyProxy::PropertyProxy::getDefault (   self  )  [inherited]

Definition at line 74 of file PropertyProxy.py.

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

def PropertyProxy::PropertyProxy::fullPropertyName (   self,
  obj 
) [inherited]

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::__delete__ (   self,
  obj 
) [inherited]

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):


Member Data Documentation

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

Definition at line 77 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::default [inherited]

Definition at line 68 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::history [inherited]

Definition at line 63 of file PropertyProxy.py.

PropertyProxy::PropertyProxy::descr [inherited]

Definition at line 64 of file PropertyProxy.py.


The documentation for this class was generated from the following file:
| Classes | Job Modules | Data Objects | Services | Algorithms | Tools | Packages | Directories | Tracs |

Generated on Mon Apr 11 19:57:20 2011 for GaudiKernel by doxygen 1.4.7