GaudiPython::Persistency::RootPersistency Class Reference

Inheritance diagram for GaudiPython::Persistency::RootPersistency:

Collaboration diagram for GaudiPython::Persistency::RootPersistency:

List of all members.

Public Member Functions
def	__init__
def	configure
def	formatInput
def	formatOutput
Public Attributes
	configured

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Detailed Description

Implementation of PersistencyHelper based on Gaudi::RootCnvSvc.

Definition at line 91 of file Persistency.py.

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Constructor & Destructor Documentation

def GaudiPython::Persistency::RootPersistency::__init__

(

self )

Constructor.

Declare the type of supported persistencies to the base class.

Definition at line 95 of file Persistency.py.

                      :
        """
        Constructor.

        Declare the type of supported persistencies to the base class.
        """
        super(RootPersistency, self).__init__(["ROOT", "POOL_ROOT",
                                               "RootCnvSvc", "Gaudi::RootCnvSvc"])
        self.configured = False

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Member Function Documentation

def GaudiPython::Persistency::RootPersistency::configure	(		self,
			appMgr
	)

Basic configuration.

Definition at line 105 of file Persistency.py.

                               :
        """
        Basic configuration.
        """
        if not self.configured:
            # instantiate the required services
            appMgr.service('Gaudi::RootCnvSvc/RootCnvSvc')
            eps = appMgr.service ( 'EventPersistencySvc' )
            eps.CnvServices += ['RootCnvSvc']
            self.configured = True

def GaudiPython::Persistency::RootPersistency::formatInput	(		self,
			filenames,
			kwargs
	)

Translate a list of file names in a list of input descriptions.

The optional parameters 'collection', 'sel' and 'fun' should be used to
configure Event Tag Collection inputs.

@param filenames: the list of files

Definition at line 116 of file Persistency.py.

                                              :
        '''
        Translate a list of file names in a list of input descriptions.

        The optional parameters 'collection', 'sel' and 'fun' should be used to
        configure Event Tag Collection inputs.

        @param filenames: the list of files
        '''
        if not self.configured:
            raise PersistencyError("Persistency not configured")
        if type(filenames) is str:
            filenames = [filenames]
        fileargs = {}
        # check if we are accessing a collection
        fileargs = dict([(k, kwargs[k])
                         for k in ["collection", "sel", "fun"]
                         if k in kwargs])
        if fileargs:
            # is a collection
            svc = 'Gaudi::RootCnvSvc'
        else:
            svc = 'Gaudi::RootEvtSelector'
        return map(str,
                   [FileDescription(f, 'READ', svc, **fileargs)
                    for f in filenames])

def GaudiPython::Persistency::RootPersistency::formatOutput	(		self,
			filename,
			kwargs
	)

Translate a filename in an output description.

@param filenames: the list of files
@param lun: Logical Unit for Event Tag Collection outputs (optional)

Definition at line 143 of file Persistency.py.

                                              :
        '''
        Translate a filename in an output description.

        @param filenames: the list of files
        @param lun: Logical Unit for Event Tag Collection outputs (optional)
        '''
        if not self.configured:
            raise PersistencyError("Persistency not configured")
        retval = str(FileDescription(filename, 'RECREATE', 'Gaudi::RootCnvSvc'))
        if 'lun' in kwargs:
            retval = "%s %s" % (kwargs['lun'], retval)
        return retval

# Adding the know instances to the list of helpers
add(RootPersistency())

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Member Data Documentation

GaudiPython::Persistency::RootPersistency::configured

Definition at line 99 of file Persistency.py.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r2/GaudiPython/python/GaudiPython/Persistency.py