PoolXMLCatalog

POOL XML Catalog Class This class handles simple XML-based File Catalog following the POOL project schema. It presents a DIRAC generic File Catalog interface although not complete and with several extensions

class DIRAC.Resources.Catalog.PoolXMLCatalog.PoolFile(dom=None)

Bases: object

A Pool XML File Catalog entry

@author A.Tsaregorodtsev

__init__(dom=None)

addLfn(lfn): Adds one LFN

addPfn(pfn, pfntype=None, se=None): Adds one PFN

dump(): Dumps the contents to the standard output

getLfns(): Retrieves all the LFNs

getPfns(): Retrieves all the PFNs

toXML(metadata): Output the contents as an XML string

class DIRAC.Resources.Catalog.PoolXMLCatalog.PoolXMLCatalog(xmlfile='')

Bases: object

A Pool XML File Catalog

__init__(xmlfile='')

PoolXMLCatalog constructor.

Constructor takes one of the following argument types: xml string; list of xml strings; file name; list of file names

addFile(fileTuple): Add one or more files to the catalog

addLfnByGuid(guid, lfn, pfn, se, pfntype): Add LFN for a given GUID - not standard

addPfnByGuid(lfn, guid, pfn, pfntype=None, se=None): Add PFN for a given GUID - not standard

addReplica(replicaTuple)

This adds a replica to the catalogue The tuple to be supplied is of the following form:

(lfn,pfn,se,master)

where master = True or False

analyseCatalog(dom)

Create the catalog from a DOM object

Creates the contents of the catalog from the DOM XML object

dump()

Dump catalog

Dumps the contents of the catalog to the std output

exists(lfn): Check for the given LFN existence

flush()

Flush the contents of the catalog to a file

Flushes the contents of the catalog to a file from which the catalog was instanciated or which was set explicitely with setBackend() method

getFileByGuid(guid): Get PoolFile object by GUID

getGuidByLfn(lfn): Get GUID for a given LFN

getGuidByPfn(pfn): Get GUID for a given PFN

getLfnsByGuid(guid): Get LFN for a given GUID

getLfnsList(): Get list of LFNs in catalogue.

getName(): Get the catalog type name

getPfnsByGuid(guid): Get replicas for a given GUID

getPfnsByLfn(lfn): Get replicas for a given LFN

getTypeByPfn(pfn): Get Type for a given PFN

removeFileByGuid(guid): Remove file for a given GUID

removeFileByLfn(lfn): Remove file for a given LFN

setBackend(fname)

Set the backend file name

Sets the name of the file which will receive the contents of the catalog when the flush() method will be called

toXML(metadata=False): Convert the contents into an XML string