LSST Applications
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LSST Data Management Base Package
|
Functions | |
def | searchDataRefs (butler, datasetType, level="", dataId=None) |
def | dataExists (dataRef) |
def lsst.daf.persistence.butlerHelpers.dataExists | ( | dataRef | ) |
Determine if data exists at the current level or any data exists at a deeper level. Parameters ---------- dataRef : `lsst.daf.persistence.ButlerDataRef` Data reference to test for existence. Returns ------- exists : `bool` Return value is `True` if data exists, `False` otherwise.
Definition at line 60 of file butlerHelpers.py.
def lsst.daf.persistence.butlerHelpers.searchDataRefs | ( | butler, | |
datasetType, | |||
level = "" , |
|||
dataId = None |
|||
) |
Find all data references for a partial data ID. Parameters ---------- butler: `lsst.daf.persistence.Butler` The repository to query for data. datasetType : `str` The type of data references to return. level : `str` The level of data ID at which to search. If the empty string, the default level for ``datasetType`` shall be used. dataId : `lsst.daf.persistence.DataRef`, or `dict` from `str` to any Butler identifier naming the data to be retrieved. If ommitted, an unrestricted data ID shall be used. Returns ------- dataRefs : iterable of `lsst.daf.persistence.ButlerDataRef` Complete data references matching ``dataId``. Only references to existing data shall be returned.
Definition at line 29 of file butlerHelpers.py.