apd 0.8.0

Tool to access the Analysis production Data

Analysis Production Data

Programmatic interface to the LHCb experiment Analysis Productions database, which allows retrieving information about the samples produced. It queries a REST endpoint provided by the web application, and caches the data locally.

Usage

The apd Python package is available in the lb-conda default environment.

From Python

The Python module allows interacting from analysis scripts, doing e.g.

In [8]: import apd

In [9]: datasets = apd.get_analysis_data("SL", "RDs")

In [10]: datasets(datatype="2012", polarity="magdown")
Out[10]:
['root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000002_1.bsntuple_mc.root',
 'root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000005_1.bsntuple_mc.root',
 'root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000003_1.bsntuple_mc.root',
 'root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000001_1.bsntuple_mc.root',
 'root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000004_1.bsntuple_mc.root']

In [11]:

Command line

$ apd-list-pfns SL RDs --datatype=2011 --datatype=2016 --polarity=magdown
root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000002_1.bsntuple_mc.root'
root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000005_1.bsntuple_mc.root'
root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000003_1.bsntuple_mc.root'
root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000001_1.bsntuple_mc.root'
root://eoslhcb.cern.ch//eos/lhcb/grid/prod/lhcb/MC/2012/BSNTUPLE_MC.ROOT/00110970/0000/00110970_00000004_1.bsntuple_mc.root'

The apd-cache command allows caching the Analysis metadata to a specific location.

Design

Analysis Production information endpoint

This module allows downloading and using Analysis Productions information from the endpoint https://lbap.app.cern.ch/

Details about the endpoint can be found at https://lbap.app.cern.ch/docs#/stable.

Further information

See:

https://lhcb-ap.docs.cern.ch/user_guide/accessing_output.html