RecoTau/python/DBSApi_cff.py

0001 def GetDbsInfo(toFind, requirements):
0002     "Interface with the DBS API to get the whatever you want of a requirements. ALWAYS RETURN A LIST OF STRINGS"
0003     from xml.dom.minidom import parseString
0004     from DBSAPI.dbsApi import DbsApi
0005     args = {}
0006     args['url']='http://cmsdbsprod.cern.ch/cms_dbs_prod_global/servlet/DBSServlet'
0007     args['version']='DBS_2_0_9'
0008     args['mode']='POST'
0009     api = DbsApi(args)
0010     data = api.executeQuery("find %s where %s" % (toFind, requirements))
0011     domresults = parseString(data)
0012     dbs = domresults.getElementsByTagName('dbs')
0013     result = dbs[0].getElementsByTagName('results')
0014     rows=result[0].getElementsByTagName('row')
0015     retList = []
0016     for row in rows:
0017         resultXML = row.getElementsByTagName(toFind)[0]
0018         node=(resultXML.childNodes)[0] #childNodes should be a one element array
0019         retList.append(str(node.nodeValue))
0020     return retList
0021
0022 #Matching names to real datasetNames
0023 datasetDict={
0024     #GEN-SIM-RECO tier
0025     'ZTT' : { 'primds' : 'RelValZTT', 'tier' : 'GEN-SIM-RECO',},
0026     'QCD' : { 'primds' : 'RelValQCD_FlatPt_15_3000', 'tier' : 'GEN-SIM-RECO',},
0027     'ZMM' : { 'primds' : 'RelValZMM', 'tier' : 'GEN-SIM-RECO',},
0028     'ZEE' : { 'primds' : 'RelValZEE', 'tier' : 'GEN-SIM-RECO',},
0029     #Data
0030     'RealData'          : { 'primds' : 'Jet', 'tier' : 'RECO', 'dataset' : '*RelVal*'},
0031     'RealMuonsData'     : { 'primds' : 'Mu',  'tier' : 'RECO', 'dataset' : '*RelVal*'},
0032     'RealElectronsData' : { 'primds' : 'Electron', 'tier' : 'RECO', 'dataset' : '*RelVal*'},
0033     #FastSim
0034     'ZTTFastSim' : { 'primds' : 'RelValZTT', 'tier' : 'GEN-SIM-DIGI-RECO','dataset' : '*FastSim*',},
0035     #'FastSimQCD' : { 'primds' : 'RelValQCD_FlatPt_15_3000', 'tier' : 'GEN-SIM-DIGI-RECO','dataset' : '*FastSim*',}, NOT YET IN RELVAL CONTENT
0036     #'FastSimZMM' : { 'primds' : 'RelValZMM', 'tier' : 'GEN-SIM-DIGI-RECO','dataset' : '*FastSim*',},
0037     'ZEEFastSim' : { 'primds' : 'RelValZEE', 'tier' : 'GEN-SIM-DIGI-RECO','dataset' : '*FastSim*',},
0038     }
0039
0040 def FillSource(eventType,source):
0041     import os
0042     requirements = ''
0043     for item in datasetDict[eventType].items():
0044         requirements += item[0]+' = '+item[1]+' and '
0045     requirements += 'release = %s' % os.environ['CMSSW_VERSION']
0046     foundDs = GetDbsInfo('dataset', requirements)
0047     selDs = ''
0048     if len(foundDs) > 1:
0049         print("Multiple datasets found for %s! Which one you would like to use?" % eventType)
0050         for ds in foundDs:
0051             print("%s  :  %s" % (foundDs.index(ds),ds))
0052         cnum = int(raw_input("\nselect Dataset: "))
0053         selDs = foundDs[cnum]
0054     elif len(foundDs) == 0:
0055         print("Sorry! No Dataset found, exiting...")
0056         return None
0057     else:
0058         selDs = foundDs[0]
0059     requirements = 'dataset = %s' % selDs
0060     files = GetDbsInfo('file', requirements)
0061     for entry in files:
0062         source.fileNames.append(entry)
0063
0064 def serialize(root):
0065         xmlstr = ''
0066         for key in root.keys():
0067             if isinstance(root[key], dict):
0068                 xmlstr = '%s<%s>%s</%s>' % (xmlstr, key, serialize(root[key]), key)
0069             elif isinstance(root[key], list):
0070                 xmlstr = '%s<%s>' % (xmlstr, key)
0071                 for item in root[key]:
0072                     xmlstr = '%s%s' % (xmlstr, serialize(item))
0073                 xmlstr = '%s</%s>' % (xmlstr, key)
0074             else:
0075                 value = root[key]
0076                 xmlstr = '%s<%s>%s</%s>' % (xmlstr, key, value, key)
0077         return xmlstr
0078
0079 def DictToXML(root):
0080     from xml.dom.minidom import parseString
0081     outdom = parseString(serialize(root)) #closure test to check incopatibilities, and better printing
0082     return outdom.toprettyxml()
0083
0084 def loadXML(xml,eventType,source):
0085     from xml.dom.minidom import parse
0086     wrappedCont = parse(xml)
0087     content = wrappedCont.getElementsByTagName('dataFiles')[0]
0088     byType  = content.getElementsByTagName(eventType)
0089     if len(byType) == 0:
0090         return None
0091     fnames  = byType[0].getElementsByTagName('file')
0092     for fname in fnames:
0093         node = (fname.childNodes)[0] #childNodes should be a one element array
0094         source.fileNames.append(str(node.nodeValue).replace('\n','').replace('\t',''))