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#!/usr/bin/env python2
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import sys, os, string, re
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import urllib, urllister
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import urllib2
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import common
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from RefDBInfo import RefDBInfo
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from PubDBInfo import *
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# ####################################
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class PubDBError:
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def __init__(self, url):
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print '\nERROR accessing PubDB at '+url+'\n'
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pass
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# ####################################
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class PubDBGetAnalysisError:
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def __init__(self, url,Collections):
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print '\nERROR extracting info for collections '+Collections+' from PubDB '+url+'.\n'
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pass
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# ####################################
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class RefDBmapError:
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def __init__(self, url):
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print '\nERROR accessing RefDB-PubDBs map at '+url+'\n'
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pass
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# ####################################
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class NoPHPError:
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def __init__(self, url):
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#print '\nERROR accessing PHP at '+url+' \n'
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print 'ERROR accessing PHP: ',url,' \n'
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pass
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# ####################################
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class pubDBResult:
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def __init__(self,
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contents):
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self.contents=contents
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def dump(self):
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print 'Contents : ',self.contents
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pass
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# ####################################
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# class to access PubDBs
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class PubDB:
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def __init__(self, owner, dataset, dataTiers, cfg_params):
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# Attributes
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self.owner = owner
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self.dataset = dataset
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self.dataTiers = dataTiers
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self.NeededdataTiers=[]
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self.cfg_params = cfg_params
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self.RefDBurl_ = 'http://cmsdoc.cern.ch/cms/production/www/'
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self.RefDBphp_ = 'PubDB/GetIdCollection.php'
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self.RefDBMotherphp_ = 'cgi/SQL/CollectionTree.php'
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self.PubDBCentralUrl_ = 'http://cmsdoc.cern.ch/cms/production/www/PubDB/'
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self.PubDBCentralPhp_ = 'GetPublishedCollectionInfoFromRefDB.php'
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self.PubDBAnalysisPhp_ = 'get-pubdb-analysisinfo.php'
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self.PubDBAnalysisPhpOld_ = 'get-pubdb-analysisinfo.php'
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## link to the modified RefDB-PubDBs map script that allow the display option
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self.RefDBPubDBsmapPhp_ = 'GetPublishedCollectionInfoFromRefDB.mod.php?display=1'
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# Costructor procedures
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CEBlackList = []
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try:
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tmpBad = string.split(self.cfg_params['EDG.ce_black_list'],',')
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#tmpBad = ['fnal']
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for tmp in tmpBad:
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tmp=string.strip(tmp)
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if (tmp == 'cnaf'): tmp = 'webserver' ########## warning: temp. patch
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CEBlackList.append(tmp)
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except KeyError:
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pass
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common.logger.debug(5,'CEBlackList: '+str(CEBlackList))
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self.reCEBlackList=[]
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for bad in CEBlackList:
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self.reCEBlackList.append(re.compile( bad ))
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#print 'ReBad: ',self.reCEBlackList
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########################################################################
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def findAllCollections(self):
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"""
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Contact RefDB and find the CollID of all the user required collections
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"""
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## download from RefDB all the info about the given dataset-owner
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refdb=RefDBInfo(self.owner,self.dataset)
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#print refdb.GetRefDBInfo()
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try:
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collInfos=refdb.GetRefDBInfo()
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except :
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sys.exit(10)
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#print "collInfos=", collInfos
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first=1
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NeededCollID=[]
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refdbdataTiers=[]
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for coll in collInfos:
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## select the primary collection
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if first:
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NeededCollID.append(coll[0])
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self.NeededdataTiers.append(coll[2])
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refdbdataTiers.append(coll[2])
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common.logger.message("\n --> primary collection for owner "+self.owner+" is: ID="+coll[0]+" DataTier="+coll[2])
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first=0
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else:
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## select only the parents collections corresponding to data-tiers requested by the user
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if self.dataTiers.count(coll[2]):
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NeededCollID.append(coll[0])
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self.NeededdataTiers.append(coll[2])
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common.logger.message(" --> further collection required: ID="+coll[0]+" DataTier="+coll[2])
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refdbdataTiers.append(coll[2])
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## check that the user asks for Data Tier really existing in RefDB, otherwise give a warning message
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for dt in self.dataTiers:
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if refdbdataTiers.count(dt)<=0:
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msg = "ERROR: Data Tier ( =>",dt,"<= ) not existing for dataset/owner "+self.dataset+"/"+self.owner+"! "
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msg = str(msg) + 'Owner Dataset not published with asked dataTiers! '+\
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self.owner+' '+ self.dataset+' '+self.dataTiers
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msg = str(msg) + ' Check the data_tier variable in crab.cfg !\n'
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common.logger.message(msg)
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return []
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#print 'Needed Collections are ', NeededCollID
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#return collInfos
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#print "NeededCollID= ", NeededCollID
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return NeededCollID
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########################################################################
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def findPubDBsbyCollID(self,CollID):
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"""
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Find the list of PubDB URLs having a given Collection
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"""
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### contact the RefDB-PubDBs map to discovery where the given CollID is
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url = self.PubDBCentralUrl_+self.RefDBPubDBsmapPhp_+'&CollID=' + CollID
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# print "%s"%(url)
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try:
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f = urllib.urlopen(url)
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except IOError:
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# print 'Cannot access URL: '+url
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raise RefDBmapError(url)
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### search for the PubDBURL string
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reURLLine=re.compile( r'PubDBURL=(\S*)' )
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PubDBURLs = []
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for line in f.readlines():
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#print '#',line,'#'
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if reURLLine.search(line) :
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URLLine=reURLLine.search(line).group()
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#print string.split(URLLine,'=')[1]
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PubDBURLs.append(string.split(URLLine,'=')[1])
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### return the list of PubDBURL where the collection is present
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#return PubDBURLs
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return self.uniquelist(PubDBURLs)
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################################################################
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def findPubDBs(self,CollIDs):
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"""
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Find the list of PubDB URLs having ALL the required collections
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"""
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### loop over all the required collections
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#pubdbmap={}
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allurls=[]
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countColl=0
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for CollID in CollIDs :
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countColl=countColl+1
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### map the CollectionID with the list of PubDB URLs
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#pubdbmap[CollID]=self.findPubDBsbyCollID(CollID)
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### prepare a list all PubDB urls for all collections
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allurls.extend(self.findPubDBsbyCollID(CollID))
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#print pubdbmap.values()
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### select only PubDB urls that contains all the collections
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unique_urls=self.uniquelist(allurls)
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SelectedPubDBURLs=[]
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# loop on a unique list of PubDB urls
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for url in unique_urls :
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# check that PubDBurl occurrance is the same as the number of collections
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if ( allurls.count(url)==countColl ) :
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SelectedPubDBURLs.append(url)
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#print 'Required Collections',CollIDs,'are all present in PubDBURLs : ',SelectedPubDBURLs,'\n'
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#### check based on CE black list: select only PubDB not in the CE black list
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GoodPubDBURLs=self.checkBlackList(SelectedPubDBURLs)
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return GoodPubDBURLs
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#######################################################################
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def uniquelist(self, old):
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"""
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remove duplicates from a list
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"""
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nd={}
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for e in old:
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nd[e]=0
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return nd.keys()
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#######################################################################
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def checkBlackList(self, pubDBUrls):
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"""
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select PubDB URLs that are at site not exluded by the user (via CE black list)
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"""
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goodurls = []
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for url in pubDBUrls:
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common.logger.debug(10,'connecting to the URL '+url)
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good=1
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for re in self.reCEBlackList:
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if re.search(url):
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common.logger.message('CE in black list, skipping PubDB URL '+url)
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good=0
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pass
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if good: goodurls.append(url)
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if len(goodurls) == 0:
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common.logger.debug(3,"No selected PubDB URLs")
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return goodurls
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########################################################################
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def checkPubDBNewVersion(self, baseurl):
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"""
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Check PubDB version to find out if it's new-style or old-style
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"""
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### check based on the existance of pubdb-get-version.php
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urlversion=baseurl+'pubdb-get-version.php'
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newversion=1;
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try:
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v = urllib2.urlopen(urlversion)
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except urllib2.URLError, msg:
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#print "WARNING: no URL to get PubDB version "
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newversion=0;
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if (newversion) :
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schemaversion = v.read()
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#print schemaversion;
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return newversion
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########################################################################
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def getPubDBData(self, CollIDs, url , newversion):
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"""
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Contact a PubDB to collect all the relevant information
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"""
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result = []
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### get the base PubDb url
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end=string.rfind(url,'/')
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lastEq=string.rfind(url,'=')
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if (newversion) :
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### from PubDB V4 : get info for all the collections in one shot and unserialize the content
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Collections=string.join(CollIDs,'-')
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## add the PU among the required Collections if the Digi are requested
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# ( for the time being asking it directly to the PubDB so the RefDB
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# level data discovery is bypassed..... in future when every site
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# will have the new style it will be possible to ask for PU , at RefDB level, in method findAllCollections )
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if ( self.NeededdataTiers.count('Digi') ):
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PUCollID=self.getDatatierCollID(url[:end+1],Collections,"PU")
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if (PUCollID) : CollIDs.append(PUCollID)
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##
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Collections=string.join(CollIDs,'-')
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### download from PubDB all the info about the given collections
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pubdb_analysis=PubDBInfo(url[:end+1],Collections)
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#print pubdb_analysis.GetPubDBInfo()
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ok=0
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try:
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catInfos=pubdb_analysis.GetPubDBInfo()
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ok=1
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except :
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#print "WARNING: can't get PubDB content out of "+url[:end+1]+"\n"
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print '\nERROR extracting info for collections '+Collections+' from PubDB '+url[:end+1]+'. The PU might not be published at that site.\n'
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#raise PubDBGetAnalysisError(url[:end+1],Collections)
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if (ok): result=catInfos;
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else:
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### before PubDB V4 : get info for each collection and read the key-value pair text
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for CollID in CollIDs:
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urlphp=url[:end+1]+self.PubDBAnalysisPhp_+'?CollID='+CollID
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# print 'PHP URL: '+urlphp+' \n'
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reOld=re.compile( r'V24' )
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#print urlphp,'Old PubDB ',reOld.search(urlphp)
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if reOld.search(urlphp):
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raise NoPHPError(urlphp)
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else:
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try:
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f = urllib2.urlopen(urlphp)
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except urllib2.URLError, msg:
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print "WARNING: ", msg
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raise PubDBError(urlphp)
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except urllib2.HTTPError, msg:
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print "WARNING: ", msg
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raise NoPHPError(urlphp)
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content = f.read()
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result.append(pubDBResult(content))
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#print "Coll",CollID," content ",content
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pass
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pass
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#print '.....'
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#for r in result:
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# r.dump()
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#print '.....'
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return result
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########################################################################
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def getDatatierCollID(self,urlbase,CollIDString,datatier):
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"""
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Contact a script of PubDB to retrieve the collid a DataTier
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"""
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try:
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f = urllib.urlopen(urlbase+'pubdb-get-collidbydatatier.php?collid='+CollIDString+"&datatier="+datatier)
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except IOError:
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raise PubDBGetAnalysisError(url[:end+1]+'pubdb-get-collidbydatatier.php',CollIDString)
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data = f.read()
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colldata=re.compile(r'collid=(\S*)').search(data);
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if colldata:
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datatier_CollID=colldata.group(1)
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# print " --> asking to PubDB "+urlbase+" for an additional collection : ID= "+datatier_CollID+" DataTier= "+datatier
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common.logger.message(" --> asking to PubDB "+urlbase+" for an additional collection : ID= "+datatier_CollID+" DataTier= "+datatier)
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return datatier_CollID
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########################################################################
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def getAllPubDBData(self):
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"""
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Contact a list of PubDB to collect all the relevant information
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"""
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newPubDBResult=[]
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oldPubDBResult=[]
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Result={}
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### find the user-required collection IDs
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CollIDs = self.findAllCollections()
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### find the PubDB URLs publishing the needed data
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urllist = self.findPubDBs(CollIDs)
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### collect information sparatelly from new-style PubDBs and old-style PubDBs
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for pubdburl in urllist:
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end=string.rfind(pubdburl,'/')
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newversion=self.checkPubDBNewVersion(pubdburl[:end+1])
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if (newversion):
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res=self.getPubDBData(CollIDs,pubdburl,newversion)
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if len(res)>0:
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newPubDBResult.append(res)
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else:
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resold=self.getPubDBData(CollIDs,pubdburl,newversion)
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if len(resold)>0:
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oldPubDBResult.append(resold)
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### fill a dictionary with all the PubBDs results both old-style and new-style
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Result['newPubDB']=newPubDBResult
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Result['oldPubDB']=oldPubDBResult
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## print for debugging purpose
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#
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| 364 |
#for PubDBversion in Result.keys():
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#print ("key %s, val %s" %(PubDBversion,Result[PubDBversion]))
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# if len(Result[PubDBversion])>0 :
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#print (" key %s"%(PubDBversion))
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# for result in Result[PubDBversion]:
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# for r in result:
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#r.dump()
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# common.log.write('----------------- \n')
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#print '.....................................'
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return Result
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####################################################################
|
