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#!/usr/bin/env python
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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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from UnserializePHP import *
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class RefDBError:
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def __init__(self, owner, dataset):
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print '\nERROR accessing RefDB for Owner/Dataset: '+owner+'/'+dataset+'\n'
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pass
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class RefDBNoCollectionError:
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def __init__(self, owner, dataset):
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print '\nERROR No Collection Owner/Dataset found in RefDB : '+owner+'/'+dataset+'\n'
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pass
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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,'isn\'t updated version \n'
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pass
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class RefDBResult:
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def __init__(self,
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contents):
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self.contents=contents
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##################################################################################
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# Class to connect to RefDB and download the data in one shot using the serialized PHP data.
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# Python doesn't allow to un-serialize PHP serialized objects. An "ad hoc" un-serialization is thus used.
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###############################################################################
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class RefDBInfo:
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def __init__(self, owner, dataset):
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self.owner = owner
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self.dataset = dataset
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self.RefDBurl_ = 'http://cmsdoc.cern.ch/cms/production/www/'
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self.RefDBMotherphp_ = 'cgi/SQL/CollectionTree.php'
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def GetRefDBInfo(self):
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try:
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f = urllib.urlopen(self.RefDBurl_+self.RefDBMotherphp_+'?format=serialized&owner='+self.owner+'&dataset='+self.dataset)
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except IOError:
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raise RefDBError(self.owner,self.dataset)
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data = f.read()
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if len(data)>0:
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if data[0]=='<':
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if (data.find("down") > -1) :
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print "\n WARNING: RefDB is temporarily down for a short maintenace \n"
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raise RefDBError(self.owner,self.dataset)
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else:
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raise RefDBNoCollectionError(self.owner,self.dataset)
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try:
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collections = PHPUnserialize().unserialize(data)
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except IOError:
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raise PHPUnserializeError(data)
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collinfos=[]
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try:
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for k in collections.keys():
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#if collections[k]['type']!='PU':
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collinfos.append([collections[k]['id'],collections[k]['name'],collections[k]['type'],collections[k]['oname'],collections[k]['dname']])
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except IOError:
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raise PHPUnserializeError(data)
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return collinfos
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