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1
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import hashlib
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2
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import urllib2
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3
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4
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from flask import json
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5
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6
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7
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class DLIRelation(object):
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8
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def __init__(self, entity):
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9
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10
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m = hashlib.md5()
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11
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m.update("%s::%s" % (entity['targetPID']['id'], entity['targetPID']['type']))
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12
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self.relatedDnetId = m.hexdigest()
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13
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14
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self.targetPID = entity['targetPID']['id']
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15
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self.targetPIDType = entity['targetPID']['type']
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16
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if "targetType" in entity:
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17
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self.relatedEntityType = entity['targetType']
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18
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if "relationSemantics" in entity:
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19
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self.typeOfRelation = entity['relationSemantics']
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20
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if "targetTitle" in entity:
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21
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self.related_title = entity['targetTitle']
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22
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self.authors = []
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23
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if 'authors' in entity:
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24
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for author in entity['authors']:
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25
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self.authors.append(author)
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26
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self.relation_provenance = []
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27
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if 'relationProvenance' in entity:
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28
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for provenance in entity['relationProvenance']:
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29
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item = {'name': provenance['datasource'], 'completionStatus': provenance['completionStatus'],
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'provisionMode': provenance['provisionMode'],
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'collectionDate': provenance['collectionDate']}
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32
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self.relation_provenance.append(item)
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33
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34
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35
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class DLIObject(object):
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36
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def __init__(self, id, basepath):
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37
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self.identifier = ""
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38
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self.pid = ""
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39
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self.pid_type = ""
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40
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self.resolved_url = ""
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41
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self.completionStatus = ""
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42
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self.provenance_record = []
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43
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self.objectType = "unknown"
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44
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self.title = ""
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45
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self.date = ""
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46
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self.authors = []
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47
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self.relations = []
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48
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try:
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49
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request = urllib2.urlopen("%s/mvc/ui/dli/dli_objectStore/retrieveObject.do?id=%s" % (basepath, id))
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50
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data = json.loads(request.read())
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51
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self.pid = data['pid']
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52
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self.identifier = id
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53
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self.pid_type = data['pidType']
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54
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55
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if 'resolvedTypes' in data:
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56
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if self.pid_type in data['resolvedTypes']:
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57
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self.resolved_url = data['resolvedTypes'][self.pid_type] % self.pid
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58
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59
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if "titles" in data:
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60
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if len(data['titles']) > 0:
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61
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self.title = data['titles'][0].replace('["','').replace('"]','')
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62
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self.authors = data['authors']
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63
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if 'type' in data:
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64
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self.objectType = data['type']
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65
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self.completionStatus = data['completionStatus']
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66
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if 'date' in data:
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67
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self.date = data['date']
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68
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if 'datasourceProvenance' in data:
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69
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for provenance in data['datasourceProvenance']:
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70
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item = {'name': provenance['datasource'], 'completionStatus': provenance['completionStatus'],
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71
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'provisionMode': provenance['provisionMode'],
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72
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'collectionDate': provenance['collectionDate']}
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73
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74
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if 'datasourceId' in provenance:
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75
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item['datasourceId'] = provenance['datasourceId']
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76
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77
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if 'publisher' in provenance:
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78
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item['publisher'] =provenance['publisher']
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79
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if 'publisherId' in provenance:
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80
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item['publisherId'] =provenance['publisherId']
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81
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82
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self.provenance_record.append(item)
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83
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if 'relations' in data:
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84
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for rels in data['relations']:
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85
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self.relations.append(DLIRelation(rels))
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86
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except Exception as e:
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87
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print "error on request object"
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88
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print e
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