def pcurl(url):
ns.register(workurl=url+'#')
pStore = Store(reader="rdflib", writer="rdflib",
rdflib_store='IOMemory')
pSession = Session(pStore)
Work = pSession.get_class(ns.FRBR['Work'])
Agent = pSession.get_class(ns.PROV['Agent'])
Entity = pSession.get_class(ns.PROV['Entity'])
controller = getController(Agent)
work = Work(url)
works = set([url])
response = getResponse(url)
content = response.read()
originalWork = work
while response.status >= 300 and response.status < 400:
newURL = response.msg.dict['location']
if newURL in works:
raise Exception("Redirect loop")
works.add(newURL)
newWork = Work(newURL)
newWork.save()
work.irw_redirectsTo.append(newWork)
work.save()
work = newWork
response = getResponse(work.subject)
content = response.read()
if response.status != 200:
raise Exception(response.reason)
pSession.commit()
#work = originalWork
workURI = str(work.subject)
FileHash = work.session.get_class(ns.NFO['FileHash'])
ContentDigest = work.session.get_class(ns.FRIR['ContentDigest'])
Item = work.session.get_class(ns.FRBR['Item'])
Response = work.session.get_class(ns.FRIR['HTTP_1_1_Response'])
Get = work.session.get_class(ns.FRIR['HTTP_1_1_GET'])
Manifestation = work.session.get_class(ns.FRBR['Manifestation'])
Expression = work.session.get_class(ns.FRBR['Expression'])
ProcessExecution = work.session.get_class(ns.PROV['ProcessExecution'])
#httpGetURI = "http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.3"
o = urlparse(str(workURI))
filename = o.path.split("/")[-1]
f = open(filename,"wb+")
f.write(content)
f.close()
pStore, localItem = fstack(open(filename,'rb+'),filename,workURI,pStore,response.msg.dict['content-type'])
#localItem = Item(localItem.subject)
itemHashValue = createItemHash(url, response, content)
item = Response(ns.PITEM['-'.join(itemHashValue)])
item.frir_hasHeader = ''.join(response.msg.headers)
item.nfo_hasHash.append(createHashInstance(itemHashValue,FileHash))
item.dcterms_date = dateutil.parser.parse(response.msg.dict['date'])
item.frbr_exemplarOf = localItem.frbr_exemplarOf
provF = open(filename+".prov.ttl","wb+")
localItem.frbr_reproductionOf.append(item)
getPE = Get()
getPE.dcterms_date = localItem.dcterms_date
getPE.prov_used.append(ns.FRIR['HTTP_1_1_GET'])
getPE.prov_wasControlledBy = controller
getPE.prov_used.append(item)
localItem.prov_wasGeneratedBy = getPE
item.save()
localItem.save()
getPE.save()
pSession.commit()
bindPrefixes(pStore.reader.graph)
provF.write(pStore.reader.graph.serialize(format="turtle"))
def pcurl(url):
ns.register(workurl=url+'#')
pStore = Store(reader="rdflib", writer="rdflib",
rdflib_store='IOMemory')
pSession = Session(pStore)
Work = pSession.get_class(ns.FRBR['Work'])
Agent = pSession.get_class(ns.PROV['Agent'])
Entity = pSession.get_class(ns.PROV['Entity'])
controller = getController(Agent)
work = Work(url)
works = set([url])
response = getResponse(url)
content = response.read()
originalWork = work
while response.status >= 300 and response.status < 400:
newURL = response.msg.dict['location']
if newURL in works:
raise Exception("Redirect loop")
works.add(newURL)
newWork = Work(newURL)
newWork.save()
work.irw_redirectsTo.append(newWork)
work.save()
work = newWork
response = getResponse(work.subject)
content = response.read()
if response.status != 200:
raise Exception(response.reason)
pSession.commit()
#work = originalWork
workURI = str(work.subject)
FileHash = work.session.get_class(ns.NFO['FileHash'])
ContentDigest = work.session.get_class(ns.FRIR['ContentDigest'])
Item = work.session.get_class(ns.FRBR['Item'])
Request = work.session.get_class(ns.HTTP['Request'])
RequestHeader = work.session.get_class(ns.HTTP['RequestHeader'])
Response = work.session.get_class(ns.HTTP['Response'])
ResponseHeader = work.session.get_class(ns.HTTP['ResponseHeader'])
Method = work.session.get_class(ns.HTTP["Method"])
GET = Method(ns.METHOD["GET"])
Manifestation = work.session.get_class(ns.FRBR['Manifestation'])
Expression = work.session.get_class(ns.FRBR['Expression'])
ProcessExecution = work.session.get_class(ns.PROV['ProcessExecution'])
o = urlparse(str(workURI))
filename = [f for f in o.path.split("/") if len(f) > 0][-1]
#print filename
f = open(filename,"wb+")
f.write(content)
f.close()
mimetype = response.msg.dict['content-type']
pStore, localItem = fstack(open(filename,'rb+'),filename,workURI,pStore,mimetype)
#localItem = Item(localItem.subject)
itemHashValue = createItemHash(url, response, content)
item = Response(ns.PITEM['-'.join(itemHashValue[:2])])
item.http_httpVersion = '1.1'
for field in response.msg.dict.keys():
header = ResponseHeader()
header.http_fieldName = field
header.http_fieldValue = response.msg.dict[field]
header.http_hdrName = ns.HEADER[field.lower()]
header.save()
item.http_headers.append(header)
item.nfo_hasHash.append(createHashInstance(itemHashValue,FileHash))
item.dcterms_date = dateutil.parser.parse(response.msg.dict['date'])
item.frbr_exemplarOf = localItem.frbr_exemplarOf
provF = open(filename+".prov.ttl","wb+")
localItem.frbr_reproductionOf.append(item)
getPE = Request()
getPE.http_methd = GET
getPE.http_requestURI = workURI
getPE.dcterms_date = localItem.dcterms_date
getPE.prov_hadRecipe.append(GET)
getPE.prov_wasControlledBy = controller
getPE.prov_used.append(item)
getPE.http_resp = item
localItem.prov_wasGeneratedBy = getPE
item.save()
localItem.save()
getPE.save()
pSession.commit()
bindPrefixes(pStore.reader.graph)
provF.write(pStore.reader.graph.serialize(format="turtle"))
def pcurl(url):
ns.register(workurl=url + '#')
pStore = Store(reader="rdflib", writer="rdflib", rdflib_store='IOMemory')
pSession = Session(pStore)
Work = pSession.get_class(ns.FRBR['Work'])
Agent = pSession.get_class(ns.PROV['Agent'])
Entity = pSession.get_class(ns.PROV['Entity'])
controller = getController(Agent)
work = Work(url)
works = set([url])
response = getResponse(url)
content = response.read()
originalWork = work
while response.status >= 300 and response.status < 400:
newURL = response.msg.dict['location']
if newURL in works:
raise Exception("Redirect loop")
works.add(newURL)
newWork = Work(newURL)
newWork.save()
work.irw_redirectsTo.append(newWork)
work.save()
work = newWork
response = getResponse(work.subject)
content = response.read()
if response.status != 200:
raise Exception(response.reason)
pSession.commit()
#work = originalWork
workURI = str(work.subject)
FileHash = work.session.get_class(ns.NFO['FileHash'])
ContentDigest = work.session.get_class(ns.FRIR['ContentDigest'])
Item = work.session.get_class(ns.FRBR['Item'])
Request = work.session.get_class(ns.HTTP['Request'])
RequestHeader = work.session.get_class(ns.HTTP['RequestHeader'])
Response = work.session.get_class(ns.HTTP['Response'])
ResponseHeader = work.session.get_class(ns.HTTP['ResponseHeader'])
Method = work.session.get_class(ns.HTTP["Method"])
GET = Method(ns.METHOD["GET"])
GET.rdfs_label = "HTTP 1.1 GET"
Manifestation = work.session.get_class(ns.FRBR['Manifestation'])
Expression = work.session.get_class(ns.FRBR['Expression'])
ProcessExecution = work.session.get_class(ns.PROV['Activity'])
o = urlparse(str(workURI))
filename = [f for f in o.path.split("/") if len(f) > 0][-1]
#print filename
f = open(filename, "wb+")
f.write(content)
f.close()
mimetype = response.msg.dict['content-type']
pStore, localItem = fstack(open(filename, 'rb+'), filename, workURI,
pStore, mimetype)
#localItem = Item(localItem.subject)
itemHashValue = createItemHash(url, response, content)
item = Response(ns.PITEM['-'.join(itemHashValue[:2])])
item.http_httpVersion = '1.1'
for field in response.msg.dict.keys():
header = ResponseHeader()
header.http_fieldName = field
header.http_fieldValue = response.msg.dict[field]
header.http_hdrName = ns.HEADER[field.lower()]
header.save()
item.http_headers.append(header)
item.nfo_hasHash.append(createHashInstance(itemHashValue, FileHash))
item.dcterms_date = dateutil.parser.parse(response.msg.dict['date'])
item.frbr_exemplarOf = localItem.frbr_exemplarOf
provF = open(filename + ".prov.ttl", "wb+")
localItem.frbr_reproductionOf.append(item)
getPE = Request()
getPE.http_methd = GET
getPE.http_requestURI = workURI
getPE.dcterms_date = localItem.dcterms_date
getPE.prov_hadPlan.append(GET)
getPE.prov_wasAttributedTo = controller
getPE.prov_used.append(item)
getPE.http_resp = item
localItem.prov_wasGeneratedBy = getPE
item.save()
localItem.save()
getPE.save()
pSession.commit()
bindPrefixes(pStore.reader.graph)
provF.write(pStore.reader.graph.serialize(format="turtle"))