def ListRecords(params):
try:
from lr.mustache.oaipmh import ListRecords as must_ListRec
doc_index = 0
mustache = must_ListRec()
for record in o.list_records(params["metadataPrefix"],from_date=params["from"], until_date=params["until"] ):
doc_index += 1
log.debug(json.dumps(record))
if doc_index == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield self._returnResponse(part, res=t_res)
part = mustache.doc(record)
yield self._returnResponse(part, res=t_res)
if doc_index == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
else:
yield mustache.suffix()
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield self._returnResponse(err.xml(e), res=t_res)
except:
log.exception("Unable to render template")
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
resolver = OAIPMHDocumentResolver()
single_doc = o.get_record(params["identifier"])
if single_doc is not None:
docList = [resolver.process({"doc": single_doc})]
else:
docList = []
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params[
"metadataPrefix"] in map(
lambda x: o_mod.getMetadataPrefix(x),
doc["payload_schema"]
) and OAIPMHDocumentResolver.PAYLOAD_ERROR not in doc:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(
args=params, req=t_req))
yield h.fixUtf8(
self._returnResponse(part, res=t_res))
part = mustache.doc(doc)
yield h.fixUtf8(
self._returnResponse(part, res=t_res))
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'],
req=t_req)
else:
yield h.fixUtf8(
self._returnResponse(mustache.suffix(), res=t_res))
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
resolver = OAIPMHDocumentResolver()
single_doc = o.get_record(params["identifier"])
if single_doc is not None:
docList = [resolver.process({ "doc": single_doc })]
else:
docList = []
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params["metadataPrefix"] in map(lambda x: o_mod.getMetadataPrefix(x), doc["payload_schema"]) and OAIPMHDocumentResolver.PAYLOAD_ERROR not in doc:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
part = mustache.doc(doc)
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
yield h.fixUtf8(self._returnResponse(mustache.suffix(), res=t_res))
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
docList = [o.get_record(params["identifier"])]
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params["metadataPrefix"] in doc["payload_schema"]:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield self._returnResponse(part, res=t_res)
part = mustache.doc(doc)
yield self._returnResponse(part, res=t_res)
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
yield self._returnResponse(mustache.suffix(), res=t_res)
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield self._returnResponse(err.xml(e), res=t_res)
def ListGeneric(params, showDocs=False, record_limit=None):
if not showDocs:
from lr.mustache.oaipmh import ListIdentifiers as must_ListID
mustache = must_ListID()
else:
from lr.mustache.oaipmh import ListRecords as must_ListRec
mustache = must_ListRec()
try:
doc_index = 0
err_count = 0
metadataPrefix = params["metadataPrefix"]
from_date = params["from"]
until_date = params["until"]
doc_err = None
rendered_init = False
resumptionToken = None if "resumptionToken" not in params else params[
'resumptionToken']
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=resumptionToken,
fc_limit=record_limit,
include_docs=showDocs)
for ident in records:
doc_index += 1
doc_err = False
if OAIPMHDocumentResolver.PAYLOAD_ERROR in ident:
err_count += 1
doc_err = True
log.debug(
"Payload Error detected, doc_index: {0}, err_count: {1}"
.format(doc_index, err_count))
if doc_index - err_count == 1:
rendered_init = True
part = mustache.prefix(
**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_err is False and (record_limit is None
or doc_index <= record_limit):
part = mustache.doc(ident)
yield h.fixUtf8(part)
elif enable_flow_control:
from lr.lib import resumption_token
if doc_index - err_count > 0 and doc_index > record_limit:
opts = o.list_opts(
metadataPrefix,
h.convertToISO8601UTC(ident["node_timestamp"]),
until_date)
opts["startkey_docid"] = ident["doc_ID"]
token = resumption_token.get_token(
serviceid=service_id,
from_date=from_date,
until_date=until_date,
**opts)
part = mustache.resumptionToken(token)
yield h.fixUtf8(part)
break
elif doc_index - err_count == 0 and doc_index > record_limit:
opts = o.list_opts(
metadataPrefix,
h.convertToISO8601UTC(ident["node_timestamp"]),
until_date)
opts["startkey_docid"] = ident["doc_ID"]
payload = resumption_token.get_payload(
from_date=from_date,
until_date=until_date,
**opts)
records = o.list_identifiers_or_records(
metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=payload,
fc_limit=record_limit,
include_docs=showDocs)
doc_index = 0
err_count = 0
if doc_index == 0 and err_count == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
elif (doc_index - err_count) == 0:
raise CannotDisseminateFormatError(params['verb'],
req=t_req)
else:
if enable_flow_control and doc_index <= record_limit:
yield h.fixUtf8(mustache.resumptionToken())
yield h.fixUtf8(mustache.suffix())
except oaipmherrors.Error as e:
if not rendered_init:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e),
res=t_res))
else:
from lr.mustache.oaipmh import ErrorOnly as err_stache
err = err_stache()
yield h.fixUtf8(
self._returnResponse(err.xml(e) + mustache.suffix(),
res=t_res))
except:
log.exception("Unknown Error Occurred")
def _handleOAIRequest(self, format='html'):
t_req = request._current_obj()
t_res = response._current_obj()
enable_flow_control = False
fc_id_limit = None
fc_doc_limit = None
service_id = None
serviceDoc = h.getServiceDocument(appConfig['lr.oaipmh.docid'])
if serviceDoc != None:
if 'service_id' in serviceDoc:
service_id = serviceDoc['service_id']
if 'service_data' in serviceDoc:
serviceData = serviceDoc['service_data']
if 'flow_control' in serviceData:
enable_flow_control = serviceData['flow_control']
if enable_flow_control and 'id_limit' in serviceData:
fc_id_limit = serviceData['id_limit']
elif enable_flow_control:
fc_id_limit = 100
if enable_flow_control and 'doc_limit' in serviceData:
fc_doc_limit = serviceData['doc_limit']
elif enable_flow_control:
fc_doc_limit = 100
o = oaipmh()
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
resolver = OAIPMHDocumentResolver()
single_doc = o.get_record(params["identifier"])
if single_doc is not None:
docList = [resolver.process({"doc": single_doc})]
else:
docList = []
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params[
"metadataPrefix"] in map(
lambda x: o_mod.getMetadataPrefix(x),
doc["payload_schema"]
) and OAIPMHDocumentResolver.PAYLOAD_ERROR not in doc:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(
args=params, req=t_req))
yield h.fixUtf8(
self._returnResponse(part, res=t_res))
part = mustache.doc(doc)
yield h.fixUtf8(
self._returnResponse(part, res=t_res))
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'],
req=t_req)
else:
yield h.fixUtf8(
self._returnResponse(mustache.suffix(), res=t_res))
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
def ListGeneric(params, showDocs=False, record_limit=None):
if not showDocs:
from lr.mustache.oaipmh import ListIdentifiers as must_ListID
mustache = must_ListID()
else:
from lr.mustache.oaipmh import ListRecords as must_ListRec
mustache = must_ListRec()
try:
doc_index = 0
err_count = 0
metadataPrefix = params["metadataPrefix"]
from_date = params["from"]
until_date = params["until"]
doc_err = None
rendered_init = False
resumptionToken = None if "resumptionToken" not in params else params[
'resumptionToken']
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=resumptionToken,
fc_limit=record_limit,
include_docs=showDocs)
for ident in records:
doc_index += 1
doc_err = False
if OAIPMHDocumentResolver.PAYLOAD_ERROR in ident:
err_count += 1
doc_err = True
log.debug(
"Payload Error detected, doc_index: {0}, err_count: {1}"
.format(doc_index, err_count))
if doc_index - err_count == 1:
rendered_init = True
part = mustache.prefix(
**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_err is False and (record_limit is None
or doc_index <= record_limit):
part = mustache.doc(ident)
yield h.fixUtf8(part)
elif enable_flow_control:
from lr.lib import resumption_token
if doc_index - err_count > 0 and doc_index > record_limit:
opts = o.list_opts(
metadataPrefix,
h.convertToISO8601UTC(ident["node_timestamp"]),
until_date)
opts["startkey_docid"] = ident["doc_ID"]
token = resumption_token.get_token(
serviceid=service_id,
from_date=from_date,
until_date=until_date,
**opts)
part = mustache.resumptionToken(token)
yield h.fixUtf8(part)
break
elif doc_index - err_count == 0 and doc_index > record_limit:
opts = o.list_opts(
metadataPrefix,
h.convertToISO8601UTC(ident["node_timestamp"]),
until_date)
opts["startkey_docid"] = ident["doc_ID"]
payload = resumption_token.get_payload(
from_date=from_date,
until_date=until_date,
**opts)
records = o.list_identifiers_or_records(
metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=payload,
fc_limit=record_limit,
include_docs=showDocs)
doc_index = 0
err_count = 0
if doc_index == 0 and err_count == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
elif (doc_index - err_count) == 0:
raise CannotDisseminateFormatError(params['verb'],
req=t_req)
else:
if enable_flow_control and doc_index <= record_limit:
yield h.fixUtf8(mustache.resumptionToken())
yield h.fixUtf8(mustache.suffix())
except oaipmherrors.Error as e:
if not rendered_init:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e),
res=t_res))
else:
from lr.mustache.oaipmh import ErrorOnly as err_stache
err = err_stache()
yield h.fixUtf8(
self._returnResponse(err.xml(e) + mustache.suffix(),
res=t_res))
except:
log.exception("Unknown Error Occurred")
def ListIdentifiers(params):
return ListGeneric(params, False, fc_id_limit)
def ListRecords(params):
return ListGeneric(params, True, fc_doc_limit)
# def ListRecords(params):
# try:
# from lr.mustache.oaipmh import ListRecords as must_ListRec
#
# doc_index = 0
# mustache = must_ListRec()
# for record in o.list_records(params["metadataPrefix"],from_date=params["from"], until_date=params["until"] ):
# doc_index += 1
# log.debug(json.dumps(record))
# if doc_index == 1:
# part = mustache.prefix(**self._initMustache(args=params, req=t_req))
# yield self._returnResponse(part, res=t_res)
#
# part = mustache.doc(record)
# yield self._returnResponse(part, res=t_res)
#
#
# if doc_index == 0:
# raise NoRecordsMatchError(params['verb'], req=t_req)
# else:
# yield mustache.suffix()
#
# except oaipmherrors.Error as e:
# from lr.mustache.oaipmh import Error as err_stache
# err = err_stache()
# yield self._returnResponse(err.xml(e), res=t_res)
# except:
# log.exception("Unable to render template")
def Identify(params=None):
body = ""
try:
self._initRender(params, ctx=c, req=t_req)
c.identify = o.identify()
body = render("/oaipmh-Identify.mako")
except Exception as e:
raise BadVerbError()
return self._returnResponse(body, res=t_res)
def ListMetadataFormats(params):
body = ""
try:
self._initRender(params, ctx=c, req=t_req)
fmts = o.list_metadata_formats(identity=params["identifier"],
by_doc_ID=params["by_doc_ID"])
if len(fmts) == 0:
raise NoMetadataFormats(params["verb"])
c.formats = fmts
body = render("/oaipmh-ListMetadataFormats.mako")
return self._returnResponse(body, res=t_res)
except Error as e:
raise e
def ListSets(params=None):
raise NoSetHierarchyError(verb)
def NotYetSupported(params=None):
raise BadVerbError()
switch = {
'GetRecord': GetRecord,
'ListRecords': ListRecords,
'ListIdentifiers': ListIdentifiers,
'Identify': Identify,
'ListMetadataFormats': ListMetadataFormats,
'ListSets': ListSets
}
try:
params = self._parseParams(flow_control=enable_flow_control,
serviceid=service_id)
# If this is a special case where we are actually using OAI interface to serve basic harvest
if params.has_key("metadataPrefix") and params[
"metadataPrefix"] == "LR_JSON_0.10.0":
if params.has_key("identifier") == True:
params[self.REQUESTID] = params["identifier"]
if params.has_key("from") and isinstance(
params["from"], datetime):
params["from"] = h.convertToISO8601Zformat(params["from"])
if params.has_key("until") and isinstance(
params["until"], datetime):
params["until"] = h.convertToISO8601Zformat(
params["until"])
return HarvestController.harvest(self, params, request.body,
params['verb'].lower())
verb = params['verb']
response.headers['Content-Type'] = "text/xml; charset=utf-8"
return switch[verb](params)
except Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
return self._returnResponse(err.xml(e), res=t_res)
def ListGeneric(params, showDocs=False, record_limit=None):
if not showDocs:
from lr.mustache.oaipmh import ListIdentifiers as must_ListID
mustache = must_ListID()
else:
from lr.mustache.oaipmh import ListRecords as must_ListRec
mustache = must_ListRec()
try:
doc_index = 0
err_count = 0
metadataPrefix=params["metadataPrefix"]
from_date=params["from"]
until_date=params["until"]
doc_err = None
rendered_init = False
resumptionToken = None if "resumptionToken" not in params else params['resumptionToken']
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=resumptionToken,
fc_limit=record_limit,
include_docs=showDocs )
for ident in records:
doc_index += 1
doc_err = False
if OAIPMHDocumentResolver.PAYLOAD_ERROR in ident:
err_count += 1
doc_err = True
log.debug("Payload Error detected, doc_index: {0}, err_count: {1}".format(doc_index, err_count))
if doc_index - err_count == 1:
rendered_init = True
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_err is False and (record_limit is None or doc_index <= record_limit):
part = mustache.doc(ident)
yield h.fixUtf8(part)
elif enable_flow_control:
from lr.lib import resumption_token
if doc_index - err_count > 0 and doc_index > record_limit:
opts = o.list_opts(metadataPrefix, h.convertToISO8601UTC(ident["node_timestamp"]), until_date)
opts["startkey_docid"] = ident["doc_ID"]
token = resumption_token.get_token(serviceid=service_id, from_date=from_date, until_date=until_date, **opts)
part = mustache.resumptionToken(token)
yield h.fixUtf8(part)
break
elif doc_index - err_count == 0 and doc_index > record_limit:
opts = o.list_opts(metadataPrefix, h.convertToISO8601UTC(ident["node_timestamp"]), until_date)
opts["startkey_docid"] = ident["doc_ID"]
payload = resumption_token.get_payload(from_date=from_date, until_date=until_date, **opts)
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=payload,
fc_limit=record_limit,
include_docs=showDocs )
doc_index = 0
err_count = 0
if doc_index == 0 and err_count == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
elif (doc_index - err_count) == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
if enable_flow_control and doc_index <= record_limit:
yield h.fixUtf8(mustache.resumptionToken())
yield h.fixUtf8(mustache.suffix())
except oaipmherrors.Error as e:
if not rendered_init:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
else:
from lr.mustache.oaipmh import ErrorOnly as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e)+mustache.suffix(), res=t_res))
except:
log.exception("Unknown Error Occurred")
def _handleOAIRequest(self, format='html'):
t_req = request._current_obj()
t_res = response._current_obj()
enable_flow_control = False
fc_id_limit = None
fc_doc_limit = None
service_id = None
serviceDoc = h.getServiceDocument(appConfig['lr.oaipmh.docid'])
if serviceDoc != None:
if 'service_id' in serviceDoc:
service_id = serviceDoc['service_id']
if 'service_data' in serviceDoc:
serviceData = serviceDoc['service_data']
if 'flow_control' in serviceData:
enable_flow_control = serviceData['flow_control']
if enable_flow_control and 'id_limit' in serviceData:
fc_id_limit = serviceData['id_limit']
elif enable_flow_control:
fc_id_limit = 100
if enable_flow_control and 'doc_limit' in serviceData:
fc_doc_limit = serviceData['doc_limit']
elif enable_flow_control:
fc_doc_limit = 100
o = oaipmh()
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
resolver = OAIPMHDocumentResolver()
single_doc = o.get_record(params["identifier"])
if single_doc is not None:
docList = [resolver.process({ "doc": single_doc })]
else:
docList = []
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params["metadataPrefix"] in map(lambda x: o_mod.getMetadataPrefix(x), doc["payload_schema"]) and OAIPMHDocumentResolver.PAYLOAD_ERROR not in doc:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
part = mustache.doc(doc)
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
yield h.fixUtf8(self._returnResponse(mustache.suffix(), res=t_res))
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
def ListGeneric(params, showDocs=False, record_limit=None):
if not showDocs:
from lr.mustache.oaipmh import ListIdentifiers as must_ListID
mustache = must_ListID()
else:
from lr.mustache.oaipmh import ListRecords as must_ListRec
mustache = must_ListRec()
try:
doc_index = 0
err_count = 0
metadataPrefix=params["metadataPrefix"]
from_date=params["from"]
until_date=params["until"]
doc_err = None
rendered_init = False
resumptionToken = None if "resumptionToken" not in params else params['resumptionToken']
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=resumptionToken,
fc_limit=record_limit,
include_docs=showDocs )
for ident in records:
doc_index += 1
doc_err = False
if OAIPMHDocumentResolver.PAYLOAD_ERROR in ident:
err_count += 1
doc_err = True
log.debug("Payload Error detected, doc_index: {0}, err_count: {1}".format(doc_index, err_count))
if doc_index - err_count == 1:
rendered_init = True
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield h.fixUtf8(self._returnResponse(part, res=t_res))
if doc_err is False and (record_limit is None or doc_index <= record_limit):
part = mustache.doc(ident)
yield h.fixUtf8(part)
elif enable_flow_control:
from lr.lib import resumption_token
if doc_index - err_count > 0 and doc_index > record_limit:
opts = o.list_opts(metadataPrefix, h.convertToISO8601UTC(ident["node_timestamp"]), until_date)
opts["startkey_docid"] = ident["doc_ID"]
token = resumption_token.get_token(serviceid=service_id, from_date=from_date, until_date=until_date, **opts)
part = mustache.resumptionToken(token)
yield h.fixUtf8(part)
break
elif doc_index - err_count == 0 and doc_index > record_limit:
opts = o.list_opts(metadataPrefix, h.convertToISO8601UTC(ident["node_timestamp"]), until_date)
opts["startkey_docid"] = ident["doc_ID"]
payload = resumption_token.get_payload(from_date=from_date, until_date=until_date, **opts)
records = o.list_identifiers_or_records(metadataPrefix,
from_date=from_date,
until_date=until_date,
rt=payload,
fc_limit=record_limit,
include_docs=showDocs )
doc_index = 0
err_count = 0
if doc_index == 0 and err_count == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
elif (doc_index - err_count) == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
if enable_flow_control and doc_index <= record_limit:
yield h.fixUtf8(mustache.resumptionToken())
yield h.fixUtf8(mustache.suffix())
except oaipmherrors.Error as e:
if not rendered_init:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e), res=t_res))
else:
from lr.mustache.oaipmh import ErrorOnly as err_stache
err = err_stache()
yield h.fixUtf8(self._returnResponse(err.xml(e)+mustache.suffix(), res=t_res))
except:
log.exception("Unknown Error Occurred")
def ListIdentifiers(params):
return ListGeneric(params, False, fc_id_limit)
def ListRecords(params):
return ListGeneric(params, True, fc_doc_limit)
# def ListRecords(params):
# try:
# from lr.mustache.oaipmh import ListRecords as must_ListRec
#
# doc_index = 0
# mustache = must_ListRec()
# for record in o.list_records(params["metadataPrefix"],from_date=params["from"], until_date=params["until"] ):
# doc_index += 1
# log.debug(json.dumps(record))
# if doc_index == 1:
# part = mustache.prefix(**self._initMustache(args=params, req=t_req))
# yield self._returnResponse(part, res=t_res)
#
# part = mustache.doc(record)
# yield self._returnResponse(part, res=t_res)
#
#
# if doc_index == 0:
# raise NoRecordsMatchError(params['verb'], req=t_req)
# else:
# yield mustache.suffix()
#
# except oaipmherrors.Error as e:
# from lr.mustache.oaipmh import Error as err_stache
# err = err_stache()
# yield self._returnResponse(err.xml(e), res=t_res)
# except:
# log.exception("Unable to render template")
def Identify(params=None):
body = ""
try:
self._initRender(params, ctx=c, req=t_req)
c.identify = o.identify()
body = render("/oaipmh-Identify.mako")
except Exception as e:
raise BadVerbError()
return self._returnResponse(body, res=t_res)
def ListMetadataFormats(params):
body = ""
try:
self._initRender(params, ctx=c, req=t_req)
fmts = o.list_metadata_formats(identity=params["identifier"], by_doc_ID=params["by_doc_ID"])
if len(fmts) == 0:
raise NoMetadataFormats(params["verb"])
c.formats = fmts
body = render("/oaipmh-ListMetadataFormats.mako")
return self._returnResponse(body, res=t_res)
except Error as e:
raise e
def ListSets(params=None):
raise NoSetHierarchyError(verb)
def NotYetSupported(params=None):
raise BadVerbError()
switch = {
'GetRecord': GetRecord,
'ListRecords': ListRecords,
'ListIdentifiers': ListIdentifiers,
'Identify': Identify,
'ListMetadataFormats': ListMetadataFormats,
'ListSets': ListSets
}
try:
params = self._parseParams(flow_control=enable_flow_control, serviceid=service_id)
# If this is a special case where we are actually using OAI interface to serve basic harvest
if params.has_key("metadataPrefix") and params["metadataPrefix"] == "LR_JSON_0.10.0":
if params.has_key("identifier") == True:
params[self.REQUESTID] = params["identifier"]
if params.has_key("from") and isinstance(params["from"], datetime):
params["from"] = h.convertToISO8601Zformat(params["from"])
if params.has_key("until") and isinstance(params["until"], datetime):
params["until"] = h.convertToISO8601Zformat(params["until"])
return HarvestController.harvest(self, params, request.body, params['verb'].lower())
verb = params['verb']
response.headers['Content-Type'] = "text/xml; charset=utf-8"
return switch[verb](params)
except Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
return self._returnResponse(err.xml(e), res=t_res)
def _handleOAIRequest(self, format='html'):
t_req = request._current_obj()
t_res = response._current_obj()
o = oaipmh()
def GetRecord(params):
try:
from lr.mustache.oaipmh import GetRecord as must_GetRecord
identifier = params["identifier"]
if params["by_doc_ID"] == True:
docList = [o.get_record(params["identifier"])]
else:
docList = o.get_records_by_resource(params["identifier"])
doc_idx = 0
valid_docs = 0
mustache = must_GetRecord()
for doc in docList:
if doc is not None:
doc_idx += 1
if "payload_schema" in doc and params["metadataPrefix"] in doc["payload_schema"]:
valid_docs += 1
if valid_docs == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield self._returnResponse(part, res=t_res)
part = mustache.doc(doc)
yield self._returnResponse(part, res=t_res)
if doc_idx == 0:
raise IdDoesNotExistError(params['verb'], req=t_req)
elif valid_docs == 0:
raise CannotDisseminateFormatError(params['verb'], req=t_req)
else:
yield self._returnResponse(mustache.suffix(), res=t_res)
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield self._returnResponse(err.xml(e), res=t_res)
def ListIdentifiers(params):
try:
from lr.mustache.oaipmh import ListIdentifiers as must_ListID
doc_index = 0
mustache = must_ListID()
for ident in o.list_identifiers(params["metadataPrefix"],from_date=params["from"], until_date=params["until"] ):
doc_index += 1
log.debug(json.dumps(ident))
if doc_index == 1:
# self._initRender(params, c, t_req)
# part = t_render("/oaipmh-ListIdentifiers-prefix.mako")
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield self._returnResponse(part, res=t_res)
part = mustache.doc(ident)
yield part
if doc_index == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
else:
yield mustache.suffix()
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield self._returnResponse(err.xml(e), res=t_res)
except:
log.exception("Unable to render template")
def ListRecords(params):
try:
from lr.mustache.oaipmh import ListRecords as must_ListRec
doc_index = 0
mustache = must_ListRec()
for record in o.list_records(params["metadataPrefix"],from_date=params["from"], until_date=params["until"] ):
doc_index += 1
log.debug(json.dumps(record))
if doc_index == 1:
part = mustache.prefix(**self._initMustache(args=params, req=t_req))
yield self._returnResponse(part, res=t_res)
part = mustache.doc(record)
yield self._returnResponse(part, res=t_res)
if doc_index == 0:
raise NoRecordsMatchError(params['verb'], req=t_req)
else:
yield mustache.suffix()
except oaipmherrors.Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
yield self._returnResponse(err.xml(e), res=t_res)
except:
log.exception("Unable to render template")
def Identify(params=None):
body = ""
try:
self._initRender(params)
c.identify = o.identify()
body = render("/oaipmh-Identify.mako")
except Exception as e:
raise BadVerbError()
return self._returnResponse(body)
def ListMetadataFormats(params):
body = ""
try:
self._initRender(params)
fmts = o.list_metadata_formats(identity=params["identifier"], by_doc_ID=params["by_doc_ID"])
if len(fmts) == 0:
raise NoMetadataFormats(params["verb"])
c.formats = fmts
body = render("/oaipmh-ListMetadataFormats.mako")
return self._returnResponse(body)
except Error as e:
raise e
# except Exception as e:
# raise NoMetadataFormats(params["verb"])
def ListSets(params=None):
raise NoSetHierarchyError(verb)
def NotYetSupported(params=None):
raise BadVerbError()
switch = {
'GetRecord': GetRecord,
'ListRecords': ListRecords,
'ListIdentifiers': ListIdentifiers,
'Identify': Identify,
'ListMetadataFormats': ListMetadataFormats,
'ListSets': ListSets
}
try:
params = self._parseParams()
# If this is a special case where we are actually using OAI interface to serve basic harvest
if params.has_key("metadataPrefix") and params["metadataPrefix"] == "LR_JSON_0.10.0":
if params.has_key("identifier") == True:
params["request_id"] = params["identifier"]
return HarvestController.harvest(self, params, request.body, params['verb'].lower())
verb = params['verb']
return switch[verb](params)
except Error as e:
from lr.mustache.oaipmh import Error as err_stache
err = err_stache()
return self._returnResponse(err.xml(e), res=t_res)