def is_accept_hdr_rdf_parsable():
'''
Check if any of the 'Accept' header values provided is a RDF parsable
format.
'''
for mimetype in request.accept_mimetypes.values():
if LdpFactory.is_rdf_parsable(mimetype):
return True
return False
def put_resource(uid):
"""
https://www.w3.org/TR/ldp/#ldpr-HTTP_PUT
Add or replace a new resource at a specified URI.
"""
# Parse headers.
logger.debug('Request headers: {}'.format(request.headers))
rsp_headers = {'Content-Type': 'text/plain; charset=utf-8'}
handling, disposition = set_post_put_params()
stream, mimetype = _bistream_from_req()
if LdpFactory.is_rdf_parsable(mimetype):
# If the content is RDF, localize in-repo URIs.
global_rdf = stream.read()
local_rdf = g.tbox.localize_payload(global_rdf)
graph = Graph().parse(data=local_rdf,
format=mimetype,
publicID=nsc['fcres'][uid])
stream = mimetype = None
else:
graph = None
try:
evt = rsrc_api.create_or_replace(uid,
stream=stream,
mimetype=mimetype,
graph=graph,
handling=handling,
disposition=disposition)
except (InvalidResourceError, ResourceExistsError) as e:
return str(e), 409
except (ServerManagedTermError, SingleSubjectError) as e:
return str(e), 412
except IncompatibleLdpTypeError as e:
return str(e), 415
except TombstoneError as e:
return _tombstone_response(e, uid)
uri = g.tbox.uid_to_uri(uid)
if evt == RES_CREATED:
rsp_code = 201
rsp_headers['Location'] = rsp_body = uri
if mimetype and not graph:
rsp_headers['Link'] = (
'<{0}/fcr:metadata>; rel="describedby"'.format(uri))
else:
rsp_code = 204
rsp_body = ''
return rsp_body, rsp_code, rsp_headers
def post_resource(parent_uid):
"""
https://www.w3.org/TR/ldp/#ldpr-HTTP_POST
Add a new resource in a new URI.
"""
out_headers = std_headers
try:
slug = request.headers['Slug']
logger.debug('Slug: {}'.format(slug))
except KeyError:
slug = None
handling, disposition = set_post_put_params()
stream, mimetype = _bistream_from_req()
if LdpFactory.is_rdf_parsable(mimetype):
# If the content is RDF, localize in-repo URIs.
global_rdf = stream.read()
local_rdf = g.tbox.localize_payload(global_rdf)
stream = BytesIO(local_rdf)
is_rdf = True
else:
is_rdf = False
try:
uid = rsrc_api.create(parent_uid,
slug,
stream=stream,
mimetype=mimetype,
handling=handling,
disposition=disposition)
except ResourceNotExistsError as e:
return str(e), 404
except InvalidResourceError as e:
return str(e), 409
except TombstoneError as e:
return _tombstone_response(e, uid)
except ServerManagedTermError as e:
return str(e), 412
uri = g.tbox.uid_to_uri(uid)
hdr = {'Location': uri}
if mimetype and not is_rdf:
hdr['Link'] = '<{0}/fcr:metadata>; rel="describedby"; anchor="<{0}>"'\
.format(uri)
out_headers.update(hdr)
return uri, 201, out_headers