def paths(self, source, dest):
types = self.__eco.agora.fountain.types
if dest not in types:
raise NotFoundError('{}'.format(dest))
if source not in types:
raise NotFoundError('{}'.format(source))
try:
return self.__eco.agora.fountain.get_paths(
dest,
force_seed=[
('<{}-uri>'.format(source.lower()).replace(':',
'-'), source)
])
except Exception as e:
raise GatewayError(e.message)
def delete_resource(self, uri):
try:
self.__eco.delete_resource(uri)
except AttributeError:
raise NotFoundError(uri)
except Exception as e:
raise GatewayError(e.message)
def get_resource(self, uri):
try:
return self.__eco.get_resource(uri)
except AttributeError:
raise NotFoundError(uri)
except Exception as e:
raise GatewayError(e.message)
def get_type(self, ty):
try:
return self.__eco.agora.fountain.get_type(ty)
except TypeError:
raise NotFoundError(ty)
except Exception as e:
raise GatewayError(e.message)
def get_property(self, pr):
try:
return self.__eco.agora.fountain.get_property(pr)
except TypeError:
raise NotFoundError(pr)
except Exception as e:
raise GatewayError(e.message)
def forget_extension(self, name):
if name not in self.__eco.extensions:
raise NotFoundError(name)
try:
self.__eco.delete_extension(name)
except Exception as e:
raise GatewayError(e.message)
def add_description(self, id, types):
try:
return self.__eco.add_description(id, types)
except TypeError as e:
raise NotFoundError(e.message)
except AttributeError as e:
raise ConflictError(e.message)
except Exception as e:
raise GatewayError(e.message)
def add_resource(self, uri, types):
try:
return self.__eco.add_resource(uri, types)
except TypeError as e:
raise NotFoundError(e.message)
except AttributeError as e:
raise ConflictError(e.message)
except Exception as e:
raise GatewayError(e.message)
def get_extension(self, eid):
if eid in self.__eco.extensions:
try:
return self.__eco.get_extension(eid)
except GatewayError as e:
raise e
except Exception as e:
raise GatewayError(e.message)
raise NotFoundError('{}?'.format(eid))
def add_mapping(eco_gw,
id,
amid,
predicate,
key,
jsonpath=None,
root=False,
transformed_by=None):
try:
td = eco_gw.get_description(id)
except AttributeError:
raise NotFoundError(id)
transform_td = None
if transformed_by:
try:
transform_td = eco_gw.get_description(transformed_by)
except AttributeError:
raise NotFoundError(transformed_by)
target_am = [
am for am in td.access_mappings
if str(am.id) == amid or am.endpoint.href.toPython() == amid
]
if not target_am:
raise NotFoundError(amid)
target_am = target_am.pop()
m = Mapping(
key=key,
predicate=URIRef(extend_uri(predicate,
eco_gw.agora.fountain.prefixes)),
root=root,
path=jsonpath,
transform=ResourceTransform(transform_td) if transform_td else None)
target_am.mappings.add(m)
g = td.to_graph(th_nodes={})
eco_gw.learn_descriptions(g)
return m
def delete_description(self, id):
try:
td = self.__eco.get_description(id)
except AttributeError:
td = None
if td is None:
raise NotFoundError('Unknown description: {}'.format(id))
try:
self.__eco.delete_description(id)
except Exception as e:
raise GatewayError(e.message)
def add_access_mapping(eco_gw, td_id, link):
# type: (EcoGateway, basestring, basestring) -> AccessMapping
td = eco_gw.get_description(td_id)
if not td:
raise NotFoundError(td_id)
endpoint_hrefs = map(lambda e: u'{}'.format(e.href), td.endpoints)
if link in endpoint_hrefs:
raise ConflictError('Link already mapped')
e = Endpoint(href=link)
am = AccessMapping(e)
td.add_access_mapping(am)
g = td.to_graph(th_nodes={})
eco_gw.learn_descriptions(g)
return am