def __call__(self, schema, pointer, spec=None):
try:
spec = schema.get('$schema', spec or self.spec)
compiler = self.compilers[spec]
except KeyError:
raise CompilationError('{!r} not registered'.format(spec), schema)
registry = LocalRegistry(schema, self.provider)
local = DocumentPointer(pointer)
if local.document:
registry[local.document] = schema
local.document = '<local>'
context = Context(self, registry, spec, self.formats)
return compiler(schema, pointer, context)
def __call__(self, schema, pointer, spec=None):
try:
spec = schema.get('$schema', spec or self.spec)
compiler = self.compilers[spec]
except KeyError:
raise CompilationError('{!r} not registered'.format(spec), schema)
registry = LocalRegistry(schema, self.provider)
local = DocumentPointer(pointer)
if local.document:
registry[local.document] = schema
local.document = '<local>'
context = Context(self, registry, spec, self.formats)
return compiler(schema, pointer, context)
def resolve(obj, pointer, registry=None):
"""resolve a local object
:param obj: the local object.
:param pointer: the pointer
:type pointer: DocumentPointer, str
:param registry: the registry.
It mays be omited if inner json references
document don't refer to other documents.
:type registry: Provider, dict
.. warning::
Once pointer is extracted, it won't follow sub mapping /element!
For example, the value of::
value = resolve({
'foo': {'$ref': '#/bar'},
'bar': [{'$ref': '#/baz'}],
'baz': 'quux',
}, '#/foo')
is::
assert value == [{'$ref': '#/baz'}]
and not::
assert value == ['quux']
"""
registry = LocalRegistry(obj, registry or {})
local = DocumentPointer(pointer)
if local.document:
registry[local.document] = obj
local.document = '<local>'
return registry.resolve(local)
