def resolving(self, ref):
"""
Context manager which resolves a JSON ``ref`` and enters the
resolution scope of this ref.
:argument str ref: reference to resolve
"""
full_uri = urljoin(self.resolution_scope, ref)
uri, fragment = urldefrag(full_uri)
if not uri:
uri = self.base_uri
if uri in self.store:
document = self.store[uri]
else:
try:
document = self.resolve_remote(uri)
except Exception as exc:
raise RefResolutionError(exc)
old_base_uri, self.base_uri = self.base_uri, uri
try:
with self.in_scope(uri):
yield self.resolve_fragment(document, fragment)
finally:
self.base_uri = old_base_uri
def resolving(self, ref):
"""
Context manager which resolves a JSON ``ref`` and enters the
resolution scope of this ref.
:argument str ref: reference to resolve
"""
full_uri = urljoin(self.resolution_scope, ref)
uri, fragment = urldefrag(full_uri)
if not uri:
uri = self.base_uri
if uri in self.store:
document = self.store[uri]
else:
try:
document = self.resolve_remote(uri)
except Exception as exc:
raise RefResolutionError(exc)
old_base_uri, self.base_uri = self.base_uri, uri
try:
with self.in_scope(uri):
yield self.resolve_fragment(document, fragment)
finally:
self.base_uri = old_base_uri
def in_scope(self, scope):
old_scope = self.resolution_scope
self.resolution_scope = urljoin(old_scope, scope)
try:
yield
finally:
self.resolution_scope = old_scope
def in_scope(self, scope):
old_scope = self.resolution_scope
self.resolution_scope = urljoin(old_scope, scope)
try:
yield
finally:
self.resolution_scope = old_scope
def urljoin_with_custom_scheme(*args, **kwargs):
"""Patch urljoin call when using local store with custom schemes.
Allows using custom schemes by extending urllib.parse
configuration (work-around suggested in
https://bugs.python.org/issue18828). This patch won't
be needed once https://github.com/Julian/jsonschema/issues/649
gets fixed.
"""
for arg in args:
if isinstance(arg, str) and "://" in arg:
scheme = arg.split("://")[0]
if scheme not in urllib.parse.uses_relative:
urllib.parse.uses_relative.append(scheme)
if scheme not in urllib.parse.uses_netloc:
urllib.parse.uses_netloc.append(scheme)
return urljoin(*args, **kwargs)
