def resolve(self, jref, parser=None):
""" JSON reference resolver
:param str jref: a JSON Reference, refer to http://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03 for details.
:param parser: the parser corresponding to target object.
:type parser: pyswagger.base.Context
:return: the referenced object, wrapped by weakref.ProxyType
:rtype: weakref.ProxyType
:raises ValueError: if path is not valid
"""
logger.info('resolving: [{0}]'.format(jref))
if jref == None or len(jref) == 0:
raise ValueError('Empty Path is not allowed')
obj = None
url, jp = utils.jr_split(jref)
# check cacahed object against json reference by
# comparing url first, and find those object prefixed with
# the JSON pointer.
o = self.__objs.get(url, None)
if o:
if isinstance(o, BaseObj):
obj = o.resolve(utils.jp_split(jp)[1:])
elif isinstance(o, dict):
for k, v in six.iteritems(o):
if jp.startswith(k):
obj = v.resolve(utils.jp_split(jp[len(k):])[1:])
break
else:
raise Exception('Unknown Cached Object: {0}'.format(
str(type(o))))
# this object is not found in cache
if obj == None:
if url:
obj, _ = self.load_obj(jref, parser=parser)
if obj:
obj = self.prepare_obj(obj, jref)
else:
# a local reference, 'jref' is just a json-pointer
if not jp.startswith('#'):
raise ValueError(
'Invalid Path, root element should be \'#\', but [{0}]'
.format(jref))
obj = self.root.resolve(utils.jp_split(
jp)[1:]) # heading element is #, mapping to self.root
if obj == None:
raise ValueError('Unable to resolve path, [{0}]'.format(jref))
if isinstance(obj, (six.string_types, six.integer_types, list, dict)):
return obj
return weakref.proxy(obj)
def resolve(self, jref, parser=None):
""" JSON reference resolver
:param str jref: a JSON Reference, refer to http://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03 for details.
:param parser: the parser corresponding to target object.
:type parser: pyswagger.base.Context
:return: the referenced object, wrapped by weakref.ProxyType
:rtype: weakref.ProxyType
:raises ValueError: if path is not valid
"""
logger.info('resolving: [{0}]'.format(jref))
if jref == None or len(jref) == 0:
raise ValueError('Empty Path is not allowed')
obj = None
url, jp = utils.jr_split(jref)
if url:
# check cacahed object against json reference by
# comparing url first, and find those object prefixed with
# the JSON pointer.
o = self.__objs.get(url, None)
if o:
if isinstance(o, BaseObj):
obj = o.resolve(utils.jp_split(jp)[1:])
elif isinstance(o, dict):
for k, v in six.iteritems(o):
if jp.startswith(k):
obj = v.resolve(utils.jp_split(jp[len(k):])[1:])
break
else:
raise Exception('Unknown Cached Object: {0}'.format(str(type(o))))
# this object is not loaded yet, load it
if obj == None:
obj, _ = self.load_obj(jref, parser=parser)
if obj:
obj = self.prepare_obj(obj, jref)
else:
# a local reference, 'jref' is just a json-pointer
if not jp.startswith('#'):
raise ValueError('Invalid Path, root element should be \'#\', but [{0}]'.format(jref))
obj = self.root.resolve(utils.jp_split(jp)[1:]) # heading element is #, mapping to self.root
if obj == None:
raise ValueError('Unable to resolve path, [{0}]'.format(jref))
if isinstance(obj, (six.string_types, six.integer_types, list, dict)):
return obj
return weakref.proxy(obj)
def resolve(self, jref, parser=None):
""" JSON reference resolver
:param str jref: a JSON Reference, refer to http://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03 for details.
:param parser: the parser corresponding to target object.
:type parser: pyswagger.base.Context
:return: the referenced object, wrapped by weakref.ProxyType
:rtype: weakref.ProxyType
:raises ValueError: if path is not valid
"""
logger.info('resolving: [{0}]'.format(jref))
if jref == None or len(jref) == 0:
raise ValueError('Empty Path is not allowed')
url, jp = utils.jr_split(jref)
if url:
if url not in self.__app_cache:
# This loaded SwaggerApp would be kept in app_cache.
app = SwaggerApp.load(url,
parser=parser,
app_cache=self.__app_cache,
url_load_hook=self.__url_load_hook)
app.prepare()
# nothing but only keeping a strong reference of
# loaded SwaggerApp.
self.__strong_refs.append(app)
return self.__app_cache[url].resolve(jp)
if not jp.startswith('#'):
raise ValueError(
'Invalid Path, root element should be \'#\', but [{0}]'.format(
jref))
obj = self.root.resolve(utils.jp_split(
jp)[1:]) # heading element is #, mapping to self.root
if obj == None:
raise ValueError('Unable to resolve path, [{0}]'.format(jref))
if isinstance(obj, (six.string_types, int, list, dict)):
return obj
return weakref.proxy(obj)
def test_json_pointer(self):
""" json pointer io function """
self.assertEqual(utils.jp_compose('/test'), '~1test')
self.assertEqual(utils.jp_compose('~test'), '~0test')
self.assertEqual(utils.jp_compose('/~test'), '~1~0test')
self.assertEqual(utils.jp_compose('a', 'b'), 'b/a')
self.assertEqual(utils.jp_compose(''), '')
self.assertEqual(utils.jp_compose(None, 'base'), 'base')
cs = ['~test1', '/test2', 'test3']
c = utils.jp_compose(cs, 'base')
self.assertEqual(c, 'base/~0test1/~1test2/test3')
self.assertEqual(utils.jp_split(c)[1:], cs)
self.assertEqual(utils.jp_split('~1test'), ['/test'])
self.assertEqual(utils.jp_split('~0test'), ['~test'])
self.assertEqual(utils.jp_split('~1~0test'), ['/~test'])
self.assertEqual(utils.jp_split(''), [])
self.assertEqual(utils.jp_split(None), [])
self.assertEqual(utils.jp_split('/~1~0test/qq/~0test/~1test/'), ['', '/~test', 'qq', '~test', '/test', ''])
def test_json_pointer(self):
""" json pointer io function """
self.assertEqual(utils.jp_compose('/test'), '~1test')
self.assertEqual(utils.jp_compose('~test'), '~0test')
self.assertEqual(utils.jp_compose('/~test'), '~1~0test')
self.assertEqual(utils.jp_compose('a', 'b'), 'b/a')
self.assertEqual(utils.jp_compose(''), '')
self.assertEqual(utils.jp_compose(None, 'base'), 'base')
cs = ['~test1', '/test2', 'test3']
c = utils.jp_compose(cs, 'base')
self.assertEqual(c, 'base/~0test1/~1test2/test3')
self.assertEqual(utils.jp_split(c)[1:], cs)
self.assertEqual(utils.jp_split('~1test'), ['/test'])
self.assertEqual(utils.jp_split('~0test'), ['~test'])
self.assertEqual(utils.jp_split('~1~0test'), ['/~test'])
self.assertEqual(utils.jp_split(''), [])
self.assertEqual(utils.jp_split(None), [])
self.assertEqual(utils.jp_split('/~1~0test/qq/~0test/~1test/'), ['', '/~test', 'qq', '~test', '/test', ''])
