def convert(namein, nameout, indent=2):
"""resolve the references of namein, save the result in nameout"""
jsn = None
with open(namein) as file:
jsn = json.load(file)
v = resolve_ref(jsn, base=jsn)
x = jsonpointer.resolve_pointer(v, '/notebook')
with open(nameout, 'w') as file:
json.dump(x, file, indent=indent)
def convert(namein, nameout, indent=2):
"""resolve the references of namein, save the result in nameout"""
jsn = None
with open(namein) as file :
jsn = json.load(file)
v = resolve_ref(jsn, base=jsn)
x = jsonpointer.resolve_pointer(v, '/notebook')
with open(nameout,'w') as file:
json.dump(x,file,indent=indent)
def nbvalidate(nbjson, schema='v3.withref.json', key=None, verbose=True):
v3schema = resolve_ref(json.load(open(schema, 'r')))
if key:
v3schema = jsonpointer.resolve_pointer(v3schema, key)
errors = 0
v = Draft3Validator(v3schema)
for error in v.iter_errors(nbjson):
errors = errors + 1
if verbose:
print(error)
return errors
def nbvalidate(nbjson, schema='v3.withref.json', key=None,verbose=True):
v3schema = resolve_ref(json.load(open(schema,'r')))
if key :
v3schema = jsonpointer.resolve_pointer(v3schema,key)
errors = 0
v = Draft3Validator(v3schema);
for error in v.iter_errors(nbjson):
errors = errors + 1
if verbose:
print(error)
return errors
def validate(nbjson):
"""Checks whether the given notebook JSON conforms to the current
notebook format schema, and returns the list of errors.
"""
# load the schema file
with open(schema_path, 'r') as fh:
schema_json = json.load(fh)
# resolve internal references
v3schema = resolve_ref(schema_json)
v3schema = jsonpointer.resolve_pointer(v3schema, '/notebook')
# count how many errors there are
v = Draft3Validator(v3schema)
errors = list(v.iter_errors(nbjson))
return errors
def validate(nbjson):
"""Checks whether the given notebook JSON conforms to the current
notebook format schema, and returns the list of errors.
"""
# load the schema file
with open(schema_path, 'r') as fh:
schema_json = json.load(fh)
# resolve internal references
v3schema = resolve_ref(schema_json)
v3schema = jsonpointer.resolve_pointer(v3schema, '/notebook')
# count how many errors there are
v = Draft3Validator(v3schema)
errors = list(v.iter_errors(nbjson))
return errors
def resolve_ref(json, schema=None):
"""Resolve internal references within the given JSON. This essentially
means that dictionaries of this form:
{"$ref": "/somepointer"}
will be replaced with the resolved reference to `/somepointer`.
This only supports local reference to the same JSON file.
"""
if not schema:
schema = json
# if it's a list, resolve references for each item in the list
if type(json) is list:
resolved = []
for item in json:
resolved.append(resolve_ref(item, schema=schema))
# if it's a dictionary, resolve references for each item in the
# dictionary
elif type(json) is dict:
resolved = {}
for key, ref in iteritems(json):
# if the key is equal to $ref, then replace the entire
# dictionary with the resolved value
if key == '$ref':
if len(json) != 1:
raise SchemaError(
"objects containing a $ref should only have one item")
pointer = jsonpointer.resolve_pointer(schema, ref)
resolved = resolve_ref(pointer, schema=schema)
else:
resolved[key] = resolve_ref(ref, schema=schema)
# otherwise it's a normal object, so just return it
else:
resolved = json
return resolved
def resolve_ref(json, schema=None):
"""Resolve internal references within the given JSON. This essentially
means that dictionaries of this form:
{"$ref": "/somepointer"}
will be replaced with the resolved reference to `/somepointer`.
This only supports local reference to the same JSON file.
"""
if not schema:
schema = json
# if it's a list, resolve references for each item in the list
if type(json) is list:
resolved = []
for item in json:
resolved.append(resolve_ref(item, schema=schema))
# if it's a dictionary, resolve references for each item in the
# dictionary
elif type(json) is dict:
resolved = {}
for key, ref in iteritems(json):
# if the key is equal to $ref, then replace the entire
# dictionary with the resolved value
if key == '$ref':
if len(json) != 1:
raise SchemaError(
"objects containing a $ref should only have one item")
pointer = jsonpointer.resolve_pointer(schema, ref)
resolved = resolve_ref(pointer, schema=schema)
else:
resolved[key] = resolve_ref(ref, schema=schema)
# otherwise it's a normal object, so just return it
else:
resolved = json
return resolved
def resolve_ref(json, base=None):
"""return a json with resolved internal references
only support local reference to the same json
"""
if not base :
base = json
if type(json) is list:
temp = []
for item in json:
temp.append(resolve_ref(item, base=base))
elif type(json) is dict:
temp = {}
for key, value in iteritems(json):
if key == '$ref':
return resolve_ref(jsonpointer.resolve_pointer(base, value), base=base)
else:
temp[key] = resolve_ref(value, base=base)
else:
return json
return temp
def resolve_ref(json, base=None):
"""return a json with resolved internal references
only support local reference to the same json
"""
if not base :
base = json
temp = None
if type(json) is list:
temp = [];
for item in json:
temp.append(resolve_ref(item, base=base))
elif type(json) is dict:
temp = {};
for key,value in json.iteritems():
if key == '$ref':
return resolve_ref(jsonpointer.resolve_pointer(base,value), base=base)
else :
temp[key]=resolve_ref(value, base=base)
else :
return json
return temp
