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Description:

vjson 0.1

vjson
0.1.0
vjson creates an object to serialize the only of the type specified in JSONSchema. It works like a json module.

install
Next, execute command.:
$ pip install vjson

How to use
You define an object using JSONSchema.:
>>> import vjson
>>> _json = vjson.ValidatedJSON({
... 'type': 'object',
... 'properties': {
... 'price': {'type': 'number'},
... 'name': {'type': 'string'},
... },
... })
This object can dumps/loads()/dump()/load() the serializable object, as in the json module.:
>>> _json.loads('{"name" : "Eggs", "price" : 34.99}')
{'name': 'Eggs', 'price': 34.99}
>>> _json.dumps({"name": "Eggs", "price": 34.99})
'{"name": "Eggs", "price": 34.99}'
If you try to pass the data that violates the JSONSchema that was specified in the constructor, it raises a vjson.JSONValidationError.:
>>> _json.loads('{"name" : "Eggs", "price" : "34.99"}')
Traceback (most recent call last):
File "/tmp/test/var/src/develop/vjson/src/vjson/__init__.py", line 32, in _wrap
jsonschema.validate(data, schema)
File "/tmp/test/env/lib/python3.4/site-packages/jsonschema/validators.py", line 478, in validate
cls(schema, *args, **kwargs).validate(instance)
File "/tmp/test/env/lib/python3.4/site-packages/jsonschema/validators.py", line 123, in validate
raise error
jsonschema.exceptions.ValidationError: '34.99' is not of type 'number'

Failed validating 'type' in schema['properties']['price']:
{'type': 'number'}

On instance['price']:
'34.99'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/tmp/test/var/src/develop/vjson/src/vjson/__init__.py", line 34, in _wrap
raise JSONValidationError(err)
vjson.JSONValidationError: '34.99' is not of type 'number'

Failed validating 'type' in schema['properties']['price']:
{'type': 'number'}

On instance['price']:
'34.99'
>>>