$ virtualenv ./venv
$ ./venv/bin/pip install -r requirements.txt
$ ./venv/bin/python ./v.py
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Python JSON Schema validation example
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| appdirs==1.4.3 | |
| functools32==3.2.3.post2; python_version < '3.0' | |
| jsonschema==2.6.0 | |
| packaging==16.8 | |
| pycodestyle==2.3.1 | |
| pyparsing==2.2.0 | |
| simplejson==3.10.0 | |
| six==1.10.0 |
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| { | |
| "$schema": "http://json-schema.org/draft-04/schema#", | |
| "title": "InventoryItem", | |
| "type": "object", | |
| "properties": { | |
| "name": { | |
| "type": "string" | |
| }, | |
| "price": { | |
| "type": "number", | |
| "minimum": 0 | |
| }, | |
| "sku": { | |
| "description": "Stock Keeping Unit", | |
| "type": "integer" | |
| } | |
| }, | |
| "required": ["name", "price"] | |
| } |
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| import jsonschema | |
| import simplejson as json | |
| with open('schema-example.json', 'r') as f: | |
| schema_data = f.read() | |
| schema = json.loads(schema_data) | |
| json_obj = {"name": "eggs", "price": 21.47} | |
| jsonschema.validate(json_obj, schema) | |
| json_obj = {"name": "eggs", "price": "blue"} | |
| jsonschema.validate(json_obj, schema) | |
| # jsonschema.exceptions.ValidationError: 'blue' is not of type 'number' | |
| # | |
| # Failed validating 'type' in schema['properties']['price']: | |
| # {'type': 'number'} | |
| # | |
| # On instance['price']: | |
| # 'blue' |
remove name....
json_obj = {"price": 21.47}
jsonschema.validate(json_obj, schema)
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How can we test required?