Openapi-schema-validator is a Python library that validates schema against the OpenAPI Schema Specification v3.0 which is an extended subset of the JSON Schema Specification Wright Draft 00.
Recommended way (via pip):
$ pip install openapi-schema-validator
Alternatively you can download the code and install from the repository:
$ pip install -e git+https://github.com/p1c2u/openapi-schema-validator.git#egg=openapi_schema_validatorSimple usage
from openapi_schema_validator import validate
# A sample schema
schema = {
"type" : "object",
"required": [
"name"
],
"properties": {
"name": {
"type": "string"
},
"age": {
"type": "integer",
"format": "int32",
"minimum": 0,
"nullable": True,
},
"birth-date": {
"type": "string",
"format": "date",
}
},
"additionalProperties": False,
}
# If no exception is raised by validate(), the instance is valid.
validate({"name": "John", "age": 23}, schema)
validate({"name": "John", "city": "London"}, schema)
Traceback (most recent call last):
...
ValidationError: Additional properties are not allowed ('city' was unexpected)You can also check format for primitive types
from openapi_schema_validator import oas30_format_checker
validate({"name": "John", "birth-date": "-12"}, schema, format_checker=oas30_format_checker)
Traceback (most recent call last):
...
ValidationError: '-12' is not a 'date'
