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schema

Simple data validation library for Python

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About

Simple data validation library

Commands

schema

Examples

Validate a dictionary against a schema definition

$ python -c "from schema import Schema; s = Schema({'name': str, 'age': int}); print(s.validate({'name': 'John', 'age': 30}))"

Validate a list of items with optional fields

$ python -c "from schema import Schema, Optional; s = Schema({'id': int, Optional('email'): str}); print(s.validate({'id': 1}))"

Catch validation errors and handle them

$ python -c "from schema import Schema, SchemaError; s = Schema(int); 
try:
    s.validate('invalid')
except SchemaError as e:
    print(f'Validation error: {e}')"