etlplus.ops.validate

etlplus.ops.validate module.

Validate dicts/lists with field rules and documents with external schemas.

This module provides a very small validation primitive that is intentionally runtime-friendly (no heavy schema engines) and pairs with ETLPlus’ JSON-like types. It focuses on clear error messages and predictable behavior.

Highlights

Centralized type map and helpers for clarity and reuse.
Consistent error wording; field and item paths like [2].email.
Small, focused public API with validate_field(), validate(),
and validate_schema().

Examples

>>> rules = {
...     'name': {'required': True, 'type': 'string', 'minLength': 1},
...     'age': {'type': 'integer', 'min': 0},
... }
>>> data = {'name': 'Ada', 'age': 28}
>>> validate(data, rules)['valid']
True

Functions

`validate_field`(value, rules)	Validate a single value against field rules.
`validate_schema`(source, schema, *[, ...])	Validate one source document against one external schema.
`validate`(source[, rules])	Validate data against rules.

Classes

`FieldRulesDict`	Validation rules for a single field.
`FieldValidationDict`	Validation result for a single field.
`ValidationDict`	Validation result for a complete data structure.