schema.py 文件源码

def iter_schemas(marshmallow_schema):
    """
    Build zero or more JSON schemas for a marshmallow schema.

    Generates: name, schema pairs.

    """
    if not marshmallow_schema:
        return

    base_schema = build_schema(marshmallow_schema)
    base_schema_name = type_name(name_for(marshmallow_schema))
    yield base_schema_name, base_schema

    for name, field in iter_fields(marshmallow_schema):
        if isinstance(field, fields.Nested):
            nested_schema = build_schema(field.schema)
            nested_schema_name = type_name(name_for(field.schema))
            yield nested_schema_name, nested_schema
            for subname, subfield in iter_schemas(field.schema):
                yield subname, subfield
        if isinstance(field, fields.List) and isinstance(field.container, fields.Nested):
            nested_schema = build_schema(field.container.schema)
            nested_schema_name = type_name(name_for(field.container.schema))
            yield nested_schema_name, nested_schema
            for subname, subfield in iter_schemas(field.container.schema):
                yield subname, subfield