python-dto-mappers¶

DTO mapping with type safety, auto-mapping, and field transformations.

Installation¶

pip install python-dto-mappers

Symbol	Purpose
`Mapper[S, T]`	Protocol for type-safe mapping
`BaseMapper[S, T]`	Base mapper with type info
`AutoMapper`	Field-matching auto-mapper
`auto_map` decorator	Decorator for auto-mapping
`field_transform` decorator	Mark method as field transform
`extract_changed_fields(original, update)`	PATCH partial updates
`chain_map(source, through)`	Chain multiple mappings

Function	Purpose
`map_datetime_to_iso(dt)`	datetime to ISO string
`map_iso_to_datetime(s)`	ISO string to datetime
`map_nested_object(obj, mapper)`	Map nested objects
`to_upper/to_lower/to_sentence_case/to_title_case`	Text transforms

from python_dto_mappers import AutoMapper

mapper = AutoMapper(UserEntity, UserDTO)
dto = mapper.map(entity)