1# orm/__init__.py 
    2# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors 
    3# <see AUTHORS file> 
    4# 
    5# This module is part of SQLAlchemy and is released under 
    6# the MIT License: https://www.opensource.org/licenses/mit-license.php 
    7 
    8""" 
    9Functional constructs for ORM configuration. 
    10 
    11See the SQLAlchemy object relational tutorial and mapper configuration 
    12documentation for an overview of how this module is used. 
    13 
    14""" 
    15 
    16from __future__ import annotations 
    17 
    18from typing import Any 
    19 
    20from . import exc as exc 
    21from . import mapper as mapperlib 
    22from . import strategy_options as strategy_options 
    23from ._orm_constructors import _mapper_fn as mapper 
    24from ._orm_constructors import aliased as aliased 
    25from ._orm_constructors import backref as backref 
    26from ._orm_constructors import clear_mappers as clear_mappers 
    27from ._orm_constructors import column_property as column_property 
    28from ._orm_constructors import composite as composite 
    29from ._orm_constructors import contains_alias as contains_alias 
    30from ._orm_constructors import create_session as create_session 
    31from ._orm_constructors import deferred as deferred 
    32from ._orm_constructors import dynamic_loader as dynamic_loader 
    33from ._orm_constructors import join as join 
    34from ._orm_constructors import mapped_column as mapped_column 
    35from ._orm_constructors import orm_insert_sentinel as orm_insert_sentinel 
    36from ._orm_constructors import outerjoin as outerjoin 
    37from ._orm_constructors import query_expression as query_expression 
    38from ._orm_constructors import relationship as relationship 
    39from ._orm_constructors import synonym as synonym 
    40from ._orm_constructors import with_loader_criteria as with_loader_criteria 
    41from ._orm_constructors import with_polymorphic as with_polymorphic 
    42from .attributes import AttributeEventToken as AttributeEventToken 
    43from .attributes import InstrumentedAttribute as InstrumentedAttribute 
    44from .attributes import QueryableAttribute as QueryableAttribute 
    45from .base import class_mapper as class_mapper 
    46from .base import DynamicMapped as DynamicMapped 
    47from .base import InspectionAttrExtensionType as InspectionAttrExtensionType 
    48from .base import LoaderCallableStatus as LoaderCallableStatus 
    49from .base import Mapped as Mapped 
    50from .base import NotExtension as NotExtension 
    51from .base import ORMDescriptor as ORMDescriptor 
    52from .base import PassiveFlag as PassiveFlag 
    53from .base import SQLORMExpression as SQLORMExpression 
    54from .base import WriteOnlyMapped as WriteOnlyMapped 
    55from .context import FromStatement as FromStatement 
    56from .context import QueryContext as QueryContext 
    57from .decl_api import add_mapped_attribute as add_mapped_attribute 
    58from .decl_api import as_declarative as as_declarative 
    59from .decl_api import declarative_base as declarative_base 
    60from .decl_api import declarative_mixin as declarative_mixin 
    61from .decl_api import DeclarativeBase as DeclarativeBase 
    62from .decl_api import DeclarativeBaseNoMeta as DeclarativeBaseNoMeta 
    63from .decl_api import DeclarativeMeta as DeclarativeMeta 
    64from .decl_api import declared_attr as declared_attr 
    65from .decl_api import has_inherited_table as has_inherited_table 
    66from .decl_api import mapped_as_dataclass as mapped_as_dataclass 
    67from .decl_api import MappedAsDataclass as MappedAsDataclass 
    68from .decl_api import registry as registry 
    69from .decl_api import synonym_for as synonym_for 
    70from .decl_api import TypeResolve as TypeResolve 
    71from .decl_api import unmapped_dataclass as unmapped_dataclass 
    72from .decl_base import MappedClassProtocol as MappedClassProtocol 
    73from .descriptor_props import Composite as Composite 
    74from .descriptor_props import CompositeProperty as CompositeProperty 
    75from .descriptor_props import Synonym as Synonym 
    76from .descriptor_props import SynonymProperty as SynonymProperty 
    77from .dynamic import AppenderQuery as AppenderQuery 
    78from .events import AttributeEvents as AttributeEvents 
    79from .events import InstanceEvents as InstanceEvents 
    80from .events import InstrumentationEvents as InstrumentationEvents 
    81from .events import MapperEvents as MapperEvents 
    82from .events import QueryEvents as QueryEvents 
    83from .events import RegistryEvents as RegistryEvents 
    84from .events import SessionEvents as SessionEvents 
    85from .identity import IdentityMap as IdentityMap 
    86from .instrumentation import ClassManager as ClassManager 
    87from .interfaces import EXT_CONTINUE as EXT_CONTINUE 
    88from .interfaces import EXT_SKIP as EXT_SKIP 
    89from .interfaces import EXT_STOP as EXT_STOP 
    90from .interfaces import InspectionAttr as InspectionAttr 
    91from .interfaces import InspectionAttrInfo as InspectionAttrInfo 
    92from .interfaces import MANYTOMANY as MANYTOMANY 
    93from .interfaces import MANYTOONE as MANYTOONE 
    94from .interfaces import MapperProperty as MapperProperty 
    95from .interfaces import NO_KEY as NO_KEY 
    96from .interfaces import NO_VALUE as NO_VALUE 
    97from .interfaces import ONETOMANY as ONETOMANY 
    98from .interfaces import PropComparator as PropComparator 
    99from .interfaces import RelationshipDirection as RelationshipDirection 
    100from .interfaces import UserDefinedOption as UserDefinedOption 
    101from .loading import merge_frozen_result as merge_frozen_result 
    102from .loading import merge_result as merge_result 
    103from .mapped_collection import attribute_keyed_dict as attribute_keyed_dict 
    104from .mapped_collection import ( 
    105    attribute_mapped_collection as attribute_mapped_collection, 
    106) 
    107from .mapped_collection import column_keyed_dict as column_keyed_dict 
    108from .mapped_collection import ( 
    109    column_mapped_collection as column_mapped_collection, 
    110) 
    111from .mapped_collection import keyfunc_mapping as keyfunc_mapping 
    112from .mapped_collection import KeyFuncDict as KeyFuncDict 
    113from .mapped_collection import mapped_collection as mapped_collection 
    114from .mapped_collection import MappedCollection as MappedCollection 
    115from .mapper import configure_mappers as configure_mappers 
    116from .mapper import Mapper as Mapper 
    117from .mapper import reconstructor as reconstructor 
    118from .mapper import validates as validates 
    119from .properties import ColumnProperty as ColumnProperty 
    120from .properties import MappedColumn as MappedColumn 
    121from .properties import MappedSQLExpression as MappedSQLExpression 
    122from .query import AliasOption as AliasOption 
    123from .query import Query as Query 
    124from .relationships import foreign as foreign 
    125from .relationships import Relationship as Relationship 
    126from .relationships import RelationshipProperty as RelationshipProperty 
    127from .relationships import remote as remote 
    128from .scoping import QueryPropertyDescriptor as QueryPropertyDescriptor 
    129from .scoping import scoped_session as scoped_session 
    130from .session import close_all_sessions as close_all_sessions 
    131from .session import make_transient as make_transient 
    132from .session import make_transient_to_detached as make_transient_to_detached 
    133from .session import object_session as object_session 
    134from .session import ORMExecuteState as ORMExecuteState 
    135from .session import Session as Session 
    136from .session import sessionmaker as sessionmaker 
    137from .session import SessionTransaction as SessionTransaction 
    138from .session import SessionTransactionOrigin as SessionTransactionOrigin 
    139from .state import AttributeState as AttributeState 
    140from .state import InstanceState as InstanceState 
    141from .strategy_options import contains_eager as contains_eager 
    142from .strategy_options import defaultload as defaultload 
    143from .strategy_options import defer as defer 
    144from .strategy_options import immediateload as immediateload 
    145from .strategy_options import joinedload as joinedload 
    146from .strategy_options import lazyload as lazyload 
    147from .strategy_options import Load as Load 
    148from .strategy_options import load_only as load_only 
    149from .strategy_options import noload as noload 
    150from .strategy_options import raiseload as raiseload 
    151from .strategy_options import selectin_polymorphic as selectin_polymorphic 
    152from .strategy_options import selectinload as selectinload 
    153from .strategy_options import subqueryload as subqueryload 
    154from .strategy_options import undefer as undefer 
    155from .strategy_options import undefer_group as undefer_group 
    156from .strategy_options import with_expression as with_expression 
    157from .unitofwork import UOWTransaction as UOWTransaction 
    158from .util import Bundle as Bundle 
    159from .util import CascadeOptions as CascadeOptions 
    160from .util import LoaderCriteriaOption as LoaderCriteriaOption 
    161from .util import object_mapper as object_mapper 
    162from .util import polymorphic_union as polymorphic_union 
    163from .util import was_deleted as was_deleted 
    164from .util import with_parent as with_parent 
    165from .writeonly import WriteOnlyCollection as WriteOnlyCollection 
    166from .. import util as _sa_util 
    167 
    168 
    169def __go(lcls: Any) -> None: 
    170    _sa_util.preloaded.import_prefix("sqlalchemy.orm") 
    171    _sa_util.preloaded.import_prefix("sqlalchemy.ext") 
    172 
    173 
    174__go(locals())