1P@idZddlmZddlmZddlmZddlmZddlmZddlmZddlm Z d d l m Z d d l m Z d d l mZd d l mZerddlmZddlmZddlmZe deZeefZ Gdde j2ZeZGdde j2ZGdde j:ZGdde j2ZGdde j2Z GddeZ!Gd d!eZ"Gd"d#e j:Z#Gd$d%e j:Z$Gd&d'e j:Z%d,d(Z&e jNd)d-d*Z(y+).zSQLAlchemy ORM exceptions.) annotations)Any)Optional)Tuple)Type) TYPE_CHECKING)TypeVar)exc)util)MultipleResultsFound) NoResultFound)LoaderStrategy)MapperProperty) InstanceState_T)boundceZdZdZy)StaleDataErroraaAn operation encountered database state that is unaccounted for. Conditions which cause this to happen include: * A flush may have attempted to update or delete rows and an unexpected number of rows were matched during the UPDATE or DELETE statement. 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A refresh operation proceeds when an expired attribute is accessed on an object, or when :meth:`_query.Query.get` is used to retrieve an object which is, upon retrieval, detected as expired. A SELECT is emitted for the target row based on primary key; if no row is returned, this exception is raised. The true meaning of this exception is simply that no row exists for the primary key identifier associated with a persistent object. The row may have been deleted, or in some cases the primary key updated to a new value, outside of the ORM's management of the target object. r+Nctjj}|sd|j|z}tj j ||y)NzDInstance '%s' has been deleted, or its row is otherwise not present.)r r/r0 state_strsa_excInvalidRequestErrorr6)r7stater9r:s rr6zObjectDeletedError.__init__sH~~&&026..2GH  ""++D#6rc<|jd|jdffSr=r>rAs rrBzObjectDeletedError.__reduce__rCrrD)rVzInstanceState[Any]r9rFrGrIrrrrQrQs.&T./ 70 74rrQceZdZdZy)UnmappedColumnErrorz5Mapping operation was requested on an unknown column.NrrrrrYrYs?rrYc,eZdZdZ ddZy)LoaderStrategyExceptionz2A loader strategy for an attribute does not exist.c *|'tjj|d|d|y|Jtjj|dtj|d|dtj|dtj|d y)NzCan't find strategy z for z Can't apply "z" strategy to property "z", which is a "z7"; this loader strategy is intended to be used with a "z".)rTrUr6r clsname_as_plain_name)r7applied_to_property_typerequesting_property applies_toactual_strategy_type strategy_keys rr6z LoaderStrategyException.__init__s '  & & / /!46  ) ))  & & / / ../CD'../GH..z: rN) r^ Type[Any]r_zMapperProperty[Any]r`z#Optional[Type[MapperProperty[Any]]]razOptional[Type[LoaderStrategy]]rbzTuple[Any, ...])rrrrr6rrrr[r[s:<"+18  =  & rr[c dj|j|jf}|S#t$rt |dd}| t |}Y|SwxYw)N.r)joinrrAttributeErrorgetattrrepr)rNcls_names rr3r3s]!88S^^S\\:; O !3 D1  CyH O !s'+#AAr+ctjj} |j|j}t|}|sd|dSy#t t ftz$ri}Y.wxYw)Nr-r.) r r/r0manager_of_classmappersr4 TypeErrorNO_STATEr3)rNr:rmr;s rrMrMsw >> " "D'',44 # D o..     sA A&%A&N)rNrcrHstr)rNrcrHrF))r __future__rtypingrrrrrr r rTr r r interfacesrrrVrrrgKeyErrorroSQLAlchemyErrorrConcurrentModificationErrorr rUr"r$r&r*r4rQrYr[r3rJrMrrrrxs-!" &**$ T H %LV++2-;'';JF..Jf44F224M4< 4 4!433!4H@&44@f88B*+,r