o !Zh@sdZddlmZddlmZddlmZddlmZddlmZddlmZddlm Z d d l m Z d d l m Zd d l m Z d dl mZd dl mZer^d dlmZd dlmZd dlmZe dedZeefZ GdddejZeZGdddejZGdddejZGdddejZ GdddejZ!Gdd d eZ"Gd!d"d"eZ#Gd#d$d$ejZ$Gd%d&d&ejZ%Gd'd(d(ejZ&d4d-d.Z'e (d/d5d1d2Z)d3S)6zSQLAlchemy ORM exceptions.) annotations)Any)Optional)Tuple)Type) TYPE_CHECKING)TypeVar)_mapper_property_as_plain_name)exc)util)MultipleResultsFound) NoResultFound)LoaderStrategy)MapperProperty) InstanceState_T)boundc@eZdZdZdS)StaleDataErroraaAn operation encountered database state that is unaccounted for. Conditions which cause this to happen include: * A flush may have attempted to update or delete rows and an unexpected number of rows were matched during the UPDATE or DELETE statement. Note that when version_id_col is used, rows in UPDATE or DELETE statements are also matched against the current known version identifier. * A mapped object with version_id_col was refreshed, and the version number coming back from the database does not match that of the object itself. * A object is detached from its parent object, however the object was previously attached to a different parent identity which was garbage collected, and a decision cannot be made if the new parent was really the most recent "parent". N__name__ __module__ __qualname____doc__rrI/var/www/html/lang_env/lib/python3.10/site-packages/sqlalchemy/orm/exc.pyr$rc@r) FlushErrorz0A invalid condition was detected during flush().Nrrrrrr@rrc@r) UnmappedErrorz?Base for exceptions that involve expected mappings not present.Nrrrrrr Drr c@r)ObjectDereferencedErrorzPAn operation cannot complete due to an object being garbage collected. Nrrrrrr!Hrr!c@seZdZdZdZdS)DetachedInstanceErrorzSAn attempt to access unloaded attributes on a mapped instance that is detached.Zbhk3N)rrrrcoderrrrr"Osr"c@0eZdZdZeddddd Zdd d ZdS)UnmappedInstanceErrorz;An mapping operation was requested for an unknown instance.sqlalchemy.orm.baseNobjobjectmsg Optional[str]cCstjj}|srrrrr%Vs r%c@s&eZdZdZd dddZdd d ZdS)r1z8An mapping operation was requested for an unknown class.NclsType[_T]r)r*cCs|st|}t||dSr@)_default_unmappedr r3)r4rDr)rrrr3wszUnmappedClassError.__init__r7rcCr8r9r:r=rrrr>|r?zUnmappedClassError.__reduce__r@)rDrEr)r*rA)rrrrr3r>rrrrr1ts r1c@r$)ObjectDeletedErroraA refresh operation failed to retrieve the database row corresponding to an object's known primary key identity. A refresh operation proceeds when an expired attribute is accessed on an object, or when :meth:`_query.Query.get` is used to retrieve an object which is, upon retrieval, detected as expired. A SELECT is emitted for the target row based on primary key; if no row is returned, this exception is raised. The true meaning of this exception is simply that no row exists for the primary key identifier associated with a persistent object. The row may have been deleted, or in some cases the primary key updated to a new value, outside of the ORM's management of the target object. r&NstateInstanceState[Any]r)r*cCs,tjj}|s d||}tj||dS)NzDInstance '%s' has been deleted, or its row is otherwise not present.)r r-r.Z state_strsa_excInvalidRequestErrorr3)r4rHr)r5rrrr3szObjectDeletedError.__init__r7rcCr8r9r:r=rrrr>r?zObjectDeletedError.__reduce__r@)rHrIr)r*rArBrrrrrGs  rGc@r)UnmappedColumnErrorz5Mapping operation was requested on an unknown column.NrrrrrrLrrLc@seZdZdZdd d ZdS)LoaderStrategyExceptionz2A loader strategy for an attribute does not exist.applied_to_property_type Type[Any]requesting_propertyMapperProperty[Any] applies_to#Optional[Type[MapperProperty[Any]]]actual_strategy_typeOptional[Type[LoaderStrategy]] strategy_keyTuple[Any, ...]c CsZ|durtj|d||fdS|dusJtj|dt||t|t|fdS)NzCan't find strategy %s for %szuCan't apply "%s" strategy to property "%s", which is a "%s"; this loader strategy is intended to be used with a "%s".)rJrKr3r Zclsname_as_plain_namer )r4rNrPrRrTrVrrrr3s$ z LoaderStrategyException.__init__N) rNrOrPrQrRrSrTrUrVrW)rrrrr3rrrrrMsrMrDrOr7strcCsPz d|j|jf}W|Sty't|dd}|dur$t|}Y|SY|Sw)N.r)joinrrAttributeErrorgetattrrepr)rDcls_namerrrr0s  r0r&r*c CsTtjj}z||j}Wnttftyi}Ynwt|}|s(d|dSdS)Nr+r,) r r-r.Zmanager_of_classmappersr1 TypeErrorNO_STATEr0)rDr5r_r6rrrrFs  rFN)rDrOr7rX)rDrOr7r*)*r __future__rtypingrrrrrrr r r rJrrZ interfacesrrrHrrr[KeyErrorraZSQLAlchemyErrorrZConcurrentModificationErrorrrKr r!r"r%r1rGrLrMr0rCrFrrrrsD                 $ !