'[fb ddlmZddlZddlZddlmZddl m Z ddl m Z ejrddlmZGdde jZddZddZdS)) annotationsN)app_ctx) SQLAlchemyc8eZdZdZdfd Z ddfd ZxZS)SessionaA SQLAlchemy :class:`~sqlalchemy.orm.Session` class that chooses what engine to use based on the bind key associated with the metadata associated with the thing being queried. To customize ``db.session``, subclass this and pass it as the ``class_`` key in the ``session_options`` to :class:`.SQLAlchemy`. .. versionchanged:: 3.0 Renamed from ``SignallingSession``. dbrkwargst.AnyreturnNonec Vtjdi|||_i|_dS)N)super__init___db_model_changes)selfr r __class__s L/var/www/piapp/venv/lib/python3.11/site-packages/flask_sqlalchemy/session.pyrzSession.__init__s5""6"""?ANmapper t.Any | Noneclausebind.sa.engine.Engine | sa.engine.Connection | None'sa.engine.Engine | sa.engine.Connectionc ||S|jj}|| tj|}nM#tj$r;}t |tr tj ||d}~wwxYwt|j |}||S|t||}||Sd|vr|dStjd|||d|S)aSelect an engine based on the ``bind_key`` of the metadata associated with the model or table being queried. If no bind key is set, uses the default bind. .. versionchanged:: 3.0.3 Fix finding the bind for a joined inheritance model. .. versionchanged:: 3.0 The implementation more closely matches the base SQLAlchemy implementation. .. versionchanged:: 2.1 Support joining an external transaction. N)rrrr)renginessainspectsa_excNoInspectionAvailable isinstancetypesa_ormexcUnmappedClassError_clause_to_engine local_tablerget_bind) rrrrr reenginers rr+zSession.get_binds&  K("   F++/   fd++G *77??QF   'v'97CCF!  &vw77F! 7??4= uwwRvf4RR6RRRs*A46A//A4)r rr r r r )NNN) rrrrrrr r r r)__name__ __module__ __qualname____doc__rr+ __classcell__)rs@rrrs  BBBBBB $#?C /S/S/S/S/S/S/S/S/S/S/Srrrsa.ClauseElement | Noner't.Mapping[str | None, sa.engine.Engine]r sa.engine.Engine | NonecTd}|]t|tjr|}n@t|tjr&t|jtjr|j}|Dd|jjvr6|jjd}||vrtjd|d||SdS)zeIf the clause is a table, return the engine associated with the table's metadata's bind key. Nbind_keyz Bind key 'z&' is not in 'SQLALCHEMY_BINDS' config.) r$r Table UpdateBasetablemetadatainfor"UnboundExecutionError)rrr:keys rr)r)Qs E  fbh ' ' !EE  . . !:flBH3U3U !LE Z5>+>>>n!*- g  .HSHHH s| 4rintcBttjS)zJGet the id of the current Flask application context for the session scope.)idr_get_current_objectrrr _app_ctx_idrCms g)++ , ,,r)rr3rr4r r5)r r?) __future__rtypingt sqlalchemyr sqlalchemy.excr'r"sqlalchemy.ormormr& flask.globalsr TYPE_CHECKING extensionrrr)rCrrrrNs""""""!!!!!!?&%%%%%%@S@S@S@S@Sfn@S@S@SF8------r