Bump sqlalchemy from 1.4.36 to 2.0.2

[dependabot]

Bumps sqlalchemy from 1.4.36 to 2.0.2.

Release notes

Sourced from sqlalchemy's releases.

2.0.2

Released: February 6, 2023

orm

• [orm] [usecase] Added new event hook _orm.MapperEvents.after_mapper_constructed(), which supplies an event hook to take place right as the _orm.Mapper object has been fully constructed, but before the _orm.registry.configure() call has been called. This allows code that can create additional mappings and table structures based on the initial configuration of a _orm.Mapper, which also integrates within Declarative configuration. Previously, when using Declarative, where the _orm.Mapper object is created within the class creation process, there was no documented means of running code at this point. The change is to immediately benefit custom mapping schemes such as that of the examples_versioned_history example, which generate additional mappers and tables in response to the creation of mapped classes.

  References: #9220

• [orm] [usecase] The infrequently used _orm.Mapper.iterate_properties attribute and _orm.Mapper.get_property() method, which are primarily used internally, no longer implicitly invoke the _orm.registry.configure() process. Public access to these methods is extremely rare and the only benefit to having _orm.registry.configure() would have been allowing "backref" properties be present in these collections. In order to support the new _orm.MapperEvents.after_mapper_constructed() event, iteration and access to the internal _orm.MapperProperty objects is now possible without triggering an implicit configure of the mapper itself.

  The more-public facing route to iteration of all mapper attributes, the _orm.Mapper.attrs collection and similar, will still implicitly invoke the _orm.registry.configure() step thus making backref attributes available.

  In all cases, the _orm.registry.configure() is always available to be called directly.

  References: #9220

• [orm] [bug] [regression] Fixed obscure ORM inheritance issue caused by #8705 where some scenarios of inheriting mappers that indicated groups of columns from the local table and the inheriting table together under a _orm.column_property() would nonetheless warn that properties of the same name were being combined implicitly.

  References: #9232

... (truncated)

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[dependabot]

Superseded by #62.