support direct invocation with AssetExecutionContext

[jamiedemaria]

Summary & Motivation

updates build_asset_context so that it creates a subclass of AssetExecutionContext

I'm not very familiar with this part of the code base. My general approach was to follow where UnboudOpExecutionContext and BoundOpExecutionContext are used and update them to also support Unbound and BoundAssetExecutionContext.

How I Tested These Changes

[jamiedemaria]

Current dependencies on/for this PR:

• master
  • PR update build_op_context to build_asset_context where relevant #16673
    • PR Only have one kind of context for direct invocation #17554
      • PR deprecate methods on AssetExecutionContext that can be found via the DagsterRun object #17339
        • PR support Asset and Op ExecutionContexts in standard execution path #17972
          • PR [wip] add AssetExecutionContext to direct invocation #18044
    • PR support direct invocation with AssetExecutionContext #16635 👈
      • PR test AssetExecutionContext subclass deprecations #16598

This stack of pull requests is managed by Graphite.

[schrockn]

isn't even worth doing all the casting at this point? Seems like the typechecker will be totally confused as to what type "context" is anyways.

From brief inspection it appears the only requirement of the context local variable is that it have a bind method, so it you really want that typed you can introduce an interface that has this, but this looks like mostly pointless, unnecessary gymnastics to appease typechecking gods, unless I am misreading this

[jamiedemaria]

Having this interface be a child of OpExecutionContext feels shady, but it's the only way i was able to find to make the type checker happy.

When AssetExecutionContext eventually splits from OpExecutionContext there will be a good amount of work to do to make the path through op_invocation.py happy with the two types

[jamiedemaria]

converting to draft to get out of review queues. will need to re-open or open a similar PR when method deprecations for Asset context start

[jamiedemaria]

#18044 replaces this