Simplify runtime package structure (#490)

* Refactor runtime exec engine package

* Move util module into core package

* Move type system module into core package

* Move logging module into core package

* Move validation module into core package

* Move guard rails module into core package

* Move shim loader module into core package

* Move data module into core package

* Move storage module into core package

* Move schemas module into core package

* Move repos and models modules into core package

* Move config parser into core module

* Remove from __future__ annotations

* Rename core test package

* Enabled garbled read test for Arrow CSV parser (appears fixed in Arrow at some point)

* Put grpc tests in grpc package

* Update packages list in setup.cfg

* Update reference to gRPC src files in build_runtime script

Author: martin-traverse

tracdap-runtime/python/build_runtime.py

@@ -153,7 +153,7 @@ def move_generated_into_src():
     # Update reference to gRPC generated classes in server.py
 
     grpc_src_files = [
-        "src/tracdap/rt/_exec/server.py",
+        "src/tracdap/rt/_impl/grpc/server.py",
         "src/tracdap/rt/_impl/grpc/codec.py"
     ]
 

tracdap-runtime/python/setup.cfg

@@ -39,8 +39,9 @@ packages =
     tracdap.rt.config
     tracdap.rt.launch
     tracdap.rt.ext
-    tracdap.rt._exec
     tracdap.rt._impl
+    tracdap.rt._impl.core
+    tracdap.rt._impl.exec
     tracdap.rt._impl.ext
     tracdap.rt._impl.grpc
     tracdap.rt._impl.grpc.tracdap