refactor: Rework the structure of the GraphQL exporter

Signed-off-by: Daniel Alvarez-Coello <[email protected]>

pyproject.toml

@@ -18,6 +18,8 @@ dependencies = [
     "rich-click>=1.8.3",
     "rich>=13.9.4",
     "ruff>=0.7.3",
+    "graphene>=3.4.3",
+    "pandas>=2.2.3",
 ]
 authors = [
 {name="COVESA VSS", email="[email protected]"}

src/vss_tools/datatypes.py

@@ -5,15 +5,21 @@
 # https://www.mozilla.org/en-US/MPL/2.0/
 #
 # SPDX-License-Identifier: MPL-2.0
-from typing import Any, Callable, Set
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Callable, Set
 
 from vss_tools import log
 
+if TYPE_CHECKING:
+    from vss_tools.model import VSSUnit
+
 # Global objects to be extended by other code parts
 dynamic_datatypes: Set[str] = set()
 dynamic_struct_schemas: dict[str, dict[str, Any]] = {}
 dynamic_quantities: list[str] = []
-dynamic_units: dict[str, list] = {}  # unit name -> allowed datatypes
+# Map of unit name and VSSUnit
+dynamic_units: dict[str, VSSUnit] = {}
 
 
 class DatatypesException(Exception):