Implement admin enrollment APIs

Data/Engine/services/enrollment/__init__.py

@@ -2,20 +2,54 @@
 
 from __future__ import annotations
 
-from .enrollment_service import (
-    EnrollmentRequestResult,
-    EnrollmentService,
-    EnrollmentStatus,
-    EnrollmentTokenBundle,
-    PollingResult,
-)
-from Data.Engine.domain.device_enrollment import EnrollmentValidationError
+from importlib import import_module
+from typing import Any
 
 __all__ = [
-    "EnrollmentRequestResult",
     "EnrollmentService",
+    "EnrollmentRequestResult",
     "EnrollmentStatus",
     "EnrollmentTokenBundle",
-    "EnrollmentValidationError",
     "PollingResult",
+    "EnrollmentValidationError",
+    "EnrollmentAdminService",
 ]
+
+_LAZY: dict[str, tuple[str, str]] = {
+    "EnrollmentService": ("Data.Engine.services.enrollment.enrollment_service", "EnrollmentService"),
+    "EnrollmentRequestResult": (
+        "Data.Engine.services.enrollment.enrollment_service",
+        "EnrollmentRequestResult",
+    ),
+    "EnrollmentStatus": ("Data.Engine.services.enrollment.enrollment_service", "EnrollmentStatus"),
+    "EnrollmentTokenBundle": (
+        "Data.Engine.services.enrollment.enrollment_service",
+        "EnrollmentTokenBundle",
+    ),
+    "PollingResult": ("Data.Engine.services.enrollment.enrollment_service", "PollingResult"),
+    "EnrollmentValidationError": (
+        "Data.Engine.domain.device_enrollment",
+        "EnrollmentValidationError",
+    ),
+    "EnrollmentAdminService": (
+        "Data.Engine.services.enrollment.admin_service",
+        "EnrollmentAdminService",
+    ),
+}
+
+
+def __getattr__(name: str) -> Any:
+    try:
+        module_name, attribute = _LAZY[name]
+    except KeyError as exc:  # pragma: no cover - defensive
+        raise AttributeError(name) from exc
+
+    module = import_module(module_name)
+    value = getattr(module, attribute)
+    globals()[name] = value
+    return value
+
+
+def __dir__() -> list[str]:  # pragma: no cover - interactive helper
+    return sorted(set(__all__))
+