From 0efca3cadbad5517a59884576ddb90cfe7ac30f8 Mon Sep 17 00:00:00 2001
From: Diego Russo <diego.russo@arm.com>
Date: Mon, 30 May 2022 13:34:14 +0100
Subject: Add MLIA codebase

Add MLIA codebase including sources and tests.

Change-Id: Id41707559bd721edd114793618d12ccd188d8dbd
---
 src/mlia/cli/config.py | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/mlia/cli/config.py

(limited to 'src/mlia/cli/config.py')

diff --git a/src/mlia/cli/config.py b/src/mlia/cli/config.py
new file mode 100644
index 0000000..838b051
--- /dev/null
+++ b/src/mlia/cli/config.py
@@ -0,0 +1,64 @@
+# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Environment configuration functions."""
+import logging
+from functools import lru_cache
+from typing import List
+
+import mlia.tools.aiet_wrapper as aiet
+from mlia.tools.metadata.common import DefaultInstallationManager
+from mlia.tools.metadata.common import InstallationManager
+from mlia.tools.metadata.corstone import get_corstone_installations
+
+logger = logging.getLogger(__name__)
+
+
+def get_installation_manager(noninteractive: bool = False) -> InstallationManager:
+    """Return installation manager."""
+    backends = get_corstone_installations()
+
+    return DefaultInstallationManager(backends, noninteractive=noninteractive)
+
+
+@lru_cache
+def get_available_backends() -> List[str]:
+    """Return list of the available backends."""
+    available_backends = ["Vela"]
+
+    # Add backends using AIET
+    manager = get_installation_manager()
+    available_backends.extend(
+        (
+            backend
+            for backend in aiet.supported_backends()
+            if manager.backend_installed(backend)
+        )
+    )
+
+    return available_backends
+
+
+# List of mutually exclusive Corstone backends ordered by priority
+_CORSTONE_EXCLUSIVE_PRIORITY = ("Corstone-310", "Corstone-300")
+
+
+def get_default_backends() -> List[str]:
+    """Get default backends for evaluation."""
+    backends = get_available_backends()
+
+    # Filter backends to only include one Corstone backend
+    for corstone in _CORSTONE_EXCLUSIVE_PRIORITY:
+        if corstone in backends:
+            backends = [
+                backend
+                for backend in backends
+                if backend == corstone or backend not in _CORSTONE_EXCLUSIVE_PRIORITY
+            ]
+            break
+
+    return backends
+
+
+def is_corstone_backend(backend: str) -> bool:
+    """Check if the given backend is a Corstone backend."""
+    return backend in _CORSTONE_EXCLUSIVE_PRIORITY
-- 
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