From 3e3dcb9bd5abb88adcd85b4f89e8a81e7f6fa293 Mon Sep 17 00:00:00 2001
From: Dmitrii Agibov <dmitrii.agibov@arm.com>
Date: Fri, 27 Jan 2023 09:12:50 +0000
Subject: MLIA-595 Remove old backend configuration mechanism

- Remove old backend configuration code
- Install backends into directory ~/.mlia
- Rename targets/backends in registry to make it consistent
  across codebase.

Change-Id: I9c8b012fe863280f1c692940c0dcad3ef638aaae
---
 src/mlia/utils/proc.py | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 src/mlia/utils/proc.py

(limited to 'src/mlia/utils')

diff --git a/src/mlia/utils/proc.py b/src/mlia/utils/proc.py
new file mode 100644
index 0000000..d11bfc5
--- /dev/null
+++ b/src/mlia/utils/proc.py
@@ -0,0 +1,55 @@
+# SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Module for process management."""
+from __future__ import annotations
+
+import logging
+import subprocess  # nosec
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Callable
+from typing import Generator
+
+
+logger = logging.getLogger(__name__)
+
+
+@dataclass(frozen=True)
+class Command:
+    """Command information."""
+
+    cmd: list[str]
+    cwd: Path = Path.cwd()
+    env: dict[str, str] | None = None
+
+
+def command_output(command: Command) -> Generator[str, None, None]:
+    """Get command output."""
+    logger.debug("Running command: %s", command)
+
+    with subprocess.Popen(  # nosec
+        command.cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        universal_newlines=True,
+        bufsize=1,
+        cwd=command.cwd,
+        env=command.env,
+    ) as process:
+        yield from process.stdout or []
+
+    if process.returncode:
+        raise subprocess.CalledProcessError(process.returncode, command.cmd)
+
+
+OutputConsumer = Callable[[str], None]
+
+
+def process_command_output(
+    command: Command,
+    consumers: list[OutputConsumer],
+) -> None:
+    """Execute command and process output."""
+    for line in command_output(command):
+        for consumer in consumers:
+            consumer(line)
-- 
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