MLIA-649 Strip mlia backend management into a new command

* add entry point for mlia-backend in setup.cfg and main.py
* add --force option for install from path: uninstall existing backend
  in ML Inference Advisor and install from given path
* add uninstall and list program parameters: uninstall has
  backend_name as input arg, install has backend_name as a mandatory argument
* add unit tests in test_cli_commands.py, test_cli_main.py,
  test_tools_metadata_common.py, test_tools_metadata_corstone.py
* updated README.md
* remove --download option for installing backend
* add new lines for the display section when we do mlia-backen list
* add case insensitive support for backend names in command line argument

Change-Id: Icb89d8957fa6be4b767710e24fa074f26472674b

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mlia/tools/metadata/corstone.py b/src/mlia/tools/metadata/corstone.py
index cea1ec9..04b13b5 100644
--- a/src/mlia/tools/metadata/corstone.py
+++ b/src/mlia/tools/metadata/corstone.py
@@ -19,6 +19,7 @@ from typing import Iterable
 from typing import Optional
 
 import mlia.backend.manager as backend_manager
+from mlia.backend.system import remove_system
 from mlia.tools.metadata.common import DownloadAndInstall
 from mlia.tools.metadata.common import Installation
 from mlia.tools.metadata.common import InstallationType
@@ -205,6 +206,11 @@ class BackendInstallation(Installation):
 
                 self.install(InstallFromPath(backend_path))
 
+    def uninstall(self) -> None:
+        """Uninstall the backend."""
+        remove_system(self.metadata.fvp_dir_name)
+        logger.info("%s successfully uninstalled.", self.name)
+
 
 class PackagePathChecker:
     """Package path checker."""