ALBS-639: Create a CLI tool to generate SBOM

- Class method `get_version` is implemented

cas_wrapper.py

@@ -13,16 +13,20 @@ class CasWrapper:
 
     binary_name = 'cas'
 
+    @classmethod
+    def _is_binary_present(cls):
+        if cls.binary_name not in local:
+            raise FileNotFoundError(
+                'Binary CAS is not found in PATH on the machine',
+            )
+
     def __init__(
             self,
             cas_api_key: str,
             cas_signer_id: str,
             logger: logging.Logger = None,
     ):
-        if self.binary_name not in local:
-            raise FileNotFoundError(
-                'Binary CAS is not found in PATH on the machine',
-            )
+        self._is_binary_present()
         self._cas_api_key = cas_api_key
         self._cas_signer_id = cas_signer_id
         self._cas = local['cas']
@@ -30,6 +34,13 @@ class CasWrapper:
         if self._logger is None:
             self._logger = logging.getLogger()
 
+    @classmethod
+    def get_version(cls):
+        cls._is_binary_present()
+        command = local['cas']['--version']
+        version = command()[:-1].split().split('v')[1]
+        return version
+
     def ensure_login(self):
         with local.env(
             CAS_API_KEY=self._cas_api_key,

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="cas_wrapper",
-    version="0.0.3",
+    version="0.0.4",
     author="Stepan Oksanichenko",
     author_email="soksanichenko@almalinux.org",
     description="The python wrapper around binary cas from "