Why am I so slow???????????? Just sync commit. Slowly but surely getting allong with this refactoring.

archive/functions_dump.py

@@ -30,3 +30,30 @@ def setup_sniff_parser(subparsers):
 def setup_pcap_filter_parser(parser_sniff):
     parser_pcap_filter = parser_sniff.add_argument_parser('pcap-filter expression')
     pass
+
+def check_iottb_env():
+    # This makes the option '--root-dir' obsolescent # TODO How to streamline this?\
+    try:
+        iottb_home = environ['IOTTB_HOME']  # TODO WARN implicit declaration of env var name!
+    except KeyError:
+        logger.error(f"Environment variable 'IOTTB_HOME' is not set."
+                     f"Setting environment variable 'IOTTB_HOME' to '~/{IOTTB_HOME_ABS}'")
+        environ['IOTTB_HOME'] = IOTTB_HOME_ABS
+    finally:
+        if not Path(IOTTB_HOME_ABS).exists():
+            print(f'"{IOTTB_HOME_ABS}" does not exist.')
+            response = input('Do you want to create it now? [y/N]')
+            logger.debug(f'response: {response}')
+            if response.lower() != 'y':
+                logger.debug(f'Not setting "IOTTB_HOME"')
+                print('TODO')
+                print("Aborting execution...")
+                return ReturnCodes.ABORTED
+            else:
+                print(f'Setting environment variable IOTTB_HOME""')
+                Path(IOTTB_HOME_ABS).mkdir(parents=True,
+                                           exist_ok=False)  # Should always work since in 'not exist' code path
+                return ReturnCodes.SUCCESS
+        logger.info(f'"{IOTTB_HOME_ABS}" exists.')
+        # TODO: Check that it is a valid iottb dir or can we say it is valid by definition if?
+        return ReturnCodes.SUCCESS