Beginning of CLI interface + protection against infinite recursion.

blender_asset_tracer/cli/common.py

@@ -0,0 +1,16 @@
+"""Common functionality for CLI parsers."""
+
+
+def add_flag(argparser, flag_name: str, **kwargs):
+    """Add a CLI argument for the flag.
+
+    The flag defaults to False, and when present on the CLI stores True.
+    """
+
+    argparser.add_argument('-%s' % flag_name[0],
+                           '--%s' % flag_name,
+                           default=False,
+                           action='store_true',
+                           **kwargs)
+
+