Move str2bool to config_utils

lib/config_utils/args_utils.py

@@ -0,0 +1,12 @@
+import argparse
+
+
+def arg_str2bool(v):
+    if isinstance(v, bool):
+        return v
+    elif v.lower() in ("yes", "true", "t", "y", "1"):
+        return True
+    elif v.lower() in ("no", "false", "f", "n", "0"):
+        return False
+    else:
+        raise argparse.ArgumentTypeError("Boolean value expected.")