Add tool helper for selecting the top-level Kconfig

standard_kconfig() gets the top-level Kconfig file from the first
command-line argument, defaulting to "Kconfig". This removes some
boilerplate from tools.

1 files changed, 1 insertions, 4 deletions

diff --git a/allnoconfig.py b/allnoconfig.py
index 240fffb..a840ea6 100755
--- a/allnoconfig.py
+++ b/allnoconfig.py
@@ -15,10 +15,7 @@ import sys
 import kconfiglib
 
 def main():
-    if len(sys.argv) > 2:
-        sys.exit("usage: {} [Kconfig]".format(sys.argv[0]))
-
-    kconf = kconfiglib.Kconfig("Kconfig" if len(sys.argv) < 2 else sys.argv[1])
+    kconf = kconfiglib.standard_kconfig()
 
     # Avoid warnings printed by Kconfiglib when assigning a value to a symbol that
     # has no prompt. Such assignments never have an effect.