From bc0de6ee2489da6fb8eafd021a8c58b5cc30c947 Mon Sep 17 00:00:00 2001
From: Anthonios Partheniou <partheniou@google.com>
Date: Wed, 10 Nov 2021 20:07:36 -0500
Subject: [PATCH] chore(python): run blacken session for all directories with a
 noxfile (#1276)

---
 synthtool/languages/python.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/synthtool/languages/python.py b/synthtool/languages/python.py
index 9eb627379..23f244b5c 100644
--- a/synthtool/languages/python.py
+++ b/synthtool/languages/python.py
@@ -192,7 +192,9 @@ def owlbot_main() -> None:
 
         py_samples(skip_readmes=True)
 
-        s.shell.run(["nox", "-s", "blacken"], hide_output=False)
+        # run blacken session for all directories which a noxfile
+        for noxfile in Path(".").glob("**/noxfile.py"):
+            s.shell.run(["nox", "-s", "blacken"], cwd=noxfile.parent, hide_output=False)
 
 
 if __name__ == "__main__":