From da98dd7dbf4e82037d57e9d18a75db09e662ea44 Mon Sep 17 00:00:00 2001
From: Kernc <kerncece@gmail.com>
Date: Thu, 1 Apr 2021 01:27:36 +0200
Subject: [PATCH] BUG: Fully respect PYTHONWARNINGS, when set

Fixes https://github.com/pdoc3/pdoc/issues/331
---
 pdoc/cli.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pdoc/cli.py b/pdoc/cli.py
index d0dd7b9a..3fcd164a 100755
--- a/pdoc/cli.py
+++ b/pdoc/cli.py
@@ -432,7 +432,9 @@ def main(_args=None):
     global args
     args = _args or parser.parse_args()
 
-    warnings.simplefilter("once", DeprecationWarning)
+    # If warnings not externally managed, show deprecation warnings
+    if not sys.warnoptions:
+        warnings.simplefilter("once", DeprecationWarning)
 
     if args.close_stdin:
         sys.stdin.close()