From 97845186d160c12c978c17abbc01bf903fcc9ccb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sondre=20Lilleb=C3=B8=20Gundersen?= <sondrelg@live.no>
Date: Tue, 29 Jun 2021 14:06:23 +0200
Subject: [PATCH] Make logging opt-in

---
 sanity_html/logger.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/sanity_html/logger.py b/sanity_html/logger.py
index 8b2fe02..7d9ea67 100644
--- a/sanity_html/logger.py
+++ b/sanity_html/logger.py
@@ -1,12 +1,13 @@
+"""
+Logging setup.
+
+The rest of the code gets the logger through this module rather than
+`logging.getLogger` to make sure that it is configured.
+"""
 import logging
-import sys
 
 logger = logging.getLogger('sanity_html')
 
-# Make logger output to stdout
-logger.setLevel(logging.DEBUG)
-handler = logging.StreamHandler(sys.stdout)
-handler.setLevel(logging.DEBUG)
-formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
-handler.setFormatter(formatter)
-logger.addHandler(handler)
+if not logger.handlers:  # pragma: no cover
+    logger.setLevel(logging.WARNING)
+    logger.addHandler(logging.NullHandler())