use a queue for logging

frigate/log.py

@@ -0,0 +1,25 @@
+# adapted from https://medium.com/@jonathonbao/python3-logging-with-multiprocessing-f51f460b8778
+import logging
+import threading
+from logging import handlers
+
+def listener_configurer():
+    root = logging.getLogger()
+    console_handler = logging.StreamHandler()
+    formatter = logging.Formatter('%(processName)-12s %(threadName)-12s %(name)-16s %(levelname)-8s: %(message)s')
+    console_handler.setFormatter(formatter)
+    root.addHandler(console_handler)
+    root.setLevel(logging.INFO)
+
+def root_configurer(queue):
+    h = handlers.QueueHandler(queue)
+    root = logging.getLogger()
+    root.addHandler(h)
+    root.setLevel(logging.INFO)
+
+def log_process(queue):
+    listener_configurer()
+    while True:
+        record = queue.get()
+        logger = logging.getLogger(record.name)
+        logger.handle(record)