[mod] move hook to set Unix thread name into searx.unixthreadname

requires setproctitle (but optional)

searx/__init__.py

@@ -5,6 +5,7 @@
 from os.path import dirname, abspath
 import logging
 
+import searx.unixthreadname
 import searx.settings_loader
 from searx.settings_defaults import settings_set_defaults
 

searx/unixthreadname.py

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# lint: pylint
+"""
+if setproctitle is installed.
+set Unix thread name with the Python thread name
+"""
+
+try:
+    import setproctitle
+except ImportError:
+    pass
+else:
+    import threading
+    old_thread_init = threading.Thread.__init__
+
+    def new_thread_init(self, *args, **kwargs):
+        # pylint: disable=protected-access, disable=c-extension-no-member, disable=missing-function-docstring
+        old_thread_init(self, *args, **kwargs)
+        setproctitle.setthreadtitle(self._name)
+    threading.Thread.__init__ = new_thread_init

searx/webapp.py

@@ -111,21 +111,6 @@ from searx.network import stream as http_stream
 from searx.search.checker import get_result as checker_get_result
 from searx.settings_loader import get_default_settings_path
 
-# set Unix thread name
-try:
-    import setproctitle
-except ImportError:
-    pass
-else:
-    import threading
-    old_thread_init = threading.Thread.__init__
-
-    def new_thread_init(self, *args, **kwargs):
-        # pylint: disable=protected-access, disable=c-extension-no-member
-        old_thread_init(self, *args, **kwargs)
-        setproctitle.setthreadtitle(self._name)
-    threading.Thread.__init__ = new_thread_init
-
 logger = logger.getChild('webapp')
 
 # check secret_key