chore: rename logging.py and redis.py to avoid circular imports

Signed-off-by: Leonidas Spyropoulos <artafinde@archlinux.org>

aurweb/aur_logging.py

@@ -0,0 +1,26 @@
+import logging
+import logging.config
+import os
+
+import aurweb.config
+
+# For testing, users should set LOG_CONFIG=logging.test.conf
+# We test against various debug log output.
+aurwebdir = aurweb.config.get("options", "aurwebdir")
+log_config = os.environ.get("LOG_CONFIG", "logging.conf")
+config_path = os.path.join(aurwebdir, log_config)
+
+logging.config.fileConfig(config_path, disable_existing_loggers=False)
+logging.getLogger("root").addHandler(logging.NullHandler())
+
+
+def get_logger(name: str) -> logging.Logger:
+    """A logging.getLogger wrapper. Importing this function and
+    using it to get a module-local logger ensures that logging.conf
+    initialization is performed wherever loggers are used.
+
+    :param name: Logger name; typically `__name__`
+    :returns: name's logging.Logger
+    """
+
+    return logging.getLogger(name)