Merge pull request #1802 from cincodenada/configurable-logging

Make log level configurable, override default logging config

bookwyrm/settings.py

@@ -106,6 +106,58 @@ TEMPLATES = [
     },
 ]
 
+LOG_LEVEL = env("LOG_LEVEL", "INFO").upper()
+# Override aspects of the default handler to our taste
+# See https://docs.djangoproject.com/en/3.2/topics/logging/#default-logging-configuration
+# for a reference to the defaults we're overriding
+#
+# It seems that in order to override anything you have to include its
+# entire dependency tree (handlers and filters) which makes this a
+# bit verbose
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "filters": {
+        # These are copied from the default configuration, required for
+        # implementing mail_admins below
+        "require_debug_false": {
+            "()": "django.utils.log.RequireDebugFalse",
+        },
+        "require_debug_true": {
+            "()": "django.utils.log.RequireDebugTrue",
+        },
+    },
+    "handlers": {
+        # Overrides the default handler to make it log to console
+        # regardless of the DEBUG setting (default is to not log to
+        # console if DEBUG=False)
+        "console": {
+            "level": LOG_LEVEL,
+            "class": "logging.StreamHandler",
+        },
+        # This is copied as-is from the default logger, and is
+        # required for the django section below
+        "mail_admins": {
+            "level": "ERROR",
+            "filters": ["require_debug_false"],
+            "class": "django.utils.log.AdminEmailHandler",
+        },
+    },
+    "loggers": {
+        # Install our new console handler for Django's logger, and
+        # override the log level while we're at it
+        "django": {
+            "handlers": ["console", "mail_admins"],
+            "level": LOG_LEVEL,
+        },
+        # Add a bookwyrm-specific logger
+        "bookwyrm": {
+            "handlers": ["console"],
+            "level": LOG_LEVEL,
+        },
+    },
+}
+
 
 WSGI_APPLICATION = "bookwyrm.wsgi.application"