From 7ae0db7f4ae3edffdd5d54e25d3fb5fe9339e590 Mon Sep 17 00:00:00 2001
From: Joel Bradshaw <cincodenada@gmail.com>
Date: Thu, 5 May 2022 13:29:07 -0700
Subject: [PATCH] Ignore VariableDoesNotExist errors in debug logging

They're so noisy as to make debug logging useless otherwise
---
 bookwyrm/settings.py  |  4 ++++
 bookwyrm/utils/log.py | 12 ++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 bookwyrm/utils/log.py

diff --git a/bookwyrm/settings.py b/bookwyrm/settings.py
index e16c576e1..236413fe8 100644
--- a/bookwyrm/settings.py
+++ b/bookwyrm/settings.py
@@ -147,6 +147,9 @@ LOGGING = {
         "require_debug_true": {
             "()": "django.utils.log.RequireDebugTrue",
         },
+        "ignore_missing_variable": {
+            "()": "bookwyrm.utils.log.IgnoreVariableDoesNotExist",
+        },
     },
     "handlers": {
         # Overrides the default handler to make it log to console
@@ -154,6 +157,7 @@ LOGGING = {
         # console if DEBUG=False)
         "console": {
             "level": LOG_LEVEL,
+            "filters": ["ignore_missing_variable"],
             "class": "logging.StreamHandler",
         },
         # This is copied as-is from the default logger, and is
diff --git a/bookwyrm/utils/log.py b/bookwyrm/utils/log.py
new file mode 100644
index 000000000..8ad86895c
--- /dev/null
+++ b/bookwyrm/utils/log.py
@@ -0,0 +1,12 @@
+import logging
+
+
+class IgnoreVariableDoesNotExist(logging.Filter):
+    def filter(self, record):
+        if(record.exc_info):
+            (errType, errValue, _) = record.exc_info
+            while errValue:
+                if type(errValue).__name__ == 'VariableDoesNotExist':
+                    return False
+                errValue = errValue.__context__
+            return True