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authorHubert Chathi <hubert@uhoreg.ca>2018-08-24 11:44:26 -0400
committerGitHub <noreply@github.com>2018-08-24 11:44:26 -0400
commit83caead95a921b0977164468a52c5c0b6e9eee5a (patch)
treee87ae6c5d439de1e1dfd7598cab35a14e320ef59 /synapse/util/logcontext.py
parentallow session_data to be any JSON instead of just a string (diff)
parentMerge pull request #3755 from matrix-org/erikj/fix_server_notice_tags (diff)
downloadsynapse-83caead95a921b0977164468a52c5c0b6e9eee5a.tar.xz
Merge branch 'develop' into e2e_backups
Diffstat (limited to 'synapse/util/logcontext.py')
-rw-r--r--synapse/util/logcontext.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py
index 8dcae50b39..a0c2d37610 100644
--- a/synapse/util/logcontext.py
+++ b/synapse/util/logcontext.py
@@ -385,7 +385,13 @@ class LoggingContextFilter(logging.Filter):
         context = LoggingContext.current_context()
         for key, value in self.defaults.items():
             setattr(record, key, value)
-        context.copy_to(record)
+
+        # context should never be None, but if it somehow ends up being, then
+        # we end up in a death spiral of infinite loops, so let's check, for
+        # robustness' sake.
+        if context is not None:
+            context.copy_to(record)
+
         return True
 
 
@@ -396,7 +402,9 @@ class PreserveLoggingContext(object):
 
     __slots__ = ["current_context", "new_context", "has_parent"]
 
-    def __init__(self, new_context=LoggingContext.sentinel):
+    def __init__(self, new_context=None):
+        if new_context is None:
+            new_context = LoggingContext.sentinel
         self.new_context = new_context
 
     def __enter__(self):
@@ -526,7 +534,7 @@ _to_ignore = [
     "synapse.util.logcontext",
     "synapse.http.server",
     "synapse.storage._base",
-    "synapse.util.async",
+    "synapse.util.async_helpers",
 ]