From fe69fb6263989b570366adf23d20091a0b91fb80 Mon Sep 17 00:00:00 2001
From: Patrick Cloke <clokep@users.noreply.github.com>
Date: Tue, 5 May 2020 09:21:34 -0400
Subject: [PATCH] Add backwards compatibility codepath to LoggingContext.
 (#7408)

---
 changelog.d/7408.misc      |  1 +
 synapse/logging/context.py | 41 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 changelog.d/7408.misc

diff --git a/changelog.d/7408.misc b/changelog.d/7408.misc
new file mode 100644
index 000000000..731f4dcb5
--- /dev/null
+++ b/changelog.d/7408.misc
@@ -0,0 +1 @@
+Clean up some LoggingContext code.
diff --git a/synapse/logging/context.py b/synapse/logging/context.py
index a8f674d13..856534e91 100644
--- a/synapse/logging/context.py
+++ b/synapse/logging/context.py
@@ -27,6 +27,7 @@ import inspect
 import logging
 import threading
 import types
+import warnings
 from typing import TYPE_CHECKING, Optional, Tuple, TypeVar, Union
 
 from typing_extensions import Literal
@@ -287,6 +288,46 @@ class LoggingContext(object):
             return str(self.request)
         return "%s@%x" % (self.name, id(self))
 
+    @classmethod
+    def current_context(cls) -> LoggingContextOrSentinel:
+        """Get the current logging context from thread local storage
+
+        This exists for backwards compatibility. ``current_context()`` should be
+        called directly.
+
+        Returns:
+            LoggingContext: the current logging context
+        """
+        warnings.warn(
+            "synapse.logging.context.LoggingContext.current_context() is deprecated "
+            "in favor of synapse.logging.context.current_context().",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return current_context()
+
+    @classmethod
+    def set_current_context(
+        cls, context: LoggingContextOrSentinel
+    ) -> LoggingContextOrSentinel:
+        """Set the current logging context in thread local storage
+
+        This exists for backwards compatibility. ``set_current_context()`` should be
+        called directly.
+
+        Args:
+            context(LoggingContext): The context to activate.
+        Returns:
+            The context that was previously active
+        """
+        warnings.warn(
+            "synapse.logging.context.LoggingContext.set_current_context() is deprecated "
+            "in favor of synapse.logging.context.set_current_context().",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return set_current_context(context)
+
     def __enter__(self) -> "LoggingContext":
         """Enters this logging context into thread local storage"""
         old_context = set_current_context(self)