From 00e444faa04be65d7270e34fd48471b67b3d0dcd Mon Sep 17 00:00:00 2001
From: Bagatur <baskaryan@gmail.com>
Date: Thu, 4 Jan 2024 09:44:03 -0500
Subject: [PATCH] core[patch]: add v1 tracer backwards compat

---
 libs/core/langchain_core/tracers/context.py   |  3 +++
 .../langchain_core/tracers/langchain_v1.py    |  3 +++
 libs/core/langchain_core/tracers/schemas.py   | 23 +++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 libs/core/langchain_core/tracers/langchain_v1.py

diff --git a/libs/core/langchain_core/tracers/context.py b/libs/core/langchain_core/tracers/context.py
index fcd588ee354..3a90b7bc5be 100644
--- a/libs/core/langchain_core/tracers/context.py
+++ b/libs/core/langchain_core/tracers/context.py
@@ -208,3 +208,6 @@ def register_configure_hook(
 
 
 register_configure_hook(run_collector_var, False)
+
+# Legacy variable, kept for backwards compatibility.
+tracing_enabled = None
diff --git a/libs/core/langchain_core/tracers/langchain_v1.py b/libs/core/langchain_core/tracers/langchain_v1.py
new file mode 100644
index 00000000000..4a6800856f7
--- /dev/null
+++ b/libs/core/langchain_core/tracers/langchain_v1.py
@@ -0,0 +1,3 @@
+# Legacy variable, kept for backwards compatibility.
+get_headers = None
+LangChainTracerV1 = None
diff --git a/libs/core/langchain_core/tracers/schemas.py b/libs/core/langchain_core/tracers/schemas.py
index bf9359ccc2f..0c456a01525 100644
--- a/libs/core/langchain_core/tracers/schemas.py
+++ b/libs/core/langchain_core/tracers/schemas.py
@@ -35,6 +35,29 @@ class Run(BaseRunV2):
 
 Run.update_forward_refs()
 
+
+# Legacy variables, kept for backwards compatibility.
+BaseRun = None
+ChainRun = None
+LLMRun = None
+RunTypeEnum = None
+ToolRun = None
+TracerSession = None
+TracerSessionBase = None
+TracerSessionV1 = None
+TracerSessionV1Base = None
+TracerSessionV1Create = None
+
 __all__ = [
+    "BaseRun",
+    "ChainRun",
+    "LLMRun",
     "Run",
+    "RunTypeEnum",
+    "ToolRun",
+    "TracerSession",
+    "TracerSessionBase",
+    "TracerSessionV1",
+    "TracerSessionV1Base",
+    "TracerSessionV1Create",
 ]