From 467c506e33880736d4f729daecf43df5cd193d2f Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Tue, 6 Aug 2024 13:03:14 -0700
Subject: [PATCH 1/3] caching use file_checksum

---
 litellm/caching.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/litellm/caching.py b/litellm/caching.py
index 6ed6eb9fd..e23bd5bfc 100644
--- a/litellm/caching.py
+++ b/litellm/caching.py
@@ -10,6 +10,7 @@
 import ast
 import asyncio
 import hashlib
+import io
 import json
 import logging
 import time
@@ -1889,8 +1890,10 @@ class Cache:
                     metadata = kwargs.get("metadata", {})
                     litellm_params = kwargs.get("litellm_params", {})
 
+                    # get checksum of file content
                     param_value = (
-                        getattr(file, "name", None)
+                        metadata.get("file_checksum")
+                        or getattr(file, "name", None)
                         or metadata.get("file_name")
                         or litellm_params.get("file_name")
                     )

From c19066e78ebb73dd90c438434ca3280747b43e21 Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Tue, 6 Aug 2024 13:55:22 -0700
Subject: [PATCH 2/3] use file_checksum

---
 litellm/utils.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/litellm/utils.py b/litellm/utils.py
index fbe6bd26e..c859a962d 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -13,6 +13,7 @@ import base64
 import binascii
 import copy
 import datetime
+import hashlib
 import inspect
 import itertools
 import json
@@ -554,6 +555,12 @@ def function_setup(
         ):
             _file_name: BinaryIO = args[1] if len(args) > 1 else kwargs["file"]
             file_name = getattr(_file_name, "name", "audio_file")
+            # Add file checksum to metadata
+            file_checksum = hashlib.sha256(_file_name.read()).hexdigest()
+            if "metadata" in kwargs:
+                kwargs["metadata"]["file_checksum"] = file_checksum
+            else:
+                kwargs["metadata"] = {"file_checksum": file_checksum}
             messages = file_name
         elif (
             call_type == CallTypes.aspeech.value or call_type == CallTypes.speech.value

From aa06df4101357ef09adf76c54fca05e5977ceb3d Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Tue, 6 Aug 2024 15:18:50 -0700
Subject: [PATCH 3/3] use file size _ name to get file check sum

---
 litellm/utils.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/litellm/utils.py b/litellm/utils.py
index c859a962d..20beb47dc 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -555,8 +555,11 @@ def function_setup(
         ):
             _file_name: BinaryIO = args[1] if len(args) > 1 else kwargs["file"]
             file_name = getattr(_file_name, "name", "audio_file")
-            # Add file checksum to metadata
-            file_checksum = hashlib.sha256(_file_name.read()).hexdigest()
+            file_descriptor = _file_name.fileno()
+            file_stat = os.fstat(file_descriptor)
+            file_size = str(file_stat.st_size)
+
+            file_checksum = _file_name.name + file_size
             if "metadata" in kwargs:
                 kwargs["metadata"]["file_checksum"] = file_checksum
             else: