Move truncate code context func for reusability across modules

It needs to be used across routers and processors. It being in
run_code tool makes it hard to be used in other chat provider contexts
due to circular dependency issues created by
send_message_to_model_wrapper func

src/khoj/processor/tools/run_code.py

@@ -1,5 +1,4 @@
 import base64
-import copy
 import datetime
 import json
 import logging
@@ -20,7 +19,7 @@ from khoj.processor.conversation.utils import (
     construct_chat_history,
 )
 from khoj.routers.helpers import send_message_to_model_wrapper
-from khoj.utils.helpers import is_none_or_empty, timer
+from khoj.utils.helpers import is_none_or_empty, timer, truncate_code_context
 from khoj.utils.rawconfig import LocationData
 
 logger = logging.getLogger(__name__)
@@ -180,26 +179,3 @@ async def execute_sandboxed_python(code: str, input_data: list[dict], sandbox_ur
                     "std_err": f"Failed to execute code with {response.status}",
                     "output_files": [],
                 }
-
-
-def truncate_code_context(original_code_results: dict[str, Any], max_chars=10000) -> dict[str, Any]:
-    """
-    Truncate large output files and drop image file data from code results.
-    """
-    # Create a deep copy of the code results to avoid modifying the original data
-    code_results = copy.deepcopy(original_code_results)
-    for code_result in code_results.values():
-        for idx, output_file in enumerate(code_result["results"]["output_files"]):
-            # Drop image files from code results
-            if Path(output_file["filename"]).suffix in {".png", ".jpg", ".jpeg", ".webp"}:
-                code_result["results"]["output_files"][idx] = {
-                    "filename": output_file["filename"],
-                    "b64_data": "[placeholder for generated image data for brevity]",
-                }
-            # Truncate large output files
-            elif len(output_file["b64_data"]) > max_chars:
-                code_result["results"]["output_files"][idx] = {
-                    "filename": output_file["filename"],
-                    "b64_data": output_file["b64_data"][:max_chars] + "...",
-                }
-    return code_results

src/khoj/routers/research.py

@@ -16,7 +16,7 @@ from khoj.processor.conversation.utils import (
     construct_tool_chat_history,
 )
 from khoj.processor.tools.online_search import read_webpages, search_online
-from khoj.processor.tools.run_code import run_code, truncate_code_context
+from khoj.processor.tools.run_code import run_code
 from khoj.routers.api import extract_references_and_questions
 from khoj.routers.helpers import (
     ChatEvent,
@@ -28,6 +28,7 @@ from khoj.utils.helpers import (
     function_calling_description_for_llm,
     is_none_or_empty,
     timer,
+    truncate_code_context,
 )
 from khoj.utils.rawconfig import LocationData
 

src/khoj/utils/helpers.py

@@ -1,5 +1,6 @@
 from __future__ import annotations  # to avoid quoting type hints
 
+import copy
 import datetime
 import io
 import ipaddress
@@ -18,7 +19,7 @@ from itertools import islice
 from os import path
 from pathlib import Path
 from time import perf_counter
-from typing import TYPE_CHECKING, Optional, Union
+from typing import TYPE_CHECKING, Any, Optional, Union
 from urllib.parse import urlparse
 
 import psutil
@@ -527,6 +528,29 @@ def convert_image_to_webp(image_bytes):
         return webp_image_bytes
 
 
+def truncate_code_context(original_code_results: dict[str, Any], max_chars=10000) -> dict[str, Any]:
+    """
+    Truncate large output files and drop image file data from code results.
+    """
+    # Create a deep copy of the code results to avoid modifying the original data
+    code_results = copy.deepcopy(original_code_results)
+    for code_result in code_results.values():
+        for idx, output_file in enumerate(code_result["results"]["output_files"]):
+            # Drop image files from code results
+            if Path(output_file["filename"]).suffix in {".png", ".jpg", ".jpeg", ".webp"}:
+                code_result["results"]["output_files"][idx] = {
+                    "filename": output_file["filename"],
+                    "b64_data": "[placeholder for generated image data for brevity]",
+                }
+            # Truncate large output files
+            elif len(output_file["b64_data"]) > max_chars:
+                code_result["results"]["output_files"][idx] = {
+                    "filename": output_file["filename"],
+                    "b64_data": output_file["b64_data"][:max_chars] + "...",
+                }
+    return code_results
+
+
 @lru_cache
 def tz_to_cc_map() -> dict[str, str]:
     """Create a mapping of timezone to country code"""