Added lazy loading when showing grid to improve performance

src/core/utils.py

@@ -1,12 +1,16 @@
 import ast
 import base64
+import cProfile
+import functools
 import hashlib
 import importlib
 import inspect
 import pkgutil
 import re
+import time
 import types
 import uuid
+from datetime import datetime
 from enum import Enum
 from io import BytesIO
 from urllib.parse import urlparse
@@ -420,6 +424,66 @@ def split_host_port(url):
   return host, port
 
 
+def timed(func):
+  @functools.wraps(func)
+  def wrapper(*args, **kwargs):
+    start = time.perf_counter()
+    result = func(*args, **kwargs)
+    end = time.perf_counter()
+    
+    # get class name
+    class_name = None
+    if args:
+      # check the first argument to see if it's a class'
+      if inspect.isclass(args[0]):
+        class_name = args[0].__name__  # class method
+      elif hasattr(args[0], "__class__"):
+        class_name = args[0].__class__.__name__  # instance method
+    
+    if class_name:
+      print(f"[PERF] {class_name}.{func.__name__} took {end - start:.4f} sec")
+    else:
+      print(f"[PERF] {func.__name__} took {end - start:.4f} sec")
+    
+    return result
+  
+  return wrapper
+
+
+def profile_function(func):
+  @functools.wraps(func)
+  def wrapper(*args, **kwargs):
+    profiler = cProfile.Profile()
+    try:
+      profiler.enable()
+      result = func(*args, **kwargs)
+    finally:
+      profiler.disable()
+    
+    # Determine class name if any
+    class_name = None
+    if args:
+      if inspect.isclass(args[0]):
+        class_name = args[0].__name__  # class method
+      elif hasattr(args[0], "__class__"):
+        class_name = args[0].__class__.__name__  # instance method
+    
+    # Compose filename with timestamp
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    if class_name:
+      filename = f"{class_name}_{func.__name__}_{timestamp}.prof"
+    else:
+      filename = f"{func.__name__}_{timestamp}.prof"
+    
+    # Dump stats to file
+    profiler.dump_stats(filename)
+    print(f"[PROFILE] Profiling data saved to {filename}")
+    
+    return result
+  
+  return wrapper
+
+
 class UnreferencedNamesVisitor(ast.NodeVisitor):
   """
   Try to find symbols that will be requested by the ast
@@ -463,5 +527,4 @@ class UnreferencedNamesVisitor(ast.NodeVisitor):
     :rtype:
     """
     self.names.add(node.arg)
-    self.visit_selected(node, ["value"])
-
+    self.visit_selected(node, ["value"])