feat: Automate installation of required libraries. (#1795)

mem0/proxy/main.py

@@ -1,3 +1,5 @@
+import subprocess
+import sys
 import httpx
 from typing import Optional, List, Union
 import threading
@@ -5,9 +7,17 @@ import threading
 try:
     import litellm
 except ImportError:
-    raise ImportError(
-        "litellm requires extra dependencies. Install with `pip install litellm`"
-    ) from None
+    user_input = input("The 'litellm' library is required. Install it now? [y/N]: ")
+    if user_input.lower() == 'y':
+        try:
+            subprocess.check_call([sys.executable, "-m", "pip", "install", "litellm"])
+            import litellm
+        except subprocess.CalledProcessError:
+            print("Failed to install 'litellm'. Please install it manually using 'pip install litellm'.")
+            sys.exit(1)
+    else:
+        raise ImportError("The required 'litellm' library is not installed.")
+        sys.exit(1)
 
 from mem0.memory.telemetry import capture_client_event
 from mem0 import Memory, MemoryClient