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

mem0/embeddings/ollama.py

@@ -1,3 +1,5 @@
+import subprocess
+import sys
 from typing import Optional
 
 from mem0.configs.embeddings.base import BaseEmbedderConfig
@@ -6,9 +8,17 @@ from mem0.embeddings.base import EmbeddingBase
 try:
     from ollama import Client
 except ImportError:
-    raise ImportError(
-        "Ollama requires extra dependencies. Install with `pip install ollama`"
-    ) from None
+    user_input = input("The 'ollama' library is required. Install it now? [y/N]: ")
+    if user_input.lower() == 'y':
+        try:
+            subprocess.check_call([sys.executable, "-m", "pip", "install", "ollama"])
+            from ollama import Client
+        except subprocess.CalledProcessError:
+            print("Failed to install 'ollama'. Please install it manually using 'pip install ollama'.")
+            sys.exit(1)
+    else:
+        print("The required 'ollama' library is not installed.")
+        sys.exit(1)
 
 
 class OllamaEmbedding(EmbeddingBase):

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

mem0/vector_stores/chroma.py

@@ -1,3 +1,5 @@
+import subprocess
+import sys
 import logging
 from typing import Optional, List, Dict
 
@@ -7,9 +9,18 @@ try:
     import chromadb
     from chromadb.config import Settings
 except ImportError:
-    raise ImportError(
-        "Chromadb requires extra dependencies. Install with `pip install chromadb`"
-    ) from None
+    user_input = input("The 'chromadb' library is required. Install it now? [y/N]: ")
+    if user_input.lower() == 'y':
+        try:
+            subprocess.check_call([sys.executable, "-m", "pip", "install", "chromadb"])
+            import chromadb
+            from chromadb.config import Settings
+        except subprocess.CalledProcessError:
+            print("Failed to install 'chromadb'. Please install it manually using 'pip install chromadb'.")
+            sys.exit(1)
+    else:
+        print("The required 'chromadb' library is not installed.")
+        sys.exit(1)
 
 from mem0.vector_stores.base import VectorStoreBase
 

mem0/vector_stores/pgvector.py

@@ -1,3 +1,5 @@
+import subprocess
+import sys
 import json
 from typing import Optional, List
 from pydantic import BaseModel
@@ -6,9 +8,18 @@ try:
     import psycopg2
     from psycopg2.extras import execute_values
 except ImportError:
-    raise ImportError(
-        "PGVector requires extra dependencies. Install with `pip install psycopg2`"
-    ) from None
+    user_input = input("The 'psycopg2' library is required. Install it now? [y/N]: ")
+    if user_input.lower() == 'y':
+        try:
+            subprocess.check_call([sys.executable, "-m", "pip", "install", "psycopg2"])
+            import psycopg2
+            from psycopg2.extras import execute_values
+        except subprocess.CalledProcessError:
+            print("Failed to install 'psycopg2'. Please install it manually using 'pip install psycopg2'.")
+            sys.exit(1)
+    else:
+        print("The required 'psycopg2' library is not installed.")
+        sys.exit(1)
 
 
 from mem0.vector_stores.base import VectorStoreBase