gpt2

app/model_loader.py

@@ -3,42 +3,11 @@ import os
 from transformers import AutoModelForCausalLM, AutoTokenizer
 from peft import PeftModel
 
-def load_model():
-    hf_token = os.getenv("HF_TOKEN")
-    if not hf_token:
-        raise RuntimeError("HF_TOKEN not set.")
-    
-    # Use a user-writable cache directory (important for Docker non-root)
-    HF_CACHE = os.path.expanduser("~/.cache/huggingface")
-    os.makedirs(HF_CACHE, exist_ok=True)
-
-    os.environ["TRANSFORMERS_CACHE"] = HF_CACHE
-    os.environ["HF_HOME"] = HF_CACHE
-
-    base_model = AutoModelForCausalLM.from_pretrained(
-        "meta-llama/Llama-2-7b-chat-hf",
-        use_auth_token=hf_token,
-        cache_dir="/tmp/hf_cache",
-        torch_dtype="auto",
-        device_map="auto"
-    )
-    model = PeftModel.from_pretrained(
-        base_model,
-        "BrainGPT/BrainGPT-7B-v0.1",
-        use_auth_token=hf_token,
-        cache_dir="/tmp/hf_cache"
-    )
-    tokenizer = AutoTokenizer.from_pretrained(
-        "meta-llama/Llama-2-7b-chat-hf",
-        use_auth_token=hf_token,
-        cache_dir="/tmp/hf_cache"
-    )
-    return model, tokenizer
-
-# import os
-# from transformers import AutoModelForCausalLM, AutoTokenizer
-
 # def load_model():
+#     hf_token = os.getenv("HF_TOKEN")
+#     if not hf_token:
+#         raise RuntimeError("HF_TOKEN not set.")
+    
 #     # Use a user-writable cache directory (important for Docker non-root)
 #     HF_CACHE = os.path.expanduser("~/.cache/huggingface")
 #     os.makedirs(HF_CACHE, exist_ok=True)
@@ -46,16 +15,47 @@ def load_model():
 #     os.environ["TRANSFORMERS_CACHE"] = HF_CACHE
 #     os.environ["HF_HOME"] = HF_CACHE
 
-#     model_name = "gpt2"
-
+#     base_model = AutoModelForCausalLM.from_pretrained(
+#         "meta-llama/Llama-2-7b-chat-hf",
+#         use_auth_token=hf_token,
+#         cache_dir="/tmp/hf_cache",
+#         torch_dtype="auto",
+#         device_map="auto"
+#     )
+#     model = PeftModel.from_pretrained(
+#         base_model,
+#         "BrainGPT/BrainGPT-7B-v0.1",
+#         use_auth_token=hf_token,
+#         cache_dir="/tmp/hf_cache"
+#     )
 #     tokenizer = AutoTokenizer.from_pretrained(
-#         model_name,
-#         cache_dir=HF_CACHE
+#         "meta-llama/Llama-2-7b-chat-hf",
+#         use_auth_token=hf_token,
+#         cache_dir="/tmp/hf_cache"
 #     )
+#     return model, tokenizer
 
-#     model = AutoModelForCausalLM.from_pretrained(
-#         model_name,
-#         cache_dir=HF_CACHE
-#     )
+import os
+from transformers import AutoModelForCausalLM, AutoTokenizer
 
-#     return model, tokenizer
+def load_model():
+    # Use a user-writable cache directory (important for Docker non-root)
+    HF_CACHE = os.path.expanduser("~/.cache/huggingface")
+    os.makedirs(HF_CACHE, exist_ok=True)
+
+    os.environ["TRANSFORMERS_CACHE"] = HF_CACHE
+    os.environ["HF_HOME"] = HF_CACHE
+
+    model_name = "gpt2"
+
+    tokenizer = AutoTokenizer.from_pretrained(
+        model_name,
+        cache_dir=HF_CACHE
+    )
+
+    model = AutoModelForCausalLM.from_pretrained(
+        model_name,
+        cache_dir=HF_CACHE
+    )
+
+    return model, tokenizer