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-rw-r--r--g4f/local/core/engine.py42
1 files changed, 42 insertions, 0 deletions
diff --git a/g4f/local/core/engine.py b/g4f/local/core/engine.py
new file mode 100644
index 00000000..920ed9b4
--- /dev/null
+++ b/g4f/local/core/engine.py
@@ -0,0 +1,42 @@
+import os
+
+from gpt4all import GPT4All
+from .models import models
+
+class LocalProvider:
+ @staticmethod
+ def create_completion(model, messages, stream, **kwargs):
+ if model not in models:
+ raise ValueError(f"Model '{model}' not found / not yet implemented")
+
+ model = models[model]
+ model_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '../models/')
+ full_model_path = os.path.join(model_dir, model['path'])
+
+ if not os.path.isfile(full_model_path):
+ print(f"Model file '{full_model_path}' not found.")
+ download = input(f'Do you want to download {model["path"]} ? [y/n]')
+
+ if download in ['y', 'Y']:
+ GPT4All.download_model(model['path'], model_dir)
+ else:
+ raise ValueError(f"Model '{model['path']}' not found.")
+
+ model = GPT4All(model_name=model['path'],
+ n_threads=8,
+ verbose=False,
+ allow_download=False,
+ model_path=model_dir)
+
+ system_template = next((message['content'] for message in messages if message['role'] == 'system'),
+ 'A chat between a curious user and an artificial intelligence assistant.')
+
+ prompt_template = 'USER: {0}\nASSISTANT: '
+ conversation = '\n'.join(f"{msg['role'].upper()}: {msg['content']}" for msg in messages) + "\nASSISTANT: "
+
+ with model.chat_session(system_template, prompt_template):
+ if stream:
+ for token in model.generate(conversation, streaming=True):
+ yield token
+ else:
+ yield model.generate(conversation) \ No newline at end of file