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authorabc <98614666+xtekky@users.noreply.github.com>2024-03-11 19:26:34 +0100
committerabc <98614666+xtekky@users.noreply.github.com>2024-03-11 19:26:34 +0100
commitb7342b1f130aa867eec17d973b0cab00b16a4507 (patch)
treea0936e607ee1701ab3ae68f2dc47bf503c20bff7 /g4f
parent~ (diff)
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-rw-r--r--g4f/local/__init__.py109
-rw-r--r--g4f/local/core/engine.py42
-rw-r--r--g4f/local/core/models.py86
-rw-r--r--g4f/local/models/model-here1
4 files changed, 238 insertions, 0 deletions
diff --git a/g4f/local/__init__.py b/g4f/local/__init__.py
new file mode 100644
index 00000000..626643fc
--- /dev/null
+++ b/g4f/local/__init__.py
@@ -0,0 +1,109 @@
+import random, string, time, re
+
+from ..typing import Union, Iterator, Messages
+from ..stubs import ChatCompletion, ChatCompletionChunk
+from .core.engine import LocalProvider
+from .core.models import models
+
+IterResponse = Iterator[Union[ChatCompletion, ChatCompletionChunk]]
+
+def read_json(text: str) -> dict:
+ match = re.search(r"```(json|)\n(?P<code>[\S\s]+?)\n```", text)
+ if match:
+ return match.group("code")
+ return text
+
+def iter_response(
+ response: Iterator[str],
+ stream: bool,
+ response_format: dict = None,
+ max_tokens: int = None,
+ stop: list = None
+) -> IterResponse:
+
+ content = ""
+ finish_reason = None
+ completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
+ for idx, chunk in enumerate(response):
+ content += str(chunk)
+ if max_tokens is not None and idx + 1 >= max_tokens:
+ finish_reason = "length"
+ first = -1
+ word = None
+ if stop is not None:
+ for word in list(stop):
+ first = content.find(word)
+ if first != -1:
+ content = content[:first]
+ break
+ if stream and first != -1:
+ first = chunk.find(word)
+ if first != -1:
+ chunk = chunk[:first]
+ else:
+ first = 0
+ if first != -1:
+ finish_reason = "stop"
+ if stream:
+ yield ChatCompletionChunk(chunk, None, completion_id, int(time.time()))
+ if finish_reason is not None:
+ break
+ finish_reason = "stop" if finish_reason is None else finish_reason
+ if stream:
+ yield ChatCompletionChunk(None, finish_reason, completion_id, int(time.time()))
+ else:
+ if response_format is not None and "type" in response_format:
+ if response_format["type"] == "json_object":
+ content = read_json(content)
+ yield ChatCompletion(content, finish_reason, completion_id, int(time.time()))
+
+def filter_none(**kwargs):
+ for key in list(kwargs.keys()):
+ if kwargs[key] is None:
+ del kwargs[key]
+ return kwargs
+
+class LocalClient():
+ def __init__(
+ self,
+ **kwargs
+ ) -> None:
+ self.chat: Chat = Chat(self)
+
+ @staticmethod
+ def list_models():
+ return list(models.keys())
+
+class Completions():
+ def __init__(self, client: LocalClient):
+ self.client: LocalClient = client
+
+ def create(
+ self,
+ messages: Messages,
+ model: str,
+ stream: bool = False,
+ response_format: dict = None,
+ max_tokens: int = None,
+ stop: Union[list[str], str] = None,
+ **kwargs
+ ) -> Union[ChatCompletion, Iterator[ChatCompletionChunk]]:
+
+ stop = [stop] if isinstance(stop, str) else stop
+ response = LocalProvider.create_completion(
+ model, messages, stream,
+ **filter_none(
+ max_tokens=max_tokens,
+ stop=stop,
+ ),
+ **kwargs
+ )
+ response = iter_response(response, stream, response_format, max_tokens, stop)
+ return response if stream else next(response)
+
+class Chat():
+ completions: Completions
+
+ def __init__(self, client: LocalClient):
+ self.completions = Completions(client)
+ \ No newline at end of file
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
diff --git a/g4f/local/core/models.py b/g4f/local/core/models.py
new file mode 100644
index 00000000..ec36fe41
--- /dev/null
+++ b/g4f/local/core/models.py
@@ -0,0 +1,86 @@
+models = {
+ "mistral-7b": {
+ "path": "mistral-7b-openorca.gguf2.Q4_0.gguf",
+ "ram": "8",
+ "prompt": "<|im_start|>user\n%1<|im_end|>\n<|im_start|>assistant\n",
+ "system": "<|im_start|>system\nYou are MistralOrca, a large language model trained by Alignment Lab AI. For multi-step problems, write out your reasoning for each step.\n<|im_end|>"
+ },
+ "mistral-7b-instruct": {
+ "path": "mistral-7b-instruct-v0.1.Q4_0.gguf",
+ "ram": "8",
+ "prompt": "[INST] %1 [/INST]",
+ "system": None
+ },
+ "gpt4all-falcon": {
+ "path": "gpt4all-falcon-newbpe-q4_0.gguf",
+ "ram": "8",
+ "prompt": "### Instruction:\n%1\n### Response:\n",
+ "system": None
+ },
+ "orca-2": {
+ "path": "orca-2-13b.Q4_0.gguf",
+ "ram": "16",
+ "prompt": None,
+ "system": None
+ },
+ "wizardlm-13b": {
+ "path": "wizardlm-13b-v1.2.Q4_0.gguf",
+ "ram": "16",
+ "prompt": None,
+ "system": None
+ },
+ "nous-hermes-llama2": {
+ "path": "nous-hermes-llama2-13b.Q4_0.gguf",
+ "ram": "16",
+ "prompt": "### Instruction:\n%1\n### Response:\n",
+ "system": None
+ },
+ "gpt4all-13b-snoozy": {
+ "path": "gpt4all-13b-snoozy-q4_0.gguf",
+ "ram": "16",
+ "prompt": None,
+ "system": None
+ },
+ "mpt-7b-chat": {
+ "path": "mpt-7b-chat-newbpe-q4_0.gguf",
+ "ram": "8",
+ "prompt": "<|im_start|>user\n%1<|im_end|>\n<|im_start|>assistant\n",
+ "system": "<|im_start|>system\n- You are a helpful assistant chatbot trained by MosaicML.\n- You answer questions.\n- You are excited to be able to help the user, but will refuse to do anything that could be considered harmful to the user.\n- You are more than just an information source, you are also able to write poetry, short stories, and make jokes.<|im_end|>"
+ },
+ "orca-mini-3b": {
+ "path": "orca-mini-3b-gguf2-q4_0.gguf",
+ "ram": "4",
+ "prompt": "### User:\n%1\n### Response:\n",
+ "system": "### System:\nYou are an AI assistant that follows instruction extremely well. Help as much as you can.\n\n"
+ },
+ "replit-code-3b": {
+ "path": "replit-code-v1_5-3b-newbpe-q4_0.gguf",
+ "ram": "4",
+ "prompt": "%1",
+ "system": None
+ },
+ "starcoder": {
+ "path": "starcoder-newbpe-q4_0.gguf",
+ "ram": "4",
+ "prompt": "%1",
+ "system": None
+ },
+ "rift-coder-7b": {
+ "path": "rift-coder-v0-7b-q4_0.gguf",
+ "ram": "8",
+ "prompt": "%1",
+ "system": None
+ },
+ "all-MiniLM-L6-v2": {
+ "path": "all-MiniLM-L6-v2-f16.gguf",
+ "ram": "1",
+ "prompt": None,
+ "system": None
+ },
+ "mistral-7b-german": {
+ "path": "em_german_mistral_v01.Q4_0.gguf",
+ "ram": "8",
+ "prompt": "USER: %1 ASSISTANT: ",
+ "system": "Du bist ein hilfreicher Assistent. "
+ }
+} \ No newline at end of file
diff --git a/g4f/local/models/model-here b/g4f/local/models/model-here
new file mode 100644
index 00000000..945c9b46
--- /dev/null
+++ b/g4f/local/models/model-here
@@ -0,0 +1 @@
+. \ No newline at end of file