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ee26e8f271
* Add gpt4all-bindings/cli/README.md
* Unify version information
- Was previously split; base one on the other
- Add VERSION_INFO as the "source of truth":
- Modelled after sys.version_info.
- Implemented as a tuple, because it's much easier for (partial)
programmatic comparison.
- Previous API is kept intact.
* Add gpt4all-bindings/cli/developer_notes.md
- A few notes on what's what, especially regarding docs
* Add gpt4all-bindings/python/docs/gpt4all_cli.md
- The CLI user documentation
* Bump CLI version to 0.3.5
* Finalise docs & add to index.md
- Amend where necessary
- Fix typo in gpt4all_cli.md
- Mention and add link to CLI doc in index.md
* Add docstings to gpt4all-bindings/cli/app.py
* Better 'groovy' link & fix typo
- Documentation: point to the Hugging Face model card for 'groovy'
- Correct typo in app.py
123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
"""GPT4All CLI
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The GPT4All CLI is a self-contained script based on the `gpt4all` and `typer` packages. It offers a
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REPL to communicate with a language model similar to the chat GUI application, but more basic.
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"""
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import sys
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import typer
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from collections import namedtuple
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from typing_extensions import Annotated
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from gpt4all import GPT4All
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MESSAGES = [
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{"role": "system", "content": "You are a helpful assistant."},
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{"role": "user", "content": "Hello there."},
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{"role": "assistant", "content": "Hi, how can I help you?"},
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]
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SPECIAL_COMMANDS = {
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"/reset": lambda messages: messages.clear(),
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"/exit": lambda _: sys.exit(),
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"/clear": lambda _: print("\n" * 100),
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"/help": lambda _: print("Special commands: /reset, /exit, /help and /clear"),
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}
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VersionInfo = namedtuple('VersionInfo', ['major', 'minor', 'micro'])
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VERSION_INFO = VersionInfo(0, 3, 5)
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VERSION = '.'.join(map(str, VERSION_INFO)) # convert to string form, like: '1.2.3'
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CLI_START_MESSAGE = f"""
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██████ ██████ ████████ ██ ██ █████ ██ ██
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██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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██ ███ ██████ ██ ███████ ███████ ██ ██
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██ ██ ██ ██ ██ ██ ██ ██ ██
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██████ ██ ██ ██ ██ ██ ███████ ███████
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Welcome to the GPT4All CLI! Version {VERSION}
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Type /help for special commands.
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"""
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# create typer app
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app = typer.Typer()
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@app.command()
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def repl(
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model: Annotated[
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str,
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typer.Option("--model", "-m", help="Model to use for chatbot"),
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] = "ggml-gpt4all-j-v1.3-groovy",
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n_threads: Annotated[
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int,
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typer.Option("--n-threads", "-t", help="Number of threads to use for chatbot"),
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] = None,
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):
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"""The CLI read-eval-print loop."""
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gpt4all_instance = GPT4All(model)
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# if threads are passed, set them
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if n_threads is not None:
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num_threads = gpt4all_instance.model.thread_count()
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print(f"\nAdjusted: {num_threads} →", end="")
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# set number of threads
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gpt4all_instance.model.set_thread_count(n_threads)
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num_threads = gpt4all_instance.model.thread_count()
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print(f" {num_threads} threads", end="", flush=True)
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else:
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print(f"\nUsing {gpt4all_instance.model.thread_count()} threads", end="")
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print(CLI_START_MESSAGE)
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while True:
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message = input(" ⇢ ")
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# Check if special command and take action
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if message in SPECIAL_COMMANDS:
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SPECIAL_COMMANDS[message](MESSAGES)
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continue
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# if regular message, append to messages
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MESSAGES.append({"role": "user", "content": message})
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# execute chat completion and ignore the full response since
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# we are outputting it incrementally
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full_response = gpt4all_instance.chat_completion(
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MESSAGES,
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# preferential kwargs for chat ux
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logits_size=0,
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tokens_size=0,
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n_past=0,
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n_ctx=0,
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n_predict=200,
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top_k=40,
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top_p=0.9,
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temp=0.9,
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n_batch=9,
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repeat_penalty=1.1,
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repeat_last_n=64,
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context_erase=0.0,
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# required kwargs for cli ux (incremental response)
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verbose=False,
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streaming=True,
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)
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# record assistant's response to messages
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MESSAGES.append(full_response.get("choices")[0].get("message"))
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print() # newline before next prompt
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@app.command()
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def version():
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"""The CLI version command."""
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print(f"gpt4all-cli v{VERSION}")
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if __name__ == "__main__":
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app()
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