Upgraded media

This commit is contained in:
Saifeddine ALOUI 2023-12-17 12:02:33 +01:00
parent 2815296592
commit 62a8af9c3b
2 changed files with 19 additions and 277 deletions

View File

@ -1,267 +0,0 @@
"""Wrapper around llama.cpp."""
import logging
from typing import Any, Dict, Generator, List, Optional
from pydantic import Field, root_validator
from langchain.callbacks.manager import CallbackManagerForLLMRun
from langchain.llms.base import LLM
logger = logging.getLogger(__name__)
class LLMModel(LLM):
"""Wrapper around the llama.cpp model.
To use, you should have the llama-cpp-python library installed, and provide the
path to the Llama model as a named parameter to the constructor.
Check out: https://github.com/abetlen/llama-cpp-python
Example:
.. code-block:: python
from langchain.llms import LlamaCppEmbeddings
llm = LlamaCppEmbeddings(model_path="/path/to/llama/model")
"""
client: Any #: :meta private:
model_path: str
"""The path to the Llama model file."""
lora_base: Optional[str] = None
"""The path to the Llama LoRA base model."""
lora_path: Optional[str] = None
"""The path to the Llama LoRA. If None, no LoRa is loaded."""
n_ctx: int = Field(512, alias="n_ctx")
"""Token context window."""
n_parts: int = Field(-1, alias="n_parts")
"""Number of parts to split the model into.
If -1, the number of parts is automatically determined."""
seed: int = Field(-1, alias="seed")
"""Seed. If -1, a random seed is used."""
f16_kv: bool = Field(True, alias="f16_kv")
"""Use half-precision for key/value cache."""
logits_all: bool = Field(False, alias="logits_all")
"""Return logits for all tokens, not just the last token."""
vocab_only: bool = Field(False, alias="vocab_only")
"""Only load the vocabulary, no weights."""
use_mlock: bool = Field(False, alias="use_mlock")
"""Force system to keep model in RAM."""
n_threads: Optional[int] = Field(None, alias="n_threads")
"""Number of threads to use.
If None, the number of threads is automatically determined."""
n_batch: Optional[int] = Field(8, alias="n_batch")
"""Number of tokens to process in parallel.
Should be a number between 1 and n_ctx."""
n_gpu_layers: Optional[int] = Field(None, alias="n_gpu_layers")
"""Number of layers to be loaded into gpu memory. Default None."""
suffix: Optional[str] = Field(None)
"""A suffix to append to the generated text. If None, no suffix is appended."""
max_tokens: Optional[int] = 256
"""The maximum number of tokens to generate."""
temperature: Optional[float] = 0.8
"""The temperature to use for sampling."""
top_p: Optional[float] = 0.95
"""The top-p value to use for sampling."""
logprobs: Optional[int] = Field(None)
"""The number of logprobs to return. If None, no logprobs are returned."""
echo: Optional[bool] = False
"""Whether to echo the prompt."""
stop: Optional[List[str]] = []
"""A list of strings to stop generation when encountered."""
repeat_penalty: Optional[float] = 1.1
"""The penalty to apply to repeated tokens."""
top_k: Optional[int] = 40
"""The top-k value to use for sampling."""
last_n_tokens_size: Optional[int] = 64
"""The number of tokens to look back when applying the repeat_penalty."""
use_mmap: Optional[bool] = True
"""Whether to keep the model loaded in RAM"""
streaming: bool = True
"""Whether to stream the results, token by token."""
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that llama-cpp-python library is installed."""
model = values["model"]
model_param_names = [
"lora_path",
"lora_base",
"n_ctx",
"n_parts",
"seed",
"f16_kv",
"logits_all",
"vocab_only",
"use_mlock",
"n_threads",
"n_batch",
"use_mmap",
"last_n_tokens_size",
]
model_params = {k: values[k] for k in model_param_names}
# For backwards compatibility, only include if non-null.
if values["n_gpu_layers"] is not None:
model_params["n_gpu_layers"] = values["n_gpu_layers"]
values["client"] = model
return values
@property
def _default_params(self) -> Dict[str, Any]:
"""Get the default parameters for calling llama_cpp."""
return {
"suffix": self.suffix,
"max_tokens": self.max_tokens,
"temperature": self.temperature,
"top_p": self.top_p,
"logprobs": self.logprobs,
"echo": self.echo,
"stop_sequences": self.stop, # key here is convention among LLM classes
"repeat_penalty": self.repeat_penalty,
"top_k": self.top_k,
}
@property
def _identifying_params(self) -> Dict[str, Any]:
"""Get the identifying parameters."""
return {**{"model_path": self.model_path}, **self._default_params}
@property
def _llm_type(self) -> str:
"""Return type of llm."""
return "lollms_generic_llm"
def _get_parameters(self, stop: Optional[List[str]] = None) -> Dict[str, Any]:
"""
Performs sanity check, preparing paramaters in format needed by llama_cpp.
Args:
stop (Optional[List[str]]): List of stop sequences for llama_cpp.
Returns:
Dictionary containing the combined parameters.
"""
# Raise error if stop sequences are in both input and default params
if self.stop and stop is not None:
raise ValueError("`stop` found in both the input and default params.")
params = self._default_params
# llama_cpp expects the "stop" key not this, so we remove it:
params.pop("stop_sequences")
# then sets it as configured, or default to an empty list:
params["stop"] = self.stop or stop or []
return params
def _call(
self,
prompt: str,
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
) -> str:
"""Call the model and return the output.
Args:
prompt: The prompt to use for generation.
stop: A list of strings to stop generation when encountered.
Returns:
The generated text.
Example:
.. code-block:: python
from langchain.llms import LlamaCpp
llm = LlamaCpp(model_path="/path/to/local/llama/model.bin")
llm("This is a prompt.")
"""
if self.streaming:
# If streaming is enabled, we use the stream
# method that yields as they are generated
# and return the combined strings from the first choices's text:
combined_text_output = ""
for token in self.stream(prompt=prompt, stop=stop, run_manager=run_manager):
combined_text_output += token["choices"][0]["text"]
return combined_text_output
else:
params = self._get_parameters(stop)
result = self.client(prompt=prompt, **params)
return result["choices"][0]["text"]
def stream(
self,
prompt: str,
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
) -> Generator[Dict, None, None]:
"""Yields results objects as they are generated in real time.
BETA: this is a beta feature while we figure out the right abstraction:
Once that happens, this interface could change.
It also calls the callback manager's on_llm_new_token event with
similar parameters to the OpenAI LLM class method of the same name.
Args:
prompt: The prompts to pass into the model.
stop: Optional list of stop words to use when generating.
Returns:
A generator representing the stream of tokens being generated.
Yields:
A dictionary like objects containing a string token and metadata.
See llama-cpp-python docs and below for more.
Example:
.. code-block:: python
from langchain.llms import LlamaCpp
llm = LlamaCpp(
model_path="/path/to/local/model.bin",
temperature = 0.5
)
for chunk in llm.stream("Ask 'Hi, how are you?' like a pirate:'",
stop=["'","\n"]):
result = chunk["choices"][0]
print(result["text"], end='', flush=True)
"""
params = self._get_parameters(stop)
result = self.client(prompt=prompt, stream=True, **params)
for chunk in result:
token = chunk["choices"][0]["text"]
log_probs = chunk["choices"][0].get("logprobs", None)
if run_manager:
run_manager.on_llm_new_token(
token=token, verbose=self.verbose, log_probs=log_probs
)
yield chunk

View File

@ -130,6 +130,13 @@ class AudioRecorder:
# Convert to float # Convert to float
audio_data = self.audio_frames.astype(np.float32) audio_data = self.audio_frames.astype(np.float32)
audio = wave.open(str(self.filename), 'wb')
audio.setnchannels(self.channels)
audio.setsampwidth(pyaudio.PyAudio().get_sample_size(self.audio_format))
audio.setframerate(self.sample_rate)
audio.writeframes(b''.join(self.audio_frames[non_silent_start:non_silent_end]))
audio.close()
# Transcribe the audio using the whisper model # Transcribe the audio using the whisper model
text = self.whisper_model.transcribe(audio_data[non_silent_start:non_silent_end]) text = self.whisper_model.transcribe(audio_data[non_silent_start:non_silent_end])
@ -183,18 +190,20 @@ class AudioRecorder:
def stop_recording(self): def stop_recording(self):
self.is_recording = False self.is_recording = False
self.audio_stream.stop_stream() if self.audio_stream:
self.audio_stream.close() self.audio_stream.stop_stream()
self.audio_stream.close()
audio = wave.open(str(self.filename), 'wb') audio = wave.open(str(self.filename), 'wb')
audio.setnchannels(self.channels) audio.setnchannels(self.channels)
audio.setsampwidth(pyaudio.PyAudio().get_sample_size(self.audio_format)) audio.setsampwidth(pyaudio.PyAudio().get_sample_size(self.audio_format))
audio.setframerate(self.sample_rate) audio.setframerate(self.sample_rate)
audio.writeframes(b''.join(self.audio_frames)) audio.writeframes(b''.join(self.audio_frames))
audio.close() audio.close()
self.lollmsCom.info(f"Recording saved to {self.filename}")
self.lollmsCom.info(f"Recording saved to {self.filename}")
else:
self.warning("No recording available")
class WebcamImageSender: class WebcamImageSender:
""" """