from __future__ import annotations import os import time import random import string import logging import asyncio from typing import Union, AsyncIterator from ..providers.base_provider import AsyncGeneratorProvider from ..image import ImageResponse, to_image, to_data_uri from ..typing import Messages, ImageType from ..providers.types import BaseProvider, ProviderType, FinishReason from ..providers.conversation import BaseConversation from ..image import ImageResponse as ImageProviderResponse from ..errors import NoImageResponseError from .stubs import ChatCompletion, ChatCompletionChunk, Image, ImagesResponse from .image_models import ImageModels from .types import IterResponse, ImageProvider from .types import Client as BaseClient from .service import get_model_and_provider, get_last_provider from .helper import find_stop, filter_json, filter_none from ..models import ModelUtils from ..Provider import IterListProvider from .helper import cast_iter_async try: anext # Python 3.8+ except NameError: async def anext(aiter): try: return await aiter.__anext__() except StopAsyncIteration: raise StopIteration async def safe_aclose(generator): try: await generator.aclose() except Exception as e: logging.warning(f"Error while closing generator: {e}") async def iter_response( response: AsyncIterator[str], stream: bool, response_format: dict = None, max_tokens: int = None, stop: list = None ) -> AsyncIterator[Union[ChatCompletion, ChatCompletionChunk]]: content = "" finish_reason = None completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28)) idx = 0 try: async for chunk in response: if isinstance(chunk, FinishReason): finish_reason = chunk.reason break elif isinstance(chunk, BaseConversation): yield chunk continue content += str(chunk) idx += 1 if max_tokens is not None and idx >= max_tokens: finish_reason = "length" first, content, chunk = find_stop(stop, content, chunk if stream else None) 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 = filter_json(content) yield ChatCompletion(content, finish_reason, completion_id, int(time.time())) finally: if hasattr(response, 'aclose'): await safe_aclose(response) async def iter_append_model_and_provider(response: AsyncIterator) -> AsyncIterator: last_provider = None try: async for chunk in response: last_provider = get_last_provider(True) if last_provider is None else last_provider chunk.model = last_provider.get("model") chunk.provider = last_provider.get("name") yield chunk finally: if hasattr(response, 'aclose'): await safe_aclose(response) class AsyncClient(BaseClient): def __init__( self, provider: ProviderType = None, image_provider: ImageProvider = None, **kwargs ) -> None: super().__init__(**kwargs) self.chat: Chat = Chat(self, provider) self._images: Images = Images(self, image_provider) @property def images(self) -> Images: return self._images class Completions: def __init__(self, client: 'AsyncClient', provider: ProviderType = None): self.client: 'AsyncClient' = client self.provider: ProviderType = provider async def create( self, messages: Messages, model: str, provider: ProviderType = None, stream: bool = False, proxy: str = None, response_format: dict = None, max_tokens: int = None, stop: Union[list[str], str] = None, api_key: str = None, ignored: list[str] = None, ignore_working: bool = False, ignore_stream: bool = False, **kwargs ) -> Union[ChatCompletion, AsyncIterator[ChatCompletionChunk]]: model, provider = get_model_and_provider( model, self.provider if provider is None else provider, stream, ignored, ignore_working, ignore_stream, ) stop = [stop] if isinstance(stop, str) else stop response = provider.create_completion( model, messages, stream=stream, **filter_none( proxy=self.client.get_proxy() if proxy is None else proxy, max_tokens=max_tokens, stop=stop, api_key=self.client.api_key if api_key is None else api_key ), **kwargs ) if isinstance(response, AsyncIterator): response = iter_response(response, stream, response_format, max_tokens, stop) response = iter_append_model_and_provider(response) return response if stream else await anext(response) else: response = cast_iter_async(response) response = iter_response(response, stream, response_format, max_tokens, stop) response = iter_append_model_and_provider(response) return response if stream else await anext(response) class Chat: completions: Completions def __init__(self, client: AsyncClient, provider: ProviderType = None): self.completions = Completions(client, provider) async def iter_image_response(response: AsyncIterator) -> Union[ImagesResponse, None]: logging.info("Starting iter_image_response") try: async for chunk in response: logging.info(f"Processing chunk: {chunk}") if isinstance(chunk, ImageProviderResponse): logging.info("Found ImageProviderResponse") return ImagesResponse([Image(image) for image in chunk.get_list()]) logging.warning("No ImageProviderResponse found in the response") return None finally: if hasattr(response, 'aclose'): await safe_aclose(response) async def create_image(client: AsyncClient, provider: ProviderType, prompt: str, model: str = "", **kwargs) -> AsyncIterator: logging.info(f"Creating image with provider: {provider}, model: {model}, prompt: {prompt}") if isinstance(provider, type) and provider.__name__ == "You": kwargs["chat_mode"] = "create" else: prompt = f"create an image with: {prompt}" response = await provider.create_completion( model, [{"role": "user", "content": prompt}], stream=True, proxy=client.get_proxy(), **kwargs ) logging.info(f"Response from create_completion: {response}") return response class Images: def __init__(self, client: 'AsyncClient', provider: ImageProvider = None): self.client: 'AsyncClient' = client self.provider: ImageProvider = provider self.models: ImageModels = ImageModels(client) async def generate(self, prompt: str, model: str = None, **kwargs) -> ImagesResponse: logging.info(f"Starting asynchronous image generation for model: {model}, prompt: {prompt}") provider = self.models.get(model, self.provider) if provider is None: raise ValueError(f"Unknown model: {model}") logging.info(f"Provider: {provider}") if isinstance(provider, IterListProvider): if provider.providers: provider = provider.providers[0] logging.info(f"Using first provider from IterListProvider: {provider}") else: raise ValueError(f"IterListProvider for model {model} has no providers") if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider): logging.info("Using AsyncGeneratorProvider") messages = [{"role": "user", "content": prompt}] generator = None try: generator = provider.create_async_generator(model, messages, **kwargs) async for response in generator: logging.debug(f"Received response: {type(response)}") if isinstance(response, ImageResponse): return self._process_image_response(response) elif isinstance(response, str): image_response = ImageResponse([response], prompt) return self._process_image_response(image_response) except RuntimeError as e: if "async generator ignored GeneratorExit" in str(e): logging.warning("Generator ignored GeneratorExit, handling gracefully") else: raise finally: if generator and hasattr(generator, 'aclose'): await safe_aclose(generator) logging.info("AsyncGeneratorProvider processing completed") elif hasattr(provider, 'create'): logging.info("Using provider's create method") async_create = asyncio.iscoroutinefunction(provider.create) if async_create: response = await provider.create(prompt) else: response = provider.create(prompt) if isinstance(response, ImageResponse): return self._process_image_response(response) elif isinstance(response, str): image_response = ImageResponse([response], prompt) return self._process_image_response(image_response) elif hasattr(provider, 'create_completion'): logging.info("Using provider's create_completion method") response = await create_image(self.client, provider, prompt, model, **kwargs) async for chunk in response: if isinstance(chunk, ImageProviderResponse): logging.info("Found ImageProviderResponse") return ImagesResponse([Image(image) for image in chunk.get_list()]) else: raise ValueError(f"Provider {provider} does not support image generation") logging.error(f"Unexpected response type: {type(response)}") raise NoImageResponseError(f"Unexpected response type: {type(response)}") def _process_image_response(self, response: ImageResponse) -> ImagesResponse: processed_images = [] for image_data in response.get_list(): if image_data.startswith('http://') or image_data.startswith('https://'): processed_images.append(Image(url=image_data)) else: image = to_image(image_data) file_name = self._save_image(image) processed_images.append(Image(url=file_name)) return ImagesResponse(processed_images) def _save_image(self, image: 'PILImage') -> str: os.makedirs('generated_images', exist_ok=True) file_name = f"generated_images/image_{int(time.time())}.png" image.save(file_name) return file_name async def create_variation(self, image: Union[str, bytes], model: str = None, **kwargs) -> ImagesResponse: provider = self.models.get(model, self.provider) if provider is None: raise ValueError(f"Unknown model: {model}") if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider): messages = [{"role": "user", "content": "create a variation of this image"}] image_data = to_data_uri(image) generator = None try: generator = provider.create_async_generator(model, messages, image=image_data, **kwargs) async for response in generator: if isinstance(response, ImageResponse): return self._process_image_response(response) elif isinstance(response, str): image_response = ImageResponse([response], "Image variation") return self._process_image_response(image_response) except RuntimeError as e: if "async generator ignored GeneratorExit" in str(e): logging.warning("Generator ignored GeneratorExit in create_variation, handling gracefully") else: raise finally: if generator and hasattr(generator, 'aclose'): await safe_aclose(generator) logging.info("AsyncGeneratorProvider processing completed in create_variation") elif hasattr(provider, 'create_variation'): if asyncio.iscoroutinefunction(provider.create_variation): response = await provider.create_variation(image, **kwargs) else: response = provider.create_variation(image, **kwargs) if isinstance(response, ImageResponse): return self._process_image_response(response) elif isinstance(response, str): image_response = ImageResponse([response], "Image variation") return self._process_image_response(image_response) else: raise ValueError(f"Provider {provider} does not support image variation")