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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
async def iter_response(
response: AsyncIterator[str],
stream: bool,
response_format: dict = None,
max_tokens: int = None,
stop: list = None
) -> AsyncIterator[ChatCompletion | ChatCompletionChunk]:
content = ""
finish_reason = None
completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
async for idx, chunk in enumerate(response):
if isinstance(chunk, FinishReason):
finish_reason = chunk.reason
break
elif isinstance(chunk, BaseConversation):
yield chunk
continue
content += str(chunk)
if max_tokens is not None and idx + 1 >= 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()))
async def iter_append_model_and_provider(response: AsyncIterator) -> AsyncIterator:
last_provider = None
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
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 = await 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
)
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")
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
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}]
async for response in provider.create_async_generator(model, messages, **kwargs):
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'):
logging.info("Using provider's create method")
if asyncio.iscoroutinefunction(provider.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)
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)
async for response in provider.create_async_generator(model, messages, image=image_data, **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)
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")
raise NoImageResponseError("Failed to create image variation")
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