1 files changed, 202 insertions, 0 deletions

diff --git a/g4f/client/async_client.py b/g4f/client/async_client.py
new file mode 100644
index 00000000..25de1c76
--- /dev/null
+++ b/g4f/client/async_client.py
@@ -0,0 +1,202 @@
+from __future__ import annotations
+
+import time
+import random
+import string
+
+from .types import Client as BaseClient
+from .types import ProviderType, FinishReason
+from .stubs import ChatCompletion, ChatCompletionChunk, ImagesResponse, Image
+from .types import AsyncIterResponse, ImageProvider
+from .image_models import ImageModels
+from .helper import filter_json, find_stop, filter_none, cast_iter_async
+from .service import get_last_provider, get_model_and_provider
+from ..typing import Union, Iterator, Messages, AsyncIterator, ImageType
+from ..errors import NoImageResponseError
+from ..image import ImageResponse as ImageProviderResponse
+from ..providers.base_provider import AsyncGeneratorProvider
+
+async def iter_response(
+    response: AsyncIterator[str],
+    stream: bool,
+    response_format: dict = None,
+    max_tokens: int = None,
+    stop: list = None
+) -> AsyncIterResponse:
+    content = ""
+    finish_reason = None
+    completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
+    count: int = 0
+    async for chunk in response:
+        if isinstance(chunk, FinishReason):
+            finish_reason = chunk.reason
+            break
+        content += str(chunk)
+        count += 1
+        if max_tokens is not None and count >= max_tokens:
+            finish_reason = "length"
+        first, content, chunk = find_stop(stop, content, chunk)
+        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: AsyncIterResponse) -> AsyncIterResponse:
+    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
+    ):
+        super().__init__(**kwargs)
+        self.chat: Chat = Chat(self, provider)
+        self.images: Images = Images(self, image_provider)
+
+def create_response(
+    messages: Messages,
+    model: str,
+    provider: ProviderType = None,
+    stream: bool = False,
+    proxy: str = None,
+    max_tokens: int = None,
+    stop: list[str] = None,
+    api_key: str = None,
+    **kwargs
+):
+    has_asnyc = isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider)
+    if has_asnyc:
+        create = provider.create_async_generator
+    else:
+        create = provider.create_completion
+    response = create(
+        model, messages, stream,            
+        **filter_none(
+            proxy=proxy,
+            max_tokens=max_tokens,
+            stop=stop,
+            api_key=api_key
+        ),
+        **kwargs
+    )
+    if not has_asnyc:
+        response = cast_iter_async(response)
+    return response
+
+class Completions():
+    def __init__(self, client: AsyncClient, provider: ProviderType = None):
+        self.client: AsyncClient = client
+        self.provider: ProviderType = provider
+
+    def create(
+        self,
+        messages: Messages,
+        model: str,
+        provider: ProviderType = None,
+        stream: bool = False,
+        proxy: str = None,
+        max_tokens: int = None,
+        stop: Union[list[str], str] = None,
+        api_key: str = None,
+        response_format: dict = 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 = create_response(
+            messages, model,
+            provider, stream,
+            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 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: Iterator) -> Union[ImagesResponse, None]:
+    async for chunk in response:
+        if isinstance(chunk, ImageProviderResponse):
+            return ImagesResponse([Image(image) for image in chunk.get_list()])
+
+def create_image(client: AsyncClient, provider: ProviderType, prompt: str, model: str = "", **kwargs) -> AsyncIterator:
+    prompt = f"create a image with: {prompt}"
+    if provider.__name__ == "You":
+        kwargs["chat_mode"] = "create"
+    return provider.create_async_generator(
+        model,
+        [{"role": "user", "content": prompt}],
+        stream=True,
+        proxy=client.get_proxy(),
+        **kwargs
+    )
+
+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, model: str = "", **kwargs) -> ImagesResponse:
+        provider = self.models.get(model, self.provider)
+        if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider):
+            response = create_image(self.client, provider, prompt, **kwargs)
+        else:
+            response = await provider.create_async(prompt)
+            return ImagesResponse([Image(image) for image in response.get_list()])
+        image = await iter_image_response(response)
+        if image is None:
+            raise NoImageResponseError()
+        return image
+
+    async def create_variation(self, image: ImageType, model: str = None, **kwargs):
+        provider = self.models.get(model, self.provider)
+        result = None
+        if isinstance(provider, type) and issubclass(provider, AsyncGeneratorProvider):
+            response = provider.create_async_generator(
+                "",
+                [{"role": "user", "content": "create a image like this"}],
+                True,
+                image=image,
+                proxy=self.client.get_proxy(),
+                **kwargs
+            )
+            result = iter_image_response(response)
+        if result is None:
+            raise NoImageResponseError()
+        return result
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