gpt / gpt4free /g4f /client /__init__.py
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Add gpt4free API for Hugging Face
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from __future__ import annotations
import os
import time
import random
import string
import asyncio
import aiohttp
import base64
from typing import Union, AsyncIterator, Iterator, Awaitable, Optional
from ..image.copy_images import copy_media, get_media_dir
from ..typing import Messages, ImageType
from ..providers.types import ProviderType, BaseRetryProvider
from ..providers.response import *
from ..errors import NoMediaResponseError
from ..providers.retry_provider import IterListProvider
from ..providers.asyncio import to_sync_generator
from ..providers.any_provider import AnyProvider
from ..Provider import OpenaiAccount, PollinationsImage
from ..tools.run_tools import async_iter_run_tools, iter_run_tools
from .stubs import ChatCompletion, ChatCompletionChunk, Image, ImagesResponse, UsageModel, ToolCallModel, ClientResponse
from .models import ClientModels
from .types import IterResponse, Client as BaseClient
from .service import convert_to_provider
from .helper import find_stop, filter_json, filter_none, safe_aclose
from .. import debug
ChatCompletionResponseType = Iterator[Union[ChatCompletion, ChatCompletionChunk, BaseConversation]]
AsyncChatCompletionResponseType = AsyncIterator[Union[ChatCompletion, ChatCompletionChunk, BaseConversation]]
try:
anext # Python 3.8+
except NameError:
async def anext(aiter):
try:
return await aiter.__anext__()
except StopAsyncIteration:
raise StopIteration
def add_chunk(content, chunk):
if content == "" and isinstance(chunk, (MediaResponse, AudioResponse)):
content = chunk
elif not isinstance(chunk, (Reasoning, ToolCalls)):
content = str(content) + str(chunk)
return content
def resolve_media(kwargs: dict, image = None, image_name: str = None) -> None:
if image is not None:
kwargs["media"] = [(image, getattr(image, "name", image_name))]
elif "images" in kwargs:
kwargs["media"] = kwargs.pop("images")
if kwargs.get("media") is None:
kwargs.pop("media", None)
elif not isinstance(kwargs["media"], list):
kwargs["media"] = [kwargs["media"]]
for idx, media in enumerate(kwargs.get("media", [])):
if not isinstance(media, (list, tuple)):
kwargs["media"][idx] = (media, getattr(media, "name", None))
# Synchronous iter_response function
def iter_response(
response: Union[Iterator[Union[str, ResponseType]]],
stream: bool,
response_format: Optional[dict] = None,
max_tokens: Optional[int] = None,
stop: Optional[list[str]] = None
) -> ChatCompletionResponseType:
content = ""
reasoning = []
finish_reason = None
tool_calls = None
usage = None
provider: ProviderInfo = None
conversation: JsonConversation = None
completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
idx = 0
if hasattr(response, '__aiter__'):
response = to_sync_generator(response)
for chunk in response:
if isinstance(chunk, FinishReason):
finish_reason = chunk.reason
continue
elif isinstance(chunk, JsonConversation):
conversation = chunk
continue
elif isinstance(chunk, ToolCalls):
if not stream:
tool_calls = chunk.get_list()
continue
elif isinstance(chunk, Usage):
usage = chunk
continue
elif isinstance(chunk, ProviderInfo):
provider = chunk
continue
elif isinstance(chunk, Reasoning):
reasoning.append(chunk)
elif isinstance(chunk, HiddenResponse):
continue
elif isinstance(chunk, Exception):
continue
elif not chunk:
continue
content = add_chunk(content, 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:
chunk = ChatCompletionChunk.model_construct(chunk, None, completion_id, int(time.time()))
if provider is not None:
chunk.provider = provider.name
chunk.model = provider.model
yield chunk
if finish_reason is not None:
break
if usage is None:
usage = UsageModel.model_construct(completion_tokens=idx, total_tokens=idx)
else:
usage = UsageModel.model_construct(**usage.get_dict())
finish_reason = "stop" if finish_reason is None else finish_reason
if stream:
chat_completion = ChatCompletionChunk.model_construct(
None, finish_reason, completion_id, int(time.time()), usage=usage
)
else:
if response_format is not None and "type" in response_format:
if response_format["type"] == "json_object":
content = filter_json(content)
chat_completion = ChatCompletion.model_construct(
content, finish_reason, completion_id, int(time.time()), usage=usage,
**(filter_none(
tool_calls=[ToolCallModel.model_construct(**tool_call) for tool_call in tool_calls]
) if tool_calls is not None else {}),
conversation=None if conversation is None else conversation.get_dict(),
reasoning=reasoning if reasoning else None
)
if provider is not None:
chat_completion.provider = provider.name
chat_completion.model = provider.model
yield chat_completion
# Synchronous iter_append_model_and_provider function
def iter_append_model_and_provider(response: ChatCompletionResponseType, last_model: str, last_provider: ProviderType) -> ChatCompletionResponseType:
if isinstance(last_provider, BaseRetryProvider):
yield from response
return
for chunk in response:
if isinstance(chunk, (ChatCompletion, ChatCompletionChunk)):
if chunk.provider is None and last_provider is not None:
chunk.model = getattr(last_provider, "last_model", last_model)
chunk.provider = last_provider.__name__
yield chunk
async def async_iter_response(
response: AsyncIterator[Union[str, ResponseType]],
stream: bool,
response_format: Optional[dict] = None,
max_tokens: Optional[int] = None,
stop: Optional[list[str]] = None
) -> AsyncChatCompletionResponseType:
content = ""
reasoning = []
finish_reason = None
completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
idx = 0
tool_calls = None
usage = None
provider: ProviderInfo = None
conversation: JsonConversation = None
try:
async for chunk in response:
if isinstance(chunk, FinishReason):
finish_reason = chunk.reason
continue
elif isinstance(chunk, JsonConversation):
conversation = chunk
continue
elif isinstance(chunk, ToolCalls):
if not stream:
tool_calls = chunk.get_list()
continue
elif isinstance(chunk, Usage):
usage = chunk
continue
elif isinstance(chunk, ProviderInfo):
provider = chunk
continue
elif isinstance(chunk, Reasoning) and not stream:
reasoning.append(chunk)
elif isinstance(chunk, HiddenResponse):
continue
elif isinstance(chunk, Exception):
continue
elif not chunk:
continue
content = add_chunk(content, 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:
chunk = ChatCompletionChunk.model_construct(chunk, None, completion_id, int(time.time()))
if provider is not None:
chunk.provider = provider.name
chunk.model = provider.model
yield chunk
if finish_reason is not None:
break
finish_reason = "stop" if finish_reason is None else finish_reason
if usage is None:
usage = UsageModel.model_construct(completion_tokens=idx, total_tokens=idx)
else:
usage = UsageModel.model_construct(**usage.get_dict())
if stream:
chat_completion = ChatCompletionChunk.model_construct(
None, finish_reason, completion_id, int(time.time()), usage=usage, conversation=conversation
)
else:
if response_format is not None and "type" in response_format:
if response_format["type"] == "json_object":
content = filter_json(content)
chat_completion = ChatCompletion.model_construct(
content, finish_reason, completion_id, int(time.time()), usage=usage,
**(filter_none(
tool_calls=[ToolCallModel.model_construct(**tool_call) for tool_call in tool_calls]
) if tool_calls else {}),
conversation=conversation,
reasoning=reasoning if reasoning else None
)
if provider is not None:
chat_completion.provider = provider.name
chat_completion.model = provider.model
yield chat_completion
finally:
await safe_aclose(response)
async def async_response(
response: AsyncIterator[Union[str, ResponseType]]
) -> ClientResponse:
content = ""
response_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
idx = 0
usage = None
provider: ProviderInfo = None
conversation: JsonConversation = None
async for chunk in response:
if isinstance(chunk, FinishReason):
continue
elif isinstance(chunk, JsonConversation):
conversation = chunk
continue
elif isinstance(chunk, ToolCalls):
continue
elif isinstance(chunk, Usage):
usage = chunk
continue
elif isinstance(chunk, ProviderInfo):
provider = chunk
continue
elif isinstance(chunk, HiddenResponse):
continue
elif isinstance(chunk, Exception):
continue
content = add_chunk(content, chunk)
if not content:
continue
idx += 1
if usage is None:
usage = UsageModel.model_construct(completion_tokens=idx, total_tokens=idx)
else:
usage = UsageModel.model_construct(**usage.get_dict())
response = ClientResponse.model_construct(
content, response_id, int(time.time()), usage=usage, conversation=conversation
)
if provider is not None:
response.provider = provider.name
response.model = provider.model
return response
async def async_iter_append_model_and_provider(
response: AsyncChatCompletionResponseType,
last_model: str,
last_provider: ProviderType
) -> AsyncChatCompletionResponseType:
try:
if isinstance(last_provider, BaseRetryProvider):
async for chunk in response:
yield chunk
return
async for chunk in response:
if isinstance(chunk, (ChatCompletion, ChatCompletionChunk)):
if chunk.provider is None and last_provider is not None:
chunk.model = getattr(last_provider, "last_model", last_model)
chunk.provider = last_provider.__name__
yield chunk
finally:
await safe_aclose(response)
class Client(BaseClient):
def __init__(
self,
provider: Optional[ProviderType] = None,
media_provider: Optional[ProviderType] = None,
**kwargs
) -> None:
super().__init__(**kwargs)
self.chat: Chat = Chat(self, provider)
if media_provider is None:
media_provider = kwargs.get("image_provider", provider)
self.models: ClientModels = ClientModels(self, provider, media_provider)
self.images: Images = Images(self, media_provider)
self.media: Images = self.images
class Completions:
def __init__(self, client: Client, provider: Optional[ProviderType] = None):
self.client: Client = client
self.provider: ProviderType = provider
def create(
self,
messages: Messages,
model: str = "",
provider: Optional[ProviderType] = None,
stream: Optional[bool] = False,
proxy: Optional[str] = None,
image: Optional[ImageType] = None,
image_name: Optional[str] = None,
response_format: Optional[dict] = None,
max_tokens: Optional[int] = None,
stop: Optional[Union[list[str], str]] = None,
api_key: Optional[str] = None,
ignore_stream: Optional[bool] = False,
**kwargs
) -> ChatCompletion:
if isinstance(messages, str):
messages = [{"role": "user", "content": messages}]
resolve_media(kwargs, image, image_name)
if hasattr(model, "name"):
model = model.get_long_name()
if provider is None:
provider = self.provider
if provider is None:
provider = AnyProvider
if isinstance(provider, str):
provider = convert_to_provider(provider)
stop = [stop] if isinstance(stop, str) else stop
if ignore_stream:
kwargs["ignore_stream"] = True
response = iter_run_tools(
provider,
model=model,
messages=messages,
stream=stream,
**filter_none(
proxy=self.client.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, model, provider)
if stream:
return response
else:
return next(response)
def stream(
self,
messages: Messages,
model: str = "",
**kwargs
) -> IterResponse:
return self.create(messages, model, stream=True, **kwargs)
class Chat:
completions: Completions
def __init__(self, client: Client, provider: Optional[ProviderType] = None):
self.completions = Completions(client, provider)
class Images:
def __init__(self, client: Client, provider: Optional[ProviderType] = None):
self.client: Client = client
self.provider: Optional[ProviderType] = provider
def generate(
self,
prompt: str,
model: str = None,
provider: Optional[ProviderType] = None,
response_format: Optional[str] = None,
proxy: Optional[str] = None,
**kwargs
) -> ImagesResponse:
"""
Synchronous generate method that runs the async_generate method in an event loop.
"""
return asyncio.run(self.async_generate(prompt, model, provider, response_format, proxy, **kwargs))
async def get_provider_handler(self, model: Optional[str], provider: Optional[ProviderType], default: ProviderType) -> ProviderType:
if provider is None:
provider_handler = self.provider
if provider_handler is None:
provider_handler = self.client.models.get(model, default)
else:
provider_handler = provider
if isinstance(provider_handler, str):
provider_handler = convert_to_provider(provider_handler)
return provider_handler
async def async_generate(
self,
prompt: str,
model: Optional[str] = None,
provider: Optional[ProviderType] = None,
response_format: Optional[str] = None,
proxy: Optional[str] = None,
api_key: Optional[str] = None,
**kwargs
) -> ImagesResponse:
provider_handler = await self.get_provider_handler(model, provider, PollinationsImage)
provider_name = provider_handler.__name__ if hasattr(provider_handler, "__name__") else type(provider_handler).__name__
if proxy is None:
proxy = self.client.proxy
if api_key is None:
api_key = self.client.api_key
error = None
response = None
if isinstance(provider_handler, IterListProvider):
for provider in provider_handler.providers:
try:
response = await self._generate_image_response(provider, provider.__name__, model, prompt, proxy=proxy, api_key=api_key, **kwargs)
if response is not None:
provider_name = provider.__name__
break
except Exception as e:
error = e
debug.error(f"{provider.__name__} {type(e).__name__}: {e}")
else:
response = await self._generate_image_response(provider_handler, provider_name, model, prompt, proxy=proxy, api_key=api_key, **kwargs)
if response is None:
if error is not None:
raise error
raise NoMediaResponseError(f"No media response from {provider_name}")
return await self._process_image_response(
response,
model,
provider_name,
kwargs.get("download_media", True),
response_format,
proxy
)
async def _generate_image_response(
self,
provider_handler: ProviderType,
provider_name: str,
model: str,
prompt: str,
prompt_prefix: str = "Generate a image: ",
api_key: str = None,
**kwargs
) -> MediaResponse:
messages = [{"role": "user", "content": f"{prompt_prefix}{prompt}"}]
items: list[MediaResponse] = []
if isinstance(api_key, dict):
api_key = api_key.get(provider_handler.get_parent())
if hasattr(provider_handler, "create_async_generator"):
async for item in provider_handler.create_async_generator(
model,
messages,
stream=True,
prompt=prompt,
api_key=api_key,
**kwargs
):
if isinstance(item, (MediaResponse, AudioResponse)) and not isinstance(item, HiddenResponse):
items.append(item)
elif hasattr(provider_handler, "create_completion"):
for item in provider_handler.create_completion(
model,
messages,
True,
prompt=prompt,
api_key=api_key,
**kwargs
):
if isinstance(item, (MediaResponse, AudioResponse)) and not isinstance(item, HiddenResponse):
items.append(item)
else:
raise ValueError(f"Provider {provider_name} does not support image generation")
urls = []
for item in items:
if isinstance(item, AudioResponse):
urls.append(item.to_uri())
elif isinstance(item.urls, str):
urls.append(item.urls)
elif isinstance(item.urls, list):
urls.extend(item.urls)
if not urls:
return None
alt = getattr(items[0], "alt", "")
return MediaResponse(urls, alt, items[0].options)
def create_variation(
self,
image: ImageType,
image_name: str = None,
prompt: str = "Create a variation of this image",
model: str = None,
provider: Optional[ProviderType] = None,
response_format: Optional[str] = None,
**kwargs
) -> ImagesResponse:
return asyncio.run(self.async_create_variation(
image=image,
image_name=image_name,
prompt=prompt,
model=model,
provider=provider,
response_format=response_format,
**kwargs
))
async def async_create_variation(
self,
*,
image: ImageType,
image_name: str = None,
prompt: str = "Create a variation of this image",
model: Optional[str] = None,
provider: Optional[ProviderType] = None,
response_format: Optional[str] = None,
proxy: Optional[str] = None,
**kwargs
) -> ImagesResponse:
provider_handler = await self.get_provider_handler(model, provider, OpenaiAccount)
provider_name = provider_handler.__name__ if hasattr(provider_handler, "__name__") else type(provider_handler).__name__
if proxy is None:
proxy = self.client.proxy
resolve_media(kwargs, image, image_name)
error = None
response = None
if isinstance(provider_handler, IterListProvider):
for provider in provider_handler.providers:
try:
response = await self._generate_image_response(provider, provider.__name__, model, prompt, **kwargs)
if response is not None:
provider_name = provider.__name__
break
except Exception as e:
error = e
debug.error(f"{provider.__name__} {type(e).__name__}: {e}")
else:
response = await self._generate_image_response(provider_handler, provider_name, model, prompt, **kwargs)
if response is None:
if error is not None:
raise error
raise NoMediaResponseError(f"No media response from {provider_name}")
return await self._process_image_response(
response,
model,
provider_name,
kwargs.get("download_media", True),
response_format,
proxy
)
async def _process_image_response(
self,
response: MediaResponse,
model: str,
provider: str,
download_media: bool,
response_format: Optional[str] = None,
proxy: str = None
) -> ImagesResponse:
if response_format == "url":
# Return original URLs without saving locally
images = [Image.model_construct(url=image, revised_prompt=response.alt) for image in response.get_list()]
elif response_format == "b64_json":
# Convert URLs directly to base64 without saving
async def get_b64_from_url(url: str) -> Image:
if url.startswith("/media/"):
with open(os.path.join(get_media_dir(), os.path.basename(url)), "rb") as f:
b64_data = base64.b64encode(f.read()).decode()
return Image.model_construct(b64_json=b64_data, revised_prompt=response.alt)
async with aiohttp.ClientSession(cookies=response.get("cookies")) as session:
async with session.get(url, proxy=proxy) as resp:
if resp.status == 200:
b64_data = base64.b64encode(await resp.read()).decode()
return Image.model_construct(b64_json=b64_data, revised_prompt=response.alt)
return Image.model_construct(url=url, revised_prompt=response.alt)
images = await asyncio.gather(*[get_b64_from_url(image) for image in response.get_list()])
else:
# Save locally for None (default) case
images = response.get_list()
if download_media or response.get("cookies") or response.get("headers"):
images = await copy_media(response.get_list(), response.get("cookies"), response.get("headers"), proxy, response.alt)
images = [Image.model_construct(url=image, revised_prompt=response.alt) for image in images]
return ImagesResponse.model_construct(
created=int(time.time()),
data=images,
model=model,
provider=provider
)
class AsyncClient(BaseClient):
def __init__(
self,
provider: Optional[ProviderType] = None,
media_provider: Optional[ProviderType] = None,
**kwargs
) -> None:
super().__init__(**kwargs)
self.chat: AsyncChat = AsyncChat(self, provider)
if media_provider is None:
media_provider = kwargs.get("image_provider", provider)
self.models: ClientModels = ClientModels(self, provider, media_provider)
self.images: AsyncImages = AsyncImages(self, media_provider)
self.media: AsyncImages = self.images
self.responses: AsyncResponses = AsyncResponses(self, provider)
class AsyncChat:
completions: AsyncCompletions
def __init__(self, client: AsyncClient, provider: Optional[ProviderType] = None):
self.completions = AsyncCompletions(client, provider)
class AsyncCompletions:
def __init__(self, client: AsyncClient, provider: Optional[ProviderType] = None):
self.client: AsyncClient = client
self.provider: ProviderType = provider
def create(
self,
messages: Messages,
model: str = "",
provider: Optional[ProviderType] = None,
stream: Optional[bool] = False,
proxy: Optional[str] = None,
image: Optional[ImageType] = None,
image_name: Optional[str] = None,
response_format: Optional[dict] = None,
max_tokens: Optional[int] = None,
stop: Optional[Union[list[str], str]] = None,
api_key: Optional[str] = None,
ignore_stream: Optional[bool] = False,
**kwargs
) -> Awaitable[ChatCompletion]:
if isinstance(messages, str):
messages = [{"role": "user", "content": messages}]
resolve_media(kwargs, image, image_name)
if hasattr(model, "name"):
model = model.get_long_name()
if provider is None:
provider = self.provider
if provider is None:
provider = AnyProvider
if isinstance(provider, str):
provider = convert_to_provider(provider)
stop = [stop] if isinstance(stop, str) else stop
if ignore_stream:
kwargs["ignore_stream"] = True
response = async_iter_run_tools(
provider,
model=model,
messages=messages,
stream=stream,
**filter_none(
proxy=self.client.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 = async_iter_response(response, stream, response_format, max_tokens, stop)
response = async_iter_append_model_and_provider(response, model, provider)
if stream:
return response
else:
return anext(response)
def stream(
self,
messages: Messages,
model: str = "",
**kwargs
) -> AsyncIterator[ChatCompletionChunk]:
return self.create(messages, model, stream=True, **kwargs)
class AsyncImages(Images):
def __init__(self, client: AsyncClient, provider: Optional[ProviderType] = None):
self.client: AsyncClient = client
self.provider: Optional[ProviderType] = provider
async def generate(
self,
prompt: str,
model: Optional[str] = None,
provider: Optional[ProviderType] = None,
response_format: Optional[str] = None,
**kwargs
) -> ImagesResponse:
return await self.async_generate(prompt, model, provider, response_format, **kwargs)
async def create_variation(
self,
image: ImageType,
model: str = None,
provider: ProviderType = None,
response_format: Optional[str] = None,
**kwargs
) -> ImagesResponse:
return await self.async_create_variation(
image=image, model=model, provider=provider, response_format=response_format, **kwargs
)
class AsyncResponses():
def __init__(self, client: AsyncClient, provider: Optional[ProviderType] = None):
self.client: AsyncClient = client
self.provider: ProviderType = provider
async def create(
self,
input: str,
model: str = "",
provider: Optional[ProviderType] = None,
instructions: Optional[str] = None,
proxy: Optional[str] = None,
api_key: Optional[str] = None,
**kwargs
) -> ClientResponse:
if isinstance(input, str):
input = [{"role": "user", "content": input}]
if instructions is not None:
input = [{"role": "developer", "content": instructions}] + input
for idx, message in enumerate(input):
if isinstance(message["content"], list):
for key, value in enumerate(message["content"]):
if isinstance(value, dict) and value.get("type") == "input_text":
message["content"][key] = {"type": "text", "text": value.get("text")}
input[idx] = {"role": message["role"], "content": message["content"]}
resolve_media(kwargs)
if hasattr(model, "name"):
model = model.get_long_name()
if provider is None:
provider = self.provider
if provider is None:
provider = AnyProvider
if isinstance(provider, str):
provider = convert_to_provider(provider)
response = async_iter_run_tools(
provider,
model=model,
messages=input,
**filter_none(
proxy=self.client.proxy if proxy is None else proxy,
api_key=self.client.api_key if api_key is None else api_key
),
**kwargs
)
return await async_response(response)