from __future__ import annotations import logging import os import asyncio from typing import Iterator from flask import send_from_directory from inspect import signature from ...errors import VersionNotFoundError from ...image.copy_images import copy_images, ensure_images_dir, images_dir from ...tools.run_tools import iter_run_tools from ...Provider import ProviderUtils, __providers__ from ...providers.base_provider import ProviderModelMixin from ...providers.retry_provider import BaseRetryProvider from ...providers.helper import format_image_prompt from ...providers.response import * from ... import version, models from ... import ChatCompletion, get_model_and_provider from ... import debug logger = logging.getLogger(__name__) conversations: dict[dict[str, BaseConversation]] = {} class Api: @staticmethod def get_models(): return [{ "name": model.name, "image": isinstance(model, models.ImageModel), "vision": isinstance(model, models.VisionModel), "providers": [ getattr(provider, "parent", provider.__name__) for provider in providers if provider.working ] } for model, providers in models.__models__.values()] @staticmethod def get_provider_models(provider: str, api_key: str = None, api_base: str = None): if provider in ProviderUtils.convert: provider = ProviderUtils.convert[provider] if issubclass(provider, ProviderModelMixin): if "api_key" in signature(provider.get_models).parameters: models = provider.get_models(api_key=api_key, api_base=api_base) else: models = provider.get_models() return [ { "model": model, "default": model == provider.default_model, "vision": getattr(provider, "default_vision_model", None) == model or model in getattr(provider, "vision_models", []), "image": False if provider.image_models is None else model in provider.image_models, } for model in models ] return [] @staticmethod def get_providers() -> dict[str, str]: return [{ "name": provider.__name__, "label": provider.label if hasattr(provider, "label") else provider.__name__, "parent": getattr(provider, "parent", None), "image": bool(getattr(provider, "image_models", False)), "vision": getattr(provider, "default_vision_model", None) is not None, "nodriver": getattr(provider, "use_nodriver", False), "auth": provider.needs_auth, "login_url": getattr(provider, "login_url", None), } for provider in __providers__ if provider.working] @staticmethod def get_version() -> dict: try: current_version = version.utils.current_version except VersionNotFoundError: current_version = None return { "version": current_version, "latest_version": version.utils.latest_version, } def serve_images(self, name): ensure_images_dir() return send_from_directory(os.path.abspath(images_dir), name) def _prepare_conversation_kwargs(self, json_data: dict, kwargs: dict): model = json_data.get('model') provider = json_data.get('provider') messages = json_data.get('messages') api_key = json_data.get("api_key") if api_key: kwargs["api_key"] = api_key api_base = json_data.get("api_base") if api_base: kwargs["api_base"] = api_base kwargs["tool_calls"] = [{ "function": { "name": "bucket_tool" }, "type": "function" }] web_search = json_data.get('web_search') if web_search: kwargs["web_search"] = web_search action = json_data.get('action') if action == "continue": kwargs["tool_calls"].append({ "function": { "name": "continue_tool" }, "type": "function" }) conversation = json_data.get("conversation") if conversation is not None: kwargs["conversation"] = JsonConversation(**conversation) else: conversation_id = json_data.get("conversation_id") if conversation_id and provider: if provider in conversations and conversation_id in conversations[provider]: kwargs["conversation"] = conversations[provider][conversation_id] if json_data.get("ignored"): kwargs["ignored"] = json_data["ignored"] if json_data.get("action"): kwargs["action"] = json_data["action"] return { "model": model, "provider": provider, "messages": messages, "stream": True, "ignore_stream": True, "return_conversation": True, **kwargs } def _create_response_stream(self, kwargs: dict, conversation_id: str, provider: str, download_images: bool = True) -> Iterator: def decorated_log(text: str): debug.logs.append(text) if debug.logging: debug.log_handler(text) debug.log = decorated_log proxy = os.environ.get("G4F_PROXY") provider = kwargs.get("provider") try: model, provider_handler = get_model_and_provider( kwargs.get("model"), provider, stream=True, ignore_stream=True, logging=False, has_images="images" in kwargs, ) except Exception as e: logger.exception(e) yield self._format_json('error', type(e).__name__, message=get_error_message(e)) return if not isinstance(provider_handler, BaseRetryProvider): if not provider: provider = provider_handler.__name__ yield self.handle_provider(provider_handler, model) if hasattr(provider_handler, "get_parameters"): yield self._format_json("parameters", provider_handler.get_parameters(as_json=True)) try: result = iter_run_tools(ChatCompletion.create, **{**kwargs, "model": model, "provider": provider_handler}) for chunk in result: if isinstance(chunk, ProviderInfo): yield self.handle_provider(chunk, model) provider = chunk.name elif isinstance(chunk, BaseConversation): if provider is not None: if provider not in conversations: conversations[provider] = {} conversations[provider][conversation_id] = chunk if isinstance(chunk, JsonConversation): yield self._format_json("conversation", { provider: chunk.get_dict() }) else: yield self._format_json("conversation_id", conversation_id) elif isinstance(chunk, Exception): logger.exception(chunk) yield self._format_json('message', get_error_message(chunk), error=type(chunk).__name__) elif isinstance(chunk, PreviewResponse): yield self._format_json("preview", chunk.to_string()) elif isinstance(chunk, ImagePreview): yield self._format_json("preview", chunk.to_string(), images=chunk.images, alt=chunk.alt) elif isinstance(chunk, ImageResponse): images = chunk if download_images or chunk.get("cookies"): chunk.alt = chunk.alt or format_image_prompt(kwargs.get("messages")) images = asyncio.run(copy_images(chunk.get_list(), chunk.get("cookies"), proxy=proxy, alt=chunk.alt)) images = ImageResponse(images, chunk.alt) yield self._format_json("content", str(images), images=chunk.get_list(), alt=chunk.alt) elif isinstance(chunk, SynthesizeData): yield self._format_json("synthesize", chunk.get_dict()) elif isinstance(chunk, TitleGeneration): yield self._format_json("title", chunk.title) elif isinstance(chunk, RequestLogin): yield self._format_json("login", str(chunk)) elif isinstance(chunk, Parameters): yield self._format_json("parameters", chunk.get_dict()) elif isinstance(chunk, FinishReason): yield self._format_json("finish", chunk.get_dict()) elif isinstance(chunk, Usage): yield self._format_json("usage", chunk.get_dict()) elif isinstance(chunk, Reasoning): yield self._format_json("reasoning", **chunk.get_dict()) elif isinstance(chunk, DebugResponse): yield self._format_json("log", chunk.log) elif isinstance(chunk, RawResponse): yield self._format_json(chunk.type, **chunk.get_dict()) else: yield self._format_json("content", str(chunk)) if debug.logs: for log in debug.logs: yield self._format_json("log", str(log)) debug.logs = [] except Exception as e: logger.exception(e) if debug.logging: debug.log_handler(get_error_message(e)) if debug.logs: for log in debug.logs: yield self._format_json("log", str(log)) debug.logs = [] yield self._format_json('error', type(e).__name__, message=get_error_message(e)) def _format_json(self, response_type: str, content = None, **kwargs): if content is not None and isinstance(response_type, str): return { 'type': response_type, response_type: content, **kwargs } return { 'type': response_type, **kwargs } def handle_provider(self, provider_handler, model): if isinstance(provider_handler, BaseRetryProvider) and provider_handler.last_provider is not None: provider_handler = provider_handler.last_provider if model: return self._format_json("provider", {**provider_handler.get_dict(), "model": model}) return self._format_json("provider", provider_handler.get_dict()) def get_error_message(exception: Exception) -> str: return f"{type(exception).__name__}: {exception}"