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from __future__ import annotations
import logging
import os
import asyncio
from typing import Iterator
from flask import send_from_directory, request
from inspect import signature
try:
from PIL import Image
has_pillow = True
except ImportError:
has_pillow = False
from ...errors import VersionNotFoundError, MissingAuthError
from ...image.copy_images import copy_media, ensure_media_dir, get_media_dir
from ...image import get_width_height
from ...tools.run_tools import iter_run_tools
from ... import Provider
from ...providers.base_provider import ProviderModelMixin
from ...providers.retry_provider import BaseRetryProvider
from ...providers.helper import format_media_prompt
from ...providers.response import *
from ...providers.any_model_map import model_map
from ...providers.any_provider import AnyProvider
from ...client.service import get_model_and_provider
from ... import version, models
from ... import debug
logger = logging.getLogger(__name__)
class Api:
@staticmethod
def get_models():
return [{
"name": model.name,
"image": isinstance(model, models.ImageModel),
"vision": isinstance(model, models.VisionModel),
"audio": isinstance(model, models.AudioModel),
"video": isinstance(model, models.VideoModel),
"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, ignored: list = None):
def get_model_data(provider: ProviderModelMixin, model: str, default: bool = False) -> dict:
return {
"model": model,
"label": model.split(":")[-1] if provider.__name__ == "AnyProvider" and not model.startswith("openrouter:") else model,
"default": default or model == provider.default_model,
"vision": model in provider.vision_models,
"audio": False if provider.audio_models is None else model in provider.audio_models,
"video": model in provider.video_models,
"image": model in provider.image_models,
"count": False if provider.models_count is None else provider.models_count.get(model),
}
if provider in Provider.__map__:
provider = Provider.__map__[provider]
if issubclass(provider, ProviderModelMixin):
has_grouped_models = hasattr(provider, "get_grouped_models")
method = provider.get_grouped_models if has_grouped_models else provider.get_models
if "api_key" in signature(provider.get_models).parameters:
models = method(api_key=api_key, api_base=api_base)
elif "ignored" in signature(provider.get_models).parameters:
models = method(ignored=ignored)
else:
models = method()
if has_grouped_models:
return [{
"group": model["group"],
"models": [get_model_data(provider, name) for name in model["models"]]
} for model in models]
return [
get_model_data(provider, model)
for model in models
]
elif provider in model_map:
return [get_model_data(AnyProvider, provider, True)]
return []
@staticmethod
def get_providers() -> dict[str, str]:
def safe_get_models(provider: ProviderModelMixin):
if not isinstance(provider, ProviderModelMixin):
return True
try:
return provider.get_models()
except Exception as e:
logger.exception(e)
return True
return [{
"name": provider.__name__,
"label": provider.label if hasattr(provider, "label") else provider.__name__,
"parent": getattr(provider, "parent", None),
"image": len(getattr(provider, "image_models", [])),
"audio": len(getattr(provider, "audio_models", [])),
"video": len(getattr(provider, "video_models", [])),
"vision": getattr(provider, "default_vision_model", None) is not None,
"nodriver": getattr(provider, "use_nodriver", False),
"hf_space": getattr(provider, "hf_space", False),
"active_by_default": False if provider.active_by_default is None else provider.active_by_default,
"auth": provider.needs_auth,
"login_url": getattr(provider, "login_url", None),
"live": provider.live
} for provider in Provider.__providers__ if provider.working and safe_get_models(provider)]
def get_all_models(self) -> dict[str, list]:
def safe_get_provider_models(provider: ProviderModelMixin) -> list[str]:
try:
return list(provider.get_models())
except Exception as e:
debug.error(f"{provider.__name__}: get_models error:", e)
return []
return {
provider.__name__: safe_get_provider_models(provider)
for provider in Provider.__providers__
if provider.working and hasattr(provider, "get_models")
}
@staticmethod
def get_version() -> dict:
current_version = None
latest_version = None
try:
current_version = version.utils.current_version
try:
if request.args.get("cache"):
latest_version = version.utils.latest_version_cached
except RuntimeError:
pass
if latest_version is None:
latest_version = version.utils.latest_version
except VersionNotFoundError:
pass
return {
"version": current_version,
"latest_version": latest_version,
}
def serve_images(self, name):
ensure_media_dir()
return send_from_directory(os.path.abspath(get_media_dir()), name)
def _prepare_conversation_kwargs(self, json_data: dict):
kwargs = {**json_data}
model = kwargs.pop('model', None)
provider = kwargs.pop('provider', None)
messages = kwargs.pop('messages', None)
action = kwargs.get('action')
if action == "continue":
kwargs["tool_calls"].append({
"function": {
"name": "continue_tool"
},
"type": "function"
})
conversation = kwargs.pop("conversation", None)
if isinstance(conversation, dict):
kwargs["conversation"] = JsonConversation(**conversation)
return {
"model": model,
"provider": provider,
"messages": messages,
"ignore_stream": True,
**kwargs
}
def _create_response_stream(self, kwargs: dict, provider: str, download_media: bool = True, tempfiles: list[str] = []) -> Iterator:
def decorated_log(*values: str, file = None):
debug.logs.append(" ".join([str(value) for value in values]))
if debug.logging:
debug.log_handler(*values, file=file)
if "user" not in kwargs:
debug.log = decorated_log
proxy = os.environ.get("G4F_PROXY")
try:
model, provider_handler = get_model_and_provider(
kwargs.get("model"), provider or AnyProvider,
has_images="media" in kwargs,
)
if "user" in kwargs:
debug.error("User:", kwargs.get("user", "Unknown"))
debug.error("Referrer:", kwargs.get("referer", ""))
debug.error("User-Agent:", kwargs.get("user-agent", ""))
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(provider_handler, **{**kwargs, "model": model, "download_media": download_media})
for chunk in result:
if isinstance(chunk, ProviderInfo):
yield self.handle_provider(chunk, model)
elif isinstance(chunk, JsonConversation):
if provider is not None:
yield self._format_json("conversation", chunk.get_dict() if provider == "AnyProvider" else {
provider: chunk.get_dict()
})
elif isinstance(chunk, Exception):
logger.exception(chunk)
yield self._format_json('message', get_error_message(chunk), error=type(chunk).__name__)
elif isinstance(chunk, RequestLogin):
yield self._format_json("preview", chunk.to_string())
elif isinstance(chunk, PreviewResponse):
yield self._format_json("preview", chunk.to_string())
elif isinstance(chunk, ImagePreview):
yield self._format_json("preview", chunk.to_string(), urls=chunk.urls, alt=chunk.alt)
elif isinstance(chunk, MediaResponse):
media = chunk
if download_media or chunk.get("cookies"):
chunk.alt = format_media_prompt(kwargs.get("messages"), chunk.alt)
width, height = get_width_height(chunk.get("width"), chunk.get("height"))
tags = [model, kwargs.get("aspect_ratio"), kwargs.get("resolution")]
media = asyncio.run(copy_media(
chunk.get_list(),
chunk.get("cookies"),
chunk.get("headers"),
proxy=proxy,
alt=chunk.alt,
tags=tags,
add_url=True,
timeout=kwargs.get("timeout"),
return_target=True if isinstance(chunk, ImageResponse) else False,
))
options = {}
target_paths, urls = get_target_paths_and_urls(media)
if target_paths:
if has_pillow:
try:
with Image.open(target_paths[0]) as img:
width, height = img.size
options = {"width": width, "height": height}
except Exception as e:
logger.exception(e)
options["target_paths"] = target_paths
media = ImageResponse(urls, chunk.alt, options) if isinstance(chunk, ImageResponse) else VideoResponse(media, chunk.alt)
yield self._format_json("content", str(media), urls=media.urls, alt=media.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, YouTubeResponse):
yield self._format_json("content", chunk.to_string())
elif isinstance(chunk, AudioResponse):
yield self._format_json("content", str(chunk), data=chunk.data)
elif isinstance(chunk, SuggestedFollowups):
yield self._format_json("suggestions", chunk.suggestions)
elif isinstance(chunk, DebugResponse):
yield self._format_json("log", chunk.log)
elif isinstance(chunk, ContinueResponse):
yield self._format_json("continue", chunk.log)
elif isinstance(chunk, RawResponse):
yield self._format_json(chunk.type, **chunk.get_dict())
else:
yield self._format_json("content", str(chunk))
except MissingAuthError as e:
yield self._format_json('auth', type(e).__name__, message=get_error_message(e))
except (TimeoutError, asyncio.exceptions.CancelledError) as e:
if "user" in kwargs:
debug.error(e, "User:", kwargs.get("user", "Unknown"))
yield self._format_json('error', type(e).__name__, message=get_error_message(e))
except Exception as e:
if "user" in kwargs:
debug.error(e, "User:", kwargs.get("user", "Unknown"))
logger.exception(e)
yield self._format_json('error', type(e).__name__, message=get_error_message(e))
finally:
yield from self._yield_logs()
for tempfile in tempfiles:
try:
os.remove(tempfile)
except Exception as e:
logger.exception(e)
def _yield_logs(self):
if debug.logs:
for log in debug.logs:
yield self._format_json("log", log)
debug.logs = []
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 not getattr(provider_handler, "model", False):
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}"
def get_target_paths_and_urls(media: list[Union[str, tuple[str, str]]]) -> tuple[list[str], list[str]]:
target_paths = []
urls = []
for item in media:
if isinstance(item, tuple):
item, target_path = item
target_paths.append(target_path)
urls.append(item)
return target_paths, urls
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