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from __future__ import annotations
import logging
import os
import uuid
import asyncio
import time
from aiohttp import ClientSession
from typing import Iterator, Optional
from flask import send_from_directory
from g4f import version, models
from g4f import get_last_provider, ChatCompletion
from g4f.errors import VersionNotFoundError
from g4f.typing import Cookies
from g4f.image import ImagePreview, ImageResponse, is_accepted_format, extract_data_uri
from g4f.requests.aiohttp import get_connector
from g4f.Provider import ProviderType, __providers__, __map__
from g4f.providers.base_provider import ProviderModelMixin, FinishReason
from g4f.providers.conversation import BaseConversation
from g4f import debug
logger = logging.getLogger(__name__)
# Define the directory for generated images
images_dir = "./generated_images"
# Function to ensure the images directory exists
def ensure_images_dir():
if not os.path.exists(images_dir):
os.makedirs(images_dir)
conversations: dict[dict[str, BaseConversation]] = {}
class Api:
@staticmethod
def get_models() -> list[str]:
return models._all_models
@staticmethod
def get_provider_models(provider: str, api_key: str = None) -> list[dict]:
if provider in __map__:
provider: ProviderType = __map__[provider]
if issubclass(provider, ProviderModelMixin):
models = provider.get_models() if api_key is None else provider.get_models(api_key=api_key)
return [
{
"model": model,
"default": model == provider.default_model,
"vision": getattr(provider, "default_vision_model", None) == model or model in getattr(provider, "vision_models", []),
"image": model in getattr(provider, "image_models", []),
}
for model in models
]
return []
@staticmethod
def get_image_models() -> list[dict]:
image_models = []
index = []
for provider in __providers__:
if hasattr(provider, "image_models"):
if hasattr(provider, "get_models"):
provider.get_models()
parent = provider
if hasattr(provider, "parent"):
parent = __map__[provider.parent]
if parent.__name__ not in index:
for model in provider.image_models:
image_models.append({
"provider": parent.__name__,
"url": parent.url,
"label": parent.label if hasattr(parent, "label") else None,
"image_model": model,
"vision_model": getattr(parent, "default_vision_model", None)
})
index.append(parent.__name__)
elif hasattr(provider, "default_vision_model") and provider.__name__ not in index:
image_models.append({
"provider": provider.__name__,
"url": provider.url,
"label": provider.label if hasattr(provider, "label") else None,
"image_model": None,
"vision_model": provider.default_vision_model
})
index.append(provider.__name__)
return image_models
@staticmethod
def get_providers() -> list[str]:
return {
provider.__name__: (provider.label if hasattr(provider, "label") else provider.__name__)
+ (" (Image Generation)" if hasattr(provider, "image_models") else "")
+ (" (Image Upload)" if getattr(provider, "default_vision_model", None) else "")
+ (" (WebDriver)" if "webdriver" in provider.get_parameters() else "")
+ (" (Auth)" if provider.needs_auth else "")
for provider in __providers__
if provider.working
}
@staticmethod
def get_version():
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') or models.default
provider = json_data.get('provider')
messages = json_data['messages']
api_key = json_data.get("api_key")
if api_key is not None:
kwargs["api_key"] = api_key
if json_data.get('web_search'):
if provider:
kwargs['web_search'] = True
else:
from .internet import get_search_message
messages[-1]["content"] = get_search_message(messages[-1]["content"])
conversation_id = json_data.get("conversation_id")
if conversation_id and provider in conversations and conversation_id in conversations[provider]:
kwargs["conversation"] = conversations[provider][conversation_id]
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) -> Iterator:
if debug.logging:
debug.logs = []
print_callback = debug.log_handler
def log_handler(text: str):
debug.logs.append(text)
print_callback(text)
debug.log_handler = log_handler
try:
result = ChatCompletion.create(**kwargs)
first = True
if isinstance(result, ImageResponse):
if first:
first = False
yield self._format_json("provider", get_last_provider(True))
yield self._format_json("content", str(result))
else:
for chunk in result:
if first:
first = False
yield self._format_json("provider", get_last_provider(True))
if isinstance(chunk, BaseConversation):
if provider not in conversations:
conversations[provider] = {}
conversations[provider][conversation_id] = chunk
yield self._format_json("conversation", conversation_id)
elif isinstance(chunk, Exception):
logger.exception(chunk)
yield self._format_json("message", get_error_message(chunk))
elif isinstance(chunk, ImagePreview):
yield self._format_json("preview", chunk.to_string())
elif isinstance(chunk, ImageResponse):
images = asyncio.run(self._copy_images(chunk.get_list(), chunk.options.get("cookies")))
yield self._format_json("content", str(ImageResponse(images, chunk.alt)))
elif not isinstance(chunk, FinishReason):
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)
yield self._format_json('error', get_error_message(e))
async def _copy_images(self, images: list[str], cookies: Optional[Cookies] = None):
ensure_images_dir()
async with ClientSession(
connector=get_connector(None, os.environ.get("G4F_PROXY")),
cookies=cookies
) as session:
async def copy_image(image: str) -> str:
target = os.path.join(images_dir, f"{int(time.time())}_{str(uuid.uuid4())}")
if image.startswith("data:"):
with open(target, "wb") as f:
f.write(extract_data_uri(image))
else:
async with session.get(image) as response:
with open(target, "wb") as f:
async for chunk in response.content.iter_any():
f.write(chunk)
with open(target, "rb") as f:
extension = is_accepted_format(f.read(12)).split("/")[-1]
extension = "jpg" if extension == "jpeg" else extension
new_target = f"{target}.{extension}"
os.rename(target, new_target)
return f"/images/{os.path.basename(new_target)}"
return await asyncio.gather(*[copy_image(image) for image in images])
def _format_json(self, response_type: str, content):
return {
'type': response_type,
response_type: content
}
def get_error_message(exception: Exception) -> str:
message = f"{type(exception).__name__}: {exception}"
provider = get_last_provider()
if provider is None:
return message
return f"{provider.__name__}: {message}"
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