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-rw-r--r--g4f/gui/server/api.py185
1 files changed, 185 insertions, 0 deletions
diff --git a/g4f/gui/server/api.py b/g4f/gui/server/api.py
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+++ b/g4f/gui/server/api.py
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+import logging
+import json
+from typing import Iterator
+
+try:
+ import webview
+except ImportError:
+ ...
+
+from g4f import version, models
+from g4f import get_last_provider, ChatCompletion
+from g4f.errors import VersionNotFoundError
+from g4f.Provider import ProviderType, __providers__, __map__
+from g4f.providers.base_provider import ProviderModelMixin
+from g4f.Provider.bing.create_images import patch_provider
+from g4f.Provider.Bing import Conversation
+
+conversations: dict[str, Conversation] = {}
+
+class Api():
+
+ def get_models(self) -> list[str]:
+ """
+ Return a list of all models.
+
+ Fetches and returns a list of all available models in the system.
+
+ Returns:
+ List[str]: A list of model names.
+ """
+ return models._all_models
+
+ def get_provider_models(self, provider: str) -> list[dict]:
+ if provider in __map__:
+ provider: ProviderType = __map__[provider]
+ if issubclass(provider, ProviderModelMixin):
+ return [{"model": model, "default": model == provider.default_model} for model in provider.get_models()]
+ elif provider.supports_gpt_35_turbo or provider.supports_gpt_4:
+ return [
+ *([{"model": "gpt-4", "default": not provider.supports_gpt_4}] if provider.supports_gpt_4 else []),
+ *([{"model": "gpt-3.5-turbo", "default": not provider.supports_gpt_4}] if provider.supports_gpt_35_turbo else [])
+ ]
+ else:
+ return [];
+
+ def get_providers(self) -> list[str]:
+ """
+ Return a list of all working providers.
+ """
+ return [provider.__name__ for provider in __providers__ if provider.working]
+
+ def get_version(self):
+ """
+ Returns the current and latest version of the application.
+
+ Returns:
+ dict: A dictionary containing the current and latest version.
+ """
+ try:
+ current_version = version.utils.current_version
+ except VersionNotFoundError:
+ current_version = None
+ return {
+ "version": current_version,
+ "latest_version": version.utils.latest_version,
+ }
+
+ def generate_title(self):
+ """
+ Generates and returns a title based on the request data.
+
+ Returns:
+ dict: A dictionary with the generated title.
+ """
+ return {'title': ''}
+
+ def get_conversation(self, options: dict, **kwargs) -> Iterator:
+ window = webview.active_window()
+ for message in self._create_response_stream(
+ self._prepare_conversation_kwargs(options, kwargs),
+ options.get("conversation_id")
+ ):
+ window.evaluate_js(f"this.add_message_chunk({json.dumps(message)})")
+
+ def _prepare_conversation_kwargs(self, json_data: dict, kwargs: dict):
+ """
+ Prepares arguments for chat completion based on the request data.
+
+ Reads the request and prepares the necessary arguments for handling
+ a chat completion request.
+
+ Returns:
+ dict: Arguments prepared for chat completion.
+ """
+ provider = json_data.get('provider', None)
+ if "image" in kwargs and provider is None:
+ provider = "Bing"
+ if provider == 'OpenaiChat':
+ kwargs['auto_continue'] = True
+
+ messages = json_data['messages']
+ if json_data.get('web_search'):
+ if provider == "Bing":
+ 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 conversation_id in conversations:
+ kwargs["conversation"] = conversations[conversation_id]
+
+ model = json_data.get('model')
+ model = model if model else models.default
+ patch = patch_provider if json_data.get('patch_provider') else None
+
+ return {
+ "model": model,
+ "provider": provider,
+ "messages": messages,
+ "stream": True,
+ "ignore_stream": True,
+ "patch_provider": patch,
+ "return_conversation": True,
+ **kwargs
+ }
+
+ def _create_response_stream(self, kwargs, conversation_id: str) -> Iterator:
+ """
+ Creates and returns a streaming response for the conversation.
+
+ Args:
+ kwargs (dict): Arguments for creating the chat completion.
+
+ Yields:
+ str: JSON formatted response chunks for the stream.
+
+ Raises:
+ Exception: If an error occurs during the streaming process.
+ """
+ try:
+ first = True
+ for chunk in ChatCompletion.create(**kwargs):
+ if first:
+ first = False
+ yield self._format_json("provider", get_last_provider(True))
+ if isinstance(chunk, Conversation):
+ conversations[conversation_id] = chunk
+ yield self._format_json("conversation", conversation_id)
+ elif isinstance(chunk, Exception):
+ logging.exception(chunk)
+ yield self._format_json("message", get_error_message(chunk))
+ else:
+ yield self._format_json("content", chunk)
+ except Exception as e:
+ logging.exception(e)
+ yield self._format_json('error', get_error_message(e))
+
+ def _format_json(self, response_type: str, content):
+ """
+ Formats and returns a JSON response.
+
+ Args:
+ response_type (str): The type of the response.
+ content: The content to be included in the response.
+
+ Returns:
+ str: A JSON formatted string.
+ """
+ return {
+ 'type': response_type,
+ response_type: content
+ }
+
+def get_error_message(exception: Exception) -> str:
+ """
+ Generates a formatted error message from an exception.
+
+ Args:
+ exception (Exception): The exception to format.
+
+ Returns:
+ str: A formatted error message string.
+ """
+ return f"{get_last_provider().__name__}: {type(exception).__name__}: {exception}" \ No newline at end of file