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https://github.com/xtekky/gpt4free.git
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ea8d6b847a
Add image upload to OpenaiChat Add image response to OpenaiChat Improve ChatGPT Plus Support Remove unused requirements
132 lines
4.6 KiB
Python
132 lines
4.6 KiB
Python
import logging
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import json
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from flask import request, Flask
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from g4f import debug, version, models
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from g4f import _all_models, get_last_provider, ChatCompletion
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from g4f.image import is_allowed_extension, to_image
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from g4f.Provider import __providers__
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from g4f.Provider.bing.create_images import patch_provider
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from .internet import get_search_message
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debug.logging = True
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class Backend_Api:
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def __init__(self, app: Flask) -> None:
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self.app: Flask = app
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self.routes = {
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'/backend-api/v2/models': {
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'function': self.models,
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'methods' : ['GET']
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},
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'/backend-api/v2/providers': {
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'function': self.providers,
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'methods' : ['GET']
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},
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'/backend-api/v2/version': {
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'function': self.version,
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'methods' : ['GET']
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},
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'/backend-api/v2/conversation': {
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'function': self._conversation,
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'methods': ['POST']
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},
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'/backend-api/v2/gen.set.summarize:title': {
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'function': self._gen_title,
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'methods': ['POST']
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},
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'/backend-api/v2/error': {
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'function': self.error,
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'methods': ['POST']
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}
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}
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def error(self):
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print(request.json)
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return 'ok', 200
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def models(self):
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return _all_models
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def providers(self):
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return [
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provider.__name__ for provider in __providers__ if provider.working
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]
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def version(self):
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return {
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"version": version.utils.current_version,
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"lastet_version": version.get_latest_version(),
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}
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def _gen_title(self):
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return {
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'title': ''
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}
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def _conversation(self):
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kwargs = {}
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if 'image' in request.files:
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file = request.files['image']
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if file.filename != '' and is_allowed_extension(file.filename):
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kwargs['image'] = to_image(file.stream)
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if 'json' in request.form:
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json_data = json.loads(request.form['json'])
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else:
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json_data = request.json
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provider = json_data.get('provider', '').replace('g4f.Provider.', '')
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provider = provider if provider and provider != "Auto" else None
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if provider == 'OpenaiChat':
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kwargs['auto_continue'] = True
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messages = json_data['messages']
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if json_data.get('web_search'):
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if provider == "Bing":
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kwargs['web_search'] = True
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else:
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messages[-1]["content"] = get_search_message(messages[-1]["content"])
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model = json_data.get('model')
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model = model if model else models.default
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provider = json_data.get('provider', '').replace('g4f.Provider.', '')
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provider = provider if provider and provider != "Auto" else None
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patch = patch_provider if json_data.get('patch_provider') else None
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def try_response():
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try:
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first = True
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for chunk in ChatCompletion.create(
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model=model,
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provider=provider,
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messages=messages,
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stream=True,
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ignore_stream_and_auth=True,
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patch_provider=patch,
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**kwargs
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):
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if first:
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first = False
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yield json.dumps({
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'type' : 'provider',
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'provider': get_last_provider(True)
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}) + "\n"
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if isinstance(chunk, Exception):
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yield json.dumps({
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'type' : 'message',
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'message': get_error_message(chunk),
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}) + "\n"
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else:
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yield json.dumps({
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'type' : 'content',
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'content': str(chunk),
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}) + "\n"
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except Exception as e:
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logging.exception(e)
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yield json.dumps({
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'type' : 'error',
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'error': get_error_message(e)
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})
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return self.app.response_class(try_response(), mimetype='text/event-stream')
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def get_error_message(exception: Exception) -> str:
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return f"{get_last_provider().__name__}: {type(exception).__name__}: {exception}" |