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import logging |
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import g4f |
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from g4f.Provider import __providers__ |
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import json |
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from flask import request, Flask |
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from .internet import get_search_message |
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from g4f import debug, version |
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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 g4f._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.utils.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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messages = request.json['meta']['content']['parts'] |
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if request.json.get('internet_access'): |
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messages[-1]["content"] = get_search_message(messages[-1]["content"]) |
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model = request.json.get('model') |
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model = model if model else g4f.models.default |
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provider = request.json.get('provider', '').replace('g4f.Provider.', '') |
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provider = provider if provider and provider != "Auto" 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 g4f.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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): |
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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': g4f.get_last_provider(True) |
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}) + "\n" |
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yield json.dumps({ |
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'type' : 'content', |
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'content': 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': f'{e.__class__.__name__}: {e}' |
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}) |
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return self.app.response_class(try_response(), mimetype='text/event-stream') |
