mirror of
https://github.com/langgenius/dify.git
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63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
from __future__ import annotations
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import logging
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import sys
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from typing import TYPE_CHECKING, cast
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if TYPE_CHECKING:
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from celery import Celery
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celery: Celery
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HOST = "0.0.0.0"
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PORT = 5001
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logger = logging.getLogger(__name__)
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def is_db_command() -> bool:
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if len(sys.argv) > 1 and sys.argv[0].endswith("flask") and sys.argv[1] == "db":
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return True
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return False
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def log_startup_banner(host: str, port: int) -> None:
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debugger_attached = sys.gettrace() is not None
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logger.info("Serving Dify API via gevent WebSocket server")
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logger.info("Bound to http://%s:%s", host, port)
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logger.info("Debugger attached: %s", "on" if debugger_attached else "off")
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logger.info("Press CTRL+C to quit")
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# create app
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flask_app = None
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socketio_app = None
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if is_db_command():
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from app_factory import create_migrations_app
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app = create_migrations_app()
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socketio_app = app
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flask_app = app
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else:
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# Gunicorn and Celery handle monkey patching automatically in production by
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# specifying the `gevent` worker class. Manual monkey patching is not required here.
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#
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# See `api/docker/entrypoint.sh` (lines 33 and 47) for details.
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#
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# For third-party library patching, refer to `gunicorn.conf.py` and `celery_entrypoint.py`.
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from app_factory import create_app
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socketio_app, flask_app = create_app()
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app = flask_app
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celery = cast("Celery", app.extensions["celery"])
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if __name__ == "__main__":
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from gevent import pywsgi
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from geventwebsocket.handler import WebSocketHandler # type: ignore[reportMissingTypeStubs]
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log_startup_banner(HOST, PORT)
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server = pywsgi.WSGIServer((HOST, PORT), socketio_app, handler_class=WebSocketHandler)
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server.serve_forever()
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