mirror of
https://github.com/wassname/optuna-dashboard.git
synced 2026-09-21 13:10:53 +08:00
121 lines
3.4 KiB
Python
121 lines
3.4 KiB
Python
import argparse
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import os
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from socketserver import ThreadingMixIn
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import sys
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from typing import Literal
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from wsgiref.simple_server import make_server
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from wsgiref.simple_server import WSGIServer
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from bottle import Bottle
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from bottle import run
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from optuna.storages import BaseStorage
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from optuna.storages import RDBStorage
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from optuna.storages import RedisStorage
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from . import __version__
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from ._app import create_app
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from ._sql_profiler import register_profiler_view
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DEBUG = os.environ.get("OPTUNA_DASHBOARD_DEBUG") == "1"
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SERVER_CHOICES = ["auto", "wsgiref", "gunicorn"]
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class ThreadedWSGIServer(ThreadingMixIn, WSGIServer):
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pass
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def run_wsgiref(app: Bottle, host: str, port: int, quiet: bool) -> None:
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print(f"Listening on http://{host}:{port}/", file=sys.stderr)
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print("Hit Ctrl-C to quit.\n", file=sys.stderr)
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httpd = make_server(host, port, app, server_class=ThreadedWSGIServer)
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httpd.serve_forever()
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def run_gunicorn(app: Bottle, host: str, port: int, quiet: bool) -> None:
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# See https://docs.gunicorn.org/en/latest/custom.html
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from gunicorn.app.base import BaseApplication
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class Application(BaseApplication):
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def load_config(self) -> None:
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self.cfg.set("bind", f"{host}:{port}")
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self.cfg.set("threads", 4)
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if quiet:
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self.cfg.set("loglevel", "error")
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def load(self) -> Bottle:
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return app
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Application().run()
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def run_debug_server(app: Bottle, host: str, port: int, quiet: bool) -> None:
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run(
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app,
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host=host,
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port=port,
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server="wsgiref",
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quiet=quiet,
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reloader=DEBUG,
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)
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def auto_select_server(
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server_arg: Literal["auto", "gunicorn", "wsgiref"]
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) -> Literal["gunicorn", "wsgiref"]:
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if server_arg != "auto":
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return server_arg
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try:
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import gunicorn # NOQA
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return "gunicorn"
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except ImportError:
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return "wsgiref"
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def main() -> None:
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parser = argparse.ArgumentParser(description="Real-time dashboard for Optuna.")
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parser.add_argument("storage", help="DB URL (e.g. sqlite:///example.db)", type=str)
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parser.add_argument(
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"--port", help="port number (default: %(default)s)", type=int, default=8080
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)
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parser.add_argument(
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"--host", help="hostname (default: %(default)s)", default="127.0.0.1"
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)
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parser.add_argument(
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"--server",
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help="server (default: %(default)s)",
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default="auto",
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choices=SERVER_CHOICES,
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)
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parser.add_argument("--version", "-v", action="version", version=__version__)
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parser.add_argument("--quiet", "-q", help="quiet", action="store_true")
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args = parser.parse_args()
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storage: BaseStorage
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if args.storage.startswith("redis"):
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storage = RedisStorage(args.storage)
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else:
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storage = RDBStorage(args.storage, skip_compatibility_check=True)
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app = create_app(storage, debug=DEBUG)
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if DEBUG and isinstance(storage, RDBStorage):
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app = register_profiler_view(app, storage)
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server = auto_select_server(args.server)
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if DEBUG:
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run_debug_server(app, args.host, args.port, args.quiet)
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elif server == "wsgiref":
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run_wsgiref(app, args.host, args.port, args.quiet)
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elif server == "gunicorn":
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run_gunicorn(app, args.host, args.port, args.quiet)
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else:
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raise Exception("must not reach here")
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if __name__ == "__main__":
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main()
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