kopia lustrzana https://github.com/inkstitch/inkstitch
124 wiersze
3.7 KiB
Python
124 wiersze
3.7 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2010 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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import errno
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import logging
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import socket
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import sys
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import time
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from threading import Thread
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from contextlib import closing
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import requests
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from flask import Flask, g
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from werkzeug.serving import make_server
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from ..utils.json import InkStitchJSONProvider
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from .simulator import simulator
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from .stitch_plan import stitch_plan
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from .preferences import preferences
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from .page_specs import page_specs
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from .lang import languages
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# this for electron axios
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from flask_cors import CORS
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class APIServer(Thread):
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def __init__(self, *args, **kwargs):
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self.extension = args[0]
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Thread.__init__(self, *args[1:], **kwargs)
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self.daemon = True
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self.app = None
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self.host = None
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self.port = None
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self.ready = False
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self.__setup_app()
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self.flask_server = None
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self.server_thread = None
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def __setup_app(self): # noqa: C901
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# Disable warning about using a development server in a production environment
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cli = sys.modules['flask.cli']
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cli.show_server_banner = lambda *x: None
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self.app = Flask(__name__)
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CORS(self.app)
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self.app.json = InkStitchJSONProvider(self.app)
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self.app.register_blueprint(simulator, url_prefix="/simulator")
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self.app.register_blueprint(stitch_plan, url_prefix="/stitch_plan")
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self.app.register_blueprint(preferences, url_prefix="/preferences")
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self.app.register_blueprint(page_specs, url_prefix="/page_specs")
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self.app.register_blueprint(languages, url_prefix="/languages")
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@self.app.before_request
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def store_extension():
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# make the InkstitchExtension object available to the view handling
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# this request
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g.extension = self.extension
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@self.app.route('/ping')
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def ping():
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return "pong"
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def stop(self):
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self.flask_server.shutdown()
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self.server_thread.join()
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def disable_logging(self):
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logging.getLogger('werkzeug').setLevel(logging.ERROR)
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# https://github.com/aluo-x/Learning_Neural_Acoustic_Fields/blob/master/train.py
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# https://github.com/pytorch/pytorch/issues/71029
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def find_free_port(self):
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with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
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s.bind(('localhost', 0))
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return s.getsockname()[1]
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def run(self):
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self.disable_logging()
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self.host = "127.0.0.1"
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self.port = self.find_free_port()
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self.flask_server = make_server(self.host, self.port, self.app)
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self.server_thread = Thread(target=self.flask_server.serve_forever)
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self.server_thread.start()
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def ready_checker(self):
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"""Wait until the server is started.
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Annoyingly, there's no way to get a callback to be run when the Flask
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server starts. Instead, we'll have to poll.
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"""
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while True:
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if self.port:
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try:
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response = requests.get("http://%s:%s/ping" % (self.host, self.port))
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if response.status_code == 200:
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break
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except socket.error as e:
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if e.errno == errno.ECONNREFUSED:
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pass
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else:
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raise
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time.sleep(0.1)
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def start_server(self):
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"""Start the API server.
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returns: port (int) -- the port that the server is listening on
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(on localhost)
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"""
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checker = Thread(target=self.ready_checker)
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checker.start()
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self.start()
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checker.join()
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return self.port
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