mirror of
https://github.com/nerfstudio-project/nerfstudio.git
synced 2026-11-11 02:24:38 +08:00
86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
# Copyright 2022 The Plenoptix Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Code to use the viewer as a subprocess.
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"""
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import atexit
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import os
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import signal
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import subprocess
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import sys
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import threading
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import time
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from typing import Union
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from rich.console import Console
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from nerfactory.viewer.server import server
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CONSOLE = Console()
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def run_viewer_bridge_server_as_subprocess(zmq_port: int, websocket_port: int, log_filename: Union[str, None]):
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"""Runs the viewer bridge server as a subprocess.
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Args:
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zmq_port: Port to use for the ZMQ server.
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websocket_port: Port to use for the websocket server.
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log_filename: Filename to use for the log file. If None, no log file is created.
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Returns:
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None
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"""
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args = [sys.executable, "-u", "-m", server.__name__]
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args.append("--zmq-port")
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args.append(str(zmq_port))
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args.append("--websocket-port")
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args.append(str(websocket_port))
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# supress output if no log filename is specified
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logfile = open( # pylint: disable=consider-using-with
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log_filename if log_filename else os.devnull, "w", encoding="utf8"
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)
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process = subprocess.Popen( # pylint: disable=consider-using-with
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args, stdout=logfile, stderr=logfile, start_new_session=True
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)
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def cleanup(process):
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process.kill()
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process.wait()
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def poll_process():
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"""
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Continually check to see if the viewer bridge server process is still running and has not failed.
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If it fails, alert the user and exit the entire program.
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"""
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while process.poll() is None:
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time.sleep(0.5)
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string = f"\nThe viewer bridge server subprocess failed. Please check the log file {log_filename}.\n"
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string += (
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"You likely have to modify --viewer.zmq-url and/or --viewer.websocket-port in the "
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"config to avoid conflicting ports.\n"
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)
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string += "Try modifying --viewer.zmq-url tcp://127.0.0.1:6000 --viewer.websocket-port 7007\n"
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CONSOLE.print(f"[bold red]{string}")
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cleanup(process)
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# This exists the entire program. sys.exit() will only kill the thread that this runs in.
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os.kill(os.getpid(), signal.SIGKILL)
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# continually check to see if the process stopped
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t1 = threading.Thread(target=poll_process)
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t1.daemon = True
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t1.start()
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atexit.register(cleanup, process)
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