mirror of
https://github.com/morpheus65535/bazarr.git
synced 2024-09-20 15:35:58 +08:00
7e304001b6
When receiving the SIGTERM signal, swallow it and terminate latest created child process Catch ChildProcessError (occurs when child process is terminated by the current python script on mac os x)
106 lines
2.8 KiB
Python
106 lines
2.8 KiB
Python
# coding=utf-8
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import os
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import platform
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import signal
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import subprocess
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import sys
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import time
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import atexit
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from bazarr.get_args import args
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def check_python_version():
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python_version = platform.python_version_tuple()
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minimum_py3_tuple = (3, 7, 0)
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minimum_py3_str = ".".join(str(i) for i in minimum_py3_tuple)
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if int(python_version[0]) < minimum_py3_tuple[0]:
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print("Python " + minimum_py3_str + " or greater required. "
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"Current version is " + platform.python_version() + ". Please upgrade Python.")
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sys.exit(1)
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elif (int(python_version[0]) == minimum_py3_tuple[0] and int(python_version[1]) < minimum_py3_tuple[1]) or \
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(int(python_version[0]) != minimum_py3_tuple[0]):
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print("Python " + minimum_py3_str + " or greater required. "
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"Current version is " + platform.python_version() + ". Please upgrade Python.")
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sys.exit(1)
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check_python_version()
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dir_name = os.path.dirname(__file__)
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def end_child_process(ep):
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try:
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ep.kill()
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except:
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pass
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def terminate_child_process(ep):
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try:
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ep.terminate()
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except:
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pass
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def start_bazarr():
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script = [sys.executable, "-u", os.path.normcase(os.path.join(dir_name, 'bazarr', 'main.py'))] + sys.argv[1:]
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ep = subprocess.Popen(script, stdout=None, stderr=None, stdin=subprocess.DEVNULL)
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atexit.register(end_child_process, ep=ep)
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signal.signal(signal.SIGTERM, lambda signal_no, frame: terminate_child_process(ep))
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def check_status():
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if os.path.exists(stopfile):
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try:
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os.remove(stopfile)
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except Exception:
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print('Unable to delete stop file.')
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finally:
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print('Bazarr exited.')
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sys.exit(0)
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if os.path.exists(restartfile):
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try:
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os.remove(restartfile)
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except Exception:
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print('Unable to delete restart file.')
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else:
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print("Bazarr is restarting...")
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start_bazarr()
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if __name__ == '__main__':
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restartfile = os.path.join(args.config_dir, 'bazarr.restart')
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stopfile = os.path.join(args.config_dir, 'bazarr.stop')
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# Cleanup leftover files
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try:
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os.remove(restartfile)
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except FileNotFoundError:
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pass
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try:
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os.remove(stopfile)
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except FileNotFoundError:
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pass
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# Initial start of main bazarr process
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print("Bazarr starting...")
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start_bazarr()
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# Keep the script running forever until stop is requested through term or keyboard interrupt
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while True:
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check_status()
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try:
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if sys.platform.startswith('win'):
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time.sleep(5)
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else:
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os.wait()
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time.sleep(1)
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except (KeyboardInterrupt, SystemExit, ChildProcessError):
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print('Bazarr exited.')
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sys.exit(0)
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