27 lines
703 B
Python
27 lines
703 B
Python
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import os
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import signal
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import configparser
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from nntp.tiny.config import (ConfigSectionException,
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ConfigValueException)
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class Daemon():
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def init(config: configparser.ConfigParser):
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if not config.has_section('daemon'):
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raise ConfigSectionException('daemon')
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if not config.has_option('daemon', 'pidfile'):
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raise ConfigValueException('daemon', 'pidfile')
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pidfile = config.get('daemon', 'pidfile')
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pid = os.fork()
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if pid > 0:
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exit(0)
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with open(pidfile, 'w') as fh:
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print(str(os.getpid()), file=fh)
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signal.signal(signal.SIGTERM, lambda s, f: os.unlink(pidfile))
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