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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
# -*- coding: utf-8 -
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#
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# This file is part of gunicorn released under the MIT license.
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# See the NOTICE for more information.
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import os
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import platform
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import tempfile
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from gunicorn import util
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PLATFORM = platform.system()
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IS_CYGWIN = PLATFORM.startswith('CYGWIN')
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class WorkerTmp(object):
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def __init__(self, cfg):
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old_umask = os.umask(cfg.umask)
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fdir = cfg.worker_tmp_dir
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if fdir and not os.path.isdir(fdir):
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raise RuntimeError("%s doesn't exist. Can't create workertmp." % fdir)
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fd, name = tempfile.mkstemp(prefix="wgunicorn-", dir=fdir)
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os.umask(old_umask)
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# change the owner and group of the file if the worker will run as
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# a different user or group, so that the worker can modify the file
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if cfg.uid != os.geteuid() or cfg.gid != os.getegid():
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util.chown(name, cfg.uid, cfg.gid)
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# unlink the file so we don't leak tempory files
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try:
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if not IS_CYGWIN:
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util.unlink(name)
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# In Python 3.8, open() emits RuntimeWarning if buffering=1 for binary mode.
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# Because we never write to this file, pass 0 to switch buffering off.
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self._tmp = os.fdopen(fd, 'w+b', 0)
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except:
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os.close(fd)
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raise
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self.spinner = 0
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def notify(self):
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self.spinner = (self.spinner + 1) % 2
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os.fchmod(self._tmp.fileno(), self.spinner)
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def last_update(self):
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return os.fstat(self._tmp.fileno()).st_ctime
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def fileno(self):
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return self._tmp.fileno()
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def close(self):
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return self._tmp.close()
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