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'''gevent-safe interface to Linux inotify system calls.'''
import errno as errno
import sys
import gevent
from gevent.select import select
from . import _inotify, __all__, _main
from . import *
import logging
_log = logging.getLogger(__name__)
[docs]class inotify(_inotify):
class _lock_class(object):
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
pass
def __init__(self, flags=0):
try:
super(inotify, self).__init__(flags | IN_NONBLOCK)
except Exception as e:
# Could happen due to I/O errors. Example - too many open files
_log.error("Error instantiating inotify. "
"Auth files will not be monitored for updates. Exception: {}".format(e))
raise e
[docs] def read(self):
while True:
try:
return super(inotify, self).read()
except OSError as exc:
if exc.errno != errno.EAGAIN:
raise
select([self], [], [])
if __name__ == '__main__':
try:
gevent.spawn(_main, sys.argv, inotify).join()
except KeyboardInterrupt:
pass