1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#!/usr/bin/env python
# Copyright (c) 2016 The aionotify project
# This code is distributed under the two-clause BSD License.
import aionotify
import argparse
import asyncio
import logging
import signal
class Example:
def __init__(self):
self.loop = None
self.watcher = None
self.task = None
def prepare(self, path):
self.watcher = aionotify.Watcher()
self.watcher.watch(path, aionotify.Flags.MODIFY | aionotify.Flags.CREATE | aionotify.Flags.DELETE)
async def _run(self, max_events):
await self.watcher.setup(self.loop)
for _i in range(max_events):
event = await self.watcher.get_event()
print(event.name, aionotify.Flags.parse(event.flags))
self.shutdown()
def run(self, loop, max_events):
self.loop = loop
self.task = loop.create_task(self._run(max_events))
def shutdown(self):
self.watcher.close()
if self.task is not None:
self.task.cancel()
self.loop.stop()
def setup_signal_handlers(loop, example):
for sig in [signal.SIGINT, signal.SIGTERM]:
loop.add_signal_handler(sig, example.shutdown)
def main(args):
if args.debug:
logger = logging.getLogger('asyncio')
logger.setLevel(logging.DEBUG)
logger.addHandler(logging.StreamHandler())
example = Example()
example.prepare(args.path)
loop = asyncio.get_event_loop()
if args.debug:
loop.set_debug(True)
setup_signal_handlers(loop, example)
example.run(loop, args.events)
try:
loop.run_forever()
finally:
loop.close()
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('path', help="Path to watch")
parser.add_argument('--events', default=10, type=int, help="Number of arguments before shutdown")
parser.add_argument('-d', '--debug', action='store_true', help="Enable asyncio debugging.")
args = parser.parse_args()
main(args)
|
