ldo / inotipy Goto Github PK

During development, I need to watch certain files (not directories) that change and reload them. inotipy does see the changes to these files but does not provide the name of the file that changed, which forces me to either watch the directories in which these files are and filter on the filename, or have one watcher per file. It would be more intuitive to have only one watcher for all these files and get the name of the file that indeed changed.

A basic example:

• create two files foo and bar in /tmp:

$ echo 1 > /tmp/foo
$ echo 2 > /tmp/bar 

• run a watcher for these two files:

import sys
import asyncio
import inotify

async def mainline() :
    watcher = inotify.Watcher.create()
    for path in  ('/tmp/foo','/tmp/bar'):
        watcher.watch(path, inotify.IN.ALL_EVENTS)
    while True :
        event = await watcher.get()
        sys.stdout.write("Got event: %s\n" % repr(event))

loop = asyncio.get_event_loop()
loop.run_until_complete(mainline())

• change the content of the files:

$ echo 3 > /tmp/foo 
$ echo 4 > /tmp/bar 

• see that we cannot tell which file actually changed:

Got event: Event(1, 0x00000002[<EVENT_BIT.MODIFY: 1>], 0, '')
Got event: Event(1, 0x00000020[<EVENT_BIT.OPEN: 5>], 0, '')
Got event: Event(1, 0x00000002[<EVENT_BIT.MODIFY: 1>], 0, '')
Got event: Event(1, 0x00000008[<EVENT_BIT.CLOSE_WRITE: 3>], 0, '')
Got event: Event(2, 0x00000002[<EVENT_BIT.MODIFY: 1>], 0, '')
Got event: Event(2, 0x00000020[<EVENT_BIT.OPEN: 5>], 0, '')
Got event: Event(2, 0x00000002[<EVENT_BIT.MODIFY: 1>], 0, '')
Got event: Event(2, 0x00000008[<EVENT_BIT.CLOSE_WRITE: 3>], 0, '')