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authorMattias Andrée <maandree@operamail.com>2014-12-11 01:58:15 +0100
committerMattias Andrée <maandree@operamail.com>2014-12-11 01:58:15 +0100
commit623ebb2d3570795c3d405a8c293a8cad64d9b708 (patch)
tree36c26cc985f90598585872fbc294e2ed95f97fd4 /src
parentm (diff)
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add inotify
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/plugins/inotify.py59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/plugins/inotify.py b/src/plugins/inotify.py
new file mode 100644
index 0000000..5cf2d73
--- /dev/null
+++ b/src/plugins/inotify.py
@@ -0,0 +1,59 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+'''
+
+import os
+
+from util import *
+
+from plugins.linereader import LineReader
+
+
+
+class Inotify:
+ '''
+ File access monitor
+ '''
+
+ def __init__(self, callback, *arguments, events = None):
+ '''
+ Constructor
+
+ @param callback:(str)→void Function that will be called everytime a line is read from
+ `inotifywait`'s standard output, the parameter will be that line,
+ note that this will not be asynchronously, you may want to specify
+ something like `lambda : async(fun)` for that, and use semaphores
+ in `fun`.
+ @param arguments:*str The files and directories you want to watch and any addition
+ argument you want to pass to `inotifywait`
+ @param event:itr<str>? Event you want reported, see "EVENTS" under `inotifywait`'s man page
+ '''
+ command = ['inotifywait', '-m']
+ if events is not None:
+ if isinstance(events, str):
+ events = [events]
+ for event in events:
+ command.append('-e')
+ command.append(event)
+ command += list(arguments)
+ def start():
+ with LineReader(spawn(*command)) as reader:
+ while True:
+ callback(reader.next())
+ async(start)
+