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Commit
4bfd0b21
authored
Jan 30, 2013
by
Danyi Bence
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Merge branch 'master' of
ssh://giccero.cloud.ik.bme.hu/cloud
parents
9036c293
5dbeb820
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miscellaneous/store-server/TopList.py
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miscellaneous/store-server/TopList.py
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4bfd0b21
#!/usr/bin/python
import
os
,
os
.
path
from
pyinotify
import
WatchManager
,
Notifier
,
ThreadedNotifier
,
EventsCodes
,
ProcessEvent
,
IN_DONT_FOLLOW
,
IN_CREATE
,
IN_MODIFY
import
pwd
COUNT
=
5
wm
=
WatchManager
()
mask
=
IN_CREATE
|
IN_MODIFY
|
IN_DONT_FOLLOW
"""
Register given file to ~/../.top dir as a symbolic link.
"""
def
update_new
(
name
):
norm
=
os
.
path
.
normpath
(
name
)
if
norm
!=
name
:
return
# link
name
=
norm
if
name
.
find
(
"/."
)
!=
-
1
:
return
# hidden file (or file in hidden dir)
home
=
pwd
.
getpwuid
(
os
.
stat
(
name
)
.
st_uid
)
.
pw_dir
if
not
name
.
startswith
(
home
):
return
# outside home
top_dir
=
os
.
path
.
normpath
(
os
.
path
.
join
(
home
,
"../.top"
))
try
:
os
.
mkdir
(
top_dir
)
except
OSError
:
for
f
in
os
.
listdir
(
top_dir
):
if
os
.
readlink
(
os
.
path
.
join
(
top_dir
,
f
))
==
name
:
return
# duplicate
for
i
in
range
(
1
,
COUNT
):
try
:
os
.
rename
(
os
.
path
.
join
(
top_dir
,
str
(
i
+
1
)),
os
.
path
.
join
(
top_dir
,
str
(
i
)))
except
OSError
as
e
:
pass
os
.
symlink
(
name
,
os
.
path
.
join
(
top_dir
,
str
(
COUNT
)))
"""
Process inotify event.
"""
class
Process
(
ProcessEvent
):
def
process_default
(
self
,
event
):
if
event
.
name
:
update_new
(
os
.
path
.
join
(
event
.
path
,
event
.
name
))
"""
Watch continuously file modifications in /home.
"""
def
main
():
notifier
=
Notifier
(
wm
,
Process
())
wdd
=
wm
.
add_watch
(
'/home'
,
mask
,
rec
=
True
)
while
True
:
# loop forever
try
:
# process the queue of events as explained above
notifier
.
process_events
()
if
notifier
.
check_events
():
# read notified events and enqeue them
notifier
.
read_events
()
except
KeyboardInterrupt
:
# destroy the inotify's instance on this interrupt (stop monitoring)
notifier
.
stop
()
break
if
__name__
==
"__main__"
:
main
()
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