Package moul :: Package osdependent :: Module singleapp

Module singleapp

Simple single instance application

Includes portalocker code with minor tweaks for Python 2.4+ from Jonathan Feinberg <jdf@pobox.com> http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65203

Unit tests for lock/unlock are in tests/test_singleapp

>>> singleapp = SimpleSingleApp('testapp')
>>> lckfile = singleapp.lckfile
>>> if os.path.isfile(lckfile):
...     os.unlink(fpath)
>>> path, pid = singleapp.acquire()
>>> path == lckfile
True
>>> os.path.isfile(lckfile)
True
>>> singleapp.checkLocked()
2
>>> singleapp.release()
>>> os.path.isfile(lckfile)
False

Classes

[hide private]

SingleAppError

SimpleSingleApp
A simple single instance application implemementation

Functions

[hide private]

lock(file, flags)

unlock(file)

Variables

[hide private]

__author__ = 'Christian Heimes'

__version__ = '$Id: singleapp.py 122 2007-02-02 17:34:06Z tiran $'

__revision__ = '$Revision: 122 $'

LOG = <logging.Logger instance at 0x4054b9cc>

TEMPDIR = '/tmp'

USER = 'heimes'

PID = 5749

LOCK_EX = 2

LOCK_SH = 1

LOCK_NB = 4

LOCK = 6

Function Details

[hide private]

lock(file, flags)

None

unlock(file)

None

Variables Details

[hide private]

author

None

Value:

'Christian Heimes'

version

None

Value:

'$Id: singleapp.py 122 2007-02-02 17:34:06Z tiran $'

revision

None

Value:

'$Revision: 122 $'

LOG

None

Value:

<logging.Logger instance at 0x4054b9cc>

TEMPDIR

None

Value:

'/tmp'

USER

None

Value:

'heimes'

PID

None

Value:

LOCK_EX

None

Value:

LOCK_SH

None

Value:

LOCK_NB

None

Value:

LOCK

None

Value: