"""fnl.core.memory module

Trivial, but working code to get the memory usage of the current process
where the pid is retrieved using os.getpid() and the memory usage is read
from the unix command ps.    
"""

import os

__version__ = "1.0"
__author__ = "Florian Leitner"

def mem(size="rss"):
    """Generalization; memory sizes: rss, rsz, vsz."""
    return int(os.popen('ps -p %d -o %s | tail -1' %
                        (os.getpid(), size)).read())

def rss():
    """Return ps -o rss (resident) memory in kB."""
    return mem("rss")

def rsz():
    """Return ps -o rsz (resident + text) memory in kB."""
    return mem("rsz")

def vsz():
    """Return ps -o vsz (virtual) memory in kB."""
    return mem("vsz")

"""fnl.core.memory module

Trivial, but working code to get the memory usage of the current process
where the pid is retrieved using os.getpid() and the memory usage is read
from the unix command ps.

Copyright (c) 2007 Florian Leitner. All rights reserved.    
"""

import os

__version__ = "1.0"
__author__ = "Florian Leitner"

def mem(size="rss"):
    """Generalization; memory sizes: rss, rsz, vsz."""
    return int(os.popen('ps -p %d -o %s | tail -1' %
                        (os.getpid(), size)).read())

def rss():
    """Return ps -o rss (resident) memory in kB."""
    return mem("rss")

def rsz():
    """Return ps -o rsz (resident + text) memory in kB."""
    return mem("rsz")

def vsz():
    """Return ps -o vsz (virtual) memory in kB."""
    return mem("vsz")

get memory usage of current process on unix

textmate, python

Python