Disk Space Script

mostro713 at gmail.com mostro713 at gmail.com
Sat Nov 24 15:20:04 EST 2007


On Nov 24, 2:11 pm, kyoso... at gmail.com wrote:
> On Nov 24, 11:46 am, "mostro... at gmail.com" <mostro... at gmail.com>
> wrote:
>
>
>
> > Hello all,
>
> > I would like to write a script in Python to email me when disk space
> > gets below a certain value.
>
> > My first question (I'm sure of many) is how do get this output into a
> > dictionary or list to index the values?
>
> > import os
> > os.system("df -x cifs -x iso9660 | grep -E ^/dev | awk '{ print
> > $1,$4 }'")
>
> > [What the output looks like]
>
> > /dev/sda3 15866012
> > /dev/sda4 26126712
>
> > I would like to write code that compares /dev/sda* to a number (ex.
> > 2000000 -> "2GB") and sends an alert if the indexed value is below it.
>
> > I'm a noob so keep it simple.
>
> > Thanks in advance.
>
> I don't know the Unix command for this, but I would just redirect the
> output to a file on your system. See the following for more info:
>
> http://www.faqs.org/docs/diveintopython/kgp_stdio.html
>
> You could send the output to a variable and create a file-like stream
> too. Either way, read the file (or stream) and then for each line,
> split it on the space.
>
> Then you can do the compare and use the email module to email you the
> result should it go over your specified amount.
>
> By the by, if you're using Python 2.4 or above, you should switch to
> using the subprocess module rather than using os.system since the
> latter is being deprecated.
>
> For more on file objects, see the docs:
>
> http://docs.python.org/lib/bltin-file-objects.html
>
> or there's this good article:
>
> http://www.devshed.com/c/a/Python/File-Management-in-Python/
>
> And the email module is explained quite well in the docs too:
>
> http://docs.python.org/lib/module-email.html
>
> Mike

Thanks for the info... I will do some reading...



More information about the Python-list mailing list