On Fri, 28 Oct 2016 11:05:17 +0300, Demosthenes Koptsis wrote:
> Yes it was pasted wrong...
>
> def umount(self):
> '''unmounts VirtualDVD'''
> cmd = 'gksudo umount VirtualDVD'
> proc = subprocess.Popen(str(cmd), shell=True,
> stdout=subprocess.PIPE).stdout.read()
> print proc
>
> it fails silently.... the gksudo runs correctly. I can input the password.
>
> But the umount does nothing. I keep have mounted the VirtualDVD folder.
>
>
> On 10/28/2016 12:54 AM, Ian Kelly wrote:
>> On Thu, Oct 27, 2016 at 3:30 PM, Demosthenes Koptsis
>> <demosthen...@gmail.com> wrote:
>>> I want to execute the command "gksudo umount VirtualDVD"
>>>
>>> My code is this but it fails:
>>>
>>> def umount(self):
>>> '''unmounts VirtualDVD''' cmd ='gksudo umount VirtualDVD' proc =
>>> subprocess.Popen(str(cmd),shell=True,stdout=subprocess.PIPE).stdout.read()
>>> print proc
>> It looks like your code pasted incorrectly.
>>
>>> It pops up the gksudo dialog, and then fails. But i don't get any stdout or
>>> stderror.
>> Fails how? Is there an error? Does it hang? Does nothing happen at all?
>>
>> My initial thought is that you might want to try using
>> Popen.communicate instead of stdout.read in case you're getting
>> deadlocked. See the big red warning below
>> https://docs.python.org/3/library/subprocess.html#subprocess.Popen.stdout
Try this:
def umount(self):
'''unmounts VirtualDVD'''
cmd = ["gksudo", "umount", VirtualDVD
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
proc = p.communicate()
print proc
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