Try/Except for ADSI GetObject

[LittlePython]

I am a little confused on why I can not detect an object that does not exist
with a try and except. If I understand ADSI correctly from what I have read
you do not create these objects but rather get them. They already exist. I
believe if I do the equivalent in VB I would generate an error when I try to
get an object that does not exist (can not find). What have I done wrong?
I have included the function below that works in ever respect but detecting
incorrect NT Domain Names (objects that do not exist) . Any tips, insight or
comments would be welcome by this newbie.

Thx


def CheckNT4(header , all):

adsi = win32com.client .Dispatch('ADsN ameSpaces')

try:
nt = adsi.GetObject( '', "WinNT://"+ frm.NTName) #----->I need some
type of try/except to detect incorrect NT Domain Names
except: print "Domain name failed" # this does not detect a problem

nt.Filter = ['user']
try:
oSID = win32com.client .Dispatch('ADsS id')
except:
MyUsers = [ eauser for eauser in all if eauser[GetPostion(head er,
'STATUS')] is '']
for ea in MyUsers:
ea[GetPostion(head er, 'STATUS')] = 'FailNT'
ea[GetPostion(head er, 'COMMENT')] ='Can not find ADsSid'
MyUsers = [ eauser for eauser in all if eauser[GetPostion(head er,
'STATUS')] is '']
intcnt = 0
for user in nt:
for ea in MyUsers:
if string.upper(us er.Name) == string.upper(ea[GetPostion(head er,
'OLDNTLOGON')]):
frm.MyProgress. Update ( intcnt, 'Found NT user and SID : ' +
user.Name )
intcnt = intcnt+ 1

if user.AccountDis abled:
ea[GetPostion(head er, 'STATUS')] = 'FailNT'
ea[GetPostion(head er, 'COMMENT')] ='Disabled'
else:
if ea[GetPostion(head er, 'COMMENT')] is not '':
ea[GetPostion(head er, 'COMMENT')] = ''
oSID.SetAs (5, "WinNT://"+ frm.NTName + '/' + user.Name)
ea[GetPostion(head er, 'STATUS')] = 'PassNT'
ea[GetPostion(head er, 'Nt4Sid')] = oSID.GetAs(1)

for user in [ eauser for eauser in all if eauser[GetPostion(head er,
'STATUS')] is '']:
user[GetPostion(head er, 'STATUS')] = 'FailNT'
user[GetPostion(head er, 'COMMENT')] = 'NoNt4Account'

[Roger Upole]

Re: Try/Except for ADSI GetObject


"LittlePyth on" <LittlePython@l ost.com> wrote in message news:al5fg.9877 $ho6.1459@trndd c07...[color=blue]
>I am a little confused on why I can not detect an object that does not exist
> with a try and except. If I understand ADSI correctly from what I have read
> you do not create these objects but rather get them. They already exist. I
> believe if I do the equivalent in VB I would generate an error when I try to
> get an object that does not exist (can not find).[/color]

I don't get an error when doing a GetObject in VBS
for a nonexistent domain.


What have I done wrong?[color=blue]
> I have included the function below that works in ever respect but detecting
> incorrect NT Domain Names (objects that do not exist) . Any tips, insight or
> comments would be welcome by this newbie.[/color]


You should be able to use win32net.NetVal idateName to
verify that the domain exists before doing any more operations.

hth
Roger




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