xml.etree.ElementTree if element does not exist?
Ombongi Moraa Fe
moraa.lovetakes2 at gmail.com
Mon Apr 29 07:50:08 EDT 2013
Hi Stefan, Group
Thanks for the thumbs up.
Worked perfectly.
Saludos
Ombongi Moraa Faith
On 29 April 2013 14:22, Stefan Holdermans <stefan at vectorfabrics.com> wrote:
> Ombongi,
>
> > however, if i pass xml data that DOES NOT contain sepid element, i get
> an error:
> >
> > Traceback (most recent call last):
> > File "/usr/local/bin/receive.py", line 21, in <module>
> > sepid = content.find(".//{
> http://www.huawei.com.cn/schema/common/v2_1}sepid").text
> > AttributeError: 'NoneType' object has no attribute 'text'
> >
> >
> > some messages i receive will have the sepid parameter, other will not
> have this parameter. How can i cater for this? kinda like an if .. else
> implementation for xml.etree.ElementTree ?
>
> What about simply testing whether the value returned by find is None? For
> example:
>
> $ cat test.py
> from xml.etree import ElementTree
>
> myTree = ElementTree.fromstring('<test />')
> myElement = myTree.find('orange')
>
> if myElement is None:
> print 'tree does not contain a child element "orange"'
> else:
> print myElement.text
>
>
> $ python test.py
> tree does not contain a child element "orange"
>
> HTH,
>
> Stefan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-list/attachments/20130429/7354a854/attachment.html>
More information about the Python-list
mailing list