xpath prob, was Re: Why is there no functional xml?

[Rustom Mody]

On Wednesday, January 24, 2018 at 2:31:22 PM UTC+5:30, Peter Otten wrote:
> Rustom Mody wrote:
> 
> > With
> > # Read above xml
> >>>> with open('soap_response.xml') as f: inp = etree.parse(f)
> > # namespace dict
> >>>> nsd = {'soap': "http://schemas.xmlsoap.org/soap/envelope/", 'locns':
> >>>> "http://example.com/"}
> > 
> > The following behavior is observed — actual responses elided in the
> > interest of brevity
> > 
> >>>> inp.xpath('//soap:Body', namespaces = nsd)
> > finds/reaches the node
> > 
> >>>> inp.xpath('//locns:blobRetrieveResponse', namespaces = nsd)
> > finds
> > 
> >>>> inp.xpath('//locns:dtCreationDate', namespaces = nsd)
> > does not find
> > 
> >>>> inp.xpath('//dtCreationDate', namespaces = nsd)
> > finds
> > 
> >>>> inp.xpath('//dtCreationDate')
> > also finds
> > 
> > 
> > Doesnt this contradict the fact that dtCreationDate is under the locns
> > namespace??
> > 
> > Any explanations??
> 
> Can you rewrite that question as a simple self-contained demo, similar to 
> the snippet shown under
> 
> http://lxml.de/xpathxslt.html#namespaces-and-prefixes
> 
> ?

I guess Dieter has cleared [thanks Dieter] that namespaces dont inherit to child 
tags. I need to wrap my head around the concepts and the syntax