lxml and xpath(?)
Pete Forman
petef4+usenet at gmail.com
Thu Oct 27 02:56:44 EDT 2016
Peter Otten <__peter__ at web.de> writes:
> root = etree.fromstring(s)
> for server in root.xpath("./server"):
> servername = server.xpath("./name/text()")[0]
When working with lxml I prefer to use this Python idiom.
servername, = server.xpath("./name/text()")
That enforces a single result. The original code will detect a lack of
results but if the query returns multiple results when only one is
expected then it silently returns the first.
--
Pete Forman
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