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How to set/update value in a xml file using requests in python

Sum J <sjsumitj at gmail.com> writes:
> My xml file is located in local network :
> Below is a part content of above xml I want to update :
>     <nadyn:ProxyConfig>
>     <dd:ResourceURI/>
>     <dd:Port/>
>     <dd:ProxySupport>off</dd:ProxySupport>
>     </nadyn:ProxyConfig>
> I want to set value for 'ResourceUI' and 'Port' field in above xml.
> I have used below code :
>      data = {
>               'ResourceURI':'web-proxy.xxx.yy.com',
>               'Port':8080
>             }
>     URL = ''
>     # content type
>     head = {'Content-type': 'text/xml'}
>     # sending get request
>     gr= requests.get(url=URL)
>     print gr
>     # sending put request
>     r = requests.put(url=URL, data=data,headers=head)
>     print r.status_code
>     # extracting response text
>     output_xml = r.text
>     print("The op xml is:%s" % output_xml)
> Issue : The fields are not getting updated in xml using put request. I am able to see the response for get (request) , but for put request it is throwing errror code : 301 , resource has been moved permanently.

This may not be a Python question.

You are sending your data
("{'ResourceURI':'web-proxy.xxx.yy.com', 'Port':8080})
to the web service under "";.
Apparently, this web service does not interpret the data in the way you

Note, that you do not send an XML document to "NetAppsDyn.xml"
(despite your `Content-type="text/xml"`). The typical (WevDAV)
"put" would require that "data" contains a complete replacement
for the object to be replaced, not just some modifications
(of course, the object might have a specialized "put" which could
support partial updates -- but apparently, in your current
situation, this is either not the case or the "put" involved
expects to get the replacement information in a different way).

I would approach your task as follows:

 1. Fetch the original XML

 2. Use one of Python's XML libraries (I would use "lxml")
    to create the modified XML

 3. "put" the modified XML to the server