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Asked: 2026-05-15T13:14:14+00:00

I am trying to use Python to read in an XML file containing some

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I am trying to use Python to read in an XML file containing some parameter names and values, e.g.

   ...
   <parameter name='par1'>
        <value>24</value>
   </parameter>
   <parameter name='par2'>
        <value>Blue/Red/Green</value>
   </parameter>
   ...

and then pass it a dictionary with the parameter names {‘par1′:’53’,’par2′:’Yellow/Pink/Black’,…} and corresponding new values to replace the old ones in the XML file. The output should then overwrite the original XML file.

At the moment I am converting the XML to a python dictionary and after some element comparison and regular expression handling, writing the output again in XML format.

I am not too happy with this and was wondering whether anyone can recommend a more efficient way of doing it?

Thanks.

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1 Answer

  1. Editorial Team

    My first suggestion is to use lxml or some other Python XML parser rather than using regular expressions. XML is not a language that can be parsed with regular expressions reliably. (If you consistently try to parse XML with regular expressions bad things happen)

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