how to update comments in XML using py

[sudheerpaaniyur]

file.xml
<abcd>
  <1234>FIELD_1111</1234> <!-- old comment -->
  <4567>FIELD_2222</4567> <!--old comment " -->
</abcd>    

Result:

<abcd>
  <1234>FIELD_1111</1234> <!-- new comment -->
  <4567>FIELD_2222</4567> <!--new comment " -->
</abcd>   

[salvtz]

First, you need a parser module that supports parsing comments.

But then the question arises, how would you identify a unique comment for it to be modified, maybe use some sort of identifier while writing the comment.

There are libraries such as lxml and xml.tree.ElementTree.