XML parsing in Python3 (working with ElementTree)

XML :

XML stands for the eXtensible Markup Language. It was designed for data transport and data storage. It was designed for both Human and machine readable.

That’s enough for the introduction.

Let’s start working.

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First of all the XML file that we are working on.

<messages>  
  <note id="501">  
    <to>Tove</to>  
    <from>Jani</from>  
    <heading>Reminder</heading>  
    <body>This is code in cafe</body>  
  </note>  
  <note id="502">  
    <to>Jani</to>  
    <from>Tove</from>  
    <heading>Re: Reminder</heading>  
    <body>I will not</body>  
  </note>  
</messages>

We are using this file as an example XML file, name this file as the “example.xml”.

Let’s start working with the python3.

to Parse the XML by the python first, we have to import a module named xml.etree.ElementTree

import xml.etree.ElementTree as ET   
d = ET.parse("example.xml").getroot()

getroot() returns the root node of the XML data.
you can also use the ET.fromstring(xml_data_string)

now we have XML parsed and stored in the variable, let’s get data from it.
suppose we want to get the body of all the notes then sample code is.

for i in d.findall("note"):  
    print(i.find("body").text)

this chunk of code gives us the all the body tag values in the print.

whole working code summed up into one.

import xml.etree.ElementTree as ET   
  
#parse return a handle   
#getroot return a root tag of the whole xml  
d = ET.parse("example.xml").getroot()  
  
#findall iterate through all the iteration of the particular tag.  
for i in d.findall("note"):  
    #find checks the single iter of the tag  
    print(i.find("body").text)  
  
#repeating the process again  
for i in d.findall("note"):  
    #formatting the message again  
    print("Message from "+i.find("from").text + " to "+ i.find("to").text )

And the output for this code is

output

working with the XML is easy.

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XML :#

XML :