Handling text and a new line character in Python's dominate module

Question

Handling text and a new line character in Python's dominate module

897 Views Asked by Rocky At 04 April 2025 at 22:46

I am using dominate module in Python 3.7, I am not sure how to handle the new line characters that are existing in Python. As per my requirement the new line character \n should be converted to break character in HTML <br>. But that is not happening. The dominate module is ignoring the newline character which is not how I am expecting it to behave. Below is the code which I have tried.

import dominate
from dominate.tags import *
text = "Hello\nworld!"
doc = dominate.document(title='Dominate your HTML')
with doc:
   h1(text)

with open("dominate22.html", 'w') as file:
   file.write(doc.render())

The output HTML code is

<!DOCTYPE html>
<html>
  <head>
    <title>Dominate your HTML</title>
  </head>
  <body>
    <h1>Hello, 
World!</h1>
  </body>
</html>

Also I have tried replacing the new line character with break character i.e text.replace("\n", "<br>") But this was creating a string like Hello<br>World, which was not what I was expecting. Attaching the HTML code for the same.

<!DOCTYPE html>
<html>
  <head>
    <title>Dominate your HTML</title>
  </head>
  <body>
    <h1>Hello&lt;br&gt;world</h1>
  </body>
</html>

Original Q&A

There are 1 best solutions below

**bad_coder** · Answer 1

The dominate module is ignoring the newline character which is not how I am expecting it to behave.

For the dominate library the \n is just a character in a text string. It's not the same as a line break <br> HTML element so you have to do add it programmatically.

This example shows two approaches, using a context manager and adding nodes to an instance:

import dominate

from dominate.tags import h1, h2, br
from dominate.util import text

the_string = "Hello\nworld!"
doc = dominate.document(title='Dominate your HTML')

with doc:
    parts = the_string.split('\n')

    with h1():  # using a context manager
        text(parts[0])
        br()
        text(parts[1])

    header = h2()  # same as above but adding nodes
    header.add(text(parts[0]))
    header.add(br())
    header.add(text(parts[1]))


with open("dominate22.html", 'w') as file:
    file.write(doc.render())

Gives this HTML:

<!DOCTYPE html>
<html>
  <head>
    <title>Dominate your HTML</title>
  </head>
  <body>
    <h1>Hello<br>world!</h1>
    <h2>Hello<br>world!</h2>
  </body>
</html>

Handling text and a new line character in Python's dominate module

There are 1 best solutions below

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