How to modify XML as text in lxml
Question
I have an XML file generated by an IDE; however, it unfortunately outputs code with newlines as BRs and seems to randomly decide where to place newlines. Example:
if test = true
foo;
bar;
endif
becomes the following XTML within an XML file:
<body>
<p>if test = true<br /> foo;<br /> bar;<br />endif
</p>
</body>
I am trying to make a pre-processor for these files in python using lxml to make it easier to version control them. However, I cannot figure out to modify the XML as text so that I can place each BR on it's own line like the following:
<body>
<p>if test = true
<br /> foo;
<br /> bar;
<br />endif
</p>
</body>
How does one edit the xml as text, or failing that, is there another way to get the results like above?
1 answers
solution1
0 ACCPTED 2014-10-03 00:43:17
One option would be to add a new-line character to the p tag's text and br tag tails. Example:
from lxml import html
data = """
<html>
<body>
<p>if test = true<br /> foo;<br /> bar;<br />endif
</p>
</body>
</html>
"""
tree = html.fromstring(data)
p = tree.find('.//p')
p.text += '\n'
for element in tree.xpath('.//br'):
element.tail += '\n'
print html.tostring(tree)
Prints:
<html>
<body>
<p>if test = true
<br> foo;
<br> bar;
<br>endif
</p>
</body>
</html>
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