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edx-platform/xmodule/stringify.py
2022-06-20 18:20:06 +05:00

31 lines
1.1 KiB
Python

# lint-amnesty, pylint: disable=missing-module-docstring
from lxml import etree
def stringify_children(node):
'''
Return all contents of an xml tree, without the outside tags.
e.g. if node is parse of
"<html a="b" foo="bar">Hi <div>there <span>Bruce</span><b>!</b></div><html>"
should return
"Hi <div>there <span>Bruce</span><b>!</b></div>"
fixed from
http://stackoverflow.com/questions/4624062/get-all-text-inside-a-tag-in-lxml
'''
# Useful things to know:
# node.tostring() -- generates xml for the node, including start
# and end tags. We'll use this for the children.
# node.text -- the text after the end of a start tag to the start
# of the first child
# node.tail -- the text after the end this tag to the start of the
# next element.
parts = [node.text]
for c in node.getchildren():
parts.append(etree.tostring(c, with_tail=True, encoding='unicode'))
# filter removes possible Nones in texts and tails
return ''.join([part for part in parts if part])