remove_blank_text and other options of XMLParser missing

[dga-nagra]

The library doesn't provide a way to remove blank text.
Using the basic lxml library:

from lxml import etree

PARSER = etree.XMLParser(remove_blank_text=True)
res = etree.XML(string, parser=PARSER)

This is the same for any option mentionned in #23.
These are important features that should be supported .

I tried to use ``XMLParserfrom the original libary with theXML()` of this one, I also tried to use `DefusedXMLParser`.
This simply doesn't seem possible.

Can you provide an example on how to access these features?
Thank you.

[tiran]

You have to construct a XMLParser a custom parser with lxml.etree.XMLParser and pass it to defusedxml.lxml.XML. You should at least set resolve_entities=False. The custom element lookup is optional.

>>> import lxml.etree
>>> import defusedxml.lxml
>>>
>>> parser = lxml.etree.Parser(remove_blank_text=True, resolve_entities=False)
>>> lookup = lxml.etree.ElementDefaultClassLookup(defusedxml.lxml.RestrictedElement)
>>> parser.set_element_class_lookup(lookup)
>>> e = defusedxml.lxml.XML("<root><el/>  </root>", parser=parser)
>>> lxml.etree.tostring(e)
b'<root><el/></root>'

[dga-nagra]

Hi @tiran, you said in #33 that

I have deprecated the defusedxml.lxml module and will remove it in a future release.

So I shouldn't be using the solution you provide, or have you changed your mind? Because I already have the deprecation warning when following your recommendation and it doesn't seem that RestrictedElement is available anywhere else.
Could you please not close this issue right away considering the solution you provide is supposed to be deprecated.

[dga-nagra]

@tiran any update on the deprecated solution?