Pedro Andres Aranda Gutierrez <paag...@gmail.com> added the comment:
Thanks a lot again :-) We have a saying here: you'll never go to sleep without having learnt something new :-) On Tue, Jan 17, 2012 at 4:11 PM, patrick vrijlandt <rep...@bugs.python.org> wrote: > > patrick vrijlandt <patrick.vrijla...@gmail.com> added the comment: > > Hi, > > Did you look at lxml (http://lxml.de)? > > from lxml.builder import E > from lxml import etree > > tree = etree.ElementTree( > E.Hello( > "Good morning!", > E.World("How do you do", humour = "excellent"), > "Fine", > E.Goodbye(), > ), > ) > > print(etree.tostring(tree, pretty_print=True).decode()) > > # output, even more prettified > > <Hello> > Good morning! > <World humour="excellent"> > How do you do > </World> > Fine > <Goodbye/> > </Hello> > > By the way, your Element enhancement is buggy, because all newly create > elements will share the same attrib dictionary (if attrib is not given). > Notice that Donald Duck will be sad; by the time we print even Hello is sad. > > import xml.etree.ElementTree as etree > > class Element(etree.Element): > def __init__(self, tag, attrib={}, **extra): > super().__init__(tag) > self.tag = tag > self.attrib = attrib > self.attrib.update(extra) > self.text = self.attrib.pop('text', None) > self.tail = self.attrib.pop('tail', None) > self._children = [] > > if __name__ == '__main__': > > test = Element('Hello',) > test2 = Element('World',{'humour':'excelent'},text = 'How do you do', > tail="Fine") > test3 = Element('Goodbye', humour='sad') > test4 = Element('Donaldduck') > test.append(test2) > test.append(test3) > test.append(test4) > tree = etree.ElementTree(test) > print(etree.tostring(test, encoding="utf-8", method="xml")) > > <Hello humour="sad"> > <World humour="excelent">How do you do</World>Fine > <Goodbye humour="sad" /> > <Donaldduck humour="sad" /> > </Hello>' > > The correct idiom would be: > > def __init__(self, tag, attrib=None, **extra): > if attrib is None: > attrib = {} > super().__init__(tag) > > Cheers, > > Patrick > > 2012/1/16 Pedro Andres Aranda Gutierrez <rep...@bugs.python.org> > >> >> Pedro Andres Aranda Gutierrez <paag...@gmail.com> added the comment: >> >> Touché :-) >> I was just frustrated because my XMLs never have tail or text as >> attributes and I wanted to have more compact code... >> >> On Mon, Jan 16, 2012 at 12:14 PM, patrick vrijlandt >> <rep...@bugs.python.org> wrote: >> > >> > patrick vrijlandt <patrick.vrijla...@gmail.com> added the comment: >> > >> > I agree the Element syntax is sometimes awkward. >> > >> > But how would you represent text or tail attributes within this enhanced >> element? >> > <animal name="cat" tail="yes"> comes to mind ... >> > >> > ---------- >> > nosy: +patrick.vrijlandt >> > >> > _______________________________________ >> > Python tracker <rep...@bugs.python.org> >> > <http://bugs.python.org/issue13796> >> > _______________________________________ >> >> ---------- >> >> _______________________________________ >> Python tracker <rep...@bugs.python.org> >> <http://bugs.python.org/issue13796> >> _______________________________________ >> > > ---------- > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <http://bugs.python.org/issue13796> > _______________________________________ ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue13796> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
