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+--- Thread: using lxml to create a complex type element (/thread-33158.html)
using lxml to create a complex type element - piscvau - Apr-03-2021
Hello
I need to create an xml document from existing python classes and the generated xml document must be compliant with an XML schema.
I am not familiar with lxml nor with ElementTree in python!..
I have gone throught the documentation and cannot find out how to incorporate a complex type element in the tree.
Here is an exercise python code which I use as an exercise.
from lxml import etree
class Model:
def __init__(self, name, piecesdict):
self.name = name
self.piecesdic = piecesdict
def to_XML(self):
root = etree.Element("model")
for key, piece in self.piecesdic.items():
piecelement = piece.to_XML(root)
root.append(piecelement)
return root
class Piece:
def __init__(self, name, rows):
self.name = name
self.rows = rows
def to_XML(self, father):
element = etree.SubElement(father, 'piece', {'name': self.name, 'rows': str(self.rows)})
return element
piece1 = Piece('manche', 54)
piece2 = Piece('devant', 30)
dict = {piece.name: piece for piece in (piece1, piece2)}
mymodel = Model('mymodel', dict)
xml = mymodel.to_XML()
print(etree.tostring(xml, pretty_print=True))This produces an xml document but the piece element is not a complex type as required in the XML schema.Any Help would be welcomed.