I have been trying to use the ElementTree library to generate KML documents. This seems to be straightforward for elements that are in the default KML namespace, but I'm unsure of how to include elements from other namespaces (such as atom:name).
The following is an example that (hopefully) illustrates the issues. My questions are listed after the example. #============================================ import xml.etree.cElementTree as ET atom_ns = 'http://www.w3.org/2005/Atom' # create a simple atom:name element name_element = ET.Element(ET.QName(atom_ns, 'name')) name_element.text = 'John Smith' print 'ET.tostring(name_element, encoding="UTF-8")=' print ET.tostring(name_element, encoding="UTF-8") print # wrap the atom:name element in a KML element kml_element = ET.Element("kml") kml_element.set('xmlns','http://www.opengis.net/kml/2.2') kml_element.set('xmlns:atom','http://www.w3.org/2005/Atom') kml_element.append(name_element) print 'ET.tostring(kml_element, encoding="UTF-8")=' print ET.tostring(kml_element, encoding="UTF-8") print #=========================================== When run, this test script produces the following: $ python namespace_test.py ET.tostring(name_element, encoding="UTF-8")= <?xml version='1.0' encoding='UTF-8'?> <ns0:name xmlns:ns0="http://www.w3.org/2005/Atom";>John Smith</ ns0:name> ET.tostring(kml_element, encoding="UTF-8")= <?xml version='1.0' encoding='UTF-8'?> <kml xmlns="http://www.opengis.net/kml/2.2"; xmlns:atom="http:// www.w3.org/2005/Atom"> <ns0:name xmlns:ns0="http://www.w3.org/2005/Atom";>John Smith</ ns0:name> </kml> Related to this example, here are my questions... 1. Is there a way to control what namespace prefix is used (I would rather use 'atom' than 'ns0' in the above example)? This would be advantageous for writing tests that try to reproduce examples in the OGC KML spec. 2. Is there a way to propagate the xmlns namespace definitions up to the highest level element? Currently the atom namespace is defined in both the kml and atom:name elements, and the atom:name definition seems unnecessary. To unsubscribe from this group, send email to python-gis-sig+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
