conflate.py 文件源码

def to_osc(self, josm=False):
        """Returns a string with osmChange or JOSM XML."""
        osc = etree.Element('osm' if josm else 'osmChange', version='0.6', generator=TITLE)
        if josm:
            neg_id = -1
            changeset = etree.SubElement(osc, 'changeset')
            ch_tags = {
                'source': self.source,
                'created_by': TITLE,
                'type': 'import'
            }
            for k, v in ch_tags.items():
                etree.SubElement(changeset, 'tag', k=k, v=v)
        for osmel in self.matched:
            if osmel.action is not None:
                el = osmel.to_xml()
                if josm:
                    if osmel.action == 'create':
                        el.set('id', str(neg_id))
                        neg_id -= 1
                    else:
                        el.set('action', osmel.action)
                    osc.append(el)
                else:
                    etree.SubElement(osc, osmel.action).append(el)
        return ("<?xml version='1.0' encoding='utf-8'?>\n" +
                etree.tostring(osc, encoding='utf-8').decode('utf-8'))