mbxml.py 文件源码

def make_tag_request(**kwargs):
    NS = "http://musicbrainz.org/ns/mmd-2.0#"
    root = ET.Element("{%s}metadata" % NS)
    for entity_type in ['artist', 'label', 'place', 'recording', 'release', 'release_group', 'work']:
        entity_tags = kwargs.pop(entity_type + '_tags', None)
        if entity_tags is not None:
            e_list = ET.SubElement(root, "{%s}%s-list" % (NS, entity_type.replace('_', '-')))
            for e, tags in entity_tags.items():
                e_xml = ET.SubElement(e_list, "{%s}%s" % (NS, entity_type.replace('_', '-')))
                e_xml.set("{%s}id" % NS, e)
                taglist = ET.SubElement(e_xml, "{%s}user-tag-list" % NS)
                for tag in tags:
                    usertag_xml = ET.SubElement(taglist, "{%s}user-tag" % NS)
                    name_xml = ET.SubElement(usertag_xml, "{%s}name" % NS)
                    name_xml.text = tag
    if kwargs.keys():
        raise TypeError("make_tag_request() got an unexpected keyword argument '%s'" % kwargs.popitem()[0])

    return ET.tostring(root, "utf-8")