\n\"\"\"\n\nSAMPLE_XML_NS = \"\"\"\n
\n\"\"\"\n\ndef sanity():\n \"\"\"\n Import sanity.\n\n >>> from xml.etree import cElementTree\n \"\"\"\n\ndef check_method(method):\n if not hasattr(method, '__call__'):\n print method, \"not callable\"\n\ndef serialize(ET, elem, encoding=None):\n import StringIO\n file = StringIO.StringIO()\n tree = ET.ElementTree(elem)\n if encoding:\n tree.write(file, encoding)\n else:\n tree.write(file)\n return file.getvalue()\n\ndef summarize(elem):\n return elem.tag\n\ndef summarize_list(seq):\n return map(summarize, seq)\n\ndef interface():\n \"\"\"\n Test element tree interface.\n\n >>> element = ET.Element(\"tag\", key=\"value\")\n >>> tree = ET.ElementTree(element)\n\n Make sure all standard element methods exist.\n\n >>> check_method(element.append)\n >>> check_method(element.insert)\n >>> check_method(element.remove)\n >>> check_method(element.getchildren)\n >>> check_method(element.find)\n >>> check_method(element.findall)\n >>> check_method(element.findtext)\n >>> check_method(element.clear)\n >>> check_method(element.get)\n >>> check_method(element.set)\n >>> check_method(element.keys)\n >>> check_method(element.items)\n >>> check_method(element.getiterator)\n\n Basic method sanity checks.\n\n >>> serialize(ET, element) # 1\n '