test_xml_etree.py 文件源码

def check_encoding(encoding):
    """
    >>> check_encoding("ascii")
    >>> check_encoding("us-ascii")
    >>> check_encoding("iso-8859-1")
    >>> check_encoding("iso-8859-15")
    >>> check_encoding("cp437")
    >>> check_encoding("mac-roman")
    >>> check_encoding("gbk")
    Traceback (most recent call last):
    ValueError: multi-byte encodings are not supported
    >>> check_encoding("cp037")
    Traceback (most recent call last):
    ParseError: unknown encoding: line 1, column 30
    """
    ET.XML("<?xml version='1.0' encoding='%s'?><xml />" % encoding)