Beispiel #1
0
def truncate_xhtml(string, size, _strip_xhtml=False, _decode_entities=False):
    """Truncate a XHTML string to roughly a given size (full words).

    :param string: XHTML
    :type string: unicode
    :param size: Max length
    :param _strip_xhtml: Flag to strip out all XHTML
    :param _decode_entities: Flag to convert XHTML entities to unicode chars
    :rtype: unicode
    """
    if not string:
        return u''

    if _strip_xhtml:
        # Insert whitespace after block elements.
        # So they are separated when we strip the xhtml.
        string = block_spaces.sub(u"\\1 ", string)
        string = strip_xhtml(string)

    string = decode_entities(string)

    if len(string) > size:
        string = text.truncate(string, length=size, whole_word=True)

        if _strip_xhtml:
            if not _decode_entities:
                # re-encode the entities, if we have to.
                string = encode_entities(string)
        else:
            if _decode_entities:
                string = Cleaner(string, *truncate_filters,
                                 **cleaner_settings)()
            else:
                # re-encode the entities, if we have to.
                string = Cleaner(string, 'encode_xml_specials',
                                 *truncate_filters, **cleaner_settings)()

    return string.strip()
def truncate_xhtml(string, size, _strip_xhtml=False, _decode_entities=False):
    """Truncate a XHTML string to roughly a given size (full words).

    :param string: XHTML
    :type string: unicode
    :param size: Max length
    :param _strip_xhtml: Flag to strip out all XHTML
    :param _decode_entities: Flag to convert XHTML entities to unicode chars
    :rtype: unicode
    """
    if not string:
        return u''

    if _strip_xhtml:
        # Insert whitespace after block elements.
        # So they are separated when we strip the xhtml.
        string = block_spaces.sub(u"\\1 ", string)
        string = strip_xhtml(string)

    string = decode_entities(string)

    if len(string) > size:
        string = text.truncate(string, length=size, whole_word=True)

        if _strip_xhtml:
            if not _decode_entities:
                # re-encode the entities, if we have to.
                string = encode_entities(string)
        else:
            if _decode_entities:
                string = Cleaner(string,
                                 *truncate_filters, **cleaner_settings)()
            else:
                # re-encode the entities, if we have to.
                string = Cleaner(string, 'encode_xml_specials',
                                 *truncate_filters, **cleaner_settings)()

    return string.strip()