Function eval_xpath

searx/utils.py:541–562

Equivalent of element.xpath(xpath_str) but compile xpath_str once for all. See https://lxml.de/xpathxslt.html#xpath-return-values Args: * element (ElementBase): [description] * xpath_spec (str|lxml.etree.XPath): XPath as a str or lxml.etree.XPath Returns: * resu

(element, xpath_spec)

def eval_xpath(element, xpath_spec):
    """Equivalent of element.xpath(xpath_str) but compile xpath_str once for all.
    See https://lxml.de/xpathxslt.html#xpath-return-values

    Args:
        * element (ElementBase): [description]
        * xpath_spec (str|lxml.etree.XPath): XPath as a str or lxml.etree.XPath

    Returns:
        * result (bool, float, list, str): Results.

    Raises:
        * TypeError: Raise when xpath_spec is neither a str nor a lxml.etree.XPath
        * SearxXPathSyntaxException: Raise when there is a syntax error in the XPath
        * SearxEngineXPathException: Raise when the XPath can't be evaluated.
    """
    xpath = get_xpath(xpath_spec)
    try:
        return xpath(element)
    except XPathError as e:
        arg = ' '.join([str(i) for i in e.args])
        raise SearxEngineXPathException(xpath_spec, arg) from e


def eval_xpath_list(element, xpath_spec, min_len=None):