Python _unicode_safe_getattr示例

示例#1

文件： selectors.py 项目： digideskio/parslepy

        def xpath_pseudo_element(self, xpath, pseudo_element):

            try:

                from cssselect.parser import FunctionalPseudoElement
                from cssselect.xpath import _unicode_safe_getattr, XPathExpr

                if isinstance(pseudo_element, FunctionalPseudoElement):
                    method = 'xpath_%s_functional_pseudo_element' % (
                        pseudo_element.name.replace('-', '_'))
                    method = _unicode_safe_getattr(self, method, None)
                    if not method:
                        raise ExpressionError(
                            "The functional pseudo-element ::%s() is unknown"
                        % pseudo_element.name)
                    xpath = method(xpath, pseudo_element.arguments)
                else:
                    method = 'xpath_%s_simple_pseudo_element' % (
                        pseudo_element.replace('-', '_'))
                    method = _unicode_safe_getattr(self, method, None)
                    if not method:
                        raise ExpressionError(
                            "The pseudo-element ::%s is unknown"
                            % pseudo_element)
                    xpath = method(xpath)

            except ImportError:
                pass

            return xpath

示例#2

文件： selectors.py 项目： redapple/parslepy

        def xpath_pseudo_element(self, xpath, pseudo_element):

            try:

                from cssselect.parser import FunctionalPseudoElement
                from cssselect.xpath import _unicode_safe_getattr, XPathExpr

                if isinstance(pseudo_element, FunctionalPseudoElement):
                    method = 'xpath_%s_functional_pseudo_element' % (
                        pseudo_element.name.replace('-', '_'))
                    method = _unicode_safe_getattr(self, method, None)
                    if not method:
                        raise ExpressionError(
                            "The functional pseudo-element ::%s() is unknown" %
                            pseudo_element.name)
                    xpath = method(xpath, pseudo_element.arguments)
                else:
                    method = 'xpath_%s_simple_pseudo_element' % (
                        pseudo_element.replace('-', '_'))
                    method = _unicode_safe_getattr(self, method, None)
                    if not method:
                        raise ExpressionError(
                            "The pseudo-element ::%s is unknown" %
                            pseudo_element)
                    xpath = method(xpath)

            except ImportError:
                pass

            return xpath

示例#3

 def xpath_pseudo_element(self, xpath, pseudo_element):
     if isinstance(pseudo_element, FunctionalPseudoElement):
         method = 'xpath_%s_functional_pseudo_element' % (pseudo_element.name.replace('-', '_'))
         method = _unicode_safe_getattr(self, method, None)
         if not method:
             raise ExpressionError("The functional pseudo-element ::%s() is unknown" % pseudo_element.name)
         xpath = method(xpath, pseudo_element)
     else:
         method = 'xpath_%s_simple_pseudo_element' % (pseudo_element.replace('-', '_'))
         method = _unicode_safe_getattr(self, method, None)
         if not method:
             raise ExpressionError("The pseudo-element ::%s is unknown" % pseudo_element)
         xpath = method(xpath)
     return xpath

示例#4

文件： csstranslator.py 项目： jtwaleson/scrapy

 def xpath_pseudo_element(self, xpath, pseudo_element):
     if isinstance(pseudo_element, FunctionalPseudoElement):
         method = 'xpath_%s_functional_pseudo_element' % (
             pseudo_element.name.replace('-', '_'))
         method = _unicode_safe_getattr(self, method, None)
         if not method:
             raise ExpressionError(
                 "The functional pseudo-element ::%s() is unknown"
                 % pseudo_element.name)
         xpath = method(xpath, pseudo_element)
     else:
         method = 'xpath_%s_simple_pseudo_element' % (
             pseudo_element.replace('-', '_'))
         method = _unicode_safe_getattr(self, method, None)
         if not method:
             raise ExpressionError(
                 "The pseudo-element ::%s is unknown"
                 % pseudo_element)
         xpath = method(xpath)
     return xpath