def select_from(self, selector: SelectorList) -> SelectorList:
selected = selector.css(self.string_selector)
if not selected:
msg = 'Not found any "{}" containers.'.format(self.name)
if self.raise_on_missed:
raise RuntimeError(msg)
else:
self.logger.warning(msg)
return SelectorList([])
return selected
def childes(
selector: SelectorList,
parent_tag: str,
) -> SelectorList:
if not isinstance(parent_tag, str):
raise TypeError('Given `parent_tag` is not `str` object.')
childes_selector = SelectorList()
iterate_selector_string_template = parent_tag + ' > :nth-child({i})'
i = 1
# starting the iteration
while True:
child = selector.css(iterate_selector_string_template.format(i=i))
if child:
childes_selector.append(child)
i += 1
else:
return childes_selector
def select(selector: SelectorList, string_selector: str) -> SelectorList:
return selector.css(string_selector)
import logging