selenium how to get the content of href within some targeted class

As far as I am aware you can get the href by searching through the child elements

div = self.driver.find_element_by_class_name('someclass')
div.find_element_by_css_selector('a').get_attribute('href')

if you search for special tag use from find_element_by_id or classname or xpath and then use get_attribute('href')

in this example print all attribute for a tags

   ids = self.driver.find_elements_by_xpath('//*[@href]')
   for id in ids:
        print(id.get_attribute('href'))
       

This should do it for you:

self.driver.find_element_by_css_selector('.someclass a').get_attribute('href')