WebRunner.py 文件源码

def wait_for_text(self, selector='', text='', **kwargs):
        '''
        Wait for an element to contain a specific string.

        Parameters
        ----------
        selector: str
            A CSS selector to search for. This can be any valid CSS selector.

        text: str
            The string to look for. This must be precise.
            (Case, punctuation, UTF characters... etc.)
        kwargs:
            Passed on to _wait_for

        '''
        if selector.startswith('/'):
            by = By.XPATH
        else:
            by = By.CSS_SELECTOR
        self._wait_for(EC.text_to_be_present_in_element((by, selector),
                                                        text), **kwargs)