Selenium点击不会触发网站上的事件(python)

时间:2015-09-26 02:13:25

标签: javascript python angularjs selenium selenium-webdriver

有时,当我使用selenium点击页面上的特定链接时,点击会通过,但网站不响应点击。例如,我尝试在nba.com上的统计页面上的日期之间导航时出现这种情况。

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as ec

import datetime
import time

def go_to_next_day(driver, next_date):
    for elem in driver.find_elements_by_css_selector('.date-selector i'):
        if 'right' in elem.get_attribute('class'):
            print 'Found next day!'
            elem.click()
            break
    else:
        raise ValueError('Unable to navigate to the next day')

    # wait 30 seconds until the next day loads
    WebDriverWait(driver, 30).until(
        ec.text_to_be_present_in_element((By.CSS_SELECTOR, '.date-selector > span'), next_date.strftime('%m/%d/%Y'))
    )


if __name__ == '__main__':
    # go to nba.com
    driver = webdriver.Firefox()
    driver.set_window_size(2560, 1600)
    driver.get('http://stats.nba.com/scores/#!/10/03/2014')

    print 'NBA.com loaded. Clicking to next day!!!'
    end_date = datetime.datetime.now()
    current_date = datetime.datetime.strptime('2014-10-03', '%Y-%m-%d')

    # after page loads, just click right until you get to current date
    while current_date <= end_date:
        # do something interesting on the page, modeled as a sleep
        time.sleep(1)

        next_date = current_date + datetime.timedelta(days=1)
        go_to_next_day(driver, next_date)
        current_date = next_date
        print 'Went to day {}'.format(current_date)

    driver.quit()
    print 'Done'

为什么脚本总是点击,但网站有时只更改其页面?是something to do with angular?我怀疑它与操作系统有什么关系,但我在Mac OS X上。

我不确定并且真的想弄清楚如何避免点击失败,特别是因为我认为我点击并以硒的方式等待。

1 个答案:

答案 0 :(得分:3)

问题是,如果当前日期的数据仍在加载,则点击不会使其进入第二天。换句话说,如果&#34;加载微调器&#34;是可见的 - 点击&gt;按钮无效。

要解决它:等待包含微调器的div.loader元素的隐身

def go_to_next_day(driver, next_date):
    wait = WebDriverWait(driver, 10)
    actions = ActionChains(driver)
    try:
        next_button = wait.until(ec.element_to_be_clickable((By.CSS_SELECTOR, '.date-selector i[class*=right]')))
        actions.move_to_element(next_button).click().perform()
    except TimeoutException:
        raise ValueError('Unable to navigate to the next day')

    # THIS IS THE KEY FIX
    wait.until(ec.invisibility_of_element_located((By.CSS_SELECTOR, "div.loader")))

    # wait until the next day loads
    wait.until(
        ec.text_to_be_present_in_element((By.CSS_SELECTOR, '.date-selector > span'), next_date.strftime('%m/%d/%Y'))
    )

我也使用下一个按钮进行操作有点不同,随时可以继续使用自己的方法或切换到我的方法 - 关键修复是在等待&#34;微调器&#34;隐形。适合我。