就是我想做的,大多数时候我都成功了:基本上,我在一个网站上注册,然后等待一个类在源代码中,然后处理源代码。
我得到的例外:
Traceback (most recent call last):
File "foo.py", line 495, in <module>
report(login, password)
File "foo.py", line 430, in report
data = bar(login, password)
File "foo.py", line 113, in
ui.WebDriverWait(browser, 10).until(lambda browser: browser.find_elements_by_class_name("the-class-i-want"))
File "/Library/Python/2.7/site-packages/selenium/webdriver/support/wait.py", line 71, in until
raise TimeoutException(message)
selenium.common.exceptions.TimeoutException: Message: '' 这里是代码:
from selenium import webdriver
import contextlib
from selenium.webdriver.common.keys import Keys
import selenium.webdriver.support.ui as ui
from selenium.webdriver.support.wait import WebDriverWait
with contextlib.closing(webdriver.PhantomJS('phantomjs')) as browser:
browser.get('mywebsite')
login_form = browser.find_element_by_id('login-form')
email = browser.find_element_by_name('login')
password = browser.find_element_by_name('password')
email.send_keys(login)
password.send_keys(password)
password.send_keys(Keys.RETURN)
ui.WebDriverWait(browser, 10).until(lambda browser: browser.find_elements_by_class_name("the-class-i-want"))我也试过这个:
wait_count = 0
while wait_count < 6:
print wait_count
ui.WebDriverWait(browser, 10).until(lambda browser: browser.find_elements_by_class_name("the-class-i-want"))
if browser.find_elements_by_class_name("the-class-i-want"):
break
wait_count += 1我也有同样的例外。
我目前正在尝试:
wait_count = 0
while wait_count < 6:
try:
ui.WebDriverWait(browser, 10).until(lambda browser: browser.find_elements_by_class_name("the-class-i-want"))
if browser.find_elements_by_class_name("the-class-i-want"):
break
except:
wait_count += 1
continue我还没有达到失败的地步,我还在测试它。
对不起,太长了。但是我想找到一个仿生的,干净的方法来解决这些随机超时问题。
另一个可能也有帮助的信息:签名过程有时很长,但即使等待几分钟,也会抛出异常。
发布于 2013-07-23 20:34:45
这是我联系亚当·古彻后得到的答案:
from selenium import webdriver
import contextlib
from selenium.webdriver.common.keys import Keys
import selenium.webdriver.support.ui as ui
from selenium.webdriver.support.wait import WebDriverWait
def waiter(browser):
elements = browser.find_elements_by_class_name('the-class-i-want')
if len(elements) != 0:
return elements
return False
with contextlib.closing(webdriver.PhantomJS('phantomjs')) as browser:
browser.get('mywebsite')
login_form = browser.find_element_by_id('login-form')
email = browser.find_element_by_name('login')
password = browser.find_element_by_name('password')
email.send_keys(login)
password.send_keys(password)
password.send_keys(Keys.RETURN)
ui.WebDriverWait(browser, 10).until(waiter)这一切都很好!
https://stackoverflow.com/questions/17432412
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