如果您探索python- selenium驱动程序的源代码,则将看到firefox驱动程序的quit()
方法在做什么:
def quit(self):
"""Quits the driver and close every associated window."""
try:
RemoteWebDriver.quit(self)
except (http_client.BadStatusLine, socket.error):
# Happens if Firefox shutsdown before we've read the response from
# the socket.
pass
self.binary.kill()
try:
shutil.rmtree(self.profile.path)
if self.profile.tempfolder is not None:
shutil.rmtree(self.profile.tempfolder)
except Exception as e:
print(str(e))
您可以在此处依赖某些内容:检查是否profile.path
存在或检查binary.process
状态。它可以工作,但是您还可以看到只有“外部调用”,并且在python端没有任何改变 可以帮助您表明quit()
已调用了它。
换句话说,您需要拨打外部电话以检查 状态 :
>>> from selenium.webdriver.remote.command import Command
>>> driver.execute(Command.STATUS)
{u'status': 0, u'name': u'getStatus', u'value': {u'os': {u'version': u'unkNown', u'arch': u'x86_64', u'name': u'Darwin'}, u'build': {u'time': u'unkNown', u'version': u'unkNown', u'revision': u'unkNown'}}}
>>> driver.quit()
>>> driver.execute(Command.STATUS)
Traceback (most recent call last):
...
socket.error: [Errno 61] Connection refused
您可以将其放在下方try/except
并使其可重用:
import httplib
import socket
from selenium.webdriver.remote.command import Command
def get_status(driver):
try:
driver.execute(Command.STATUS)
return "Alive"
except (socket.error, httplib.CannotSendRequest):
return "Dead"
用法:
>>> driver = webdriver.Firefox()
>>> get_status(driver)
'Alive'
>>> driver.quit()
>>> get_status(driver)
'Dead'
另一种方法是 制作自定义Firefox Webdriver 并将设置session_id
为None
in quit()
:
class MyFirefox(webdriver.Firefox):
def quit(self):
webdriver.Firefox.quit(self)
self.session_id = None
然后,您可以简单地检查session_id
值:
>>> driver = MyFirefox()
>>> print driver.session_id
u'69fe0923-0ba1-ee46-8293-2f849c932f43'
>>> driver.quit()
>>> print driver.session_id
None