# coding=utf-8
from __future__ import unicode_literals
import time
import warnings
from poco.exceptions import PocoTargetTimeout
__author__ = 'lxn3032'
[docs]class PocoAccelerationMixin(object):
"""
This class provides some high-level method to reduce redundant code implementations.
As this is a MixinClass, please do not introduce new state in methods.
"""
[docs] def dismiss(self, targets, exit_when=None, sleep_interval=0.5, appearance_timeout=20, timeout=120):
"""
Automatically dismiss the target objects
Args:
targets (:obj:`list`): list of poco objects to be dropped
exit_when: termination condition, default is None which means to automatically exit when list of
``targets`` is empty
sleep_interval: time interval between each actions for the given targets, default is 0.5s
appearance_timeout: time interval to wait for given target to appear on the screen, automatically exit when
timeout, default is 20s
timeout: dismiss function timeout, default is 120s
Raises:
PocoTargetTimeout: when dismiss time interval timeout, under normal circumstances, this should not happen
and if happens, it will be reported
"""
try:
self.wait_for_any(targets, timeout=appearance_timeout)
except PocoTargetTimeout:
# here returns only when timeout
# 仅当超时时自动退出
warnings.warn('Waiting timeout when trying to dismiss something before them appear. Targets are {}'
.encode('utf-8').format(targets))
return
start_time = time.time()
while True:
no_target = True
for t in targets:
if t.exists():
try:
for n in t:
try:
n.click(sleep_interval=sleep_interval)
no_target = False
except:
pass
except:
# Catch the NodeHasBeenRemoved exception if some node was removed over the above iteration
# and just ignore as this will not affect the result.
# 遍历(__iter__: for n in t)过程中如果节点正好被移除了，可能会报远程节点被移除的异常
# 这个报错忽略就行
pass
time.sleep(sleep_interval)
should_exit = exit_when() if exit_when else False
if no_target or should_exit:
return
if time.time() - start_time > timeout:
raise PocoTargetTimeout('dismiss', targets)