webdriver.Chrome.set_network_conditions：Chrome网络仿真设置。

参数

print(webdriver.Chrome.set_network_conditions.__doc__)
"""
Sets Chrome network emulation settings.

:Args:
- network_conditions: A dict with conditions specification.

:Usage:
driver.set_network_conditions(
offline=False,
latency=5,  # additional latency (ms)
download_throughput=500 * 1024,  # maximal throughput
upload_throughput=500 * 1024)  # maximal throughput

Note: 'throughput' can be used to set both (for download and upload).
"""

参数：

• offline

网络状态设置，默认为Fales(不断网），True(断网）

• latency

网络延迟设置，默认5ms

• download_throughput

下载最大吞吐量500 * 1024 500KB

• upload_throughput

上行速率最大吞吐量500 * 1024 500KB

Note: ‘throughput’ can be used to set both (for download and upload).

• throughput

可以直接设置上下行网络速率

实例说明

Broswer = webdriver.Chrome(executable_path="chromedriver", port=0,
options=None, service_args=None,
desired_capabilities=None, service_log_path=None,
chrome_options=None, keep_alive=True)
Broswer.set_network_conditions(offline=False,latency=1000,throughput=500 * 1024)
print(Broswer.get_network_conditions())
"""
{'download_throughput': 512000,
'latency': 1000,
'offline': False,
'upload_throughput': 512000}
"""

Note

: 使用Broswer.get_network_conditions() 前一定要设置Broswer.set_network_conditions的全部参数。

offline

设置为True任何网页都访问不了。

latency

：通过设置延迟增加或减少访问网页速度。

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