Python Selenium set Chrome Preference Download Location.

def set_chrome_pref(self):
chromeOptions = webdriver.ChromeOptions()
prefs = {"download.default_directory": 'des_dir'}
chromeOptions.add_experimental_option("prefs", prefs)
driver = webdriver.Chrome(chrome_options=chromeOptions)

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原文地址：https://www.cnblogs.com/Raul2018/p/10038822.html