Selenium chromedriver download

Question What are the solutions for resolving file download issues while using ChromeDriver? from selenium import webdriverfrom selenium.webdriver.chrome.service import Servicefrom selenium.webdriver.chrome.options import Optionschrome_options = Options()download_dir = "C:\path\to\download" # Change to your download pathprefs = {'download.default_directory': download_dir}chrome_options.add_experimental_option('prefs', prefs)service = Service('path/to/chromedriver')driver = webdriver.Chrome(service=service, options=chrome_options) Answer When using ChromeDriver for automation testing, users may encounter issues with downloading files. This commonly stems from default configurations in Chrome that prevent file downloads or direct them to a default location without user input. Understanding how to adjust these settings can resolve most file download problems effectively. # Example: Allow all file types to download without promptprefs = {"download.default_directory": download_dir, "download.prompt_for_download": False, "download.directory_upgrade": True, "safebrowsing.enabled": True}chrome_options.add_experimental_option("prefs", prefs) Causes Incorrect ChromeDriver configuration settings for downloads. File type not permitted for automatic download in Chrome settings. Incomplete path to the download folder specified in ChromeDriver options. Solutions Set the default download directory using Chrome options in your test scripts. Allow all file types to be automatically downloaded without a prompt by modifying Chrome's preferences. Ensure the specified download path exists before starting the ChromeDriver. Common Mistakes Mistake: Not specifying the download directory in Chrome options. Solution: Always set the `download.default_directory` preference in your ChromeDriver configuration. Mistake: Forgetting to create the download directory path beforehand. Solution: Ensure the directory exists before initiating ChromeDriver. Mistake: Ignoring permissions issues for certain file types. Solution: Set `safebrowsing.enabled` to true in preferences to bypass this restriction. Helpers ChromeDriver file download issue fix ChromeDriver download ChromeDriver configuration Selenium file download automate file downloads with Python Related Questions

'download.prompt_for_download': False, 'download.directory_upgrade': True, 'safebrowsing.enabled': True})driver = webdriver.Chrome(options=chrome_options)This configuration sets the default download directory and disables the download prompt.Edge Configuration​For Microsoft Edge, the setup can be done similarly to Chrome by using options to configure download preferences:from selenium import webdriverfrom selenium.webdriver.edge.options import Optionsedge_options = Options()edge_options.add_experimental_option('prefs', { 'download.default_directory': '/path/to/download/directory', 'download.prompt_for_download': False, 'download.directory_upgrade': True, 'safebrowsing.enabled': True})driver = webdriver.Edge(options=edge_options)Safari Configuration​For Safari on macOS, setting up automatic downloads involves enabling the Develop menu and allowing remote automation. This doesn’t require additional code configurations but involves manual setup:Open Safari.Go to Safari > Preferences > Advanced.Enable the Develop menu.In the Develop menu, check 'Allow Remote Automation'.Cross-Platform Considerations​Selenium WebDriver with Python is compatible with various operating systems, including Windows, macOS, and Linux. This cross-platform compatibility allows testers to write automation scripts on one platform and execute them on different operating systems without major modifications (PCloudy).However, file handling for downloads can be somewhat browser and OS-specific. For example, the file system structure and default download locations may differ between operating systems. To ensure cross-platform compatibility, it’s recommended to use relative paths or environment variables when specifying download directories:import osdownload_dir = os.path.join(os.getenv('HOME'), 'Downloads')WebDriver Setup​To interact with different browsers, Selenium requires specific WebDriver executables. These drivers act as a bridge between Selenium and the browser. Here’s an overview of setting up WebDrivers for different browsers:ChromeDriver (for Google Chrome):Download the appropriate version of ChromeDriver from the official website.Ensure the ChromeDriver version matches your installed Chrome version.Add the ChromeDriver executable to your system PATH or specify its location in your Selenium script.driver = webdriver.Chrome(executable_path='/path/to/chromedriver')GeckoDriver (for Mozilla Firefox):Download GeckoDriver from the Mozilla GitHub repository.Add the GeckoDriver executable to your system PATH or specify its location in your Selenium script.driver = webdriver.Firefox(executable_path='/path/to/geckodriver')EdgeDriver (for Microsoft Edge):Download EdgeDriver from the Microsoft Developer website.Add the EdgeDriver executable to your system PATH or specify its location in your Selenium script.driver = webdriver.Edge(executable_path='/path/to/edgedriver')SafariDriver (for Safari on macOS):SafariDriver is included with Safari on macOS and doesn’t require a separate download.Enable the Develop menu in Safari preferences and check 'Allow Remote Automation' to use SafariDriver.Handling Download Dialogs​Some browsers may display native download dialogs that cannot be controlled directly by Selenium, as they are outside the browser’s DOM. To handle these situations, consider the following approaches:Browser Profile Configuration: As mentioned earlier, configure browser profiles to automatically download files without prompting.JavaScript Execution: In some cases, you can use JavaScript to trigger downloads programmatically.driver.execute_script('window.open(, download_url)')3. **Third-party Libraries**: Libraries like PyAutoGUI can be used to

What happened?Chrome Version : 132.0.6834.159Language : Python 3.8Docker chrome installationFROM python:3.8RUN wget --no-check-certificate -q -O - | apt-key add -RUN sh -c 'echo "deb [arch=amd64] stable main" >> /etc/apt/sources.list.d/google-chrome.list'RUN wget --no-check-certificate -O /code/chromedriver.zip == 0.3.1Code snippets:from selenium import webdriverfrom selenium.webdriver.chrome.webdriver import WebDriverfrom selenium.webdriver.chrome.service import Service as ChromeServicedef create_chrome_instance() -> WebDriver:options = get_chrome_options()os_type = platform.system()if os_type == 'Windows':driver: WebDriver = webdriver.Chrome(options=options)else:driver: WebDriver = webdriver.Chrome(service=ChromeService(executable_path="/code/chromedriver-linux64/chromedriver"), options=options)return driverdef get_chrome_options():options = webdriver.ChromeOptions()options.add_argument('--no-sandbox')options.add_argument("--window-size=1600,744")options.add_argument("--disable-dev-shm-usage")options.add_argument("--incognito")chrome_prefs = {}options.experimental_options["prefs"] = chrome_prefschrome_prefs["profile.default_content_settings"] = {"images": 2}# options.add_argument("--start-maximized")options.add_argument("--headless=old")os_type = os.getenv('ENVIRONMENT_TYPE')# if os_type == 'CLOUD':# pass# options.add_argument("--headless")if os_type == 'Windows': passelse: options.add_argument("--headless=old")return optionsError:File "/code/ey-exim-ps-seaigmenquiry-ice-gate/Sea_Igm_Enquiry_BusinessLogic.py", line 64, in executedriver = chrome_instance_manager.get_new_chrome_instance(scn_no)File "/code/ey-exim-ps-seaigmenquiry-ice-gate/core/ChromeInstanceManager.py", line 50, in get_new_chrome_instancechrome_instance = create_chrome_instance()File "/code/ey-exim-ps-seaigmenquiry-ice-gate/core/ChromeInstanceManager.py", line 66, in create_chrome_instancedriver: WebDriver = webdriver.Chrome(service=ChromeService(executable_path="/code/chromedriver-linux64/chromedriver"), options=options)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/chrome/webdriver.py", line 45, in initsuper().init(File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/chromium/webdriver.py", line 66, in initsuper().init(command_executor=executor, options=options)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 241, in initself.start_session(capabilities)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 329, in start_sessionresponse = self.execute(Command.NEW_SESSION, caps)["value"]File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 384, in executeself.error_handler.check_response(response)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/errorhandler.py", line 232, in check_responseraise exception_class(message, screen, stacktrace)selenium.common.exceptions.SessionNotCreatedException: Message: session not created: probably user data directory is already in use, please specify a unique value for --user-data-dir argument, or don't use --user-data-dirHow can we reproduce the issue? WebDriver:options = get_chrome_options()os_type = platform.system()if os_type == 'Windows':driver: WebDriver = webdriver.Chrome(options=options)else:driver: WebDriver = webdriver.Chrome(service=ChromeService(executable_path="/code/chromedriver-linux64/chromedriver"), options=options)return driverdef get_chrome_options():options = webdriver.ChromeOptions()options.add_argument('--no-sandbox')options.add_argument("--window-size=1600,744")options.add_argument("--disable-dev-shm-usage")options.add_argument("--incognito")chrome_prefs = {}options.experimental_options["prefs"] = chrome_prefschrome_prefs["profile.default_content_settings"] = {"images": 2}# options.add_argument("--start-maximized")options.add_argument("--headless=old")">Code shared in descriptionCode snippets:from selenium import webdriverfrom selenium.webdriver.chrome.webdriver import WebDriverfrom selenium.webdriver.chrome.service import Service as ChromeServicedef create_chrome_instance() -> WebDriver:options = get_chrome_options()os_type = platform.system()if os_type == 'Windows':driver: WebDriver = webdriver.Chrome(options=options)else:driver: WebDriver = webdriver.Chrome(service=ChromeService(executable_path="/code/chromedriver-linux64/chromedriver"), options=options)return driverdef get_chrome_options():options = webdriver.ChromeOptions()options.add_argument('--no-sandbox')options.add_argument("--window-size=1600,744")options.add_argument("--disable-dev-shm-usage")options.add_argument("--incognito")chrome_prefs = {}options.experimental_options["prefs"] = chrome_prefschrome_prefs["profile.default_content_settings"] = {"images": 2}# options.add_argument("--start-maximized")options.add_argument("--headless=old")Relevant log outputFile "/code/ey-exim-ps-seaigmenquiry-ice-gate/Sea_Igm_Enquiry_BusinessLogic.py", line 64, in executedriver = chrome_instance_manager.get_new_chrome_instance(scn_no)File "/code/ey-exim-ps-seaigmenquiry-ice-gate/core/ChromeInstanceManager.py", line 50, in get_new_chrome_instancechrome_instance = create_chrome_instance()File "/code/ey-exim-ps-seaigmenquiry-ice-gate/core/ChromeInstanceManager.py", line 66, in create_chrome_instancedriver: WebDriver = webdriver.Chrome(service=ChromeService(executable_path="/code/chromedriver-linux64/chromedriver"), options=options)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/chrome/webdriver.py", line 45, in initsuper().init(File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/chromium/webdriver.py", line 66, in initsuper().init(command_executor=executor, options=options)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 241, in initself.start_session(capabilities)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 329, in start_sessionresponse = self.execute(Command.NEW_SESSION, caps)["value"]File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 384, in executeself.error_handler.check_response(response)File "/usr/local/lib/python3.8/site-packages/selenium/webdriver/remote/errorhandler.py", line 232, in check_responseraise exception_class(message, screen, stacktrace)selenium.common.exceptions.SessionNotCreatedException: Message: session not created: probably user data directory is already in use, please specify a unique value for --user-data-dir argument, or don't use --user-data-dirOperating SystemDebian Python Image python:3.8Selenium version4.27.1What are the browser(s) and version(s) where you see this issue?Chrome Version : 132.0.6834.159What are the browser driver(s) and version(s) where you see this issue?Chrome headlessAre you using Selenium Grid?No response