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@ -2,6 +2,8 @@ from ..exceptions import UnknownOSException |
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from .common import NO_CHROME_DRIVER |
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from clint.textui import puts, colored |
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from selenium import webdriver |
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from shutil import which |
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from subprocess import check_output |
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from urllib.request import urlretrieve |
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import os, sys, stat, platform |
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@ -9,12 +11,6 @@ import progressbar |
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import re |
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import zipfile |
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chrome_drivers = { |
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"Windows" : "https://chromedriver.storage.googleapis.com/78.0.3904.70/chromedriver_win32.zip", |
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"Darwin" : "https://chromedriver.storage.googleapis.com/78.0.3904.70/chromedriver_mac64.zip", |
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"Linux" : "https://chromedriver.storage.googleapis.com/78.0.3904.70/chromedriver_linux64.zip" |
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} |
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def extract_zip(filename): |
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""" |
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Uses zipfile package to extract a single zipfile |
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@ -45,7 +41,36 @@ def setup_selenium(driver_path, options): |
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# Configures selenium to use a custom path |
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return webdriver.Chrome(executable_path=driver_path, options=options) |
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def get_webdriver(): |
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# TODO Merge these two into one |
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def get_chrome_version(chrome_binary_path=None): |
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driver_locations = [which(loc) for loc in ["google-chrome", "google-chrome-stable", "chromium", "chrome.exe"]] |
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for location in driver_locations: |
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if location: |
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version = check_output([location, "--version"]).strip() |
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# TODO need to reliably parse this output somehow |
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def construct_driver_url(chrome_binary_path=None): |
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""" |
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Construct a URL to download the Chrome Driver |
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""" |
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platform_string = platform.system() |
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chrome_drivers = { |
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"Windows" : "https://chromedriver.storage.googleapis.com/{0}/chromedriver_win32.zip", |
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"Darwin" : "https://chromedriver.storage.googleapis.com/{0}/chromedriver_mac64.zip", |
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"Linux" : "https://chromedriver.storage.googleapis.com/{0}/chromedriver_linux64.zip" |
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} |
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# First, construct a LATEST_RELEASE URL using Chrome's major version number. |
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# For example, with Chrome version 73.0.3683.86, use URL "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_73". |
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# Try to download a small file from this URL. If it successful, the file contains the ChromeDriver version to use. |
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# If the above step failed, reduce the Chrome major version by 1 and try again. |
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# For example, with Chrome version 75.0.3745.4, use URL "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_74" |
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# to download a small file, which contains the ChromeDriver version to use. |
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# You can also use ChromeDriver Canary build. |
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def get_webdriver(chrome_binary_path): |
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""" |
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Ensure a webdriver is available |
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If Not, Download it. |
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@ -65,7 +90,8 @@ def get_webdriver(): |
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else: |
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# Download it according to the current machine |
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chrome_webdriver = chrome_drivers.get(platform.system(), False) |
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chrome_webdriver = construct_driver_url(chrome_binary_path) |
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if not chrome_webdriver: |
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raise UnknownOSException("Unknown Operating system platform") |
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@ -91,8 +117,8 @@ def get_webdriver(): |
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file_name = chrome_webdriver.split('/')[-1] |
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response = urlretrieve(chrome_webdriver, file_name, show_progress) |
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if int(response[1].get('Content-Length')) == total_size: |
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puts(colored.green(f"DONE!")) |
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if int(response[1].get("Content-Length")) == total_size: |
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puts(colored.green("Completed downloading the Chrome Driver.")) |
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return "{0}/{1}".format(os.getcwd(), extract_zip(file_name)) |
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