Warning

This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.

Source code for galaxy.selenium.driver_factory

import logging
import os

try:
    from pyvirtualdisplay import Display
except ImportError:
    Display = None

from selenium import webdriver
from selenium.webdriver.chrome.options import Options as ChromeOptions
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.remote.webdriver import WebDriver

logger = logging.getLogger('selenium.webdriver.remote.remote_connection')
logger.setLevel(logging.WARNING)

DEFAULT_BROWSER = "auto"
DEFAULT_DOWNLOAD_PATH = '/tmp/'
LOGGING_PREFS = {
    "browser": "ALL",
}
DEFAULT_SELENIUM_BROWSER = "auto"
DEFAULT_SELENIUM_REMOTE = False
DEFAULT_SELENIUM_REMOTE_PORT = "4444"
DEFAULT_SELENIUM_REMOTE_HOST = "127.0.0.1"
DEFAULT_WINDOW_WIDTH = 1280
DEFAULT_WINDOW_HEIGHT = 1000
VALID_LOCAL_BROWSERS = ["CHROME", "FIREFOX", "OPERA"]


[docs]class ConfiguredDriver: driver: WebDriver
[docs] def __init__( self, browser=DEFAULT_SELENIUM_BROWSER, remote=DEFAULT_SELENIUM_REMOTE, remote_host=DEFAULT_SELENIUM_REMOTE_HOST, remote_port=DEFAULT_SELENIUM_REMOTE_PORT, headless=False, ): self.config = dict( browser=browser, remote=remote, remote_host=remote_host, remote_port=remote_port, headless=headless, ) if remote: driver = get_remote_driver( host=remote_host, port=remote_port, browser=browser, ) else: driver = get_local_driver( browser=browser, headless=headless, ) # Need larger than default window size for workflow index page, paired list creator. driver.set_window_size(DEFAULT_WINDOW_WIDTH, DEFAULT_WINDOW_HEIGHT) self.driver = driver
[docs] def to_dict(self): return self.config
[docs] @staticmethod def from_dict(as_dict): return ConfiguredDriver(**as_dict)
def get_local_browser(browser): if browser == "auto": if _which("chromedriver"): browser = "CHROME" elif _which("geckodriver"): browser = "FIREFOX" else: raise Exception("Selenium browser is 'auto' but neither geckodriver or chromedriver are found on PATH.") return browser
[docs]def get_local_driver(browser=DEFAULT_BROWSER, headless=False) -> WebDriver: browser = get_local_browser(browser) if browser not in VALID_LOCAL_BROWSERS: raise AssertionError(f"{browser} not in VALID_LOCAL_BROWSERS ({VALID_LOCAL_BROWSERS})") driver_to_class = { "CHROME": webdriver.Chrome, "FIREFOX": webdriver.Firefox, "OPERA": webdriver.Opera, } driver_class = driver_to_class[browser] if browser == 'CHROME': options = ChromeOptions() if headless: options.add_argument('--headless') prefs = {'download.default_directory': DEFAULT_DOWNLOAD_PATH} options.add_experimental_option('prefs', prefs) return driver_class(desired_capabilities={"loggingPrefs": LOGGING_PREFS}, chrome_options=options) elif browser == 'FIREFOX': fp = webdriver.FirefoxProfile() fp.set_preference('network.proxy.type', 2) fp.set_preference('network.proxy.autoconfig_url', "http://127.0.0.1:9675") fp.set_preference('browser.download.folderList', 2) fp.set_preference('browser.download.dir', DEFAULT_DOWNLOAD_PATH) fp.set_preference("browser.helperApps.neverAsk.saveToDisk", 'application/octet-stream') return driver_class(firefox_profile=fp) else: return driver_class(desired_capabilities={"loggingPrefs": LOGGING_PREFS})
[docs]def get_remote_driver( host, port, browser=DEFAULT_BROWSER ) -> WebDriver: # docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:3.0.1-aluminum if browser == "auto": browser = "CHROME" assert browser in ["CHROME", "EDGE", "ANDROID", "FIREFOX", "INTERNETEXPLORER", "IPAD", "IPHONE", "OPERA", "SAFARI"] desired_capabilities = getattr(DesiredCapabilities, browser) desired_capabilities["loggingPrefs"] = LOGGING_PREFS executor = f'http://{host}:{port}/wd/hub' driver = webdriver.Remote( command_executor=executor, desired_capabilities=desired_capabilities, ) return driver
[docs]def is_virtual_display_available(): return Display is not None
[docs]def virtual_display_if_enabled(enabled): if enabled: display = Display(visible=0, size=(800, 600)) display.start() return display else: return NoopDisplay()
class NoopDisplay: def stop(self): """No-op stop for consistent use with pyvirtualdisplay Display class.""" # Purposely copied from galaxy.util - just use galaxy.util if we decide # galaxy_selenium should definitely depend on Galaxy/galaxy-lib. def _which(file): # http://stackoverflow.com/questions/5226958/which-equivalent-function-in-python for path in os.environ["PATH"].split(":"): if os.path.exists(f"{path}/{file}"): return f"{path}/{file}" return None __all__ = ( 'ConfiguredDriver', 'get_local_driver', 'get_remote_driver', 'is_virtual_display_available', 'virtual_display_if_enabled', )