RatS/utils/browser_handler.py
import datetime
import os
import time
from selenium.common.exceptions import WebDriverException
from selenium.webdriver import Firefox, FirefoxOptions
from xvfbwrapper import Xvfb
from selenium.webdriver.firefox.service import Service
TIMESTAMP = datetime.datetime.fromtimestamp(time.time()).strftime("%Y%m%d%H%M%S")
EXPORTS_FOLDER = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, "RatS", "exports"))
class BrowserHandler:
def __init__(self, args):
self.args = args
if self.args and not self.args.show_browser:
self.display = Xvfb()
self.display.start()
log_level = self._define_log_level(self.args.log) if self.args and self.args.log else "warn"
options = self._create_browser_options(log_level)
service = Service(log_path=f"{TIMESTAMP}_geckodriver.log")
self.browser = Firefox(options=options, service=service)
# https://stackoverflow.com/questions/42754877/cant-upload-file-using-selenium-with-python-post-post-session-b90ee4c1-ef51-4 # noqa: E501
self.browser._is_remote = False # pylint: disable=protected-access
self.browser.maximize_window()
@staticmethod
def _define_log_level(log_level: str) -> str:
match log_level:
case "DEBUG":
return "debug"
case "INFO":
return "info"
case _:
return "warn"
@staticmethod
def _create_browser_options(log_level) -> FirefoxOptions:
options = FirefoxOptions()
options.log.level = log_level
options.set_preference("browser.download.folderList", 2)
options.set_preference("browser.download.manager.showWhenStarting", False)
options.set_preference("browser.download.dir", EXPORTS_FOLDER)
options.set_preference("browser.helperApps.neverAsk.saveToDisk", "text/csv, application/zip")
options.set_preference("browser.helperApps.alwaysAsk.force", False)
options.set_preference("devtools.jsonview.enabled", False)
options.set_preference("media.volume_scale", "0.0")
# https://github.com/mozilla/geckodriver/issues/858#issuecomment-322512336
options.set_preference("dom.file.createInChild", True)
return options
def kill(self) -> None:
self.browser.stop_client()
self.browser.close()
try:
self.browser.quit()
except WebDriverException:
pass
self.browser.service.stop()
if self.args and not self.args.show_browser:
self.display.stop()