mirror of
https://github.com/Second-Hand-Friends/kleinanzeigen-bot.git
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251 lines
12 KiB
Python
251 lines
12 KiB
Python
"""
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Copyright (C) 2022 Sebastian Thomschke and contributors
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SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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import logging, os, shutil, sys
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from typing import Any, Callable, Dict, Final, Iterable, Tuple
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from selenium import webdriver
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from selenium.common.exceptions import NoSuchElementException, TimeoutException
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from selenium.webdriver.common.by import By
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from selenium.webdriver.chrome.service import Service as ChromeService, DEFAULT_EXECUTEABLE_PATH as DEFAULT_CHROMEDRIVER_PATH
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from selenium.webdriver.chromium.webdriver import ChromiumDriver
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from selenium.webdriver.edge.service import Service as EdgeService, DEFAULT_EXECUTEABLE_PATH as DEFAULT_EDGEDRIVER_PATH
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from selenium.webdriver.remote.webdriver import WebDriver
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from selenium.webdriver.remote.webelement import WebElement
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from selenium.webdriver.support import expected_conditions as EC
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from selenium.webdriver.support.ui import Select, WebDriverWait
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import selenium_stealth
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import webdriver_manager.utils as ChromeDriverManagerUtils
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from webdriver_manager.chrome import ChromeDriverManager
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from webdriver_manager.microsoft import EdgeChromiumDriverManager
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from webdriver_manager.utils import ChromeType
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from .utils import ensure, pause
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LOG:Final[logging.Logger] = logging.getLogger("kleinanzeigen_bot.selenium_mixin")
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class SeleniumMixin:
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def __init__(self):
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self.browser_arguments:Iterable[str] = []
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self.browser_binary_location:str = None
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self.webdriver:WebDriver = None
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def create_webdriver_session(self) -> None:
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LOG.info("Creating WebDriver session...")
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def init_browser_options(browser_options):
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if isinstance(browser_options, webdriver.EdgeOptions):
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browser_options.add_argument("-inprivate")
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else:
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browser_options.add_argument("--incognito")
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browser_options.add_argument("--disable-crash-reporter")
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browser_options.add_argument("--no-first-run")
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browser_options.add_argument("--no-service-autorun")
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for chrome_option in self.browser_arguments:
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LOG.info(" -> Custom chrome argument: %s", chrome_option)
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browser_options.add_argument(chrome_option)
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browser_options.add_experimental_option("excludeSwitches", ["enable-automation"])
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browser_options.add_experimental_option("useAutomationExtension", False)
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browser_options.add_experimental_option("prefs", {
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"credentials_enable_service": False,
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"profile.password_manager_enabled": False,
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"profile.default_content_setting_values.notifications": 2, # 1 = allow, 2 = block browser notifications
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"devtools.preferences.currentDockState": "\"bottom\""
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})
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if self.browser_binary_location:
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browser_options.binary_location = self.browser_binary_location
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LOG.info(" -> Chrome binary location: %s", self.browser_binary_location)
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return browser_options
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# check if a chrome driver is present already
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if shutil.which(DEFAULT_CHROMEDRIVER_PATH):
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self.webdriver = webdriver.Chrome(options = init_browser_options(webdriver.ChromeOptions()))
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elif shutil.which(DEFAULT_EDGEDRIVER_PATH):
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self.webdriver = webdriver.ChromiumEdge(options = init_browser_options(webdriver.EdgeOptions()))
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else:
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# determine browser major version
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if self.browser_binary_location:
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chrome_type, chrome_version = self.get_browser_version(self.browser_binary_location)
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else:
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chrome_type, chrome_version = self.get_browser_version_from_os()
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chrome_major_version = chrome_version.split(".", 1)[0]
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# download and install matching chrome driver
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if chrome_type == ChromeType.MSEDGE:
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webdriver_mgr = EdgeChromiumDriverManager(cache_valid_range = 14)
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webdriver_mgr.driver.browser_version = chrome_major_version
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webdriver_path = webdriver_mgr.install()
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env = os.environ.copy()
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env["MSEDGEDRIVER_TELEMETRY_OPTOUT"] = "1" # https://docs.microsoft.com/en-us/microsoft-edge/privacy-whitepaper/#microsoft-edge-driver
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self.webdriver = webdriver.ChromiumEdge(
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service = EdgeService(webdriver_path, env = env),
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options = init_browser_options(webdriver.EdgeOptions())
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)
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else:
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webdriver_mgr = ChromeDriverManager(chrome_type = chrome_type, cache_valid_range = 14)
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webdriver_mgr.driver.browser_version = chrome_major_version
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webdriver_path = webdriver_mgr.install()
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self.webdriver = webdriver.Chrome(service = ChromeService(webdriver_path), options = init_browser_options(webdriver.ChromeOptions()))
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# workaround to support Edge, see https://github.com/diprajpatra/selenium-stealth/pull/25
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selenium_stealth.Driver = ChromiumDriver
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selenium_stealth.stealth(self.webdriver, # https://github.com/diprajpatra/selenium-stealth#args
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languages = ("de-DE", "de", "en-US", "en"),
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vendor = "Google Inc.",
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platform = "Win32",
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webgl_vendor = "Intel Inc.",
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renderer = "Intel Iris OpenGL Engine",
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fix_hairline = True,
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)
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LOG.info("New WebDriver session is: %s %s", self.webdriver.session_id, self.webdriver.command_executor._url) # pylint: disable=protected-access
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def get_browser_version(self, executable_path: str) -> Tuple[ChromeType, str]:
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if sys.platform == "win32":
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import win32api # pylint: disable=import-outside-toplevel,import-error
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# pylint: disable=no-member
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lang, codepage = win32api.GetFileVersionInfo(executable_path, "\\VarFileInfo\\Translation")[0]
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product_name = win32api.GetFileVersionInfo(executable_path, f"\\StringFileInfo\\{lang:04X}{codepage:04X}\\ProductName")
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product_version = win32api.GetFileVersionInfo(executable_path, f"\\StringFileInfo\\{lang:04X}{codepage:04X}\\ProductVersion")
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# pylint: enable=no-member
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match product_name:
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case "Chromium":
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return (ChromeType.CHROMIUM, product_version)
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case "Microsoft Edge":
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return (ChromeType.MSEDGE, product_version)
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case _: # "Google Chrome"
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return (ChromeType.GOOGLE, product_version)
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if sys.platform.startswith("linux"):
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cmd = ChromeDriverManagerUtils.linux_browser_apps_to_cmd(executable_path)
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else:
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cmd = executable_path + " --version"
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version = ChromeDriverManagerUtils.read_version_from_cmd(cmd, r'\d+\.\d+\.\d+')
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filename = os.path.basename(executable_path).lower()
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if "chromium" in filename:
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return (ChromeType.CHROMIUM, version)
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if "edge" in filename:
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return (ChromeType.MSEDGE, version)
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return (ChromeType.GOOGLE, version)
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def get_browser_version_from_os(self) -> Tuple[ChromeType, str]:
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version = ChromeDriverManagerUtils.get_browser_version_from_os(ChromeType.CHROMIUM)
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if version != "UNKNOWN":
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return (ChromeType.CHROMIUM, version)
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LOG.debug("Chromium not found")
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version = ChromeDriverManagerUtils.get_browser_version_from_os(ChromeType.GOOGLE)
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if version != "UNKNOWN":
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return (ChromeType.GOOGLE, version)
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LOG.debug("Google Chrome not found")
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version = ChromeDriverManagerUtils.get_browser_version_from_os(ChromeType.MSEDGE)
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if version != "UNKNOWN":
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return (ChromeType.MSEDGE, version)
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LOG.debug("Microsoft Edge not found")
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return (None, None)
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def web_await(self, condition: Callable[[WebDriver], WebElement], timeout:int = 5) -> WebElement:
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"""
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:param timeout: timeout in seconds
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:raises NoSuchElementException: if element could not be found within time
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"""
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try:
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return WebDriverWait(self.webdriver, timeout).until(condition)
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except TimeoutException as ex:
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raise NoSuchElementException from ex
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def web_click(self, selector_type:By, selector_value:str, timeout:int = 5) -> WebElement:
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"""
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:param timeout: timeout in seconds
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:raises NoSuchElementException: if element could not be found within time
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"""
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elem = self.web_await(EC.element_to_be_clickable((selector_type, selector_value)), timeout)
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elem.click()
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pause()
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return elem
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def web_execute(self, javascript:str) -> Any:
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"""
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:return: The command's JSON response
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"""
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return self.webdriver.execute_script(javascript)
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def web_find(self, selector_type:By, selector_value:str, timeout:int = 5) -> WebElement:
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"""
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:param timeout: timeout in seconds
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:raises NoSuchElementException: if element could not be found within time
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"""
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return self.web_await(EC.presence_of_element_located((selector_type, selector_value)), timeout)
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def web_input(self, selector_type:By, selector_value:str, text:str, timeout:int = 5) -> WebElement:
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"""
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:param timeout: timeout in seconds
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:raises NoSuchElementException: if element could not be found within time
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"""
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input_field = self.web_find(selector_type, selector_value, timeout)
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input_field.clear()
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input_field.send_keys(text)
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pause()
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def web_open(self, url, timeout = 10, reload_if_already_open = False) -> None:
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"""
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:param url: url to open in browser
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:param timeout: timeout in seconds
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:param reload_if_already_open: if False does nothing if the url is already open in the browser
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"""
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LOG.debug(" -> Opening [%s]...", url)
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if not reload_if_already_open and url == self.webdriver.current_url:
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LOG.debug(" => skipping, [%s] is already open", url)
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return
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self.webdriver.get(url)
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WebDriverWait(self.webdriver, timeout).until(lambda _: self.web_execute("return document.readyState") == "complete")
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# pylint: disable=dangerous-default-value
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def web_request(self, url:str, method:str = "GET", valid_response_codes:Iterable[int] = [200], headers:Dict[str, str] = None) -> Dict[str, Any]:
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method = method.upper()
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LOG.debug(" -> HTTP %s [%s]...", method, url)
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response = self.webdriver.execute_async_script(f"""
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var callback = arguments[arguments.length - 1];
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fetch("{url}", {{
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method: "{method}",
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redirect: "follow",
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headers: {headers or {}}
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}})
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.then(response => response.text().then(responseText => {{
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headers = {{}};
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response.headers.forEach((v, k) => headers[k] = v);
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callback({{
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"statusCode": response.status,
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"statusMessage": response.statusText,
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"headers": headers,
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"content": responseText
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}})
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}}))
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""")
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ensure(
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response["statusCode"] in valid_response_codes,
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f'Invalid response "{response["statusCode"]} response["statusMessage"]" received for HTTP {method} to {url}'
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)
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return response
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# pylint: enable=dangerous-default-value
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def web_select(self, selector_type:By, selector_value:str, selected_value:Any, timeout:int = 5) -> WebElement:
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"""
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:param timeout: timeout in seconds
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:raises NoSuchElementException: if element could not be found within time
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"""
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elem = self.web_await(EC.element_to_be_clickable((selector_type, selector_value)), timeout)
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Select(elem).select_by_value(selected_value)
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pause()
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return elem
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