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Python

# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from typing import Any
from typing import Dict
from typing import Type
from selenium.common.exceptions import ElementClickInterceptedException
from selenium.common.exceptions import ElementNotInteractableException
from selenium.common.exceptions import ElementNotSelectableException
from selenium.common.exceptions import ElementNotVisibleException
from selenium.common.exceptions import ImeActivationFailedException
from selenium.common.exceptions import ImeNotAvailableException
from selenium.common.exceptions import InsecureCertificateException
from selenium.common.exceptions import InvalidArgumentException
from selenium.common.exceptions import InvalidCookieDomainException
from selenium.common.exceptions import InvalidCoordinatesException
from selenium.common.exceptions import InvalidElementStateException
from selenium.common.exceptions import InvalidSelectorException
from selenium.common.exceptions import InvalidSessionIdException
from selenium.common.exceptions import JavascriptException
from selenium.common.exceptions import MoveTargetOutOfBoundsException
from selenium.common.exceptions import NoAlertPresentException
from selenium.common.exceptions import NoSuchCookieException
from selenium.common.exceptions import NoSuchElementException
from selenium.common.exceptions import NoSuchFrameException
from selenium.common.exceptions import NoSuchShadowRootException
from selenium.common.exceptions import NoSuchWindowException
from selenium.common.exceptions import ScreenshotException
from selenium.common.exceptions import SessionNotCreatedException
from selenium.common.exceptions import StaleElementReferenceException
from selenium.common.exceptions import TimeoutException
from selenium.common.exceptions import UnableToSetCookieException
from selenium.common.exceptions import UnexpectedAlertPresentException
from selenium.common.exceptions import UnknownMethodException
from selenium.common.exceptions import WebDriverException
class ErrorCode:
"""
Error codes defined in the WebDriver wire protocol.
"""
# Keep in sync with org.openqa.selenium.remote.ErrorCodes and errorcodes.h
SUCCESS = 0
NO_SUCH_ELEMENT = [7, "no such element"]
NO_SUCH_FRAME = [8, "no such frame"]
NO_SUCH_SHADOW_ROOT = ["no such shadow root"]
UNKNOWN_COMMAND = [9, "unknown command"]
STALE_ELEMENT_REFERENCE = [10, "stale element reference"]
ELEMENT_NOT_VISIBLE = [11, "element not visible"]
INVALID_ELEMENT_STATE = [12, "invalid element state"]
UNKNOWN_ERROR = [13, "unknown error"]
ELEMENT_IS_NOT_SELECTABLE = [15, "element not selectable"]
JAVASCRIPT_ERROR = [17, "javascript error"]
XPATH_LOOKUP_ERROR = [19, "invalid selector"]
TIMEOUT = [21, "timeout"]
NO_SUCH_WINDOW = [23, "no such window"]
INVALID_COOKIE_DOMAIN = [24, "invalid cookie domain"]
UNABLE_TO_SET_COOKIE = [25, "unable to set cookie"]
UNEXPECTED_ALERT_OPEN = [26, "unexpected alert open"]
NO_ALERT_OPEN = [27, "no such alert"]
SCRIPT_TIMEOUT = [28, "script timeout"]
INVALID_ELEMENT_COORDINATES = [29, "invalid element coordinates"]
IME_NOT_AVAILABLE = [30, "ime not available"]
IME_ENGINE_ACTIVATION_FAILED = [31, "ime engine activation failed"]
INVALID_SELECTOR = [32, "invalid selector"]
SESSION_NOT_CREATED = [33, "session not created"]
MOVE_TARGET_OUT_OF_BOUNDS = [34, "move target out of bounds"]
INVALID_XPATH_SELECTOR = [51, "invalid selector"]
INVALID_XPATH_SELECTOR_RETURN_TYPER = [52, "invalid selector"]
ELEMENT_NOT_INTERACTABLE = [60, "element not interactable"]
INSECURE_CERTIFICATE = ["insecure certificate"]
INVALID_ARGUMENT = [61, "invalid argument"]
INVALID_COORDINATES = ["invalid coordinates"]
INVALID_SESSION_ID = ["invalid session id"]
NO_SUCH_COOKIE = [62, "no such cookie"]
UNABLE_TO_CAPTURE_SCREEN = [63, "unable to capture screen"]
ELEMENT_CLICK_INTERCEPTED = [64, "element click intercepted"]
UNKNOWN_METHOD = ["unknown method exception"]
METHOD_NOT_ALLOWED = [405, "unsupported operation"]
class ErrorHandler:
"""
Handles errors returned by the WebDriver server.
"""
def check_response(self, response: Dict[str, Any]) -> None:
"""
Checks that a JSON response from the WebDriver does not have an error.
:Args:
- response - The JSON response from the WebDriver server as a dictionary
object.
:Raises: If the response contains an error message.
"""
status = response.get("status", None)
if not status or status == ErrorCode.SUCCESS:
return
value = None
message = response.get("message", "")
screen: str = response.get("screen", "")
stacktrace = None
if isinstance(status, int):
value_json = response.get("value", None)
if value_json and isinstance(value_json, str):
import json
try:
value = json.loads(value_json)
if len(value.keys()) == 1:
value = value["value"]
status = value.get("error", None)
if not status:
status = value.get("status", ErrorCode.UNKNOWN_ERROR)
message = value.get("value") or value.get("message")
if not isinstance(message, str):
value = message
message = message.get("message")
else:
message = value.get("message", None)
except ValueError:
pass
exception_class: Type[WebDriverException]
if status in ErrorCode.NO_SUCH_ELEMENT:
exception_class = NoSuchElementException
elif status in ErrorCode.NO_SUCH_FRAME:
exception_class = NoSuchFrameException
elif status in ErrorCode.NO_SUCH_SHADOW_ROOT:
exception_class = NoSuchShadowRootException
elif status in ErrorCode.NO_SUCH_WINDOW:
exception_class = NoSuchWindowException
elif status in ErrorCode.STALE_ELEMENT_REFERENCE:
exception_class = StaleElementReferenceException
elif status in ErrorCode.ELEMENT_NOT_VISIBLE:
exception_class = ElementNotVisibleException
elif status in ErrorCode.INVALID_ELEMENT_STATE:
exception_class = InvalidElementStateException
elif (
status in ErrorCode.INVALID_SELECTOR
or status in ErrorCode.INVALID_XPATH_SELECTOR
or status in ErrorCode.INVALID_XPATH_SELECTOR_RETURN_TYPER
):
exception_class = InvalidSelectorException
elif status in ErrorCode.ELEMENT_IS_NOT_SELECTABLE:
exception_class = ElementNotSelectableException
elif status in ErrorCode.ELEMENT_NOT_INTERACTABLE:
exception_class = ElementNotInteractableException
elif status in ErrorCode.INVALID_COOKIE_DOMAIN:
exception_class = InvalidCookieDomainException
elif status in ErrorCode.UNABLE_TO_SET_COOKIE:
exception_class = UnableToSetCookieException
elif status in ErrorCode.TIMEOUT:
exception_class = TimeoutException
elif status in ErrorCode.SCRIPT_TIMEOUT:
exception_class = TimeoutException
elif status in ErrorCode.UNKNOWN_ERROR:
exception_class = WebDriverException
elif status in ErrorCode.UNEXPECTED_ALERT_OPEN:
exception_class = UnexpectedAlertPresentException
elif status in ErrorCode.NO_ALERT_OPEN:
exception_class = NoAlertPresentException
elif status in ErrorCode.IME_NOT_AVAILABLE:
exception_class = ImeNotAvailableException
elif status in ErrorCode.IME_ENGINE_ACTIVATION_FAILED:
exception_class = ImeActivationFailedException
elif status in ErrorCode.MOVE_TARGET_OUT_OF_BOUNDS:
exception_class = MoveTargetOutOfBoundsException
elif status in ErrorCode.JAVASCRIPT_ERROR:
exception_class = JavascriptException
elif status in ErrorCode.SESSION_NOT_CREATED:
exception_class = SessionNotCreatedException
elif status in ErrorCode.INVALID_ARGUMENT:
exception_class = InvalidArgumentException
elif status in ErrorCode.NO_SUCH_COOKIE:
exception_class = NoSuchCookieException
elif status in ErrorCode.UNABLE_TO_CAPTURE_SCREEN:
exception_class = ScreenshotException
elif status in ErrorCode.ELEMENT_CLICK_INTERCEPTED:
exception_class = ElementClickInterceptedException
elif status in ErrorCode.INSECURE_CERTIFICATE:
exception_class = InsecureCertificateException
elif status in ErrorCode.INVALID_COORDINATES:
exception_class = InvalidCoordinatesException
elif status in ErrorCode.INVALID_SESSION_ID:
exception_class = InvalidSessionIdException
elif status in ErrorCode.UNKNOWN_METHOD:
exception_class = UnknownMethodException
else:
exception_class = WebDriverException
if not value:
value = response["value"]
if isinstance(value, str):
raise exception_class(value)
if message == "" and "message" in value:
message = value["message"]
screen = None # type: ignore[assignment]
if "screen" in value:
screen = value["screen"]
stacktrace = None
st_value = value.get("stackTrace") or value.get("stacktrace")
if st_value:
if isinstance(st_value, str):
stacktrace = st_value.split("\n")
else:
stacktrace = []
try:
for frame in st_value:
line = frame.get("lineNumber", "")
file = frame.get("fileName", "<anonymous>")
if line:
file = f"{file}:{line}"
meth = frame.get("methodName", "<anonymous>")
if "className" in frame:
meth = "{}.{}".format(frame["className"], meth)
msg = " at %s (%s)"
msg = msg % (meth, file)
stacktrace.append(msg)
except TypeError:
pass
if exception_class == UnexpectedAlertPresentException:
alert_text = None
if "data" in value:
alert_text = value["data"].get("text")
elif "alert" in value:
alert_text = value["alert"].get("text")
raise exception_class(message, screen, stacktrace, alert_text) # type: ignore[call-arg] # mypy is not smart enough here
raise exception_class(message, screen, stacktrace)