196 lines
8.7 KiB
Python
196 lines
8.7 KiB
Python
# Licensed to the Software Freedom Conservancy (SFC) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The SFC licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from selenium.common.exceptions import ElementNotSelectableException
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from selenium.common.exceptions import ElementNotVisibleException
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from selenium.common.exceptions import InvalidElementStateException
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from selenium.common.exceptions import InvalidSelectorException
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from selenium.common.exceptions import ImeNotAvailableException
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from selenium.common.exceptions import ImeActivationFailedException
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from selenium.common.exceptions import NoSuchElementException
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from selenium.common.exceptions import NoSuchFrameException
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from selenium.common.exceptions import NoSuchWindowException
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from selenium.common.exceptions import StaleElementReferenceException
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from selenium.common.exceptions import UnexpectedAlertPresentException
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from selenium.common.exceptions import NoAlertPresentException
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from selenium.common.exceptions import ErrorInResponseException
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from selenium.common.exceptions import TimeoutException
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from selenium.common.exceptions import WebDriverException
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from selenium.common.exceptions import MoveTargetOutOfBoundsException
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try:
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basestring
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except NameError: # Python 3.x
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basestring = str
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class ErrorCode(object):
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"""
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Error codes defined in the WebDriver wire protocol.
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"""
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# Keep in sync with org.openqa.selenium.remote.ErrorCodes and errorcodes.h
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SUCCESS = 0
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NO_SUCH_ELEMENT = [7, 'no such element']
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NO_SUCH_FRAME = [8, 'no such frame']
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UNKNOWN_COMMAND = [9, 'unknown command']
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STALE_ELEMENT_REFERENCE = [10, 'stale element reference']
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ELEMENT_NOT_VISIBLE = [11, 'element not visible']
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INVALID_ELEMENT_STATE = [12, 'invalid element state']
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UNKNOWN_ERROR = [13, 'unknown error']
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ELEMENT_IS_NOT_SELECTABLE = [15, 'element not selectable']
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JAVASCRIPT_ERROR = [17, 'javascript error']
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XPATH_LOOKUP_ERROR = [19, 'invalid selector']
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TIMEOUT = [21, 'timeout']
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NO_SUCH_WINDOW = [23, 'no such window']
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INVALID_COOKIE_DOMAIN = [24, 'invalid cookie domain']
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UNABLE_TO_SET_COOKIE = [25, 'unable to set cookie']
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UNEXPECTED_ALERT_OPEN = [26, 'unexpected alert open']
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NO_ALERT_OPEN = [27, 'no such alert']
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SCRIPT_TIMEOUT = [28, 'script timeout']
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INVALID_ELEMENT_COORDINATES = [29, 'invalid element coordinates']
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IME_NOT_AVAILABLE = [30, 'ime not available']
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IME_ENGINE_ACTIVATION_FAILED = [31, 'ime engine activation failed']
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INVALID_SELECTOR = [32, 'invalid selector']
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MOVE_TARGET_OUT_OF_BOUNDS = [34, 'move target out of bounds']
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INVALID_XPATH_SELECTOR = [51, 'invalid selector']
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INVALID_XPATH_SELECTOR_RETURN_TYPER = [52, 'invalid selector']
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METHOD_NOT_ALLOWED = [405, 'unsupported operation']
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class ErrorHandler(object):
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"""
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Handles errors returned by the WebDriver server.
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"""
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def check_response(self, response):
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"""
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Checks that a JSON response from the WebDriver does not have an error.
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:Args:
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- response - The JSON response from the WebDriver server as a dictionary
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object.
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:Raises: If the response contains an error message.
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"""
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status = response.get('status', None)
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if status is None or status == ErrorCode.SUCCESS:
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return
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value = None
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message = response.get("message", "")
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screen = response.get("screen", "")
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stacktrace = None
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if isinstance(status, int):
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value_json = response.get('value', None)
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if value_json and isinstance(value_json, basestring):
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import json
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try:
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value = json.loads(value_json)
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status = value.get('error', None)
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if status is None:
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status = value["status"]
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message = value["value"]
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if not isinstance(message, basestring):
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value = message
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try:
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message = message['message']
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except TypeError:
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message = None
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else:
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message = value.get('message', None)
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except ValueError:
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pass
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exception_class = ErrorInResponseException
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if status in ErrorCode.NO_SUCH_ELEMENT:
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exception_class = NoSuchElementException
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elif status in ErrorCode.NO_SUCH_FRAME:
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exception_class = NoSuchFrameException
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elif status in ErrorCode.NO_SUCH_WINDOW:
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exception_class = NoSuchWindowException
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elif status in ErrorCode.STALE_ELEMENT_REFERENCE:
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exception_class = StaleElementReferenceException
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elif status in ErrorCode.ELEMENT_NOT_VISIBLE:
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exception_class = ElementNotVisibleException
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elif status in ErrorCode.INVALID_ELEMENT_STATE:
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exception_class = InvalidElementStateException
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elif status in ErrorCode.INVALID_SELECTOR \
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or status in ErrorCode.INVALID_XPATH_SELECTOR \
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or status in ErrorCode.INVALID_XPATH_SELECTOR_RETURN_TYPER:
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exception_class = InvalidSelectorException
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elif status in ErrorCode.ELEMENT_IS_NOT_SELECTABLE:
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exception_class = ElementNotSelectableException
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elif status in ErrorCode.INVALID_COOKIE_DOMAIN:
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exception_class = WebDriverException
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elif status in ErrorCode.UNABLE_TO_SET_COOKIE:
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exception_class = WebDriverException
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elif status in ErrorCode.TIMEOUT:
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exception_class = TimeoutException
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elif status in ErrorCode.SCRIPT_TIMEOUT:
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exception_class = TimeoutException
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elif status in ErrorCode.UNKNOWN_ERROR:
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exception_class = WebDriverException
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elif status in ErrorCode.UNEXPECTED_ALERT_OPEN:
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exception_class = UnexpectedAlertPresentException
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elif status in ErrorCode.NO_ALERT_OPEN:
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exception_class = NoAlertPresentException
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elif status in ErrorCode.IME_NOT_AVAILABLE:
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exception_class = ImeNotAvailableException
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elif status in ErrorCode.IME_ENGINE_ACTIVATION_FAILED:
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exception_class = ImeActivationFailedException
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elif status in ErrorCode.MOVE_TARGET_OUT_OF_BOUNDS:
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exception_class = MoveTargetOutOfBoundsException
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else:
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exception_class = WebDriverException
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if value == '' or value is None:
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value = response['value']
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if isinstance(value, basestring):
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if exception_class == ErrorInResponseException:
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raise exception_class(response, value)
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raise exception_class(value)
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if message == "" and 'message' in value:
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message = value['message']
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screen = None
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if 'screen' in value:
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screen = value['screen']
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stacktrace = None
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if 'stackTrace' in value and value['stackTrace']:
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stacktrace = []
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try:
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for frame in value['stackTrace']:
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line = self._value_or_default(frame, 'lineNumber', '')
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file = self._value_or_default(frame, 'fileName', '<anonymous>')
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if line:
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file = "%s:%s" % (file, line)
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meth = self._value_or_default(frame, 'methodName', '<anonymous>')
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if 'className' in frame:
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meth = "%s.%s" % (frame['className'], meth)
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msg = " at %s (%s)"
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msg = msg % (meth, file)
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stacktrace.append(msg)
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except TypeError:
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pass
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if exception_class == ErrorInResponseException:
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raise exception_class(response, message)
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elif exception_class == UnexpectedAlertPresentException and 'alert' in value:
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raise exception_class(message, screen, stacktrace, value['alert'].get('text'))
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raise exception_class(message, screen, stacktrace)
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def _value_or_default(self, obj, key, default):
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return obj[key] if key in obj else default
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