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328 lines
9.1 KiB
328 lines
9.1 KiB
# 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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"""
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Exceptions that may happen in all the webdriver code.
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"""
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class WebDriverException(Exception):
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"""
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Base webdriver exception.
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"""
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def __init__(self, msg=None, screen=None, stacktrace=None):
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self.msg = msg
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self.screen = screen
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self.stacktrace = stacktrace
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def __str__(self):
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exception_msg = "Message: %s\n" % self.msg
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if self.screen is not None:
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exception_msg += "Screenshot: available via screen\n"
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if self.stacktrace is not None:
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stacktrace = "\n".join(self.stacktrace)
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exception_msg += "Stacktrace:\n%s" % stacktrace
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return exception_msg
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class ErrorInResponseException(WebDriverException):
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"""
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Thrown when an error has occurred on the server side.
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This may happen when communicating with the firefox extension
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or the remote driver server.
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"""
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def __init__(self, response, msg):
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WebDriverException.__init__(self, msg)
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self.response = response
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class InvalidSwitchToTargetException(WebDriverException):
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"""
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Thrown when frame or window target to be switched doesn't exist.
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"""
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pass
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class NoSuchFrameException(InvalidSwitchToTargetException):
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"""
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Thrown when frame target to be switched doesn't exist.
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"""
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pass
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class NoSuchWindowException(InvalidSwitchToTargetException):
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"""
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Thrown when window target to be switched doesn't exist.
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To find the current set of active window handles, you can get a list
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of the active window handles in the following way::
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print driver.window_handles
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"""
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pass
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class NoSuchElementException(WebDriverException):
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"""
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Thrown when element could not be found.
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If you encounter this exception, you may want to check the following:
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* Check your selector used in your find_by...
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* Element may not yet be on the screen at the time of the find operation,
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(webpage is still loading) see selenium.webdriver.support.wait.WebDriverWait()
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for how to write a wait wrapper to wait for an element to appear.
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"""
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pass
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class NoSuchAttributeException(WebDriverException):
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"""
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Thrown when the attribute of element could not be found.
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You may want to check if the attribute exists in the particular browser you are
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testing against. Some browsers may have different property names for the same
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property. (IE8's .innerText vs. Firefox .textContent)
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"""
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pass
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class StaleElementReferenceException(WebDriverException):
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"""
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Thrown when a reference to an element is now "stale".
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Stale means the element no longer appears on the DOM of the page.
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Possible causes of StaleElementReferenceException include, but not limited to:
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* You are no longer on the same page, or the page may have refreshed since the element
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was located.
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* The element may have been removed and re-added to the screen, since it was located.
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Such as an element being relocated.
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This can happen typically with a javascript framework when values are updated and the
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node is rebuilt.
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* Element may have been inside an iframe or another context which was refreshed.
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"""
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pass
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class InvalidElementStateException(WebDriverException):
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"""
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Thrown when a command could not be completed because the element is in an invalid state.
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This can be caused by attempting to clear an element that isn't both editable and resettable.
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"""
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pass
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class UnexpectedAlertPresentException(WebDriverException):
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"""
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Thrown when an unexpected alert is appeared.
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Usually raised when when an expected modal is blocking webdriver form executing any
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more commands.
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"""
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def __init__(self, msg=None, screen=None, stacktrace=None, alert_text=None):
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super(UnexpectedAlertPresentException, self).__init__(msg, screen, stacktrace)
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self.alert_text = alert_text
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def __str__(self):
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return "Alert Text: %s\n%s" % (self.alert_text, super(UnexpectedAlertPresentException, self).__str__())
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class NoAlertPresentException(WebDriverException):
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"""
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Thrown when switching to no presented alert.
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This can be caused by calling an operation on the Alert() class when an alert is
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not yet on the screen.
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"""
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pass
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class ElementNotVisibleException(InvalidElementStateException):
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"""
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Thrown when an element is present on the DOM, but
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it is not visible, and so is not able to be interacted with.
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Most commonly encountered when trying to click or read text
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of an element that is hidden from view.
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"""
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pass
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class ElementNotInteractableException(InvalidElementStateException):
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"""
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Thrown when an element is present in the DOM but interactions
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with that element will hit another element do to paint order
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"""
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pass
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class ElementNotSelectableException(InvalidElementStateException):
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"""
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Thrown when trying to select an unselectable element.
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For example, selecting a 'script' element.
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"""
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pass
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class InvalidCookieDomainException(WebDriverException):
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"""
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Thrown when attempting to add a cookie under a different domain
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than the current URL.
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"""
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pass
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class UnableToSetCookieException(WebDriverException):
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"""
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Thrown when a driver fails to set a cookie.
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"""
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pass
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class RemoteDriverServerException(WebDriverException):
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"""
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"""
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pass
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class TimeoutException(WebDriverException):
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"""
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Thrown when a command does not complete in enough time.
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"""
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pass
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class MoveTargetOutOfBoundsException(WebDriverException):
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"""
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Thrown when the target provided to the `ActionsChains` move()
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method is invalid, i.e. out of document.
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"""
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pass
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class UnexpectedTagNameException(WebDriverException):
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"""
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Thrown when a support class did not get an expected web element.
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"""
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pass
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class InvalidSelectorException(NoSuchElementException):
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"""
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Thrown when the selector which is used to find an element does not return
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a WebElement. Currently this only happens when the selector is an xpath
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expression and it is either syntactically invalid (i.e. it is not a
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xpath expression) or the expression does not select WebElements
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(e.g. "count(//input)").
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"""
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pass
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class ImeNotAvailableException(WebDriverException):
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"""
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Thrown when IME support is not available. This exception is thrown for every IME-related
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method call if IME support is not available on the machine.
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"""
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pass
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class ImeActivationFailedException(WebDriverException):
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"""
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Thrown when activating an IME engine has failed.
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"""
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pass
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class InvalidArgumentException(WebDriverException):
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"""
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The arguments passed to a command are either invalid or malformed.
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"""
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pass
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class JavascriptException(WebDriverException):
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"""
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An error occurred while executing JavaScript supplied by the user.
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"""
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pass
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class NoSuchCookieException(WebDriverException):
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"""
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No cookie matching the given path name was found amongst the associated cookies of the
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current browsing context's active document.
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"""
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pass
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class ScreenshotException(WebDriverException):
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"""
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A screen capture was made impossible.
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"""
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pass
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class ElementClickInterceptedException(WebDriverException):
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"""
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The Element Click command could not be completed because the element receiving the events
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is obscuring the element that was requested clicked.
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"""
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pass
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class InsecureCertificateException(WebDriverException):
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"""
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Navigation caused the user agent to hit a certificate warning, which is usually the result
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of an expired or invalid TLS certificate.
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"""
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pass
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class InvalidCoordinatesException(WebDriverException):
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"""
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The coordinates provided to an interactions operation are invalid.
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"""
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pass
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class InvalidSessionIdException(WebDriverException):
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"""
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Occurs if the given session id is not in the list of active sessions, meaning the session
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either does not exist or that it's not active.
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"""
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pass
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class SessionNotCreatedException(WebDriverException):
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"""
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A new session could not be created.
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"""
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pass
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class UnknownMethodException(WebDriverException):
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"""
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The requested command matched a known URL but did not match an method for that URL.
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"""
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pass
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