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# 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 selenium.common.exceptions import ElementNotSelectableException
from selenium.common.exceptions import ElementNotVisibleException
from selenium.common.exceptions import InvalidCookieDomainException
from selenium.common.exceptions import InvalidElementStateException
from selenium.common.exceptions import InvalidSelectorException
from selenium.common.exceptions import ImeNotAvailableException
from selenium.common.exceptions import ImeActivationFailedException
from selenium.common.exceptions import NoSuchElementException
from selenium.common.exceptions import NoSuchFrameException
from selenium.common.exceptions import NoSuchWindowException
from selenium.common.exceptions import StaleElementReferenceException
from selenium.common.exceptions import UnableToSetCookieException
from selenium.common.exceptions import UnexpectedAlertPresentException
from selenium.common.exceptions import NoAlertPresentException
from selenium.common.exceptions import ErrorInResponseException
from selenium.common.exceptions import TimeoutException
from selenium.common.exceptions import WebDriverException
from selenium.common.exceptions import MoveTargetOutOfBoundsException
try:
basestring
except NameError: # Python 3.x
basestring = str
class ErrorCode(object):
"""
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']
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']
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']
METHOD_NOT_ALLOWED = [405, 'unsupported operation']
class ErrorHandler(object):
"""
Handles errors returned by the WebDriver server.
"""
def check_response(self, response):
"""
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 status is None or status == ErrorCode.SUCCESS:
return
value = None
message = response.get("message", "")
screen = response.get("screen", "")
stacktrace = None
if isinstance(status, int):
value_json = response.get('value', None)
if value_json and isinstance(value_json, basestring):
import json
try:
value = json.loads(value_json)
status = value.get('error', None)
if status is None:
status = value["status"]
message = value["value"]
if not isinstance(message, basestring):
value = message
try:
message = message['message']
except TypeError:
message = None
else:
message = value.get('message', None)
except ValueError:
pass
exception_class = ErrorInResponseException
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_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.INVALID_COOKIE_DOMAIN:
exception_class = WebDriverException
elif status in ErrorCode.UNABLE_TO_SET_COOKIE:
exception_class = WebDriverException
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
else:
exception_class = WebDriverException
if value == '' or value is None:
value = response['value']
if isinstance(value, basestring):
if exception_class == ErrorInResponseException:
raise exception_class(response, value)
raise exception_class(value)
if message == "" and 'message' in value:
message = value['message']
screen = None
if 'screen' in value:
screen = value['screen']
stacktrace = None
if 'stackTrace' in value and value['stackTrace']:
stacktrace = []
try:
for frame in value['stackTrace']:
line = self._value_or_default(frame, 'lineNumber', '')
file = self._value_or_default(frame, 'fileName', '<anonymous>')
if line:
file = "%s:%s" % (file, line)
meth = self._value_or_default(frame, 'methodName', '<anonymous>')
if 'className' in frame:
meth = "%s.%s" % (frame['className'], meth)
msg = " at %s (%s)"
msg = msg % (meth, file)
stacktrace.append(msg)
except TypeError:
pass
if exception_class == ErrorInResponseException:
raise exception_class(response, message)
elif exception_class == UnexpectedAlertPresentException and 'alert' in value:
raise exception_class(message, screen, stacktrace, value['alert'].get('text'))
raise exception_class(message, screen, stacktrace)
def _value_or_default(self, obj, key, default):
return obj[key] if key in obj else default
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