moving to scripts
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eneller
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# 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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import json
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import pkgutil
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import sys
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from contextlib import asynccontextmanager
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from importlib import import_module
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from selenium.webdriver.common.by import By
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cdp = None
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def import_cdp():
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global cdp
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if not cdp:
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cdp = import_module("selenium.webdriver.common.bidi.cdp")
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class Log():
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"""
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This class allows access to logging APIs that use the new WebDriver Bidi
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protocol.
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This class is not to be used directly and should be used from the webdriver
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base classes.
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"""
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def __init__(self, driver, bidi_session) -> None:
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assert sys.version_info >= (3, 7)
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self.driver = driver
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self.session = bidi_session.session
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self.cdp = bidi_session.cdp
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self.devtools = bidi_session.devtools
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_pkg = '.'.join(__name__.split('.')[:-1])
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self._mutation_listener_js = pkgutil.get_data(_pkg, 'mutation-listener.js').decode('utf8').strip()
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@asynccontextmanager
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async def mutation_events(self) -> dict:
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"""
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Listens for mutation events and emits them as it finds them
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:Usage:
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::
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async with driver.log.mutation_events() as event:
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pages.load("dynamic.html")
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driver.find_element(By.ID, "reveal").click()
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WebDriverWait(driver, 5)\
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.until(EC.visibility_of(driver.find_element(By.ID, "revealed")))
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assert event["attribute_name"] == "style"
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assert event["current_value"] == ""
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assert event["old_value"] == "display:none;"
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"""
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assert sys.version_info >= (3, 7)
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page = self.cdp.get_session_context('page.enable')
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await page.execute(self.devtools.page.enable())
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runtime = self.cdp.get_session_context('runtime.enable')
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await runtime.execute(self.devtools.runtime.enable())
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await runtime.execute(self.devtools.runtime.add_binding("__webdriver_attribute"))
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self.driver.pin_script(self._mutation_listener_js)
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script_key = await page.execute(self.devtools.page.add_script_to_evaluate_on_new_document(self._mutation_listener_js))
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self.driver.pin_script(self._mutation_listener_js, script_key)
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self.driver.execute_script(f"return {self._mutation_listener_js}")
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event = {}
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async with runtime.wait_for(self.devtools.runtime.BindingCalled) as evnt:
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yield event
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payload = json.loads(evnt.value.payload)
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elements: list = self.driver.find_elements(By.CSS_SELECTOR, f"*[data-__webdriver_id={payload['target']}")
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if not elements:
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elements.append(None)
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event["element"] = elements[0]
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event["attribute_name"] = payload['name']
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event["current_value"] = payload['value']
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event["old_value"] = payload['oldValue']
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@asynccontextmanager
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async def add_js_error_listener(self):
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"""
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Listens for JS errors and when the contextmanager exits check if there were JS Errors
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:Usage:
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::
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async with driver.log.add_js_error_listener() as error:
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driver.find_element(By.ID, "throwing-mouseover").click()
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assert bool(error)
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assert error.exception_details.stack_trace.call_frames[0].function_name == "onmouseover"
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"""
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session = self.cdp.get_session_context('page.enable')
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await session.execute(self.devtools.page.enable())
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session = self.cdp.get_session_context('runtime.enable')
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await session.execute(self.devtools.runtime.enable())
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js_exception = self.devtools.runtime.ExceptionThrown(None, None)
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async with session.wait_for(self.devtools.runtime.ExceptionThrown) as exception:
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yield js_exception
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js_exception.timestamp = exception.value.timestamp
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js_exception.exception_details = exception.value.exception_details
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@asynccontextmanager
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async def add_listener(self, event_type) -> dict:
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'''
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Listens for certain events that are passed in.
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:Args:
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- event_type: The type of event that we want to look at.
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:Usage:
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::
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async with driver.log.add_listener(Console.log) as messages:
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driver.execute_script("console.log('I like cheese')")
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assert messages["message"] == "I love cheese"
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'''
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from selenium.webdriver.common.bidi.console import Console
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session = self.cdp.get_session_context('page.enable')
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await session.execute(self.devtools.page.enable())
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session = self.cdp.get_session_context('runtime.enable')
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await session.execute(self.devtools.runtime.enable())
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console = {
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"message": None,
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"level": None
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}
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async with session.wait_for(self.devtools.runtime.ConsoleAPICalled) as messages:
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yield console
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if event_type == Console.ERROR:
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console["message"] = messages.value.args[0].value
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console["level"] = messages.value.args[0].type_
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if event_type == Console.ALL:
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console["message"] = messages.value.args[0].value
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console["level"] = messages.value.args[0].type_
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