webDriver API——第11部分Remote WebDriver

The WebDriver implementation.

class selenium.webdriver.remote.webdriver.WebDriver(command_executor='http://127.0.0.1:4444/wd/hub'desired_capabilities=Nonebrowser_profile=Noneproxy=Nonekeep_alive=False)

Bases: object

Controls a browser by sending commands to a remote server. This server is expected to be running the WebDriver wire protocol as defined here: http://code.google.com/p/selenium/wiki/JsonWireProtocol

Attributes:
  • command_executor - The command.CommandExecutor object used to execute commands.
  • error_handler - errorhandler.ErrorHandler object used to verify that the server did not return an error.
  • session_id - The session ID to send with every command.
  • capabilities - A dictionary of capabilities of the underlying browser for this instance’s session.
  • proxy - A selenium.webdriver.common.proxy.Proxy object, to specify a proxy for the browser to use.
add_cookie(cookie_dict)

Adds a cookie to your current session.

Args:
  • cookie_dict: A dictionary object, with required keys - “name” and “value”;

    optional keys - “path”, “domain”, “secure”, “expiry”

Usage:
driver.add_cookie({‘name’ : ‘foo’, ‘value’ : ‘bar’}) driver.add_cookie({‘name’ : ‘foo’, ‘value’ : ‘bar’, ‘path’ : ‘/’}) driver.add_cookie({‘name’ : ‘foo’, ‘value’ : ‘bar’, ‘path’ : ‘/’, ‘secure’:True})
back()

Goes one step backward in the browser history.

Usage: driver.back()
close()

Closes the current window.

Usage: driver.close()
create_web_element(element_id)

Creates a web element with the specified element_id.

delete_all_cookies()

Delete all cookies in the scope of the session.

Usage: driver.delete_all_cookies()
delete_cookie(name)

Deletes a single cookie with the given name.

Usage: driver.delete_cookie(‘my_cookie’)
execute(driver_commandparams=None)

Sends a command to be executed by a command.CommandExecutor.

Args:
  • driver_command: The name of the command to execute as a string.
  • params: A dictionary of named parameters to send with the command.
Returns:

The command’s JSON response loaded into a dictionary object.

execute_async_script(script*args)

Asynchronously Executes JavaScript in the current window/frame.

Args:
  • script: The JavaScript to execute.
  • *args: Any applicable arguments for your JavaScript.
Usage:

driver.execute_async_script(‘document.title’)

execute_script(script*args)

Synchronously Executes JavaScript in the current window/frame.

Args:
  • script: The JavaScript to execute.
  • *args: Any applicable arguments for your JavaScript.
Usage:

driver.execute_script(‘document.title’)

find_element(by='id'value=None)

‘Private’ method used by the find_element_by_* methods.

Usage: Use the corresponding find_element_by_* instead of this.
Return type: WebElement
find_element_by_class_name(name)

Finds an element by class name.

Args:
  • name: The class name of the element to find.
Usage:

driver.find_element_by_class_name(‘foo’)

find_element_by_css_selector(css_selector)

Finds an element by css selector.

Args:
  • css_selector: The css selector to use when finding elements.
Usage:

driver.find_element_by_css_selector(‘#foo’)

find_element_by_id(id_)

Finds an element by id.

Args:
  • id_ - The id of the element to be found.
Usage:

driver.find_element_by_id(‘foo’)

find_element_by_link_text(link_text)

Finds an element by link text.

Args:
  • link_text: The text of the element to be found.
Usage:

driver.find_element_by_link_text(‘Sign In’)

find_element_by_name(name)

Finds an element by name.

Args:
  • name: The name of the element to find.
Usage:

driver.find_element_by_name(‘foo’)

find_element_by_partial_link_text(link_text)

Finds an element by a partial match of its link text.

Args:
  • link_text: The text of the element to partially match on.
Usage:

driver.find_element_by_partial_link_text(‘Sign’)

find_element_by_tag_name(name)

Finds an element by tag name.

Args:
  • name: The tag name of the element to find.
Usage:

driver.find_element_by_tag_name(‘foo’)

find_element_by_xpath(xpath)

Finds an element by xpath.

Args:
  • xpath - The xpath locator of the element to find.
Usage:

driver.find_element_by_xpath(‘//div/td[1]’)

find_elements(by='id'value=None)

‘Private’ method used by the find_elements_by_* methods.

Usage: Use the corresponding find_elements_by_* instead of this.
Return type: list of WebElement
find_elements_by_class_name(name)

Finds elements by class name.

Args:
  • name: The class name of the elements to find.
Usage:

driver.find_elements_by_class_name(‘foo’)

find_elements_by_css_selector(css_selector)

Finds elements by css selector.

Args:
  • css_selector: The css selector to use when finding elements.
Usage:

driver.find_elements_by_css_selector(‘.foo’)

find_elements_by_id(id_)

Finds multiple elements by id.

Args:
  • id_ - The id of the elements to be found.
Usage:

driver.find_element_by_id(‘foo’)

find_elements_by_link_text(text)

Finds elements by link text.

Args:
  • link_text: The text of the elements to be found.
Usage:

driver.find_elements_by_link_text(‘Sign In’)

find_elements_by_name(name)

Finds elements by name.

Args:
  • name: The name of the elements to find.
Usage:

driver.find_elements_by_name(‘foo’)

find_elements_by_partial_link_text(link_text)

Finds elements by a partial match of their link text.

Args:
  • link_text: The text of the element to partial match on.
Usage:

driver.find_element_by_partial_link_text(‘Sign’)

find_elements_by_tag_name(name)

Finds elements by tag name.

Args:
  • name: The tag name the use when finding elements.
Usage:

driver.find_elements_by_tag_name(‘foo’)

find_elements_by_xpath(xpath)

Finds multiple elements by xpath.

Args:
  • xpath - The xpath locator of the elements to be found.
Usage:

driver.find_elements_by_xpath(“//div[contains(@class, ‘foo’)]”)

forward()

Goes one step forward in the browser history.

Usage: driver.forward()
get(url)

Loads a web page in the current browser session.

get_cookie(name)

Get a single cookie by name. Returns the cookie if found, None if not.

Usage: driver.get_cookie(‘my_cookie’)
get_cookies()

Returns a set of dictionaries, corresponding to cookies visible in the current session.

Usage: driver.get_cookies()
get_log(log_type)

Gets the log for a given log type

Args:
  • log_type: type of log that which will be returned
Usage:

driver.get_log(‘browser’) driver.get_log(‘driver’) driver.get_log(‘client’) driver.get_log(‘server’)

get_screenshot_as_base64()
Gets the screenshot of the current window as a base64 encoded string
which is useful in embedded images in HTML.
Usage: driver.get_screenshot_as_base64()
get_screenshot_as_file(filename)
Gets the screenshot of the current window. Returns False if there is
any IOError, else returns True. Use full paths in your filename.
Args:
  • filename: The full path you wish to save your screenshot to.
Usage:

driver.get_screenshot_as_file(‘/Screenshots/foo.png’)

get_screenshot_as_png()

Gets the screenshot of the current window as a binary data.

Usage: driver.get_screenshot_as_png()
get_window_position(windowHandle='current')

Gets the x,y position of the current window.

Usage: driver.get_window_position()
get_window_size(windowHandle='current')

Gets the width and height of the current window.

Usage: driver.get_window_size()
implicitly_wait(time_to_wait)
Sets a sticky timeout to implicitly wait for an element to be found,
or a command to complete. This method only needs to be called one time per session. To set the timeout for calls to execute_async_script, see set_script_timeout.
Args:
  • time_to_wait: Amount of time to wait (in seconds)
Usage:

driver.implicitly_wait(30)

maximize_window()

Maximizes the current window that webdriver is using

quit()

Quits the driver and closes every associated window.

Usage: driver.quit()
refresh()

Refreshes the current page.

Usage: driver.refresh()
save_screenshot(filename)
Gets the screenshot of the current window. Returns False if there is
any IOError, else returns True. Use full paths in your filename.
Args:
  • filename: The full path you wish to save your screenshot to.
Usage:

driver.get_screenshot_as_file(‘/Screenshots/foo.png’)

set_page_load_timeout(time_to_wait)
Set the amount of time to wait for a page load to complete
before throwing an error.
Args:
  • time_to_wait: The amount of time to wait
Usage:

driver.set_page_load_timeout(30)

set_script_timeout(time_to_wait)
Set the amount of time that the script should wait during an
execute_async_script call before throwing an error.
Args:
  • time_to_wait: The amount of time to wait (in seconds)
Usage:

driver.set_script_timeout(30)

set_window_position(xywindowHandle='current')

Sets the x,y position of the current window. (window.moveTo)

Args:
  • x: the x-coordinate in pixels to set the window position
  • y: the y-coordinate in pixels to set the window position
Usage:

driver.set_window_position(0,0)

set_window_size(widthheightwindowHandle='current')

Sets the width and height of the current window. (window.resizeTo)

Args:
  • width: the width in pixels to set the window to
  • height: the height in pixels to set the window to
Usage:

driver.set_window_size(800,600)

start_client()

Called before starting a new session. This method may be overridden to define custom startup behavior.

start_session(desired_capabilitiesbrowser_profile=None)

Creates a new session with the desired capabilities.

Args:
  • browser_name - The name of the browser to request.
  • version - Which browser version to request.
  • platform - Which platform to request the browser on.
  • javascript_enabled - Whether the new session should support JavaScript.
  • browser_profile - A selenium.webdriver.firefox.firefox_profile.FirefoxProfile object. Only used if Firefox is requested.
stop_client()

Called after executing a quit command. This method may be overridden to define custom shutdown behavior.

switch_to_active_element()

Deprecated use driver.switch_to.active_element

switch_to_alert()

Deprecated use driver.switch_to.alert

switch_to_default_content()

Deprecated use driver.switch_to.default_content

switch_to_frame(frame_reference)

Deprecated use driver.switch_to.frame

switch_to_window(window_name)

Deprecated use driver.switch_to.window

application_cache

Returns a ApplicationCache Object to interact with the browser app cache

current_url

Gets the URL of the current page.

Usage: driver.current_url
current_window_handle

Returns the handle of the current window.

Usage: driver.current_window_handle
desired_capabilities

returns the drivers current desired capabilities being used

file_detector
log_types

Gets a list of the available log types

Usage: driver.log_types
mobile
name

Returns the name of the underlying browser for this instance.

Usage:
  • driver.name
orientation

Gets the current orientation of the device

Usage: orientation = driver.orientation
page_source

Gets the source of the current page.

Usage: driver.page_source
switch_to
title

Returns the title of the current page.

Usage: driver.title
window_handles

Returns the handles of all windows within the current session.

Usage: driver.window_handles
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