selenium.common.exceptions.SessionNotCreatedException:消息:找不到匹配的功能集

时间:2019-04-06 16:40:42

标签: python-3.x selenium selenium-webdriver

Python 3.7
Kali Linux 2019.1
Firefox version 52.9

webdriver.py的位置:-/usr/local/lib/python3.7/dist-packages/selenium/webdriver/firefox。我们如何着手为不同版本的Firefox和Selenium设置功能?我看到了这个问题的另一个答案,但是,Firefox和Selenium的版本是不同的。所以我想这是需要特定版本的解决方案。

 import warnings

    try:
        basestring
    except NameError:  # Python 3.x
        basestring = str

    import shutil
    import sys
    from contextlib import contextmanager

    from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
    from selenium.webdriver.remote.webdriver import WebDriver as RemoteWebDriver

    from .extension_connection import ExtensionConnection
    from .firefox_binary import FirefoxBinary
    from .firefox_profile import FirefoxProfile
    from .options import Options
    from .remote_connection import FirefoxRemoteConnection
    from .service import Service
    from .webelement import FirefoxWebElement


    class WebDriver(RemoteWebDriver):

        # There is no native event support on Mac
        NATIVE_EVENTS_ALLOWED = sys.platform != "darwin"

        CONTEXT_CHROME = "chrome"
        CONTEXT_CONTENT = "content"

        _web_element_cls = FirefoxWebElement

        def __init__(self, firefox_profile=None, firefox_binary=None,
                     timeout=30, capabilities=None, proxy=None,
                     executable_path="geckodriver", options=None,
                     service_log_path="geckodriver.log", firefox_options=None,
                     service_args=None, desired_capabilities=None, log_path=None,
                     keep_alive=True):
            """Starts a new local session of Firefox.

            Based on the combination and specificity of the various keyword
            arguments, a capabilities dictionary will be constructed that
            is passed to the remote end.

            The keyword arguments given to this constructor are helpers to
            more easily allow Firefox WebDriver sessions to be customised
            with different options.  They are mapped on to a capabilities
            dictionary that is passed on to the remote end.

            As some of the options, such as `firefox_profile` and
            `options.profile` are mutually exclusive, precedence is
            given from how specific the setting is.  `capabilities` is the
            least specific keyword argument, followed by `options`,
            followed by `firefox_binary` and `firefox_profile`.

            In practice this means that if `firefox_profile` and
            `options.profile` are both set, the selected profile
            instance will always come from the most specific variable.
            In this case that would be `firefox_profile`.  This will result in
            `options.profile` to be ignored because it is considered
            a less specific setting than the top-level `firefox_profile`
            keyword argument.  Similarily, if you had specified a
            `capabilities["moz:firefoxOptions"]["profile"]` Base64 string,
            this would rank below `options.profile`.

            :param firefox_profile: Instance of ``FirefoxProfile`` object
                or a string.  If undefined, a fresh profile will be created
                in a temporary location on the system.
            :param firefox_binary: Instance of ``FirefoxBinary`` or full
                path to the Firefox binary.  If undefined, the system default
                Firefox installation will  be used.
            :param timeout: Time to wait for Firefox to launch when using
                the extension connection.
            :param capabilities: Dictionary of desired capabilities.
            :param proxy: The proxy settings to us when communicating with
                Firefox via the extension connection.
            :param executable_path: Full path to override which geckodriver
                binary to use for Firefox 47.0.1 and greater, which
                defaults to picking up the binary from the system path.
            :param options: Instance of ``options.Options``.
            :param service_log_path: Where to log information from the driver.
            :param firefox_options: Deprecated argument for options
            :param service_args: List of args to pass to the driver service
            :param desired_capabilities: alias of capabilities. In future
                versions of this library, this will replace 'capabilities'.
                This will make the signature consistent with RemoteWebDriver.
            :param log_path: Deprecated argument for service_log_path
            :param keep_alive: Whether to configure remote_connection.RemoteConnection to use
                 HTTP keep-alive.
            """
            if log_path:
                warnings.warn('use service_log_path instead of log_path',
                              DeprecationWarning, stacklevel=2)
                service_log_path = log_path
            if firefox_options:
                warnings.warn('use options instead of firefox_options',
                              DeprecationWarning, stacklevel=2)
                options = firefox_options
            self.binary = None
            self.profile = None
            self.service = None

            # If desired capabilities is set, alias it to capabilities.
            # If both are set ignore desired capabilities.
            if capabilities is None and desired_capabilities:
                capabilities = desired_capabilities

            if capabilities is None:
                capabilities = DesiredCapabilities.FIREFOX.copy()
            if options is None:
                options = Options()

            capabilities = dict(capabilities)

            if capabilities.get("binary"):
                self.binary = capabilities["binary"]

            # options overrides capabilities
            if options is not None:
                if options.binary is not None:
                    self.binary = options.binary
                if options.profile is not None:
                    self.profile = options.profile

            # firefox_binary and firefox_profile
            # override options
            if firefox_binary is not None:
                if isinstance(firefox_binary, basestring):
                    firefox_binary = FirefoxBinary(firefox_binary)
                self.binary = firefox_binary
                options.binary = firefox_binary
            if firefox_profile is not None:
                if isinstance(firefox_profile, basestring):
                    firefox_profile = FirefoxProfile(firefox_profile)
                self.profile = firefox_profile
                options.profile = firefox_profile

            # W3C remote
            # TODO(ato): Perform conformance negotiation

            if capabilities.get("marionette"):
                capabilities.pop("marionette")
                self.service = Service(
                    executable_path,
                    service_args=service_args,
                    log_path=service_log_path)
                self.service.start()

                capabilities.update(options.to_capabilities())

                executor = FirefoxRemoteConnection(
                    remote_server_addr=self.service.service_url)
                RemoteWebDriver.__init__(
                    self,
                    command_executor=executor,
                    desired_capabilities=capabilities,
                    keep_alive=True)

            # Selenium remote
            else:
                if self.binary is None:
                    self.binary = FirefoxBinary()
                if self.profile is None:
                    self.profile = FirefoxProfile()

                # disable native events if globally disabled
                self.profile.native_events_enabled = (
                    self.NATIVE_EVENTS_ALLOWED and self.profile.native_events_enabled)

                if proxy is not None:
                    proxy.add_to_capabilities(capabilities)

                executor = ExtensionConnection("127.0.0.1", self.profile,
                                               self.binary, timeout)
                RemoteWebDriver.__init__(
                    self,
                    command_executor=executor,
                    desired_capabilities=capabilities,
                    keep_alive=keep_alive)

            self._is_remote = False

        def quit(self):
            """Quits the driver and close every associated window."""
            try:
                RemoteWebDriver.quit(self)
            except Exception:
                # We don't care about the message because something probably has gone wrong
                pass

            if self.w3c:
                self.service.stop()
            else:
                self.binary.kill()

            if self.profile is not None:
                try:
                    shutil.rmtree(self.profile.path)
                    if self.profile.tempfolder is not None:
                        shutil.rmtree(self.profile.tempfolder)
                except Exception as e:
                    print(str(e))

        @property
        def firefox_profile(self):
            return self.profile

        # Extension commands:

        def set_context(self, context):
            self.execute("SET_CONTEXT", {"context": context})

        @contextmanager
        def context(self, context):
            """Sets the context that Selenium commands are running in using
            a `with` statement. The state of the context on the server is
            saved before entering the block, and restored upon exiting it.

            :param context: Context, may be one of the class properties
                `CONTEXT_CHROME` or `CONTEXT_CONTENT`.

            Usage example::

                with selenium.context(selenium.CONTEXT_CHROME):
                    # chrome scope
                    ... do stuff ...
            """
            initial_context = self.execute('GET_CONTEXT').pop('value')
            self.set_context(context)
            try:
                yield
            finally:
                self.set_context(initial_context)

        def install_addon(self, path, temporary=None):
            """
            Installs Firefox addon.

            Returns identifier of installed addon. This identifier can later
            be used to uninstall addon.

            :param path: Absolute path to the addon that will be installed.

            :Usage:
                driver.install_addon('/path/to/firebug.xpi')
            """
            payload = {"path": path}
            if temporary is not None:
                payload["temporary"] = temporary
            return self.execute("INSTALL_ADDON", payload)["value"]

        def uninstall_addon(self, identifier):
            """
            Uninstalls Firefox addon using its identifier.

            :Usage:
                driver.uninstall_addon('addon@foo.com')
            """
            self.execute("UNINSTALL_ADDON", {"id": identifier})

0 个答案:

没有答案