Beispiel #1
0
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setup_ui()
        self.setAttribute(Qt.WA_DeleteOnClose)

        # create install process
        self.process = QProcess(self)
        self.process.setProgram(sys.executable)
        self.process.setProcessChannelMode(QProcess.MergedChannels)
        # setup process path
        env = QProcessEnvironment()
        combined_paths = os.pathsep.join(
            [user_site_packages(), env.systemEnvironment().value("PYTHONPATH")]
        )
        env.insert("PYTHONPATH", combined_paths)
        self.process.setProcessEnvironment(env)

        # connections
        self.install_button.clicked.connect(self._install)
        self.uninstall_button.clicked.connect(self._uninstall)
        self.process.readyReadStandardOutput.connect(self._on_stdout_ready)

        from ..plugins import plugin_manager

        self.process.finished.connect(plugin_manager.discover)
        self.process.finished.connect(plugin_manager.prune)
Beispiel #2
0
    def create_process(self):
        self.shell.clear()

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.MergedChannels)

        # PYTHONPATH (in case we use Python in this terminal, e.g. py2exe)
        env = [
            to_text_string(_path)
            for _path in self.process.systemEnvironment()
        ]

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)

        add_pathlist_to_PYTHONPATH(env, self.path)
        self.process.setProcessEnvironment(processEnvironment)

        # Working directory
        if self.wdir is not None:
            self.process.setWorkingDirectory(self.wdir)

        # Shell arguments
        if os.name == 'nt':
            p_args = ['/Q']
        else:
            p_args = ['-i']

        if self.arguments:
            p_args.extend(shell_split(self.arguments))

        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.finished.connect(self.finished)
        self.kill_button.clicked.connect(self.process.kill)

        if os.name == 'nt':
            self.process.start('cmd.exe', p_args)
        else:
            # Using bash:
            self.process.start('bash', p_args)
            self.send_to_process('PS1="\\u@\\h:\\w> "\n')

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
        else:
            self.shell.setFocus()
            self.started.emit()

        return self.process
Beispiel #3
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    def start(self, config, pythonpath):
        """
        Start process which will run the unit test suite.

        The process is run in the working directory specified in 'config',
        with the directories in `pythonpath` added to the Python path for the
        test process. The test results are written to the file
        `self.resultfilename`. The standard output and error are also recorded.
        Once the process is finished, `self.finished()` will be called.

        Parameters
        ----------
        config : TestConfig
            Unit test configuration.
        pythonpath : list of str
            List of directories to be added to the Python path

        Raises
        ------
        RuntimeError
            If process failed to start.
        """
        wdir = config.wdir

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.MergedChannels)
        self.process.setWorkingDirectory(wdir)
        self.process.finished.connect(self.finished)

        if pythonpath is not None:
            env = [
                to_text_string(_pth)
                for _pth in self.process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            self.process.setProcessEnvironment(processEnvironment)

        executable = get_python_executable()
        p_args = ['-m', self.module] + self.create_argument_list()

        try:
            os.remove(self.resultfilename)
        except OSError:
            pass

        self.process.start(executable, p_args)
        running = self.process.waitForStarted()
        if not running:
            raise RuntimeError
Beispiel #4
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    def run(self):
        """Handle the connection with the server.
        """
        # Set up the zmq port.
        self.socket = self.context.socket(zmq.PAIR)
        self.port = self.socket.bind_to_random_port('tcp://*')

        # Set up the process.
        self.process = QProcess(self)
        if self.cwd:
            self.process.setWorkingDirectory(self.cwd)
        p_args = ['-u', self.target, str(self.port)]
        if self.extra_args is not None:
            p_args += self.extra_args

        # Set up environment variables.
        processEnvironment = QProcessEnvironment()
        env = self.process.systemEnvironment()
        if (self.env and 'PYTHONPATH' not in self.env) or self.env is None:
            python_path = osp.dirname(get_module_path('spyder'))
            # Add the libs to the python path.
            for lib in self.libs:
                try:
                    path = osp.dirname(imp.find_module(lib)[1])
                    python_path = osp.pathsep.join([python_path, path])
                except ImportError:
                    pass
            if self.extra_path:
                try:
                    python_path = osp.pathsep.join([python_path] +
                                                   self.extra_path)
                except Exception as e:
                    debug_print("Error when adding extra_path to plugin env")
                    debug_print(e)
            env.append("PYTHONPATH=%s" % python_path)
        if self.env:
            env.update(self.env)
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)
        self.process.setProcessEnvironment(processEnvironment)

        # Start the process and wait for started.
        self.process.start(self.executable, p_args)
        self.process.finished.connect(self._on_finished)
        running = self.process.waitForStarted()
        if not running:
            raise IOError('Could not start %s' % self)

        # Set up the socket notifer.
        fid = self.socket.getsockopt(zmq.FD)
        self.notifier = QSocketNotifier(fid, QSocketNotifier.Read, self)
        self.notifier.activated.connect(self._on_msg_received)
Beispiel #5
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    def create_process(self):
        self.shell.clear()

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.MergedChannels)

        # PYTHONPATH (in case we use Python in this terminal, e.g. py2exe)
        env = [to_text_string(_path)
               for _path in self.process.systemEnvironment()]

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)

        add_pathlist_to_PYTHONPATH(env, self.path)
        self.process.setProcessEnvironment(processEnvironment)                   

        
        # Working directory
        if self.wdir is not None:
            self.process.setWorkingDirectory(self.wdir)
            
        # Shell arguments
        if os.name == 'nt':
            p_args = ['/Q']
        else:
            p_args = ['-i']
            
        if self.arguments:
            p_args.extend( shell_split(self.arguments) )
        
        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.finished.connect(self.finished)
        self.kill_button.clicked.connect(self.process.kill)
        
        if os.name == 'nt':
            self.process.start('cmd.exe', p_args)
        else:
            # Using bash:
            self.process.start('bash', p_args)
            self.send_to_process('PS1="\\u@\\h:\\w> "\n')
            
        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
        else:
            self.shell.setFocus()
            self.started.emit()
            
        return self.process
Beispiel #6
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    def _create_process(
        self,
        installer: InstallerTypes = "pip",
    ):
        process = QProcess()
        if installer != "pip":
            process.setProgram(installer)
        else:
            process.setProgram(self._sys_executable_or_bundled_python())

        process.setProcessChannelMode(QProcess.MergedChannels)
        process.readyReadStandardOutput.connect(
            lambda process=process: self._on_stdout_ready(process)
        )

        # setup process path
        env = QProcessEnvironment()
        combined_paths = os.pathsep.join(
            [user_site_packages(), env.systemEnvironment().value("PYTHONPATH")]
        )
        env.insert("PYTHONPATH", combined_paths)
        # use path of parent process
        env.insert(
            "PATH", QProcessEnvironment.systemEnvironment().value("PATH")
        )
        process.setProcessEnvironment(env)
        self.set_output_widget(self._output_widget)
        process.finished.connect(
            lambda ec, es: self._on_process_finished(process, ec, es)
        )  # FIXME connecting lambda to finished signal is bug creating and may end with segfault when garbage
        # collection will consume Installer object before process end.
        return process
Beispiel #7
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    def run(self):
        """Handle the connection with the server.
        """
        # Set up the zmq port.
        self.socket = self.context.socket(zmq.PAIR)
        self.port = self.socket.bind_to_random_port('tcp://*')

        # Set up the process.
        self.process = QProcess(self)
        if self.cwd:
            self.process.setWorkingDirectory(self.cwd)
        p_args = ['-u', self.target, str(self.port)]
        if self.extra_args is not None:
            p_args += self.extra_args

        # Set up environment variables.
        processEnvironment = QProcessEnvironment()
        env = self.process.systemEnvironment()
        if (self.env and 'PYTHONPATH' not in self.env) or DEV:
            python_path = osp.dirname(get_module_path('spyderlib'))
            # Add the libs to the python path.
            for lib in self.libs:
                try:
                    path = osp.dirname(imp.find_module(lib)[1])
                    python_path = osp.pathsep.join([python_path, path])
                except ImportError:
                    pass
            env.append("PYTHONPATH=%s" % python_path)
        if self.env:
            env.update(self.env)
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)
        self.process.setProcessEnvironment(processEnvironment)

        # Start the process and wait for started.
        self.process.start(self.executable, p_args)
        self.process.finished.connect(self._on_finished)
        running = self.process.waitForStarted()
        if not running:
            raise IOError('Could not start %s' % self)

        # Set up the socket notifer.
        fid = self.socket.getsockopt(zmq.FD)
        self.notifier = QSocketNotifier(fid, QSocketNotifier.Read, self)
        self.notifier.activated.connect(self._on_msg_received)
Beispiel #8
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    def start(self):
        """Start the code analysis."""
        filename = str(self.filecombo.currentText())

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(getcwd_or_home())
        self.process.readyReadStandardOutput.connect(self.read_output)
        self.process.readyReadStandardError.connect(
            lambda: self.read_output(error=True))
        self.process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self.finished(ec, es))
        self.stop_button.clicked.connect(self.process.kill)

        self.output = ''
        self.error_output = ''

        plver = PYLINT_VER
        if plver is not None:
            p_args = ['-m', 'pylint', '--output-format=text']
            if plver.split('.')[0] == '0':
                p_args += ['-i', 'yes']
            else:
                # Option '-i' (alias for '--include-ids') was removed in pylint
                # 1.0
                p_args += [
                    "--msg-template='{msg_id}:{line:3d},"
                    "{column}: {obj}: {msg}"
                ]

        pylintrc_path = self.get_pylintrc_path(filename=filename)
        if pylintrc_path is not None:
            p_args += ['--rcfile={}'.format(pylintrc_path)]

        p_args += [filename]
        processEnvironment = QProcessEnvironment()
        processEnvironment.insert("PYTHONIOENCODING", "utf8")
        self.process.setProcessEnvironment(processEnvironment)

        self.process.start(sys.executable, p_args)

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
Beispiel #9
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    def _create_process(
        self,
        installer: InstallerTypes = "pip",
    ):
        process = QProcess()
        process.setProcessChannelMode(QProcess.MergedChannels)
        process.readyReadStandardOutput.connect(
            lambda process=process: self._on_stdout_ready(process))
        env = QProcessEnvironment.systemEnvironment()

        if installer == "pip":
            process.setProgram(self._sys_executable_or_bundled_python())
            # patch process path
            combined_paths = os.pathsep.join([
                user_site_packages(),
                env.systemEnvironment().value("PYTHONPATH"),
            ])
            env.insert("PYTHONPATH", combined_paths)
        else:
            process.setProgram(installer)

        if installer == "mamba":
            from ..._version import version_tuple

            # To avoid napari version changing when installing a plugin, we
            # add a pin to the current napari version, that way we can
            # restrict any changes to the actual napari application.
            # Conda/mamba also pin python by default, so we effectively
            # constrain python and napari versions from changing, when
            # installing plugins inside the constructor bundled application.
            # See: https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-pkgs.html#preventing-packages-from-updating-pinning
            napari_version = ".".join(str(v) for v in version_tuple[:3])
            if env.contains("CONDA_PINNED_PACKAGES"):
                # str delimiter is '&'
                system_pins = f"&{env.value('CONDA_PINNED_PACKAGES')}"
            else:
                system_pins = ""
            env.insert(
                "CONDA_PINNED_PACKAGES",
                f"napari={napari_version}{system_pins}",
            )
            if os.name == "nt":
                # workaround https://github.com/napari/napari/issues/4247, 4484
                if not env.contains("TEMP"):
                    temp = gettempdir()
                    env.insert("TMP", temp)
                    env.insert("TEMP", temp)
                if not env.contains("USERPROFILE"):
                    env.insert("HOME", os.path.expanduser("~"))
                    env.insert("USERPROFILE", os.path.expanduser("~"))

        process.setProcessEnvironment(env)
        self.set_output_widget(self._output_widget)
        process.finished.connect(
            lambda ec, es: self._on_process_finished(process, ec, es)
        )  # FIXME connecting lambda to finished signal is bug creating and may end with segfault when garbage
        # collection will consume Installer object before process end.
        return process
Beispiel #10
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    def start_server(self, filename, interpreter):
        """
        Start a notebook server asynchronously.

        Start a server which can render the given notebook and return
        immediately. Assume the server uses the given interpreter. The manager
        will check periodically whether the server is accepting requests and
        emit `sig_server_started` or `sig_server_timed_out` when appropriate.

        Parameters
        ----------
        filename : str
            File name of notebook to be rendered by the server.
        interpreter : str
            File name of Python interpreter to be used.
        """
        home_dir = get_home_dir()
        if filename.startswith(home_dir):
            nbdir = home_dir
        else:
            nbdir = osp.dirname(filename)

        logger.debug('Starting new notebook server for %s', nbdir)
        process = QProcess(None)
        serverscript = osp.join(osp.dirname(__file__), '../server/main.py')
        serverscript = osp.normpath(serverscript)
        arguments = [
            serverscript, '--no-browser', '--notebook-dir={}'.format(nbdir),
            '--NotebookApp.password='******'--KernelSpecManager.kernel_spec_class={}'.format(KERNELSPEC)
        ]
        if self.dark_theme:
            arguments.append('--dark')
        logger.debug('Arguments: %s', repr(arguments))

        if DEV:
            env = QProcessEnvironment.systemEnvironment()
            env.insert('PYTHONPATH', osp.dirname(get_module_path('spyder')))
            process.setProcessEnvironment(env)

        server_process = ServerProcess(process,
                                       notebook_dir=nbdir,
                                       interpreter=interpreter)
        process.setProcessChannelMode(QProcess.MergedChannels)
        process.readyReadStandardOutput.connect(
            lambda: self.read_server_output(server_process))
        process.errorOccurred.connect(
            lambda error: self.handle_error(server_process, error))
        process.finished.connect(lambda code, status: self.handle_finished(
            server_process, code, status))

        process.start(sys.executable, arguments)
        self.servers.append(server_process)

        self._check_server_started(server_process)
Beispiel #11
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    def __init__(self, output_widget: QTextEdit = None):
        from ...plugins import plugin_manager

        # create install process
        self._output_widget = None
        self.process = QProcess()
        self.process.setProgram(sys.executable)
        self.process.setProcessChannelMode(QProcess.MergedChannels)
        self.process.readyReadStandardOutput.connect(self._on_stdout_ready)
        # setup process path
        env = QProcessEnvironment()
        combined_paths = os.pathsep.join([
            user_site_packages(),
            env.systemEnvironment().value("PYTHONPATH")
        ])
        env.insert("PYTHONPATH", combined_paths)
        self.process.setProcessEnvironment(env)
        self.process.finished.connect(lambda: plugin_manager.discover())
        self.process.finished.connect(lambda: plugin_manager.prune())
        self.set_output_widget(output_widget)
Beispiel #12
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    def _prepare_process(self, config, pythonpath):
        """
        Prepare and return process for running the unit test suite.

        This sets the working directory and environment.
        """
        process = QProcess(self)
        process.setProcessChannelMode(QProcess.MergedChannels)
        process.setWorkingDirectory(config.wdir)
        process.finished.connect(self.finished)
        if pythonpath is not None:
            env = [
                to_text_string(_pth) for _pth in process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            process.setProcessEnvironment(processEnvironment)
        return process
Beispiel #13
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    def _start(self):
        """Start the code analysis."""
        self.start_spinner()
        self.output = ""
        self.error_output = ""
        self._process = process = QProcess(self)

        process.setProcessChannelMode(QProcess.SeparateChannels)
        process.setWorkingDirectory(getcwd_or_home())
        process.readyReadStandardOutput.connect(self._read_output)
        process.readyReadStandardError.connect(
            lambda: self._read_output(error=True))
        process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self._finished(ec, es))

        command_args = self.get_command(self.get_filename())
        processEnvironment = QProcessEnvironment()
        processEnvironment.insert("PYTHONIOENCODING", "utf8")

        # resolve spyder-ide/spyder#14262
        if running_in_mac_app():
            pyhome = os.environ.get("PYTHONHOME")
            processEnvironment.insert("PYTHONHOME", pyhome)

        process.setProcessEnvironment(processEnvironment)
        process.start(sys.executable, command_args)
        running = process.waitForStarted()
        if not running:
            self.stop_spinner()
            QMessageBox.critical(
                self,
                _("Error"),
                _("Process failed to start"),
            )
Beispiel #14
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def _get_environment():
    env = QProcessEnvironment.systemEnvironment()
    env.insert("PYTHONUNBUFFERED", "y")
    env.insert("PYTHONPATH", dirname(SCRIPT_DIRECTORY))
    if os.name == 'nt':
        anaconda_home = conda_prefix()
        path = env.value('PATH')
        new_path = os.pathsep.join([
            join(anaconda_home, 'Library', 'mingw-w64', 'bin'),
            join(anaconda_home, 'Library', 'usr', 'bin'), path
        ])
        env.insert("PATH", new_path)
    return env
Beispiel #15
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    def start(self):
        """Start the code analysis."""
        filename = str(self.filecombo.currentText())

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(getcwd_or_home())
        self.process.readyReadStandardOutput.connect(self.read_output)
        self.process.readyReadStandardError.connect(
            lambda: self.read_output(error=True))
        self.process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self.finished(ec, es))
        self.stop_button.clicked.connect(self.process.kill)

        self.output = ''
        self.error_output = ''

        if PYLINT_VER is not None:
            pylint_args = [
                '-m', 'pylint', '--output-format=text', '--msg-template='
                "'{msg_id}:{symbol}:{line:3d},{column}: {msg}'"
            ]

        pylintrc_path = self.get_pylintrc_path(filename=filename)
        if pylintrc_path is not None:
            pylint_args += ['--rcfile={}'.format(pylintrc_path)]

        pylint_args.append(filename)
        processEnvironment = QProcessEnvironment()
        processEnvironment.insert("PYTHONIOENCODING", "utf8")
        self.process.setProcessEnvironment(processEnvironment)

        self.process.start(sys.executable, pylint_args)

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
    def _prepare_process(self, config, pythonpath):
        """
        Prepare and return process for running the unit test suite.

        This sets the working directory and environment.
        """
        process = QProcess(self)
        process.setProcessChannelMode(QProcess.MergedChannels)
        process.setWorkingDirectory(config.wdir)
        process.finished.connect(self.finished)
        if pythonpath is not None:
            env = [
                to_text_string(_pth)
                for _pth in process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            process.setProcessEnvironment(processEnvironment)
        return process
Beispiel #17
0
    def _install(
            self,
            pkg_list: Sequence[str],
            installer: Optional[InstallerTypes] = None,
            channels: Sequence[str] = ("conda-forge", ),
    ):
        installer = installer or self._installer_type
        process_environment = QProcessEnvironment.systemEnvironment()
        if installer != "pip":
            from ..._version import version_tuple

            # To avoid napari version changing when installing a plugin, we
            # add a pin to the current napari version, that way we can
            # restrict any changes to the actual napari application.
            # Conda/mamba also pin python by default, so we effectively
            # constrain python and napari versions from changing, when
            # installing plugins inside the constructor bundled application.
            # See: https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-pkgs.html#preventing-packages-from-updating-pinning
            napari_version = ".".join(str(v) for v in version_tuple[:3])
            process_environment.insert("CONDA_PINNED_PACKAGES",
                                       f"napari={napari_version}")
            cmd = [
                'install',
                '-y',
                '--prefix',
                self._conda_env_path,
            ]
            for channel in channels:
                cmd.extend(["-c", channel])
        else:
            cmd = ['-m', 'pip', 'install', '--upgrade']

        if (running_as_bundled_app() and sys.platform.startswith('linux')
                and not self._conda_env_path):
            cmd += [
                '--no-warn-script-location',
                '--prefix',
                user_plugin_dir(),
            ]

        process = self._create_process(installer)
        process.setProcessEnvironment(process_environment)
        process.setArguments(cmd + list(pkg_list))
        if self._output_widget and self._queue:
            self._output_widget.clear()

        process.start()
        return process
Beispiel #18
0
    def _prepare_process(self, config, pythonpath):
        """
        Prepare and return process for running the unit test suite.

        This sets the working directory and environment.
        """
        process = QProcess(self)
        process.setProcessChannelMode(QProcess.MergedChannels)
        process.setWorkingDirectory(config.wdir)
        process.finished.connect(self.finished)
        if pythonpath:
            env = QProcessEnvironment.systemEnvironment()
            old_python_path = env.value('PYTHONPATH', None)
            python_path_str = os.pathsep.join(pythonpath)
            if old_python_path:
                python_path_str += os.pathsep + old_python_path
            env.insert('PYTHONPATH', python_path_str)
            process.setProcessEnvironment(env)
        return process
Beispiel #19
0
    def start_process(self, process, args=None, cwd=None, env=None):
        """
        Starts a process interactively.

        :param process: Process to run
        :type process: str

        :param args: List of arguments (list of str)
        :type args: list

        :param cwd: Working directory
        :type cwd: str

        :param env: environment variables (dict).
        """
        self.setReadOnly(False)
        if env is None:
            env = {}
        if args is None:
            args = []
        if not self._running:
            self.process = QProcess()
            self.process.finished.connect(self._on_process_finished)
            self.process.started.connect(self.process_started.emit)
            self.process.error.connect(self._write_error)
            self.process.readyReadStandardError.connect(self._on_stderr)
            self.process.readyReadStandardOutput.connect(self._on_stdout)
            if cwd:
                self.process.setWorkingDirectory(cwd)
            e = self.process.systemEnvironment()
            ev = QProcessEnvironment()
            for v in e:
                values = v.split('=')
                ev.insert(values[0], '='.join(values[1:]))
            for k, v in env.items():
                ev.insert(k, v)
            self.process.setProcessEnvironment(ev)
            self._running = True
            self._process_name = process
            self._args = args
            if self._clear_on_start:
                self.clear()
            self._user_stop = False
            self._write_started()
            self.process.start(process, args)
            self.process.waitForStarted()
        else:
            _logger().warning('a process is already running')
Beispiel #20
0
    def spawn_flag_process(self, stat, solver):

        log.debug('Feature testing MFiX %s', solver)
        key = (stat, solver)

        proc = self.flag_processes.get(key, None)
        if proc is not None:
            proc.kill()

        exe = self.solver_list.get(solver)
        exe_dir = os.path.dirname(exe)
        proc = self.flag_processes[key] = QProcess()
        proc.setProcessEnvironment(QProcessEnvironment.systemEnvironment())
        proc.readyReadStandardOutput.connect(
            lambda k=key: self.flag_process_out(k))
        proc.readyReadStandardError.connect(
            lambda k=key: self.flag_process_error(k))
        proc.finished.connect(lambda ecode, estat, k=key: self.
                              flag_process_finished(k, ecode, estat))
        proc.error.connect(lambda e, k=key: self.flag_process_error(k, e))
        proc.setWorkingDirectory(exe_dir)
        proc.start(exe, ["--print-flags"])
Beispiel #21
0
    def start_transport(self):
        """Start transport layer."""
        self.transport_args = list(map(str, self.transport_args))
        logger.info('Starting transport: {0}'.format(' '.join(
            self.transport_args)))

        self.transport = QProcess(self)
        self.transport.errorOccurred.connect(self.handle_process_errors)

        # Modifying PYTHONPATH to run transport in development mode or
        # tests
        if DEV or running_under_pytest():
            env = QProcessEnvironment()
            if running_under_pytest():
                env.insert('PYTHONPATH', os.pathsep.join(sys.path)[:])
            else:
                env.insert('PYTHONPATH', os.pathsep.join(sys.path)[1:])
            self.transport.setProcessEnvironment(env)

        # Set transport log file
        transport_log_file = None
        if get_debug_level() > 0:
            transport_log_fname = 'transport_{0}_{1}.log'.format(
                self.language, os.getpid())
            transport_log_file = get_conf_path(
                osp.join('lsp_logs', transport_log_fname))
            if not osp.exists(osp.dirname(transport_log_file)):
                os.makedirs(osp.dirname(transport_log_file))

        # Set channel properties
        if self.stdio:
            self.transport_args += self.server_args
            self.transport.setProcessChannelMode(QProcess.SeparateChannels)
            if transport_log_file is not None:
                self.transport.setStandardErrorFile(transport_log_file)
        else:
            self.transport.setProcessChannelMode(QProcess.MergedChannels)
            if transport_log_file is not None:
                self.transport.setStandardOutputFile(transport_log_file)

        # Start transport
        self.transport.start(self.transport_args[0], self.transport_args[1:])
Beispiel #22
0
    def start(self, wdir=None, args=None, pythonpath=None):
        """
        Start the profiling process.

        Parameters
        ----------
        wdir: str
            Working directory path string. Default is None.
        args: list
            Arguments to pass to the profiling process. Default is None.
        pythonpath: str
            Python path string. Default is None.
        """
        filename = to_text_string(self.filecombo.currentText())
        if wdir is None:
            wdir = self._last_wdir
            if wdir is None:
                wdir = osp.basename(filename)

        if args is None:
            args = self._last_args
            if args is None:
                args = []

        if pythonpath is None:
            pythonpath = self._last_pythonpath

        self._last_wdir = wdir
        self._last_args = args
        self._last_pythonpath = pythonpath

        self.datelabel.setText(_('Profiling, please wait...'))

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(wdir)
        self.process.readyReadStandardOutput.connect(self._read_output)
        self.process.readyReadStandardError.connect(
            lambda: self._read_output(error=True))
        self.process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self._finished(ec, es))
        self.process.finished.connect(self.stop_spinner)

        if pythonpath is not None:
            env = [
                to_text_string(_pth)
                for _pth in self.process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, __, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)

            processEnvironment.insert("PYTHONIOENCODING", "utf8")
            self.process.setProcessEnvironment(processEnvironment)

        self.output = ''
        self.error_output = ''
        self.running = True
        self.start_spinner()

        p_args = ['-m', 'cProfile', '-o', self.DATAPATH]
        if os.name == 'nt':
            # On Windows, one has to replace backslashes by slashes to avoid
            # confusion with escape characters (otherwise, for example, '\t'
            # will be interpreted as a tabulation):
            p_args.append(osp.normpath(filename).replace(os.sep, '/'))
        else:
            p_args.append(filename)

        if args:
            p_args.extend(shell_split(args))

        executable = self.get_conf('executable', section='main_interpreter')

        self.process.start(executable, p_args)
        running = self.process.waitForStarted()
        if not running:
            QMessageBox.critical(
                self,
                _("Error"),
                _("Process failed to start"),
            )
        self.update_actions()
Beispiel #23
0
    def start(self, wdir=None, args=None, pythonpath=None):
        filename = to_text_string(self.filecombo.currentText())
        if wdir is None:
            wdir = self._last_wdir
            if wdir is None:
                wdir = osp.basename(filename)
        if args is None:
            args = self._last_args
            if args is None:
                args = []
        if pythonpath is None:
            pythonpath = self._last_pythonpath
        self._last_wdir = wdir
        self._last_args = args
        self._last_pythonpath = pythonpath

        self.datelabel.setText(_('Profiling, please wait...'))

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(wdir)
        self.process.readyReadStandardOutput.connect(self.read_output)
        self.process.readyReadStandardError.connect(
            lambda: self.read_output(error=True))
        self.process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self.finished(ec, es))
        self.stop_button.clicked.connect(self.process.kill)

        if pythonpath is not None:
            env = [
                to_text_string(_pth)
                for _pth in self.process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            self.process.setProcessEnvironment(processEnvironment)

        self.output = ''
        self.error_output = ''

        p_args = ['-m', 'cProfile', '-o', self.DATAPATH]
        if os.name == 'nt':
            # On Windows, one has to replace backslashes by slashes to avoid
            # confusion with escape characters (otherwise, for example, '\t'
            # will be interpreted as a tabulation):
            p_args.append(osp.normpath(filename).replace(os.sep, '/'))
        else:
            p_args.append(filename)
        if args:
            p_args.extend(shell_split(args))
        executable = sys.executable
        if executable.endswith("spyder.exe"):
            # py2exe distribution
            executable = "python.exe"
        self.process.start(executable, p_args)

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
    def start(self, wdir=None, args=None, pythonpath=None):
        filename = to_text_string(self.filecombo.currentText())
        if wdir is None:
            wdir = self._last_wdir
            if wdir is None:
                wdir = osp.basename(filename)
        if args is None:
            args = self._last_args
            if args is None:
                args = []
        if pythonpath is None:
            pythonpath = self._last_pythonpath
        self._last_wdir = wdir
        self._last_args = args
        self._last_pythonpath = pythonpath

        self.datelabel.setText(_('Profiling, please wait...'))

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(wdir)
        self.process.readyReadStandardOutput.connect(self.read_output)
        self.process.readyReadStandardError.connect(
            lambda: self.read_output(error=True))
        self.process.finished.connect(self.finished)
        self.stop_button.clicked.connect(self.process.kill)

        if pythonpath is not None:
            env = [
                to_text_string(_pth)
                for _pth in self.process.systemEnvironment()
            ]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            self.process.setProcessEnvironment(processEnvironment)

        self.output = ''
        self.error_output = ''

        # remove previous results, since memory_profiler appends to output file
        # instead of replacing
        if osp.isfile(self.DATAPATH):
            os.remove(self.DATAPATH)

        if os.name == 'nt':
            # On Windows, one has to replace backslashes by slashes to avoid
            # confusion with escape characters (otherwise, for example, '\t'
            # will be interpreted as a tabulation):
            filename = osp.normpath(filename).replace(os.sep, '/')
            p_args = [
                '-m', 'memory_profiler', '-o', '"' + self.DATAPATH + '"',
                '"' + filename + '"'
            ]
            if args:
                p_args.extend(programs.shell_split(args))
            executable = get_python_executable()
            executable += ' ' + ' '.join(p_args)
            executable = executable.replace(os.sep, '/')
            self.process.start(executable)
        else:
            p_args = ['-m', 'memory_profiler', '-o', self.DATAPATH, filename]
            if args:
                p_args.extend(programs.shell_split(args))
            executable = get_python_executable()
            self.process.start(executable, p_args)

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
Beispiel #25
0
    def create_process(self):
        self.shell.clear()

        self.process = QProcess(self)
        if self.merge_output_channels:
            self.process.setProcessChannelMode(QProcess.MergedChannels)
        else:
            self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.shell.wait_for_ready_read.connect(
            lambda: self.process.waitForReadyRead(250))

        # Working directory
        if self.wdir is not None:
            self.process.setWorkingDirectory(self.wdir)

        #-------------------------Python specific------------------------------
        # Python arguments
        p_args = ['-u']
        if DEBUG >= 3:
            p_args += ['-v']
        p_args += get_python_args(self.fname, self.python_args,
                                  self.interact_action.isChecked(),
                                  self.debug_action.isChecked(),
                                  self.arguments)

        env = [
            to_text_string(_path)
            for _path in self.process.systemEnvironment()
        ]
        if self.pythonstartup:
            env.append('PYTHONSTARTUP=%s' % self.pythonstartup)

        #-------------------------Python specific-------------------------------
        # Post mortem debugging
        if self.post_mortem_action.isChecked():
            env.append('SPYDER_EXCEPTHOOK=True')

        # Set standard input/output encoding for Python consoles
        # See http://stackoverflow.com/q/26312400/438386, specifically
        # the comments of Martijn Pieters
        env.append('PYTHONIOENCODING=UTF-8')

        # Monitor
        if self.monitor_enabled:
            env.append('SPYDER_SHELL_ID=%s' % id(self))
            env.append('SPYDER_AR_TIMEOUT=%d' % self.autorefresh_timeout)
            env.append('SPYDER_AR_STATE=%r' % self.autorefresh_state)
            from spyder.widgets.externalshell import introspection
            introspection_server = introspection.start_introspection_server()
            introspection_server.register(self)
            notification_server = introspection.start_notification_server()
            self.notification_thread = notification_server.register(self)
            self.notification_thread.sig_pdb.connect(
                lambda fname, lineno: self.sig_pdb.emit(fname, lineno))
            self.notification_thread.open_file.connect(
                lambda fname, lineno: self.open_file.emit(fname, lineno))
            if self.namespacebrowser is not None:
                self.configure_namespacebrowser()
            env.append('SPYDER_I_PORT=%d' % introspection_server.port)
            env.append('SPYDER_N_PORT=%d' % notification_server.port)

        # External modules options
        env.append('ETS_TOOLKIT=%s' % self.ets_backend)
        if self.mpl_backend is not None:
            backends = {0: 'Automatic', 1: 'None', 2: 'TkAgg'}
            env.append('SPY_MPL_BACKEND=%s' % backends[self.mpl_backend])
        if self.qt_api:
            env.append('QT_API=%s' % self.qt_api)
        env.append('COLORIZE_SYS_STDERR=%s' % self.colorize_sys_stderr)
        #        # Socket-based alternative (see input hook in sitecustomize.py):
        #        if self.install_qt_inputhook:
        #            from PyQt4.QtNetwork import QLocalServer
        #            self.local_server = QLocalServer()
        #            self.local_server.listen(str(id(self)))

        # User Module Deleter
        if self.is_interpreter:
            env.append('UMR_ENABLED=%r' % self.umr_enabled)
            env.append('UMR_NAMELIST=%s' % ','.join(self.umr_namelist))
            env.append('UMR_VERBOSE=%r' % self.umr_verbose)
            env.append('MATPLOTLIB_ION=True')
        else:
            if self.interact:
                env.append('MATPLOTLIB_ION=True')
            else:
                env.append('MATPLOTLIB_ION=False')

        # External interpreter
        env.append('EXTERNAL_INTERPRETER=%r' % self.external_interpreter)

        # Add sitecustomize path to path list
        pathlist = []
        spy_path = get_module_source_path('spyder')
        sc_path = osp.join(spy_path, 'utils', 'site')
        pathlist.append(sc_path)

        # Adding Spyder path
        pathlist += self.path

        # Adding path list to PYTHONPATH environment variable
        add_pathlist_to_PYTHONPATH(env, pathlist)

        #-------------------------Python specific------------------------------

        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.readyReadStandardError.connect(self.write_error)
        self.process.finished.connect(
            lambda ec, es=QProcess.ExitStatus: self.finished(ec, es))
        self.sig_finished.connect(self.dialog_manager.close_all)
        self.terminate_button.clicked.connect(self.process.terminate)
        self.kill_button.clicked.connect(self.process.kill)

        #-------------------------Python specific------------------------------
        # Fixes for our Mac app:
        # 1. PYTHONPATH and PYTHONHOME are set while bootstrapping the app,
        #    but their values are messing sys.path for external interpreters
        #    (e.g. EPD) so we need to remove them from the environment.
        # 2. Set PYTHONPATH again but without grabbing entries defined in the
        #    environment (Fixes Issue 1321)
        # 3. Remove PYTHONOPTIMIZE from env so that we can have assert
        #    statements working with our interpreters (See Issue 1281)
        if running_in_mac_app():
            if MAC_APP_NAME not in self.pythonexecutable:
                env = [p for p in env if not (p.startswith('PYTHONPATH') or \
                                              p.startswith('PYTHONHOME'))] # 1.

                add_pathlist_to_PYTHONPATH(env, pathlist, drop_env=True)  # 2.
            env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')]  # 3.

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)
        self.process.setProcessEnvironment(processEnvironment)
        self.process.start(self.pythonexecutable, p_args)
        #-------------------------Python specific------------------------------

        running = self.process.waitForStarted(3000)
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("A Python console failed to start!"))
        else:
            self.shell.setFocus()
            self.started.emit()
        return self.process
Beispiel #26
0
    def start_command(self, cmd, cwd, env):
        """Start MFIX in QProcess"""

        self.cmdline = cmd  # List of strings, same as psutil

        self.remove_mfix_stop()

        self.mfixproc = QProcess()
        if not self.mfixproc:
            log.warning("QProcess creation failed")
            return
        self.mfixproc.setWorkingDirectory(cwd)

        def slot_start():
            # processId was only added in qt 5.3
            if StrictVersion(QT_VERSION) > StrictVersion('5.3'):
                pid = self.mfixproc.processId()
            else:
                pid = self.mfixproc.pid()

            msg = "MFiX process %d is running" % pid
            self.parent.signal_update_runbuttons.emit(msg)

        def slot_read_out():
            # Why convert to bytes then decode?
            out_str = bytes(self.mfixproc.readAllStandardOutput()).decode(
                'utf-8', errors='ignore')
            self.parent.stdout_signal.emit(out_str)

        def slot_read_err():
            err_str = bytes(self.mfixproc.readAllStandardError()).decode(
                'utf-8', errors='ignore')
            self.parent.stderr_signal.emit(err_str)

        def slot_finish(status):
            # This should really be in the job manager
            if self.parent.job_manager.job:
                self.parent.job_manager.job.cleanup_and_exit()
                self.parent.job_manager.job = None
                msg = "MFiX process has stopped"
                self.parent.signal_update_runbuttons.emit(msg)

            if self.parent.job_manager.pidfile:
                try:
                    os.unlink(self.parent.job_manager.pidfile)
                    self.parent.job_manager.pidfile = None
                except OSError as e:
                    if e.errno != errno.ENOENT:
                        raise

        def slot_error(error):
            cmd_str = ' '.join(self.cmdline)
            if error == QProcess.FailedToStart:
                msg = "Process failed to start " + cmd_str
            elif error == QProcess.Crashed:
                msg = "Process exit " + cmd_str
            elif error == QProcess.Timedout:
                msg = "Process timeout " + cmd_str
            elif error in (QProcess.WriteError, QProcess.ReadError):
                msg = "Process communication error " + cmd_str
            else:
                msg = "Unknown error " + cmd_str

            log.warning(msg)
            # make the message print in red
            self.parent.stderr_signal.emit(msg)

        self.mfixproc.started.connect(slot_start)
        self.mfixproc.readyReadStandardOutput.connect(slot_read_out)
        self.mfixproc.readyReadStandardError.connect(slot_read_err)
        self.mfixproc.finished.connect(slot_finish)
        self.mfixproc.error.connect(slot_error)
        start_detached = True

        #if sys.platform.startswith('win') or 'mpirun' not in cmd:
        #    start_detached = False
        # On Windows, start_detached gives a DOS box
        # What was the issue with mpirun?
        start_detached = False

        # https://bugreports.qt.io/browse/QTBUG-2284
        # QProcessEnvironment does not work with startDetached,
        #   fixed in Qt5.10 which we aren't using yet
        saved_env = None
        if not start_detached:
            process_env = QProcessEnvironment()
            add_env = process_env.insert
        else:
            add_env = os.environ.__setitem__
            saved_env = os.environ.copy()

        for key, val in env.items():
            add_env(key, val)

        add_env('MFIX_RUN_CMD', ' '.join(cmd))

        if not start_detached:
            self.mfixproc.setProcessEnvironment(process_env)
            self.mfixproc.start(cmd[0], cmd[1:])
        else:
            self.mfixproc.startDetached(cmd[0], cmd[1:])

        # restore environment
        if saved_env:
            for (k, v) in list(os.environ.items()):
                if k not in saved_env:
                    del os.environ[k]
                elif v != saved_env[k]:
                    os.environ[k] = saved_env[k]

        # give gui a reference
        self.parent.mfix_process = self.mfixproc
        self.parent.slot_rundir_timer()
    def start(self, wdir=None, args=None, pythonpath=None):
        filename = to_text_string(self.filecombo.currentText())
        if wdir is None:
            wdir = self._last_wdir
            if wdir is None:
                wdir = osp.basename(filename)
        if args is None:
            args = self._last_args
            if args is None:
                args = []
        if pythonpath is None:
            pythonpath = self._last_pythonpath
        self._last_wdir = wdir
        self._last_args = args
        self._last_pythonpath = pythonpath

        self.datelabel.setText(_('Profiling, please wait...'))

        self.process = QProcess(self)
        self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.process.setWorkingDirectory(wdir)
        self.process.readyReadStandardOutput.connect(self.read_output)
        self.process.readyReadStandardError.connect(
            lambda: self.read_output(error=True))
        self.process.finished.connect(self.finished)
        self.stop_button.clicked.connect(self.process.kill)

        if pythonpath is not None:
            env = [to_text_string(_pth)
                   for _pth in self.process.systemEnvironment()]
            add_pathlist_to_PYTHONPATH(env, pythonpath)
            processEnvironment = QProcessEnvironment()
            for envItem in env:
                envName, separator, envValue = envItem.partition('=')
                processEnvironment.insert(envName, envValue)
            self.process.setProcessEnvironment(processEnvironment)

        self.output = ''
        self.error_output = ''

        if os.name == 'nt':
            # On Windows, one has to replace backslashes by slashes to avoid
            # confusion with escape characters (otherwise, for example, '\t'
            # will be interpreted as a tabulation):
            filename = osp.normpath(filename).replace(os.sep, '/')
            p_args = ['-lvb', '-o', '"' + self.DATAPATH + '"',
                      '"' + filename + '"']
            if args:
                p_args.extend(programs.shell_split(args))
            executable = '"' + programs.find_program('kernprof') + '"'
            executable += ' ' + ' '.join(p_args)
            executable = executable.replace(os.sep, '/')
            self.process.start(executable)
        else:
            p_args = ['-lvb', '-o', self.DATAPATH, filename]
            if args:
                p_args.extend(programs.shell_split(args))
            executable = 'kernprof'
            self.process.start(executable, p_args)

        running = self.process.waitForStarted()
        self.set_running_state(running)
        if not running:
            QMessageBox.critical(self, _("Error"),
                                 _("Process failed to start"))
Beispiel #28
0
    def create_process(self):
        self.shell.clear()
            
        self.process = QProcess(self)
        if self.merge_output_channels:
            self.process.setProcessChannelMode(QProcess.MergedChannels)
        else:
            self.process.setProcessChannelMode(QProcess.SeparateChannels)
        self.shell.wait_for_ready_read.connect(
                     lambda: self.process.waitForReadyRead(250))
        
        # Working directory
        if self.wdir is not None:
            self.process.setWorkingDirectory(self.wdir)

        #-------------------------Python specific------------------------------
        # Python arguments
        p_args = ['-u']
        if DEBUG >= 3:
            p_args += ['-v']
        p_args += get_python_args(self.fname, self.python_args,
                                  self.interact_action.isChecked(),
                                  self.debug_action.isChecked(),
                                  self.arguments)
        
        env = [to_text_string(_path)
               for _path in self.process.systemEnvironment()]
        if self.pythonstartup:
            env.append('PYTHONSTARTUP=%s' % self.pythonstartup)
        
        #-------------------------Python specific-------------------------------
        # Post mortem debugging
        if self.post_mortem_action.isChecked():
            env.append('SPYDER_EXCEPTHOOK=True')

        # Set standard input/output encoding for Python consoles
        # (IPython handles it on its own)
        # See http://stackoverflow.com/q/26312400/438386, specifically
        # the comments of Martijn Pieters
        if not self.is_ipykernel:
            env.append('PYTHONIOENCODING=UTF-8')

        # Monitor
        if self.monitor_enabled:
            env.append('SPYDER_SHELL_ID=%s' % id(self))
            env.append('SPYDER_AR_TIMEOUT=%d' % self.autorefresh_timeout)
            env.append('SPYDER_AR_STATE=%r' % self.autorefresh_state)
            from spyderlib.widgets.externalshell import introspection
            introspection_server = introspection.start_introspection_server()
            introspection_server.register(self)
            notification_server = introspection.start_notification_server()
            self.notification_thread = notification_server.register(self)
            self.notification_thread.sig_pdb.connect(
                                              lambda fname, lineno:
                                              self.sig_pdb.emit(fname, lineno))
            self.notification_thread.new_ipython_kernel.connect(
                                         lambda args:
                                         self.create_ipython_client.emit(args))
            self.notification_thread.open_file.connect(
                                            lambda fname, lineno:
                                            self.open_file.emit(fname, lineno))
            if self.namespacebrowser is not None:
                self.configure_namespacebrowser()
            env.append('SPYDER_I_PORT=%d' % introspection_server.port)
            env.append('SPYDER_N_PORT=%d' % notification_server.port)

        # External modules options
        if not self.is_ipykernel:
            env.append('ETS_TOOLKIT=%s' % self.ets_backend)
        if self.mpl_backend is not None:
            backends = {0: 'Automatic', 1: 'None', 2: 'TkAgg'}
            env.append('SPY_MPL_BACKEND=%s' % backends[self.mpl_backend])
        if self.qt_api and not self.is_ipykernel:
            env.append('QT_API=%s' % self.qt_api)
        env.append('COLORIZE_SYS_STDERR=%s' % self.colorize_sys_stderr)
#        # Socket-based alternative (see input hook in sitecustomize.py):
#        if self.install_qt_inputhook:
#            from PyQt4.QtNetwork import QLocalServer
#            self.local_server = QLocalServer()
#            self.local_server.listen(str(id(self)))

        # User Module Deleter
        if self.is_interpreter:
            env.append('UMR_ENABLED=%r' % self.umr_enabled)
            env.append('UMR_NAMELIST=%s' % ','.join(self.umr_namelist))
            env.append('UMR_VERBOSE=%r' % self.umr_verbose)
            env.append('MATPLOTLIB_ION=True')
        else:
            if self.interact:
                env.append('MATPLOTLIB_ION=True')
            else:
                env.append('MATPLOTLIB_ION=False')

        # IPython kernel
        env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel)

        # External interpreter
        env.append('EXTERNAL_INTERPRETER=%r' % self.external_interpreter)

        # Add sitecustomize path to path list
        pathlist = []
        scpath = osp.dirname(osp.abspath(__file__))
        pathlist.append(scpath)
        
        # Adding Spyder path
        pathlist += self.path
        
        # Adding path list to PYTHONPATH environment variable
        add_pathlist_to_PYTHONPATH(env, pathlist)

        #-------------------------Python specific------------------------------
                        
        self.process.readyReadStandardOutput.connect(self.write_output)
        self.process.readyReadStandardError.connect(self.write_error)
        self.process.finished.connect(lambda ec, es=QProcess.ExitStatus:
                                      self.finished(ec, es))
        self.sig_finished.connect(self.dialog_manager.close_all)
        self.terminate_button.clicked.connect(self.process.terminate)
        self.kill_button.clicked.connect(self.process.kill)
        
        #-------------------------Python specific------------------------------
        # Fixes for our Mac app:
        # 1. PYTHONPATH and PYTHONHOME are set while bootstrapping the app,
        #    but their values are messing sys.path for external interpreters
        #    (e.g. EPD) so we need to remove them from the environment.
        # 2. Set PYTHONPATH again but without grabbing entries defined in the
        #    environment (Fixes Issue 1321)
        # 3. Remove PYTHONOPTIMIZE from env so that we can have assert
        #    statements working with our interpreters (See Issue 1281)
        if running_in_mac_app():
            if MAC_APP_NAME not in self.pythonexecutable:
                env = [p for p in env if not (p.startswith('PYTHONPATH') or \
                                              p.startswith('PYTHONHOME'))] # 1.

                add_pathlist_to_PYTHONPATH(env, pathlist, drop_env=True)   # 2.
            env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')]   # 3.

        processEnvironment = QProcessEnvironment()
        for envItem in env:
            envName, separator, envValue = envItem.partition('=')
            processEnvironment.insert(envName, envValue)
        self.process.setProcessEnvironment(processEnvironment)                   
        self.process.start(self.pythonexecutable, p_args)
        #-------------------------Python specific------------------------------
            
        running = self.process.waitForStarted(3000)
        self.set_running_state(running)
        if not running:
            if self.is_ipykernel:
                self.ipython_kernel_start_error.emit(
                          _("The kernel failed to start!! That's all we know... "
                            "Please close this console and open a new one."))
            else:
                QMessageBox.critical(self, _("Error"),
                                     _("A Python console failed to start!"))
        else:
            self.shell.setFocus()
            self.started.emit()
        return self.process