Exemplo n.º 1
0
class HistoryLog(SpyderPluginWidget):
    """
    History log widget
    """

    CONF_SECTION = "historylog"
    CONFIGWIDGET_CLASS = HistoryConfigPage
    focus_changed = Signal()

    def __init__(self, parent):
        self.tabwidget = None
        self.menu_actions = None
        self.dockviewer = None
        self.wrap_action = None

        self.editors = []
        self.filenames = []
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main=parent)
        else:
            SpyderPluginWidget.__init__(self, parent)

        # Initialize plugin
        self.initialize_plugin()

        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        if sys.platform == "darwin":
            tab_container = QWidget()
            tab_container.setObjectName("tab-container")
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        # Menu as corner widget
        options_button = create_toolbutton(self, text=_("Options"), icon=ima.icon("tooloptions"))
        options_button.setPopupMode(QToolButton.InstantPopup)
        menu = QMenu(self)
        add_actions(menu, self.menu_actions)
        options_button.setMenu(menu)
        self.tabwidget.setCornerWidget(options_button)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts(self.find_widget)

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

    # ------ SpyderPluginWidget API ---------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        return _("History log")

    def get_plugin_icon(self):
        """Return widget icon"""
        return ima.icon("history")

    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        return True

    def refresh_plugin(self):
        """Refresh tabwidget"""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None
        self.find_widget.set_editor(editor)

    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        history_action = create_action(
            self,
            _("History..."),
            None,
            ima.icon("history"),
            _("Set history maximum entries"),
            triggered=self.change_history_depth,
        )
        self.wrap_action = create_action(self, _("Wrap lines"), toggled=self.toggle_wrap_mode)
        self.wrap_action.setChecked(self.get_option("wrap"))
        self.menu_actions = [history_action, self.wrap_action]
        return self.menu_actions

    def on_first_registration(self):
        """Action to be performed on first plugin registration"""
        self.main.tabify_plugins(self.main.extconsole, self)

    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.main.add_dockwidget(self)
        #        self.main.console.set_historylog(self)
        self.main.console.shell.refresh.connect(self.refresh_plugin)

    def update_font(self):
        """Update font from Preferences"""
        color_scheme = self.get_color_scheme()
        font = self.get_plugin_font()
        for editor in self.editors:
            editor.set_font(font, color_scheme)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        color_scheme_n = "color_scheme_name"
        color_scheme_o = self.get_color_scheme()
        font_n = "plugin_font"
        font_o = self.get_plugin_font()
        wrap_n = "wrap"
        wrap_o = self.get_option(wrap_n)
        self.wrap_action.setChecked(wrap_o)
        for editor in self.editors:
            if font_n in options:
                scs = color_scheme_o if color_scheme_n in options else None
                editor.set_font(font_o, scs)
            elif color_scheme_n in options:
                editor.set_color_scheme(color_scheme_o)
            if wrap_n in options:
                editor.toggle_wrap_mode(wrap_o)

    # ------ Private API --------------------------------------------------------
    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget)
        """
        filename = self.filenames.pop(index_from)
        editor = self.editors.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.editors.insert(index_to, editor)

    # ------ Public API ---------------------------------------------------------
    def add_history(self, filename):
        """
        Add new history tab
        Slot for add_history signal emitted by shell instance
        """
        filename = encoding.to_unicode_from_fs(filename)
        if filename in self.filenames:
            return
        editor = codeeditor.CodeEditor(self)
        if osp.splitext(filename)[1] == ".py":
            language = "py"
        else:
            language = "bat"
        editor.setup_editor(linenumbers=False, language=language, scrollflagarea=False)
        editor.focus_changed.connect(lambda: self.focus_changed.emit())
        editor.setReadOnly(True)
        color_scheme = self.get_color_scheme()
        editor.set_font(self.get_plugin_font(), color_scheme)
        editor.toggle_wrap_mode(self.get_option("wrap"))

        text, _ = encoding.read(filename)
        editor.set_text(text)
        editor.set_cursor_position("eof")

        self.editors.append(editor)
        self.filenames.append(filename)
        index = self.tabwidget.addTab(editor, osp.basename(filename))
        self.find_widget.set_editor(editor)
        self.tabwidget.setTabToolTip(index, filename)
        self.tabwidget.setCurrentIndex(index)

    def append_to_history(self, filename, command):
        """
        Append an entry to history filename
        Slot for append_to_history signal emitted by shell instance
        """
        if not is_text_string(filename):  # filename is a QString
            filename = to_text_string(filename.toUtf8(), "utf-8")
        command = to_text_string(command)
        index = self.filenames.index(filename)
        self.editors[index].append(command)
        if self.get_option("go_to_eof"):
            self.editors[index].set_cursor_position("eof")
        self.tabwidget.setCurrentIndex(index)

    @Slot()
    def change_history_depth(self):
        "Change history max entries" ""
        depth, valid = QInputDialog.getInt(
            self, _("History"), _("Maximum entries"), self.get_option("max_entries"), 10, 10000
        )
        if valid:
            self.set_option("max_entries", depth)

    @Slot(bool)
    def toggle_wrap_mode(self, checked):
        """Toggle wrap mode"""
        if self.tabwidget is None:
            return
        for editor in self.editors:
            editor.toggle_wrap_mode(checked)
        self.set_option("wrap", checked)
Exemplo n.º 2
0
class History(QWidget):
    """History plugin main widget."""

    focus_changed = Signal()

    def __init__(self, parent):
        """Initialize widget and create layout."""
        QWidget.__init__(self, parent)

        self.editors = []
        self.filenames = []

        self.tabwidget = None
        self.menu_actions = None

        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.tabwidget.currentChanged.connect(self.refresh)
        self.tabwidget.move_data.connect(self.move_tab)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        # Menu as corner widget
        options_button = create_toolbutton(self, text=_('Options'),
                                           icon=ima.icon('tooloptions'))
        options_button.setPopupMode(QToolButton.InstantPopup)
        self.menu = QMenu(self)

        options_button.setMenu(self.menu)
        self.tabwidget.setCornerWidget(options_button)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

    def set_menu_actions(self, menu_actions):
        """Add options to corner menu."""
        if self.menu_actions is not None:
            add_actions(self.menu, self.menu_actions)

    def refresh(self):
        """Refresh tabwidget."""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None
        self.find_widget.set_editor(editor)

    def move_tab(self, index_from, index_to):
        """
        Move tab.

        (tabs themselves have already been moved by the history.tabwidget)
        """
        filename = self.filenames.pop(index_from)
        editor = self.editors.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.editors.insert(index_to, editor)

    def add_history(self, filename, color_scheme, font, wrap):
        """
        Add new history tab.

        Args:
            filename (str): file to be loaded in a new tab.
        """
        filename = encoding.to_unicode_from_fs(filename)
        if filename in self.filenames:
            return
        editor = codeeditor.CodeEditor(self)
        if osp.splitext(filename)[1] == '.py':
            language = 'py'
        else:
            language = 'bat'
        editor.setup_editor(linenumbers=False,
                            language=language,
                            scrollflagarea=False,
                            show_class_func_dropdown=False)
        editor.focus_changed.connect(lambda: self.focus_changed.emit())
        editor.setReadOnly(True)

        editor.set_font(font, color_scheme)
        editor.toggle_wrap_mode(wrap)

        text, _ = encoding.read(filename)
        editor.set_text(text)
        editor.set_cursor_position('eof')

        self.editors.append(editor)
        self.filenames.append(filename)
        index = self.tabwidget.addTab(editor, osp.basename(filename))
        self.find_widget.set_editor(editor)
        self.tabwidget.setTabToolTip(index, filename)
        self.tabwidget.setCurrentIndex(index)

    def append_to_history(self, filename, command, go_to_eof):
        """
        Append an entry to history filename.

        Args:
            filename (str): file to be updated in a new tab.
            command (str): line to be added.
            go_to_eof (bool): scroll to the end of file.
        """
        if not is_text_string(filename): # filename is a QString
            filename = to_text_string(filename.toUtf8(), 'utf-8')
        command = to_text_string(command)
        index = self.filenames.index(filename)
        self.editors[index].append(command)
        if go_to_eof:
            self.editors[index].set_cursor_position('eof')
        self.tabwidget.setCurrentIndex(index)
Exemplo n.º 3
0
class HistoryLog(SpyderPluginWidget):
    """History log plugin."""

    CONF_SECTION = 'historylog'
    CONFIGWIDGET_CLASS = HistoryConfigPage
    focus_changed = Signal()

    def __init__(self, parent):
        """Initialize plugin and create History main widget."""
        SpyderPluginWidget.__init__(self, parent)

        self.tabwidget = None
        self.dockviewer = None
        self.wrap_action = None
        self.linenumbers_action = None

        self.editors = []
        self.filenames = []

        # Initialize plugin actions, toolbutton and general signals
        self.initialize_plugin()

        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.plugin_actions)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        # Menu as corner widget
        self.tabwidget.setCornerWidget(self.options_button)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts(self.find_widget)

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

    #------ SpyderPluginWidget API ---------------------------------------------
    def get_plugin_title(self):
        """Return widget title."""
        return _('History log')
    
    def get_plugin_icon(self):
        """Return widget icon."""
        return ima.icon('history')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()
        
    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        return True

    def refresh_plugin(self):
        """Refresh tabwidget"""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None
        self.find_widget.set_editor(editor)

    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        self.history_action = create_action(self, _("History..."),
                                       None, ima.icon('history'),
                                       _("Set history maximum entries"),
                                       triggered=self.change_history_depth)
        self.wrap_action = create_action(self, _("Wrap lines"),
                                    toggled=self.toggle_wrap_mode)
        self.wrap_action.setChecked( self.get_option('wrap') )
        self.linenumbers_action = create_action(
                self, _("Show line numbers"), toggled=self.toggle_line_numbers)
        self.linenumbers_action.setChecked(self.get_option('line_numbers'))

        menu_actions = [self.history_action, self.wrap_action,
                        self.linenumbers_action]
        return menu_actions

    def on_first_registration(self):
        """Action to be performed on first plugin registration"""
        self.main.tabify_plugins(self.main.ipyconsole, self)
    
    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.main.add_dockwidget(self)
#        self.main.console.set_historylog(self)
        self.main.console.shell.refresh.connect(self.refresh_plugin)

    def update_font(self):
        """Update font from Preferences"""
        color_scheme = self.get_color_scheme()
        font = self.get_plugin_font()
        for editor in self.editors:
            editor.set_font(font, color_scheme)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        color_scheme_n = 'color_scheme_name'
        color_scheme_o = self.get_color_scheme()
        font_n = 'plugin_font'
        font_o = self.get_plugin_font()
        wrap_n = 'wrap'
        wrap_o = self.get_option(wrap_n)
        self.wrap_action.setChecked(wrap_o)
        linenb_n = 'line_numbers'
        linenb_o = self.get_option(linenb_n)
        for editor in self.editors:
            if font_n in options:
                scs = color_scheme_o if color_scheme_n in options else None
                editor.set_font(font_o, scs)
            elif color_scheme_n in options:
                editor.set_color_scheme(color_scheme_o)
            if wrap_n in options:
                editor.toggle_wrap_mode(wrap_o)
            if linenb_n in options:
                editor.toggle_line_numbers(linenumbers=linenb_o, markers=False)

    #------ Private API --------------------------------------------------------
    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget)
        """
        filename = self.filenames.pop(index_from)
        editor = self.editors.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.editors.insert(index_to, editor)

    #------ Public API ---------------------------------------------------------
    def add_history(self, filename):
        """
        Add new history tab
        Slot for add_history signal emitted by shell instance
        """
        filename = encoding.to_unicode_from_fs(filename)
        if filename in self.filenames:
            return
        editor = codeeditor.CodeEditor(self)
        if osp.splitext(filename)[1] == '.py':
            language = 'py'
        else:
            language = 'bat'
        editor.setup_editor(linenumbers=self.get_option('line_numbers'),
                            language=language,
                            scrollflagarea=False)
        editor.focus_changed.connect(lambda: self.focus_changed.emit())
        editor.setReadOnly(True)
        color_scheme = self.get_color_scheme()
        editor.set_font( self.get_plugin_font(), color_scheme )
        editor.toggle_wrap_mode( self.get_option('wrap') )

        text, _ = encoding.read(filename)
        text = normalize_eols(text)
        linebreaks = [m.start() for m in re.finditer('\n', text)]
        maxNline = self.get_option('max_entries')
        if len(linebreaks) > maxNline:
            text = text[linebreaks[-maxNline - 1] + 1:]
            encoding.write(text, filename)
        editor.set_text(text)
        editor.set_cursor_position('eof')

        self.editors.append(editor)
        self.filenames.append(filename)
        index = self.tabwidget.addTab(editor, osp.basename(filename))
        self.find_widget.set_editor(editor)
        self.tabwidget.setTabToolTip(index, filename)
        self.tabwidget.setCurrentIndex(index)

    @Slot(str, str)
    def append_to_history(self, filename, command):
        """
        Append an entry to history filename
        Slot for append_to_history signal emitted by shell instance
        """
        if not is_text_string(filename): # filename is a QString
            filename = to_text_string(filename.toUtf8(), 'utf-8')
        command = to_text_string(command)
        index = self.filenames.index(filename)
        self.editors[index].append(command)
        if self.get_option('go_to_eof'):
            self.editors[index].set_cursor_position('eof')
        self.tabwidget.setCurrentIndex(index)
    
    @Slot()
    def change_history_depth(self):
        "Change history max entries"""
        depth, valid = QInputDialog.getInt(self, _('History'),
                                       _('Maximum entries'),
                                       self.get_option('max_entries'),
                                       10, 10000)
        if valid:
            self.set_option('max_entries', depth)

    @Slot(bool)
    def toggle_wrap_mode(self, checked):
        """Toggle wrap mode"""
        if self.tabwidget is None:
            return
        for editor in self.editors:
            editor.toggle_wrap_mode(checked)
        self.set_option('wrap', checked)

    @Slot(bool)
    def toggle_line_numbers(self, checked):
        """Toggle line numbers."""
        if self.tabwidget is None:
            return
        for editor in self.editors:
            editor.toggle_line_numbers(linenumbers=checked, markers=False)
        self.set_option('line_numbers', checked)
Exemplo n.º 4
0
class TerminalPlugin(SpyderPluginWidget):
    """Terminal plugin."""

    URL_ISSUES = ' https://github.com/spyder-ide/spyder-terminal/issues'
    CONF_SECTION = CONF_SECTION
    CONFIGWIDGET_CLASS = TerminalConfigPage
    CONF_DEFAULTS = CONF_DEFAULTS
    # CONF_VERSION = CONF_VERSION
    focus_changed = Signal()
    sig_server_is_ready = Signal()
    MAX_SERVER_CONTACT_RETRIES = 40

    def __init__(self, parent):
        """Widget constructor."""
        SpyderPluginWidget.__init__(self, parent)
        self.tab_widget = None
        self.menu_actions = None
        self.server_retries = 0
        self.server_ready = False
        self.port = select_port(default_port=8071)

        self.cmd = find_program(self.get_option('shell'))
        self.CONF = CONF
        self.server_stdout = subprocess.PIPE
        self.server_stderr = subprocess.PIPE
        self.stdout_file = osp.join(getcwd(), 'spyder_terminal_out.log')
        self.stderr_file = osp.join(getcwd(), 'spyder_terminal_err.log')
        if DEV:
            self.server_stdout = open(self.stdout_file, 'w')
            self.server_stderr = open(self.stderr_file, 'w')
        self.server = subprocess.Popen(
            [sys.executable, '-m', 'spyder_terminal.server',
             '--port', str(self.port), '--shell', self.cmd],
            stdout=self.server_stdout,
            stderr=self.server_stderr)

        self.main = parent

        self.terms = []
        self.untitled_num = 0

        self.project_path = None
        self.current_file_path = None
        self.current_cwd = getcwd()
        self.options_menu = QMenu(self)

        try:
            # Spyder 3
            self.initialize_plugin()
        except AttributeError:
            # Spyder 4
            pass

        layout = QVBoxLayout()
        new_term_btn = create_toolbutton(self,
                                         icon=ima.icon('expand'),
                                         tip=_('Open a new terminal'),
                                         triggered=self.create_new_term)
        menu_btn = create_toolbutton(self, icon=ima.icon('tooloptions'),
                                     tip=_('Options'))
        menu_btn.setMenu(self.options_menu)
        menu_btn.setPopupMode(menu_btn.InstantPopup)
        
        # if self.get_option('first_time', True):
        # self.setup_shortcuts()
        # self.shortcuts = self.create_shortcuts()
        corner_widgets = {Qt.TopRightCorner: [new_term_btn, menu_btn]}
        self.tabwidget = Tabs(self, menu=self.options_menu,
                              actions=self.menu_actions,
                              corner_widgets=corner_widgets, rename_tabs=True)

        if hasattr(self.tabwidget, 'setDocumentMode') \
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        self.tabwidget.set_close_function(self.close_term)

        layout.addWidget(self.tabwidget)
        self.setLayout(layout)

        new_term_shortcut = QShortcut(QKeySequence("Ctrl+Alt+Shift+T"),
                                      self, self.create_new_term)
        new_term_shortcut.setContext(Qt.WidgetWithChildrenShortcut)

        self.__wait_server_to_start()

    # ------ Private API ------------------------------------------
    def __wait_server_to_start(self):
        try:
            code = requests.get('http://127.0.0.1:{0}'.format(
                self.port)).status_code
        except:
            code = 500

        if self.server_retries == self.MAX_SERVER_CONTACT_RETRIES:
            QMessageBox.critical(self, _('Spyder Terminal Error'),
                                 _("Terminal server could not be located at "
                                   '<a href="http://127.0.0.1:{0}">'
                                   'http://127.0.0.1:{0}</a>,'
                                   ' please restart Spyder on debugging mode '
                                   "and open an issue with the contents of "
                                   "<tt>{1}</tt> and <tt>{2}</tt> "
                                   "files at {3}.").format(self.port,
                                                           self.stdout_file,
                                                           self.stderr_file,
                                                           self.URL_ISSUES),
                                 QMessageBox.Ok)
        elif code != 200:
            self.server_retries += 1
            QTimer.singleShot(250, self.__wait_server_to_start)
        elif code == 200:
            self.sig_server_is_ready.emit()
            self.server_ready = True
            self.create_new_term(give_focus=False)

    # ------ SpyderPluginMixin API --------------------------------
    def on_first_registration(self):
        """Action to be performed on first plugin registration."""
        self.main.tabify_plugins(self.main.ipyconsole, self)

    def update_font(self):
        """Update font from Preferences."""
        font = self.get_font()
        for term in self.terms:
            term.set_font(font.family())

    def check_compatibility(self):
        """Check if current Qt backend version is greater or equal to 5."""
        message = ''
        valid = True
        if PYQT4 or PYSIDE:
            message = _('<b>spyder-terminal</b> doesn\'t work with Qt 4. '
                        'Therefore, this plugin will be deactivated.')
            valid = False
        if WINDOWS:
            try:
                import winpty
                del winpty
            except:
                message = _('Unfortunately, the library that <b>spyder-termina'
                            'l</b> uses to create terminals is failing to '
                            'work in your system. Therefore, this plugin will '
                            'be deactivated.<br><br> This usually happens on '
                            'Windows 7 systems. If that\'s the case, please '
                            'consider updating to a newer Windows version.')
                valid = False
        return valid, message

    # ------ SpyderPluginWidget API ------------------------------
    def get_plugin_title(self):
        """Return widget title."""
        title = _('Terminal')
        return title

    def get_plugin_icon(self):
        """Return widget icon."""
        return ima.icon('DollarFileIcon')

    def get_plugin_actions(self):
        """Get plugin actions."""
        new_terminal_cwd = create_action(self,
                                         _("New terminal in current "
                                           "working directory"),
                                         tip=_("Sets the pwd at "
                                               "the current working "
                                               "directory"),
                                         triggered=self.create_new_term)

        self.new_terminal_project = create_action(self,
                                                  _("New terminal in current "
                                                    "project"),
                                                  tip=_("Sets the pwd at "
                                                        "the current project "
                                                        "directory"),
                                                  triggered=lambda:
                                                  self.create_new_term(
                                                      path=self.project_path))

        new_terminal_file = create_action(self,
                                          _("New terminal in current Editor "
                                            "file"),
                                          tip=_("Sets the pwd at "
                                                "the directory that contains "
                                                "the current opened file"),
                                          triggered=lambda:
                                          self.create_new_term(
                                              path=self.current_file_path))

        rename_tab_action = create_action(self,
                                          _("Rename terminal"),
                                          triggered=self.tab_name_editor)

        add_actions(self.options_menu, [new_terminal_cwd,
                                        self.new_terminal_project,
                                        new_terminal_file,
                                        rename_tab_action])

        self.menu_actions = [new_terminal_cwd, self.new_terminal_project,
                             new_terminal_file, MENU_SEPARATOR,
                             rename_tab_action]
        self.setup_menu_actions()

        return self.menu_actions

    def setup_menu_actions(self):
        """Setup and update the Options menu actions."""
        if self.project_path is None:
            self.new_terminal_project.setEnabled(False)

    def get_focus_widget(self):
        """
        Set focus on current selected terminal.

        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level.
        """
        term = self.tabwidget.currentWidget()
        if term is not None:
            return term.view

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed."""
        for term in self.terms:
            term.close()
        self.server.terminate()
        if DEV:
            self.server_stdout.close()
            self.server_stderr.close()
        return True

    def refresh_plugin(self):
        """Refresh tabwidget."""
        term = None
        if self.tabwidget.count():
            term = self.tabwidget.currentWidget()
            term.view.setFocus()
        else:
            term = None

    def register_plugin(self):
        """Register plugin in Spyder's main window."""
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.add_dockwidget()
        self.main.workingdirectory.set_explorer_cwd.connect(
            self.set_current_cwd)
        self.main.projects.sig_project_loaded.connect(self.set_project_path)
        self.main.projects.sig_project_closed.connect(self.unset_project_path)
        self.main.editor.open_file_update.connect(self.set_current_opened_file)
        self.options_menu.aboutToShow.connect(self.setup_menu_actions)

    def apply_plugin_settings(self, options):
        """Apply the config settings."""
        term_options = {}
        for option in options:
            term_options[option] = self.get_option(option)
        for term in self.get_terms():
            term.apply_settings(term_options)

    # ------ Public API (for terminals) -------------------------
    def get_terms(self):
        """Return terminal list."""
        return [cl for cl in self.terms if isinstance(cl, TerminalWidget)]

    def get_focus_term(self):
        """Return current terminal with focus, if any."""
        widget = QApplication.focusWidget()
        for term in self.get_terms():
            if widget is term:
                return term

    def get_current_term(self):
        """Return the currently selected terminal."""
        try:
            terminal = self.tabwidget.currentWidget()
        except AttributeError:
            terminal = None
        if terminal is not None:
            return terminal

    def create_new_term(self, name=None, give_focus=True, path=None):
        """Add a new terminal tab."""
        if path is None:
            path = self.current_cwd
        path = path.replace('\\', '/')
        font = self.get_font()
        term = TerminalWidget(self, self.port, path=path, font=font.family())
        self.add_tab(term)
        term.terminal_closed.connect(lambda: self.close_term(term=term))

    def close_term(self, index=None, term=None):
        """Close a terminal tab."""
        if not self.tabwidget.count():
            return
        if term is not None:
            index = self.tabwidget.indexOf(term)
        if index is None and term is None:
            index = self.tabwidget.currentIndex()
        if index is not None:
            term = self.tabwidget.widget(index)

        term.close()
        self.tabwidget.removeTab(self.tabwidget.indexOf(term))
        self.terms.remove(term)
        if self.tabwidget.count() == 0:
            self.create_new_term()

    def set_project_path(self, path):
        """Refresh current project path."""
        self.project_path = path
        self.new_terminal_project.setEnabled(True)

    def set_current_opened_file(self, path):
        """Get path of current opened file in editor."""
        self.current_file_path = osp.dirname(path)

    def unset_project_path(self):
        """Refresh current project path."""
        self.project_path = None
        self.new_terminal_project.setEnabled(False)

    @Slot(str)
    def set_current_cwd(self, cwd):
        """Update current working directory."""
        self.current_cwd = cwd

    def server_is_ready(self):
        """Return server status."""
        return self.server_ready

    # ------ Public API (for tabs) ---------------------------
    def add_tab(self, widget):
        """Add tab."""
        self.terms.append(widget)
        num_term = self.tabwidget.count() + 1
        index = self.tabwidget.addTab(widget, "Terminal {0}".format(num_term))
        self.tabwidget.setCurrentIndex(index)
        self.tabwidget.setTabToolTip(index, "Terminal {0}".format(num_term))
        if self.dockwidget and not self._ismaximized:
            self.dockwidget.setVisible(True)
        self.activateWindow()
        widget.view.setFocus()

    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget).

        Allows to change order of tabs.
        """
        term = self.terms.pop(index_from)
        self.terms.insert(index_to, term)

    def tab_name_editor(self):
        """Trigger the tab name editor."""
        index = self.tabwidget.currentIndex()
        self.tabwidget.tabBar().tab_name_editor.edit_tab(index)
Exemplo n.º 5
0
class ExternalConsole(SpyderPluginWidget):
    """
    Console widget
    """
    CONF_SECTION = 'console'
    CONFIGWIDGET_CLASS = ExternalConsoleConfigPage
    DISABLE_ACTIONS_WHEN_HIDDEN = False

    edit_goto = Signal((str, int, str), (str, int, str, bool))
    focus_changed = Signal()
    redirect_stdio = Signal(bool)

    def __init__(self, parent):
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main=parent)
        else:
            SpyderPluginWidget.__init__(self, parent)
        self.tabwidget = None
        self.menu_actions = None

        self.help = None  # Help plugin
        self.historylog = None  # History log plugin
        self.variableexplorer = None  # Variable explorer plugin

        self.python_count = 0
        self.terminal_count = 0

        # Python startup file selection
        if not osp.isfile(self.get_option('pythonstartup', '')):
            self.set_option('pythonstartup', SCIENTIFIC_STARTUP)
        # default/custom settings are mutually exclusive:
        self.set_option('pythonstartup/custom',
                        not self.get_option('pythonstartup/default'))

        self.shellwidgets = []
        self.filenames = []
        self.icons = []
        self.runfile_args = ""

        # Initialize plugin
        self.initialize_plugin()

        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        if hasattr(self.tabwidget, 'setDocumentMode')\
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)
        self.main.sig_pythonpath_changed.connect(self.set_path)

        self.tabwidget.set_close_function(self.close_console)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts(self.find_widget)

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

        # Accepting drops
        self.setAcceptDrops(True)

    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget)
        """
        filename = self.filenames.pop(index_from)
        shell = self.shellwidgets.pop(index_from)
        icons = self.icons.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.shellwidgets.insert(index_to, shell)
        self.icons.insert(index_to, icons)
        self.update_plugin_title.emit()

    def get_shell_index_from_id(self, shell_id):
        """Return shellwidget index from id"""
        for index, shell in enumerate(self.shellwidgets):
            if id(shell) == shell_id:
                return index

    def close_console(self, index=None):
        """Close console tab from index or widget (or close current tab)"""
        # Get tab index
        if not self.tabwidget.count():
            return
        if index is None:
            index = self.tabwidget.currentIndex()

        # Closing logic
        self.tabwidget.widget(index).close()
        self.tabwidget.removeTab(index)
        self.filenames.pop(index)
        self.shellwidgets.pop(index)
        self.icons.pop(index)
        self.update_plugin_title.emit()

    def set_variableexplorer(self, variableexplorer):
        """Set variable explorer plugin"""
        self.variableexplorer = variableexplorer

    def set_path(self):
        """Set consoles PYTHONPATH if changed by the user"""
        from spyder.widgets.externalshell import pythonshell
        for sw in self.shellwidgets:
            if isinstance(sw, pythonshell.ExternalPythonShell):
                if sw.is_interpreter and sw.is_running():
                    sw.path = self.main.get_spyder_pythonpath()
                    sw.shell.path = sw.path

    def __find_python_shell(self, interpreter_only=False):
        current_index = self.tabwidget.currentIndex()
        if current_index == -1:
            return
        from spyder.widgets.externalshell import pythonshell
        for index in [current_index] + list(range(self.tabwidget.count())):
            shellwidget = self.tabwidget.widget(index)
            if isinstance(shellwidget, pythonshell.ExternalPythonShell):
                if interpreter_only and not shellwidget.is_interpreter:
                    continue
                elif not shellwidget.is_running():
                    continue
                else:
                    self.tabwidget.setCurrentIndex(index)
                    return shellwidget

    def get_current_shell(self):
        """
        Called by Help to retrieve the current shell instance
        """
        shellwidget = self.__find_python_shell()
        return shellwidget.shell

    def get_running_python_shell(self):
        """
        Called by Help to retrieve a running Python shell instance
        """
        current_index = self.tabwidget.currentIndex()
        if current_index == -1:
            return
        from spyder.widgets.externalshell import pythonshell
        shellwidgets = [
            self.tabwidget.widget(index)
            for index in range(self.tabwidget.count())
        ]
        shellwidgets = [_w for _w in shellwidgets
                        if isinstance(_w, pythonshell.ExternalPythonShell) \
                        and _w.is_running()]
        if shellwidgets:
            # First, iterate on interpreters only:
            for shellwidget in shellwidgets:
                if shellwidget.is_interpreter:
                    return shellwidget.shell
            else:
                return shellwidgets[0].shell

    def run_script_in_current_shell(self, filename, wdir, args, debug,
                                    post_mortem):
        """Run script in current shell, if any"""
        norm = lambda text: remove_backslashes(to_text_string(text))
        line = "%s('%s'" % ('debugfile' if debug else 'runfile',
                            norm(filename))
        if args:
            line += ", args='%s'" % norm(args)
        if wdir:
            line += ", wdir='%s'" % norm(wdir)
        if post_mortem:
            line += ', post_mortem=True'
        line += ")"
        if not self.execute_code(line, interpreter_only=True):
            QMessageBox.warning(
                self, _('Warning'),
                _("No Python console is currently selected to run <b>%s</b>."
                  "<br><br>Please select or open a new Python console "
                  "and try again.") % osp.basename(norm(filename)),
                QMessageBox.Ok)
        else:
            self.visibility_changed(True)
            self.raise_()

    def set_current_shell_working_directory(self, directory):
        """Set current shell working directory"""
        shellwidget = self.__find_python_shell()
        if shellwidget is not None:
            directory = encoding.to_unicode_from_fs(directory)
            shellwidget.shell.set_cwd(directory)

    def execute_code(self, lines, interpreter_only=False):
        """Execute code in an already opened Python interpreter"""
        shellwidget = self.__find_python_shell(
            interpreter_only=interpreter_only)
        if shellwidget is not None:
            shellwidget.shell.execute_lines(to_text_string(lines))
            self.activateWindow()
            shellwidget.shell.setFocus()
            return True
        else:
            return False

    def pdb_has_stopped(self, fname, lineno, shellwidget):
        """Python debugger has just stopped at frame (fname, lineno)"""
        # This is a unique form of the edit_goto signal that is intended to
        # prevent keyboard input from accidentally entering the editor
        # during repeated, rapid entry of debugging commands.
        self.edit_goto[str, int, str, bool].emit(fname, lineno, '', False)
        self.activateWindow()
        shellwidget.shell.setFocus()

    def set_spyder_breakpoints(self):
        """Set all Spyder breakpoints into all shells"""
        for shellwidget in self.shellwidgets:
            shellwidget.shell.set_spyder_breakpoints()

    def start(self,
              fname,
              wdir=None,
              args='',
              interact=False,
              debug=False,
              python=True,
              python_args='',
              post_mortem=True):
        """
        Start new console

        fname:
          string: filename of script to run
          None: open an interpreter
        wdir: working directory
        args: command line options of the Python script
        interact: inspect script interactively after its execution
        debug: run pdb
        python: True: Python interpreter, False: terminal
        python_args: additionnal Python interpreter command line options
                   (option "-u" is mandatory, see widgets.externalshell package)
        """
        # Note: fname is None <=> Python interpreter
        if fname is not None and not is_text_string(fname):
            fname = to_text_string(fname)
        if wdir is not None and not is_text_string(wdir):
            wdir = to_text_string(wdir)

        if fname is not None and fname in self.filenames:
            index = self.filenames.index(fname)
            if self.get_option('single_tab'):
                old_shell = self.shellwidgets[index]
                if old_shell.is_running():
                    runconfig = get_run_configuration(fname)
                    if runconfig is None or runconfig.show_kill_warning:
                        answer = QMessageBox.question(
                            self, self.get_plugin_title(),
                            _("%s is already running in a separate process.\n"
                              "Do you want to kill the process before starting "
                              "a new one?") % osp.basename(fname),
                            QMessageBox.Yes | QMessageBox.Cancel)
                    else:
                        answer = QMessageBox.Yes

                    if answer == QMessageBox.Yes:
                        old_shell.process.kill()
                        old_shell.process.waitForFinished()
                    else:
                        return
                self.close_console(index)
        else:
            index = self.tabwidget.count()

        # Creating a new external shell
        pythonpath = self.main.get_spyder_pythonpath()
        light_background = self.get_option('light_background')
        show_elapsed_time = self.get_option('show_elapsed_time')
        if python:
            if CONF.get('main_interpreter', 'default'):
                pythonexecutable = get_python_executable()
                external_interpreter = False
            else:
                pythonexecutable = CONF.get('main_interpreter', 'executable')
                external_interpreter = True
            if self.get_option('pythonstartup/default'):
                pythonstartup = None
            else:
                pythonstartup = self.get_option('pythonstartup', None)
            monitor_enabled = self.get_option('monitor/enabled')
            mpl_backend = self.get_option('matplotlib/backend/value')
            ets_backend = self.get_option('ets_backend')
            qt_api = self.get_option('qt/api')
            if qt_api not in ('pyqt', 'pyside', 'pyqt5'):
                qt_api = None
            merge_output_channels = self.get_option('merge_output_channels')
            colorize_sys_stderr = self.get_option('colorize_sys_stderr')
            umr_enabled = CONF.get('main_interpreter', 'umr/enabled')
            umr_namelist = CONF.get('main_interpreter', 'umr/namelist')
            umr_verbose = CONF.get('main_interpreter', 'umr/verbose')
            ar_timeout = CONF.get('variable_explorer', 'autorefresh/timeout')
            ar_state = CONF.get('variable_explorer', 'autorefresh')

            sa_settings = None
            shellwidget = ExternalPythonShell(
                self,
                fname,
                wdir,
                interact,
                debug,
                post_mortem=post_mortem,
                path=pythonpath,
                python_args=python_args,
                arguments=args,
                stand_alone=sa_settings,
                pythonstartup=pythonstartup,
                pythonexecutable=pythonexecutable,
                external_interpreter=external_interpreter,
                umr_enabled=umr_enabled,
                umr_namelist=umr_namelist,
                umr_verbose=umr_verbose,
                ets_backend=ets_backend,
                monitor_enabled=monitor_enabled,
                mpl_backend=mpl_backend,
                qt_api=qt_api,
                merge_output_channels=merge_output_channels,
                colorize_sys_stderr=colorize_sys_stderr,
                autorefresh_timeout=ar_timeout,
                autorefresh_state=ar_state,
                light_background=light_background,
                menu_actions=self.menu_actions,
                show_buttons_inside=False,
                show_elapsed_time=show_elapsed_time)
            shellwidget.sig_pdb.connect(
                lambda fname, lineno, shellwidget=shellwidget: self.
                pdb_has_stopped(fname, lineno, shellwidget))
            self.register_widget_shortcuts(shellwidget.shell)
        else:
            if os.name == 'posix':
                cmd = 'gnome-terminal'
                args = []
                if programs.is_program_installed(cmd):
                    if wdir:
                        args.extend(['--working-directory=%s' % wdir])
                    programs.run_program(cmd, args)
                    return
                cmd = 'konsole'
                if programs.is_program_installed(cmd):
                    if wdir:
                        args.extend(['--workdir', wdir])
                    programs.run_program(cmd, args)
                    return
            shellwidget = ExternalSystemShell(
                self,
                wdir,
                path=pythonpath,
                light_background=light_background,
                menu_actions=self.menu_actions,
                show_buttons_inside=False,
                show_elapsed_time=show_elapsed_time)

        # Code completion / calltips
        shellwidget.shell.setMaximumBlockCount(
            self.get_option('max_line_count'))
        shellwidget.shell.set_font(self.get_plugin_font())
        shellwidget.shell.toggle_wrap_mode(self.get_option('wrap'))
        shellwidget.shell.set_calltips(self.get_option('calltips'))
        shellwidget.shell.set_codecompletion_auto(
            self.get_option('codecompletion/auto'))
        shellwidget.shell.set_codecompletion_case(
            self.get_option('codecompletion/case_sensitive'))
        shellwidget.shell.set_codecompletion_enter(
            self.get_option('codecompletion/enter_key'))
        if python and self.help is not None:
            shellwidget.shell.set_help(self.help)
            shellwidget.shell.set_help_enabled(
                CONF.get('help', 'connect/python_console'))
        if self.historylog is not None:
            self.historylog.add_history(shellwidget.shell.history_filename)
            shellwidget.shell.append_to_history.connect(
                self.historylog.append_to_history)
            shellwidget.shell.go_to_error.connect(self.go_to_error)
            shellwidget.shell.focus_changed.connect(
                lambda: self.focus_changed.emit())
        if python:
            if self.main.editor is not None:
                shellwidget.open_file.connect(self.open_file_in_spyder)
            if fname is None:
                self.python_count += 1
                tab_name = "Python %d" % self.python_count
                tab_icon1 = ima.icon('python')
                tab_icon2 = ima.icon('python_t')
            else:
                tab_name = osp.basename(fname)
                tab_icon1 = ima.icon('run')
                tab_icon2 = ima.icon('terminated')
        else:
            fname = id(shellwidget)
            if os.name == 'nt':
                tab_name = _("Command Window")
            else:
                tab_name = _("Terminal")
            self.terminal_count += 1
            tab_name += (" %d" % self.terminal_count)
            tab_icon1 = ima.icon('cmdprompt')
            tab_icon2 = ima.icon('cmdprompt_t')
        self.shellwidgets.insert(index, shellwidget)
        self.filenames.insert(index, fname)
        self.icons.insert(index, (tab_icon1, tab_icon2))
        if index is None:
            index = self.tabwidget.addTab(shellwidget, tab_name)
        else:
            self.tabwidget.insertTab(index, shellwidget, tab_name)

        shellwidget.started.connect(
            lambda sid=id(shellwidget): self.process_started(sid))
        shellwidget.sig_finished.connect(
            lambda sid=id(shellwidget): self.process_finished(sid))
        self.find_widget.set_editor(shellwidget.shell)
        self.tabwidget.setTabToolTip(index, fname if wdir is None else wdir)
        self.tabwidget.setCurrentIndex(index)
        if self.dockwidget and not self.ismaximized:
            self.dockwidget.setVisible(True)
            self.dockwidget.raise_()

        shellwidget.set_icontext_visible(self.get_option('show_icontext'))

        # Start process and give focus to console
        shellwidget.start_shell()

    def open_file_in_spyder(self, fname, lineno):
        """Open file in Spyder's editor from remote process"""
        self.main.editor.activateWindow()
        self.main.editor.raise_()
        self.main.editor.load(fname, lineno)

    #------ Private API -------------------------------------------------------
    def process_started(self, shell_id):
        index = self.get_shell_index_from_id(shell_id)
        shell = self.shellwidgets[index]
        icon, _icon = self.icons[index]
        self.tabwidget.setTabIcon(index, icon)
        if self.help is not None:
            self.help.set_shell(shell.shell)
        if self.variableexplorer is not None:
            self.variableexplorer.add_shellwidget(shell)

    def process_finished(self, shell_id):
        index = self.get_shell_index_from_id(shell_id)
        if index is not None:
            # Not sure why it happens, but sometimes the shellwidget has
            # already been removed, so that's not bad if we can't change
            # the tab icon...
            _icon, icon = self.icons[index]
            self.tabwidget.setTabIcon(index, icon)
        if self.variableexplorer is not None:
            self.variableexplorer.remove_shellwidget(shell_id)

    #------ SpyderPluginWidget API --------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        title = _('Python console')
        if self.filenames:
            index = self.tabwidget.currentIndex()
            fname = self.filenames[index]
            if fname:
                title += ' - ' + to_text_string(fname)
        return title

    def get_plugin_icon(self):
        """Return widget icon"""
        return ima.icon('console')

    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()

    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        interpreter_action = create_action(self,
                                           _("Open a &Python console"),
                                           None,
                                           ima.icon('python'),
                                           triggered=self.open_interpreter)
        if os.name == 'nt':
            text = _("Open &command prompt")
            tip = _("Open a Windows command prompt")
        else:
            text = _("Open a &terminal")
            tip = _("Open a terminal window")
        terminal_action = create_action(self,
                                        text,
                                        None,
                                        None,
                                        tip,
                                        triggered=self.open_terminal)
        run_action = create_action(self,
                                   _("&Run..."),
                                   None,
                                   ima.icon('run_small'),
                                   _("Run a Python script"),
                                   triggered=self.run_script)

        consoles_menu_actions = [interpreter_action]
        tools_menu_actions = [terminal_action]
        self.menu_actions = [interpreter_action, terminal_action, run_action]

        self.main.consoles_menu_actions += consoles_menu_actions
        self.main.tools_menu_actions += tools_menu_actions

        return self.menu_actions + consoles_menu_actions + tools_menu_actions

    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.main.add_dockwidget(self)
        self.help = self.main.help
        self.historylog = self.main.historylog
        self.edit_goto.connect(self.main.editor.load)
        self.edit_goto[str, int, str, bool].connect(
            lambda fname, lineno, word, processevents: self.main.editor.load(
                fname, lineno, word, processevents=processevents))
        self.main.editor.run_in_current_extconsole.connect(
            self.run_script_in_current_shell)
        self.main.editor.breakpoints_saved.connect(self.set_spyder_breakpoints)
        self.main.editor.open_dir.connect(
            self.set_current_shell_working_directory)
        self.main.workingdirectory.set_current_console_wd.connect(
            self.set_current_shell_working_directory)
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.redirect_stdio.connect(self.main.redirect_internalshell_stdio)
        expl = self.main.explorer
        if expl is not None:
            expl.open_terminal.connect(self.open_terminal)
            expl.open_interpreter.connect(self.open_interpreter)
        pexpl = self.main.projects
        if pexpl is not None:
            pexpl.open_terminal.connect(self.open_terminal)
            pexpl.open_interpreter.connect(self.open_interpreter)

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        for shellwidget in self.shellwidgets:
            shellwidget.close()
        return True

    def restart(self):
        """
        Restart the console

        This is needed when we switch project to update PYTHONPATH
        and the selected interpreter
        """
        self.python_count = 0
        for i in range(len(self.shellwidgets)):
            self.close_console()
        self.open_interpreter()

    def refresh_plugin(self):
        """Refresh tabwidget"""
        shellwidget = None
        if self.tabwidget.count():
            shellwidget = self.tabwidget.currentWidget()
            editor = shellwidget.shell
            editor.setFocus()
            widgets = [shellwidget.create_time_label(), 5
                       ] + shellwidget.get_toolbar_buttons() + [5]
        else:
            editor = None
            widgets = []
        self.find_widget.set_editor(editor)
        self.tabwidget.set_corner_widgets({Qt.TopRightCorner: widgets})
        if shellwidget:
            shellwidget.update_time_label_visibility()
            self.variableexplorer.set_shellwidget_from_id(id(shellwidget))
            self.help.set_shell(shellwidget.shell)
        self.main.last_console_plugin_focus_was_python = True
        self.update_plugin_title.emit()

    def update_font(self):
        """Update font from Preferences"""
        font = self.get_plugin_font()
        for shellwidget in self.shellwidgets:
            shellwidget.shell.set_font(font)
            completion_size = CONF.get('main', 'completion/size')
            comp_widget = shellwidget.shell.completion_widget
            comp_widget.setup_appearance(completion_size, font)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        showtime_n = 'show_elapsed_time'
        showtime_o = self.get_option(showtime_n)
        icontext_n = 'show_icontext'
        icontext_o = self.get_option(icontext_n)
        calltips_n = 'calltips'
        calltips_o = self.get_option(calltips_n)
        help_n = 'connect_to_oi'
        help_o = CONF.get('help', 'connect/python_console')
        wrap_n = 'wrap'
        wrap_o = self.get_option(wrap_n)
        compauto_n = 'codecompletion/auto'
        compauto_o = self.get_option(compauto_n)
        case_comp_n = 'codecompletion/case_sensitive'
        case_comp_o = self.get_option(case_comp_n)
        compenter_n = 'codecompletion/enter_key'
        compenter_o = self.get_option(compenter_n)
        mlc_n = 'max_line_count'
        mlc_o = self.get_option(mlc_n)
        for shellwidget in self.shellwidgets:
            if showtime_n in options:
                shellwidget.set_elapsed_time_visible(showtime_o)
            if icontext_n in options:
                shellwidget.set_icontext_visible(icontext_o)
            if calltips_n in options:
                shellwidget.shell.set_calltips(calltips_o)
            if help_n in options:
                if isinstance(shellwidget, ExternalPythonShell):
                    shellwidget.shell.set_help_enabled(help_o)
            if wrap_n in options:
                shellwidget.shell.toggle_wrap_mode(wrap_o)
            if compauto_n in options:
                shellwidget.shell.set_codecompletion_auto(compauto_o)
            if case_comp_n in options:
                shellwidget.shell.set_codecompletion_case(case_comp_o)
            if compenter_n in options:
                shellwidget.shell.set_codecompletion_enter(compenter_o)
            if mlc_n in options:
                shellwidget.shell.setMaximumBlockCount(mlc_o)

    #------ SpyderPluginMixin API ---------------------------------------------
    def toggle_view(self, checked):
        """Toggle view"""
        if checked:
            self.dockwidget.show()
            self.dockwidget.raise_()
            # Start a console in case there are none shown
            from spyder.widgets.externalshell import pythonshell
            consoles = None
            for sw in self.shellwidgets:
                if isinstance(sw, pythonshell.ExternalPythonShell):
                    consoles = True
                    break
            if not consoles:
                self.open_interpreter()
        else:
            self.dockwidget.hide()

    #------ Public API ---------------------------------------------------------
    @Slot(bool)
    @Slot(str)
    def open_interpreter(self, wdir=None):
        """Open interpreter"""
        if not wdir:
            wdir = getcwd()
        self.visibility_changed(True)
        self.start(fname=None,
                   wdir=to_text_string(wdir),
                   args='',
                   interact=True,
                   debug=False,
                   python=True)

    @Slot(bool)
    @Slot(str)
    def open_terminal(self, wdir=None):
        """Open terminal"""
        if not wdir:
            wdir = getcwd()
        self.start(fname=None,
                   wdir=to_text_string(wdir),
                   args='',
                   interact=True,
                   debug=False,
                   python=False)

    @Slot()
    def run_script(self):
        """Run a Python script"""
        self.redirect_stdio.emit(False)
        filename, _selfilter = getopenfilename(
            self, _("Run Python script"), getcwd(),
            _("Python scripts") + " (*.py ; *.pyw ; *.ipy)")
        self.redirect_stdio.emit(True)
        if filename:
            self.start(fname=filename,
                       wdir=None,
                       args='',
                       interact=False,
                       debug=False)

    def go_to_error(self, text):
        """Go to error if relevant"""
        match = get_error_match(to_text_string(text))
        if match:
            fname, lnb = match.groups()
            self.edit_goto.emit(osp.abspath(fname), int(lnb), '')

    #----Drag and drop
    def dragEnterEvent(self, event):
        """Reimplement Qt method
        Inform Qt about the types of data that the widget accepts"""
        source = event.mimeData()
        if source.hasUrls():
            if mimedata2url(source):
                pathlist = mimedata2url(source)
                shellwidget = self.tabwidget.currentWidget()
                if all([
                        is_python_script(to_text_string(qstr))
                        for qstr in pathlist
                ]):
                    event.acceptProposedAction()
                elif shellwidget is None or not shellwidget.is_running():
                    event.ignore()
                else:
                    event.acceptProposedAction()
            else:
                event.ignore()
        elif source.hasText():
            event.acceptProposedAction()

    def dropEvent(self, event):
        """Reimplement Qt method
        Unpack dropped data and handle it"""
        source = event.mimeData()
        shellwidget = self.tabwidget.currentWidget()
        if source.hasText():
            qstr = source.text()
            if is_python_script(to_text_string(qstr)):
                self.start(qstr)
            elif shellwidget:
                shellwidget.shell.insert_text(qstr)
        elif source.hasUrls():
            pathlist = mimedata2url(source)
            if all(
                [is_python_script(to_text_string(qstr)) for qstr in pathlist]):
                for fname in pathlist:
                    self.start(fname)
            elif shellwidget:
                shellwidget.shell.drop_pathlist(pathlist)
        event.acceptProposedAction()
Exemplo n.º 6
0
class HistoryWidget(PluginMainWidget):
    """
    History plugin main widget.
    """

    DEFAULT_OPTIONS = {
        'color_scheme_name': 'spyder/dark',
        'go_to_eof': True,
        'line_numbers': True,
        'wrap': True,
    }

    # Signals
    sig_focus_changed = Signal()
    """
    This signal is emitted when the focus of the code editor storing history
    changes.
    """
    def __init__(self, name, plugin, parent, options=DEFAULT_OPTIONS):
        super().__init__(name, plugin, parent, options)

        # Attributes
        self.editors = []
        self.filenames = []
        self.tabwidget = None
        self.dockviewer = None
        self.wrap_action = None
        self.linenumbers_action = None
        self.editors = []
        self.filenames = []
        self.font = None

        # Widgets
        self.tabwidget = Tabs(self)
        self.find_widget = FindReplace(self)

        # Setup
        self.find_widget.hide()

        # Layout
        layout = QVBoxLayout()

        # TODO: Move this to the tab container directly
        if sys.platform == 'darwin':
            tab_container = QWidget(self)
            tab_container.setObjectName('tab-container')
            tab_layout = QVBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        layout.addWidget(self.find_widget)
        self.setLayout(layout)

        # Signals
        self.tabwidget.currentChanged.connect(self.refresh)
        self.tabwidget.move_data.connect(self.move_tab)

    # --- PluginMainWidget API
    # ------------------------------------------------------------------------
    def get_title(self):
        return _('History')

    def get_focus_widget(self):
        return self.tabwidget.currentWidget()

    def setup(self, options):
        # Actions
        self.wrap_action = self.create_action(
            HistoryWidgetActions.ToggleWrap,
            text=_("Wrap lines"),
            toggled=lambda value: self.set_option('wrap', value),
            initial=self.get_option('wrap'),
        )
        self.linenumbers_action = self.create_action(
            HistoryWidgetActions.ToggleLineNumbers,
            text=_("Show line numbers"),
            toggled=lambda value: self.set_option('line_numbers', value),
            initial=self.get_option('line_numbers'),
        )

        # Menu
        menu = self.get_options_menu()
        for item in [self.wrap_action, self.linenumbers_action]:
            self.add_item_to_menu(
                item,
                menu=menu,
                section=HistoryWidgetOptionsMenuSections.Main,
            )

    def update_actions(self):
        pass

    def on_option_update(self, option, value):
        if self.tabwidget is not None:
            if option == 'wrap':
                for editor in self.editors:
                    editor.toggle_wrap_mode(value)
            elif option == 'line_numbers':
                for editor in self.editors:
                    editor.toggle_line_numbers(value)
            elif option == 'color_scheme_name':
                for editor in self.editors:
                    editor.set_font(self.font)

    # --- Public API
    # ------------------------------------------------------------------------
    def update_font(self, font, color_scheme):
        """
        Update font of the code editor.

        Parameters
        ----------
        font: QFont
            Font object.
        color_scheme: str
            Name of the color scheme to use.
        """
        self.color_scheme = color_scheme
        self.font = font

        for editor in self.editors:
            editor.set_font(font)
            editor.set_color_scheme(color_scheme)

    def move_tab(self, index_from, index_to):
        """
        Move tab.

        Parameters
        ----------
        index_from: int
            Move tab from this index.
        index_to: int
            Move tab to this index.

        Notes
        -----
        Tabs themselves have already been moved by the history.tabwidget.
        """
        filename = self.filenames.pop(index_from)
        editor = self.editors.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.editors.insert(index_to, editor)

    def get_filename_text(self, filename):
        """
        Read and return content from filename.

        Parameters
        ----------
        filename: str
            The file path to read.

        Returns
        -------
        str
            Content of the filename.
        """
        # Avoid a possible error when reading the history file
        try:
            text, _ = encoding.read(filename)
        except (IOError, OSError):
            text = "# Previous history could not be read from disk, sorry\n\n"

        text = normalize_eols(text)
        linebreaks = [m.start() for m in re.finditer('\n', text)]

        if len(linebreaks) > MAX_LINES:
            text = text[linebreaks[-MAX_LINES - 1] + 1:]
            # Avoid an error when trying to write the trimmed text to disk.
            # See spyder-ide/spyder#9093.
            try:
                encoding.write(text, filename)
            except (IOError, OSError):
                pass

        return text

    def add_history(self, filename):
        """
        Create a history tab for `filename`.

        Parameters
        ----------
        filename: str
            History filename.
        """

        filename = encoding.to_unicode_from_fs(filename)
        if filename in self.filenames:
            return

        # Widgets
        editor = SimpleCodeEditor(self)

        # Setup
        language = 'py' if osp.splitext(filename)[1] == '.py' else 'bat'
        editor.setup_editor(
            linenumbers=self.get_option('line_numbers'),
            language=language,
            color_scheme=self.get_option('color_scheme_name'),
            font=self.font,
            wrap=self.get_option('wrap'),
        )
        editor.setReadOnly(True)
        editor.set_text(self.get_filename_text(filename))
        editor.set_cursor_position('eof')
        self.find_widget.set_editor(editor)

        index = self.tabwidget.addTab(editor, osp.basename(filename))
        self.filenames.append(filename)
        self.editors.append(editor)
        self.tabwidget.setCurrentIndex(index)
        self.tabwidget.setTabToolTip(index, filename)

        # Signals
        editor.sig_focus_changed.connect(lambda: self.sig_focus_changed.emit())

    @Slot(str, str)
    def append_to_history(self, filename, command):
        """
        Append command to history tab.

        Parameters
        ----------
        filename: str
            History file.
        command: str
            Command to append to history file.
        """
        if not is_text_string(filename):  # filename is a QString
            filename = to_text_string(filename.toUtf8(), 'utf-8')

        index = self.filenames.index(filename)
        command = to_text_string(command)
        self.editors[index].append(command)

        if self.get_option('go_to_eof'):
            self.editors[index].set_cursor_position('eof')

        self.tabwidget.setCurrentIndex(index)

    def refresh(self):
        """Refresh widget and update find widget on current editor."""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None

        self.find_widget.set_editor(editor)
Exemplo n.º 7
0
class HistoryLog(SpyderPluginWidget):
    """History log plugin."""

    CONF_SECTION = 'historylog'
    CONFIGWIDGET_CLASS = HistoryConfigPage
    focus_changed = Signal()

    def __init__(self, parent):
        """Initialize plugin and create History main widget."""
        SpyderPluginWidget.__init__(self, parent)

        self.tabwidget = None
        self.dockviewer = None
        self.wrap_action = None
        self.linenumbers_action = None

        self.editors = []
        self.filenames = []

        # Initialize plugin actions, toolbutton and general signals
        self.initialize_plugin()

        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.plugin_actions)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        # Menu as corner widget
        self.tabwidget.setCornerWidget(self.options_button)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts(self.find_widget)

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

    #------ SpyderPluginWidget API ---------------------------------------------
    def get_plugin_title(self):
        """Return widget title."""
        return _('History log')

    def get_plugin_icon(self):
        """Return widget icon."""
        return ima.icon('history')

    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        return True

    def refresh_plugin(self):
        """Refresh tabwidget"""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None
        self.find_widget.set_editor(editor)

    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        self.history_action = create_action(
            self,
            _("History..."),
            None,
            ima.icon('history'),
            _("Set history maximum entries"),
            triggered=self.change_history_depth)
        self.wrap_action = create_action(self,
                                         _("Wrap lines"),
                                         toggled=self.toggle_wrap_mode)
        self.wrap_action.setChecked(self.get_option('wrap'))
        self.linenumbers_action = create_action(
            self, _("Show line numbers"), toggled=self.toggle_line_numbers)
        self.linenumbers_action.setChecked(self.get_option('line_numbers'))

        menu_actions = [
            self.history_action, self.wrap_action, self.linenumbers_action
        ]
        return menu_actions

    def on_first_registration(self):
        """Action to be performed on first plugin registration"""
        self.main.tabify_plugins(self.main.ipyconsole, self)

    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.main.add_dockwidget(self)
        #        self.main.console.set_historylog(self)
        self.main.console.shell.refresh.connect(self.refresh_plugin)

    def update_font(self):
        """Update font from Preferences"""
        color_scheme = self.get_color_scheme()
        font = self.get_plugin_font()
        for editor in self.editors:
            editor.set_font(font, color_scheme)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        color_scheme_n = 'color_scheme_name'
        color_scheme_o = self.get_color_scheme()
        font_n = 'plugin_font'
        font_o = self.get_plugin_font()
        wrap_n = 'wrap'
        wrap_o = self.get_option(wrap_n)
        self.wrap_action.setChecked(wrap_o)
        linenb_n = 'line_numbers'
        linenb_o = self.get_option(linenb_n)
        for editor in self.editors:
            if font_n in options:
                scs = color_scheme_o if color_scheme_n in options else None
                editor.set_font(font_o, scs)
            elif color_scheme_n in options:
                editor.set_color_scheme(color_scheme_o)
            if wrap_n in options:
                editor.toggle_wrap_mode(wrap_o)
            if linenb_n in options:
                editor.toggle_line_numbers(linenumbers=linenb_o, markers=False)

    #------ Private API --------------------------------------------------------
    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget)
        """
        filename = self.filenames.pop(index_from)
        editor = self.editors.pop(index_from)

        self.filenames.insert(index_to, filename)
        self.editors.insert(index_to, editor)

    #------ Public API ---------------------------------------------------------
    def add_history(self, filename):
        """
        Add new history tab
        Slot for add_history signal emitted by shell instance
        """
        filename = encoding.to_unicode_from_fs(filename)
        if filename in self.filenames:
            return
        editor = codeeditor.CodeEditor(self)
        if osp.splitext(filename)[1] == '.py':
            language = 'py'
        else:
            language = 'bat'
        editor.setup_editor(linenumbers=self.get_option('line_numbers'),
                            language=language,
                            scrollflagarea=False)
        editor.focus_changed.connect(lambda: self.focus_changed.emit())
        editor.setReadOnly(True)
        color_scheme = self.get_color_scheme()
        editor.set_font(self.get_plugin_font(), color_scheme)
        editor.toggle_wrap_mode(self.get_option('wrap'))

        # Avoid a possible error when reading the history file
        try:
            text, _ = encoding.read(filename)
        except (IOError, OSError):
            text = "# Previous history could not be read from disk, sorry\n\n"
        text = normalize_eols(text)
        linebreaks = [m.start() for m in re.finditer('\n', text)]
        maxNline = self.get_option('max_entries')
        if len(linebreaks) > maxNline:
            text = text[linebreaks[-maxNline - 1] + 1:]
            # Avoid an error when trying to write the trimmed text to
            # disk.
            # See issue 9093
            try:
                encoding.write(text, filename)
            except (IOError, OSError):
                pass
        editor.set_text(text)
        editor.set_cursor_position('eof')

        self.editors.append(editor)
        self.filenames.append(filename)
        index = self.tabwidget.addTab(editor, osp.basename(filename))
        self.find_widget.set_editor(editor)
        self.tabwidget.setTabToolTip(index, filename)
        self.tabwidget.setCurrentIndex(index)

    @Slot(str, str)
    def append_to_history(self, filename, command):
        """
        Append an entry to history filename
        Slot for append_to_history signal emitted by shell instance
        """
        if not is_text_string(filename):  # filename is a QString
            filename = to_text_string(filename.toUtf8(), 'utf-8')
        command = to_text_string(command)
        index = self.filenames.index(filename)
        self.editors[index].append(command)
        if self.get_option('go_to_eof'):
            self.editors[index].set_cursor_position('eof')
        self.tabwidget.setCurrentIndex(index)

    @Slot()
    def change_history_depth(self):
        "Change history max entries" ""
        depth, valid = QInputDialog.getInt(self, _('History'),
                                           _('Maximum entries'),
                                           self.get_option('max_entries'), 10,
                                           10000)
        if valid:
            self.set_option('max_entries', depth)

    @Slot(bool)
    def toggle_wrap_mode(self, checked):
        """Toggle wrap mode"""
        if self.tabwidget is None:
            return
        for editor in self.editors:
            editor.toggle_wrap_mode(checked)
        self.set_option('wrap', checked)

    @Slot(bool)
    def toggle_line_numbers(self, checked):
        """Toggle line numbers."""
        if self.tabwidget is None:
            return
        for editor in self.editors:
            editor.toggle_line_numbers(linenumbers=checked, markers=False)
        self.set_option('line_numbers', checked)
Exemplo n.º 8
0
class NotebookPlugin(SpyderPluginWidget):
    """IPython Notebook plugin."""

    CONF_SECTION = 'notebook'
    focus_changed = Signal()

    def __init__(self, parent, testing=False):
        """Constructor."""
        if testing:
            self.CONF_FILE = False

        SpyderPluginWidget.__init__(self, parent)
        self.testing = testing

        self.fileswitcher_dlg = None
        self.tabwidget = None
        self.menu_actions = None

        self.main = parent

        self.clients = []
        self.untitled_num = 0
        self.recent_notebooks = self.get_option('recent_notebooks', default=[])
        self.recent_notebook_menu = QMenu(_("Open recent"), self)
        self.options_menu = QMenu(self)

        layout = QVBoxLayout()

        new_notebook_btn = create_toolbutton(self,
                                             icon=ima.icon('options_more'),
                                             tip=_('Open a new notebook'),
                                             triggered=self.create_new_client)
        menu_btn = create_toolbutton(self,
                                     icon=ima.icon('tooloptions'),
                                     tip=_('Options'))

        menu_btn.setMenu(self.options_menu)
        menu_btn.setPopupMode(menu_btn.InstantPopup)
        corner_widgets = {Qt.TopRightCorner: [new_notebook_btn, menu_btn]}
        self.tabwidget = Tabs(self,
                              menu=self.options_menu,
                              actions=self.menu_actions,
                              corner_widgets=corner_widgets)

        if hasattr(self.tabwidget, 'setDocumentMode') \
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        self.tabwidget.set_close_function(self.close_client)

        layout.addWidget(self.tabwidget)
        self.setLayout(layout)

    # ------ SpyderPluginMixin API --------------------------------------------
    def on_first_registration(self):
        """Action to be performed on first plugin registration."""
        self.main.tabify_plugins(self.main.editor, self)

    def update_font(self):
        """Update font from Preferences."""
        # For now we're passing. We need to create an nbextension for
        # this.
        pass

    # ------ SpyderPluginWidget API -------------------------------------------
    def get_plugin_title(self):
        """Return widget title."""
        title = _('Notebook')
        return title

    def get_plugin_icon(self):
        """Return widget icon."""
        return ima.icon('ipython_console')

    def get_focus_widget(self):
        """Return the widget to give focus to."""
        client = self.tabwidget.currentWidget()
        if client is not None:
            return client.notebookwidget

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed."""
        for cl in self.clients:
            cl.close()
        self.set_option('recent_notebooks', self.recent_notebooks)
        return True

    def refresh_plugin(self):
        """Refresh tabwidget."""
        nb = None
        if self.tabwidget.count():
            client = self.tabwidget.currentWidget()
            nb = client.notebookwidget
            nb.setFocus()
        else:
            nb = None
        self.update_notebook_actions()

    def get_plugin_actions(self):
        """Return a list of actions related to plugin."""
        create_nb_action = create_action(self,
                                         _("New notebook"),
                                         icon=ima.icon('filenew'),
                                         triggered=self.create_new_client)
        self.save_as_action = create_action(self,
                                            _("Save as..."),
                                            icon=ima.icon('filesaveas'),
                                            triggered=self.save_as)
        open_action = create_action(self,
                                    _("Open..."),
                                    icon=ima.icon('fileopen'),
                                    triggered=self.open_notebook)
        self.open_console_action = create_action(
            self,
            _("Open console"),
            icon=ima.icon('ipython_console'),
            triggered=self.open_console)
        self.clear_recent_notebooks_action =\
            create_action(self, _("Clear this list"),
                          triggered=self.clear_recent_notebooks)
        # Plugin actions
        self.menu_actions = [
            create_nb_action, open_action, self.recent_notebook_menu,
            MENU_SEPARATOR, self.save_as_action, MENU_SEPARATOR,
            self.open_console_action
        ]
        self.setup_menu_actions()

        return self.menu_actions

    def register_plugin(self):
        """Register plugin in Spyder's main window."""
        super(NotebookPlugin, self).register_plugin()
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.ipyconsole = self.main.ipyconsole
        self.create_new_client(give_focus=False)

        # Connect to switcher
        self.switcher = self.main.switcher
        self.switcher.sig_mode_selected.connect(self.handle_switcher_modes)
        self.switcher.sig_item_selected.connect(self.handle_switcher_selection)

        self.recent_notebook_menu.aboutToShow.connect(self.setup_menu_actions)

    def check_compatibility(self):
        """Check compatibility for PyQt and sWebEngine."""
        message = ''
        value = True
        if PYQT4 or PYSIDE:
            message = _("You are working with Qt4 and in order to use this "
                        "plugin you need to have Qt5.<br><br>"
                        "Please update your Qt and/or PyQt packages to "
                        "meet this requirement.")
            value = False
        return value, message

    # ------ Public API (for clients) -----------------------------------------
    def setup_menu_actions(self):
        """Setup and update the menu actions."""
        self.recent_notebook_menu.clear()
        self.recent_notebooks_actions = []
        if self.recent_notebooks:
            for notebook in self.recent_notebooks:
                name = notebook
                action = \
                    create_action(self,
                                  name,
                                  icon=ima.icon('filenew'),
                                  triggered=lambda v,
                                  path=notebook:
                                      self.create_new_client(filename=path))
                self.recent_notebooks_actions.append(action)
            self.recent_notebooks_actions += \
                [None, self.clear_recent_notebooks_action]
        else:
            self.recent_notebooks_actions = \
                [self.clear_recent_notebooks_action]
        add_actions(self.recent_notebook_menu, self.recent_notebooks_actions)
        self.update_notebook_actions()

    def update_notebook_actions(self):
        """Update actions of the recent notebooks menu."""
        if self.recent_notebooks:
            self.clear_recent_notebooks_action.setEnabled(True)
        else:
            self.clear_recent_notebooks_action.setEnabled(False)
        client = self.get_current_client()
        if client:
            if client.get_filename() != WELCOME:
                self.save_as_action.setEnabled(True)
                self.open_console_action.setEnabled(True)
                self.options_menu.clear()
                add_actions(self.options_menu, self.menu_actions)
                return
        self.save_as_action.setEnabled(False)
        self.open_console_action.setEnabled(False)
        self.options_menu.clear()
        add_actions(self.options_menu, self.menu_actions)

    def add_to_recent(self, notebook):
        """
        Add an entry to recent notebooks.

        We only maintain the list of the 20 most recent notebooks.
        """
        if notebook not in self.recent_notebooks:
            self.recent_notebooks.insert(0, notebook)
            self.recent_notebooks = self.recent_notebooks[:20]

    def clear_recent_notebooks(self):
        """Clear the list of recent notebooks."""
        self.recent_notebooks = []
        self.setup_menu_actions()

    def get_clients(self):
        """Return notebooks list."""
        return [cl for cl in self.clients if isinstance(cl, NotebookClient)]

    def get_focus_client(self):
        """Return current notebook with focus, if any."""
        widget = QApplication.focusWidget()
        for client in self.get_clients():
            if widget is client or widget is client.notebookwidget:
                return client

    def get_current_client(self):
        """Return the currently selected notebook."""
        try:
            client = self.tabwidget.currentWidget()
        except AttributeError:
            client = None
        if client is not None:
            return client

    def get_current_nbwidget(self):
        """Return the notebookwidget of the current client."""
        client = self.get_current_client()
        if client is not None:
            return client.notebookwidget

    def get_current_client_name(self, short=False):
        """Get the current client name."""
        client = self.get_current_client()
        if client:
            if short:
                return client.get_short_name()
            else:
                return client.get_filename()

    def create_new_client(self, filename=None, give_focus=True):
        """Create a new notebook or load a pre-existing one."""
        # Generate the notebook name (in case of a new one)
        if not filename:
            if not osp.isdir(NOTEBOOK_TMPDIR):
                os.makedirs(NOTEBOOK_TMPDIR)
            nb_name = 'untitled' + str(self.untitled_num) + '.ipynb'
            filename = osp.join(NOTEBOOK_TMPDIR, nb_name)
            nb_contents = nbformat.v4.new_notebook()
            nbformat.write(nb_contents, filename)
            self.untitled_num += 1

        # Save spyder_pythonpath before creating a client
        # because it's needed by our kernel spec.
        if not self.testing:
            self.set_option('main/spyder_pythonpath',
                            self.main.get_spyder_pythonpath())

        # Open the notebook with nbopen and get the url we need to render
        try:
            server_info = nbopen(filename)
        except (subprocess.CalledProcessError, NBServerError):
            QMessageBox.critical(
                self, _("Server error"),
                _("The Jupyter Notebook server failed to start or it is "
                  "taking too much time to do it. Please start it in a "
                  "system terminal with the command 'jupyter notebook' to "
                  "check for errors."))
            # Create a welcome widget
            # See issue 93
            self.untitled_num -= 1
            self.create_welcome_client()
            return

        welcome_client = self.create_welcome_client()
        client = NotebookClient(self, filename)
        self.add_tab(client)
        if NOTEBOOK_TMPDIR not in filename:
            self.add_to_recent(filename)
            self.setup_menu_actions()
        client.register(server_info)
        client.load_notebook()
        if welcome_client and not self.testing:
            self.tabwidget.setCurrentIndex(0)

    def close_client(self, index=None, client=None, save=False):
        """Close client tab from index or widget (or close current tab)."""
        if not self.tabwidget.count():
            return
        if client is not None:
            index = self.tabwidget.indexOf(client)
        if index is None and client is None:
            index = self.tabwidget.currentIndex()
        if index is not None:
            client = self.tabwidget.widget(index)

        is_welcome = client.get_filename() == WELCOME
        if not save and not is_welcome:
            client.save()
            wait_save = QEventLoop()
            QTimer.singleShot(1000, wait_save.quit)
            wait_save.exec_()
            path = client.get_filename()
            fname = osp.basename(path)
            nb_contents = nbformat.read(path, as_version=4)

            if ('untitled' in fname and len(nb_contents['cells']) > 0
                    and len(nb_contents['cells'][0]['source']) > 0):
                buttons = QMessageBox.Yes | QMessageBox.No
                answer = QMessageBox.question(
                    self, self.get_plugin_title(),
                    _("<b>{0}</b> has been modified."
                      "<br>Do you want to "
                      "save changes?".format(fname)), buttons)
                if answer == QMessageBox.Yes:
                    self.save_as(close=True)
        if not is_welcome:
            client.shutdown_kernel()
        client.close()

        # Delete notebook file if it is in temporary directory
        filename = client.get_filename()
        if filename.startswith(get_temp_dir()):
            try:
                os.remove(filename)
            except EnvironmentError:
                pass

        # Note: notebook index may have changed after closing related widgets
        self.tabwidget.removeTab(self.tabwidget.indexOf(client))
        self.clients.remove(client)

        self.create_welcome_client()

    def create_welcome_client(self):
        """Create a welcome client with some instructions."""
        if self.tabwidget.count() == 0:
            welcome = open(WELCOME).read()
            client = NotebookClient(self, WELCOME, ini_message=welcome)
            self.add_tab(client)
            return client

    def save_as(self, name=None, close=False):
        """Save notebook as."""
        current_client = self.get_current_client()
        current_client.save()
        original_path = current_client.get_filename()
        if not name:
            original_name = osp.basename(original_path)
        else:
            original_name = name
        filename, _selfilter = getsavefilename(self, _("Save notebook"),
                                               original_name, FILES_FILTER)
        if filename:
            nb_contents = nbformat.read(original_path, as_version=4)
            nbformat.write(nb_contents, filename)
            if not close:
                self.close_client(save=True)
            self.create_new_client(filename=filename)

    def open_notebook(self, filenames=None):
        """Open a notebook from file."""
        if not filenames:
            filenames, _selfilter = getopenfilenames(self, _("Open notebook"),
                                                     '', FILES_FILTER)
        if filenames:
            for filename in filenames:
                self.create_new_client(filename=filename)

    def open_console(self, client=None):
        """Open an IPython console for the given client or the current one."""
        if not client:
            client = self.get_current_client()
        if self.ipyconsole is not None:
            kernel_id = client.get_kernel_id()
            if not kernel_id:
                QMessageBox.critical(
                    self, _('Error opening console'),
                    _('There is no kernel associated to this notebook.'))
                return
            self.ipyconsole._create_client_for_kernel(kernel_id, None, None,
                                                      None)
            ipyclient = self.ipyconsole.get_current_client()
            ipyclient.allow_rename = False
            self.ipyconsole.rename_client_tab(ipyclient,
                                              client.get_short_name())

    # ------ Public API (for tabs) --------------------------------------------
    def add_tab(self, widget):
        """Add tab."""
        self.clients.append(widget)
        index = self.tabwidget.addTab(widget, widget.get_short_name())
        self.tabwidget.setCurrentIndex(index)
        self.tabwidget.setTabToolTip(index, widget.get_filename())
        if self.dockwidget:
            self.switch_to_plugin()
        self.activateWindow()

    def move_tab(self, index_from, index_to):
        """Move tab."""
        client = self.clients.pop(index_from)
        self.clients.insert(index_to, client)

    # ------ Public API (for FileSwitcher) ------------------------------------
    def handle_switcher_modes(self, mode):
        """
        Populate switcher with opened notebooks.

        List the file names of the opened notebooks with their directories in
        the switcher. Only handle file mode, where `mode` is empty string.
        """
        if mode != '':
            return

        paths = [client.get_filename() for client in self.clients]
        is_unsaved = [False for client in self.clients]
        short_paths = shorten_paths(paths, is_unsaved)
        icon = QIcon(os.path.join(PACKAGE_PATH, 'images', 'icon.svg'))
        section = self.get_plugin_title()

        for path, short_path, client in zip(paths, short_paths, self.clients):
            title = osp.basename(path)
            description = osp.dirname(path)
            if len(path) > 75:
                description = short_path
            is_last_item = (client == self.clients[-1])
            self.switcher.add_item(title=title,
                                   description=description,
                                   icon=icon,
                                   section=section,
                                   data=client,
                                   last_item=is_last_item)

    def handle_switcher_selection(self, item, mode, search_text):
        """
        Handle user selecting item in switcher.

        If the selected item is not in the section of the switcher that
        corresponds to this plugin, then ignore it. Otherwise, switch to
        selected item in notebook plugin and hide the switcher.
        """
        if item.get_section() != self.get_plugin_title():
            return

        client = item.get_data()
        index = self.clients.index(client)
        self.tabwidget.setCurrentIndex(index)
        self.switch_to_plugin()
        self.switcher.hide()
Exemplo n.º 9
0
class ExternalConsole(SpyderPluginWidget):
    """
    Console widget
    """
    CONF_SECTION = 'console'
    CONFIGWIDGET_CLASS = ExternalConsoleConfigPage
    DISABLE_ACTIONS_WHEN_HIDDEN = False

    edit_goto = Signal((str, int, str), (str, int, str, bool))
    focus_changed = Signal()
    redirect_stdio = Signal(bool)

    def __init__(self, parent):
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main = parent)
        else:
            SpyderPluginWidget.__init__(self, parent)
        self.tabwidget = None
        self.menu_actions = None

        self.help = None # Help plugin
        self.historylog = None # History log plugin
        self.variableexplorer = None # Variable explorer plugin

        self.python_count = 0
        self.terminal_count = 0
        
        # Python startup file selection
        if not osp.isfile(self.get_option('pythonstartup', '')):
            self.set_option('pythonstartup', SCIENTIFIC_STARTUP)
        # default/custom settings are mutually exclusive:
        self.set_option('pythonstartup/custom',
                        not self.get_option('pythonstartup/default'))

        self.shellwidgets = []
        self.filenames = []
        self.icons = []
        self.runfile_args = ""
        
        # Initialize plugin
        self.initialize_plugin()
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        if hasattr(self.tabwidget, 'setDocumentMode')\
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)
        self.main.sig_pythonpath_changed.connect(self.set_path)
                     
        self.tabwidget.set_close_function(self.close_console)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)
        
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts(self.find_widget)

        layout.addWidget(self.find_widget)

        self.setLayout(layout)

        # Accepting drops
        self.setAcceptDrops(True)

    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget)
        """
        filename = self.filenames.pop(index_from)
        shell = self.shellwidgets.pop(index_from)
        icons = self.icons.pop(index_from)
        
        self.filenames.insert(index_to, filename)
        self.shellwidgets.insert(index_to, shell)
        self.icons.insert(index_to, icons)
        self.update_plugin_title.emit()

    def get_shell_index_from_id(self, shell_id):
        """Return shellwidget index from id"""
        for index, shell in enumerate(self.shellwidgets):
            if id(shell) == shell_id:
                return index

    def close_console(self, index=None):
        """Close console tab from index or widget (or close current tab)"""
        # Get tab index
        if not self.tabwidget.count():
            return
        if index is None:
            index = self.tabwidget.currentIndex()

        # Closing logic
        self.tabwidget.widget(index).close()
        self.tabwidget.removeTab(index)
        self.filenames.pop(index)
        self.shellwidgets.pop(index)
        self.icons.pop(index)
        self.update_plugin_title.emit()

    def set_variableexplorer(self, variableexplorer):
        """Set variable explorer plugin"""
        self.variableexplorer = variableexplorer
    
    def set_path(self):
        """Set consoles PYTHONPATH if changed by the user"""
        from spyder.widgets.externalshell import pythonshell
        for sw in self.shellwidgets:
            if isinstance(sw, pythonshell.ExternalPythonShell):
                if sw.is_interpreter and sw.is_running():
                    sw.path = self.main.get_spyder_pythonpath()
                    sw.shell.path = sw.path
        
    def __find_python_shell(self, interpreter_only=False):
        current_index = self.tabwidget.currentIndex()
        if current_index == -1:
            return
        from spyder.widgets.externalshell import pythonshell
        for index in [current_index]+list(range(self.tabwidget.count())):
            shellwidget = self.tabwidget.widget(index)
            if isinstance(shellwidget, pythonshell.ExternalPythonShell):
                if interpreter_only and not shellwidget.is_interpreter:
                    continue
                elif not shellwidget.is_running():
                    continue
                else:
                    self.tabwidget.setCurrentIndex(index)
                    return shellwidget

    def get_current_shell(self):
        """
        Called by Help to retrieve the current shell instance
        """
        shellwidget = self.__find_python_shell()
        return shellwidget.shell

    def get_running_python_shell(self):
        """
        Called by Help to retrieve a running Python shell instance
        """
        current_index = self.tabwidget.currentIndex()
        if current_index == -1:
            return
        from spyder.widgets.externalshell import pythonshell
        shellwidgets = [self.tabwidget.widget(index)
                        for index in range(self.tabwidget.count())]
        shellwidgets = [_w for _w in shellwidgets
                        if isinstance(_w, pythonshell.ExternalPythonShell) \
                        and _w.is_running()]
        if shellwidgets:
            # First, iterate on interpreters only:
            for shellwidget in shellwidgets:
                if shellwidget.is_interpreter:
                    return shellwidget.shell
            else:
                return shellwidgets[0].shell
        
    def run_script_in_current_shell(self, filename, wdir, args, debug, 
                  post_mortem):
        """Run script in current shell, if any"""
        norm = lambda text: remove_backslashes(to_text_string(text))
        line = "%s('%s'" % ('debugfile' if debug else 'runfile',
                            norm(filename))
        if args:
            line += ", args='%s'" % norm(args)
        if wdir:
            line += ", wdir='%s'" % norm(wdir)
        if post_mortem:
            line += ', post_mortem=True'
        line += ")"
        if not self.execute_code(line, interpreter_only=True):
            QMessageBox.warning(self, _('Warning'),
                _("No Python console is currently selected to run <b>%s</b>."
                  "<br><br>Please select or open a new Python console "
                  "and try again."
                  ) % osp.basename(norm(filename)), QMessageBox.Ok)
        else:
            self.visibility_changed(True)
            self.raise_()            
            
    def set_current_shell_working_directory(self, directory):
        """Set current shell working directory"""
        shellwidget = self.__find_python_shell()
        if shellwidget is not None:
            directory = encoding.to_unicode_from_fs(directory)
            shellwidget.shell.set_cwd(directory)

    def execute_code(self, lines, interpreter_only=False):
        """Execute code in an already opened Python interpreter"""
        shellwidget = self.__find_python_shell(
                                        interpreter_only=interpreter_only)
        if shellwidget is not None:
            shellwidget.shell.execute_lines(to_text_string(lines))
            self.activateWindow()
            shellwidget.shell.setFocus()
            return True
        else:
            return False

    def pdb_has_stopped(self, fname, lineno, shellwidget):
        """Python debugger has just stopped at frame (fname, lineno)"""
        # This is a unique form of the edit_goto signal that is intended to
        # prevent keyboard input from accidentally entering the editor
        # during repeated, rapid entry of debugging commands.
        self.edit_goto[str, int, str, bool].emit(fname, lineno, '', False)
        self.activateWindow()
        shellwidget.shell.setFocus()

    def set_spyder_breakpoints(self):
        """Set all Spyder breakpoints into all shells"""
        for shellwidget in self.shellwidgets:
            shellwidget.shell.set_spyder_breakpoints()

    def start(self, fname, wdir=None, args='', interact=False, debug=False,
              python=True, python_args='', post_mortem=True):
        """
        Start new console

        fname:
          string: filename of script to run
          None: open an interpreter
        wdir: working directory
        args: command line options of the Python script
        interact: inspect script interactively after its execution
        debug: run pdb
        python: True: Python interpreter, False: terminal
        python_args: additionnal Python interpreter command line options
                   (option "-u" is mandatory, see widgets.externalshell package)
        """
        # Note: fname is None <=> Python interpreter
        if fname is not None and not is_text_string(fname):
            fname = to_text_string(fname)
        if wdir is not None and not is_text_string(wdir):
            wdir = to_text_string(wdir)
        
        if fname is not None and fname in self.filenames:
            index = self.filenames.index(fname)
            if self.get_option('single_tab'):
                old_shell = self.shellwidgets[index]
                if old_shell.is_running():
                    runconfig = get_run_configuration(fname)
                    if runconfig is None or runconfig.show_kill_warning:
                        answer = QMessageBox.question(self, self.get_plugin_title(),
                            _("%s is already running in a separate process.\n"
                              "Do you want to kill the process before starting "
                              "a new one?") % osp.basename(fname),
                            QMessageBox.Yes | QMessageBox.Cancel)
                    else:
                        answer = QMessageBox.Yes

                    if answer == QMessageBox.Yes:
                        old_shell.process.kill()
                        old_shell.process.waitForFinished()
                    else:
                        return
                self.close_console(index)
        else:
            index = self.tabwidget.count()

        # Creating a new external shell
        pythonpath = self.main.get_spyder_pythonpath()
        light_background = self.get_option('light_background')
        show_elapsed_time = self.get_option('show_elapsed_time')
        if python:
            if CONF.get('main_interpreter', 'default'):
                pythonexecutable = get_python_executable()
                external_interpreter = False
            else:
                pythonexecutable = CONF.get('main_interpreter', 'executable')
                external_interpreter = True
            if self.get_option('pythonstartup/default'):
                pythonstartup = None
            else:
                pythonstartup = self.get_option('pythonstartup', None)
            monitor_enabled = self.get_option('monitor/enabled')
            mpl_backend = self.get_option('matplotlib/backend/value')
            ets_backend = self.get_option('ets_backend')
            qt_api = self.get_option('qt/api')
            if qt_api not in ('pyqt', 'pyside', 'pyqt5'):
                qt_api = None
            merge_output_channels = self.get_option('merge_output_channels')
            colorize_sys_stderr = self.get_option('colorize_sys_stderr')
            umr_enabled = CONF.get('main_interpreter', 'umr/enabled')
            umr_namelist = CONF.get('main_interpreter', 'umr/namelist')
            umr_verbose = CONF.get('main_interpreter', 'umr/verbose')
            ar_timeout = CONF.get('variable_explorer', 'autorefresh/timeout')
            ar_state = CONF.get('variable_explorer', 'autorefresh')

            sa_settings = None
            shellwidget = ExternalPythonShell(self, fname, wdir,
                           interact, debug, post_mortem=post_mortem,
                           path=pythonpath,
                           python_args=python_args,
                           arguments=args, stand_alone=sa_settings,
                           pythonstartup=pythonstartup,
                           pythonexecutable=pythonexecutable,
                           external_interpreter=external_interpreter,
                           umr_enabled=umr_enabled, umr_namelist=umr_namelist,
                           umr_verbose=umr_verbose, ets_backend=ets_backend,
                           monitor_enabled=monitor_enabled,
                           mpl_backend=mpl_backend, qt_api=qt_api,
                           merge_output_channels=merge_output_channels,
                           colorize_sys_stderr=colorize_sys_stderr,
                           autorefresh_timeout=ar_timeout,
                           autorefresh_state=ar_state,
                           light_background=light_background,
                           menu_actions=self.menu_actions,
                           show_buttons_inside=False,
                           show_elapsed_time=show_elapsed_time)
            shellwidget.sig_pdb.connect(
                              lambda fname, lineno, shellwidget=shellwidget:
                              self.pdb_has_stopped(fname, lineno, shellwidget))
            self.register_widget_shortcuts(shellwidget.shell)
        else:
            if os.name == 'posix':
                cmd = 'gnome-terminal'
                args = []
                if programs.is_program_installed(cmd):
                    if wdir:
                        args.extend(['--working-directory=%s' % wdir])
                    programs.run_program(cmd, args)
                    return
                cmd = 'konsole'
                if programs.is_program_installed(cmd):
                    if wdir:
                        args.extend(['--workdir', wdir])
                    programs.run_program(cmd, args)
                    return
            shellwidget = ExternalSystemShell(self, wdir, path=pythonpath,
                                          light_background=light_background,
                                          menu_actions=self.menu_actions,
                                          show_buttons_inside=False,
                                          show_elapsed_time=show_elapsed_time)
        
        # Code completion / calltips
        shellwidget.shell.setMaximumBlockCount(
                                            self.get_option('max_line_count') )
        shellwidget.shell.set_font( self.get_plugin_font() )
        shellwidget.shell.toggle_wrap_mode( self.get_option('wrap') )
        shellwidget.shell.set_calltips( self.get_option('calltips') )
        shellwidget.shell.set_codecompletion_auto(
                            self.get_option('codecompletion/auto') )
        shellwidget.shell.set_codecompletion_case(
                            self.get_option('codecompletion/case_sensitive') )
        shellwidget.shell.set_codecompletion_enter(
                            self.get_option('codecompletion/enter_key') )
        if python and self.help is not None:
            shellwidget.shell.set_help(self.help)
            shellwidget.shell.set_help_enabled(
                               CONF.get('help', 'connect/python_console'))
        if self.historylog is not None:
            self.historylog.add_history(shellwidget.shell.history_filename)
            shellwidget.shell.append_to_history.connect(
                                             self.historylog.append_to_history)
            shellwidget.shell.go_to_error.connect(self.go_to_error)
            shellwidget.shell.focus_changed.connect(        
                                             lambda: self.focus_changed.emit())
        if python:
            if self.main.editor is not None:
                shellwidget.open_file.connect(self.open_file_in_spyder)
            if fname is None:
                self.python_count += 1
                tab_name = "Python %d" % self.python_count
                tab_icon1 = ima.icon('python')
                tab_icon2 = ima.icon('python_t')
            else:
                tab_name = osp.basename(fname)
                tab_icon1 = ima.icon('run')
                tab_icon2 = ima.icon('terminated')
        else:
            fname = id(shellwidget)
            if os.name == 'nt':
                tab_name = _("Command Window")
            else:
                tab_name = _("Terminal")
            self.terminal_count += 1
            tab_name += (" %d" % self.terminal_count)
            tab_icon1 = ima.icon('cmdprompt')
            tab_icon2 = ima.icon('cmdprompt_t')
        self.shellwidgets.insert(index, shellwidget)
        self.filenames.insert(index, fname)
        self.icons.insert(index, (tab_icon1, tab_icon2))
        if index is None:
            index = self.tabwidget.addTab(shellwidget, tab_name)
        else:
            self.tabwidget.insertTab(index, shellwidget, tab_name)
        
        shellwidget.started.connect(
                     lambda sid=id(shellwidget): self.process_started(sid))
        shellwidget.sig_finished.connect(
                     lambda sid=id(shellwidget): self.process_finished(sid))
        self.find_widget.set_editor(shellwidget.shell)
        self.tabwidget.setTabToolTip(index, fname if wdir is None else wdir)
        self.tabwidget.setCurrentIndex(index)
        if self.dockwidget and not self.ismaximized:
            self.dockwidget.setVisible(True)
            self.dockwidget.raise_()

        shellwidget.set_icontext_visible(self.get_option('show_icontext'))

        # Start process and give focus to console
        shellwidget.start_shell()

    def open_file_in_spyder(self, fname, lineno):
        """Open file in Spyder's editor from remote process"""
        self.main.editor.activateWindow()
        self.main.editor.raise_()
        self.main.editor.load(fname, lineno)
        
    #------ Private API -------------------------------------------------------
    def process_started(self, shell_id):
        index = self.get_shell_index_from_id(shell_id)
        shell = self.shellwidgets[index]
        icon, _icon = self.icons[index]
        self.tabwidget.setTabIcon(index, icon)
        if self.help is not None:
            self.help.set_shell(shell.shell)
        if self.variableexplorer is not None:
            self.variableexplorer.add_shellwidget(shell)

    def process_finished(self, shell_id):
        index = self.get_shell_index_from_id(shell_id)
        if index is not None:
            # Not sure why it happens, but sometimes the shellwidget has 
            # already been removed, so that's not bad if we can't change
            # the tab icon...
            _icon, icon = self.icons[index]
            self.tabwidget.setTabIcon(index, icon)
        if self.variableexplorer is not None:
            self.variableexplorer.remove_shellwidget(shell_id)
        
    #------ SpyderPluginWidget API --------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        title = _('Python console')
        if self.filenames:
            index = self.tabwidget.currentIndex()
            fname = self.filenames[index]
            if fname:
                title += ' - ' + to_text_string(fname)
        return title
    
    def get_plugin_icon(self):
        """Return widget icon"""
        return ima.icon('console')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()
        
    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        interpreter_action = create_action(self,
                            _("Open a &Python console"), None,
                            ima.icon('python'),
                            triggered=self.open_interpreter)
        if os.name == 'nt':
            text = _("Open &command prompt")
            tip = _("Open a Windows command prompt")
        else:
            text = _("Open a &terminal")
            tip = _("Open a terminal window")
        terminal_action = create_action(self, text, None, None, tip,
                                        triggered=self.open_terminal)
        run_action = create_action(self,
                            _("&Run..."), None,
                            ima.icon('run_small'), _("Run a Python script"),
                            triggered=self.run_script)

        consoles_menu_actions = [interpreter_action]
        tools_menu_actions = [terminal_action]
        self.menu_actions = [interpreter_action, terminal_action, run_action]

        self.main.consoles_menu_actions += consoles_menu_actions
        self.main.tools_menu_actions += tools_menu_actions

        return self.menu_actions+consoles_menu_actions+tools_menu_actions

    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.main.add_dockwidget(self)
        self.help = self.main.help
        self.historylog = self.main.historylog
        self.edit_goto.connect(self.main.editor.load)
        self.edit_goto[str, int, str, bool].connect(
                        lambda fname, lineno, word, processevents:
                        self.main.editor.load(fname, lineno, word,
                                            processevents=processevents))
        self.main.editor.run_in_current_extconsole.connect(
                        self.run_script_in_current_shell)
        self.main.editor.breakpoints_saved.connect(
                        self.set_spyder_breakpoints)
        self.main.editor.open_dir.connect(
                        self.set_current_shell_working_directory)
        self.main.workingdirectory.set_current_console_wd.connect(
                        self.set_current_shell_working_directory)
        self.focus_changed.connect(
                        self.main.plugin_focus_changed)
        self.redirect_stdio.connect(
                        self.main.redirect_internalshell_stdio)
        expl = self.main.explorer
        if expl is not None:
            expl.open_terminal.connect(self.open_terminal)
            expl.open_interpreter.connect(self.open_interpreter)
        pexpl = self.main.projects
        if pexpl is not None:
            pexpl.open_terminal.connect(self.open_terminal)
            pexpl.open_interpreter.connect(self.open_interpreter)

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        for shellwidget in self.shellwidgets:
            shellwidget.close()
        return True

    def restart(self):
        """
        Restart the console

        This is needed when we switch project to update PYTHONPATH
        and the selected interpreter
        """
        self.python_count = 0
        for i in range(len(self.shellwidgets)):
            self.close_console()
        self.open_interpreter()

    def refresh_plugin(self):
        """Refresh tabwidget"""
        shellwidget = None
        if self.tabwidget.count():
            shellwidget = self.tabwidget.currentWidget()
            editor = shellwidget.shell
            editor.setFocus()
            widgets = [shellwidget.create_time_label(), 5
                       ]+shellwidget.get_toolbar_buttons()+[5]
        else:
            editor = None
            widgets = []
        self.find_widget.set_editor(editor)
        self.tabwidget.set_corner_widgets({Qt.TopRightCorner: widgets})
        if shellwidget:
            shellwidget.update_time_label_visibility()
            self.variableexplorer.set_shellwidget_from_id(id(shellwidget))
            self.help.set_shell(shellwidget.shell)
        self.main.last_console_plugin_focus_was_python = True
        self.update_plugin_title.emit()

    def update_font(self):
        """Update font from Preferences"""
        font = self.get_plugin_font()
        for shellwidget in self.shellwidgets:
            shellwidget.shell.set_font(font)
            completion_size = CONF.get('main', 'completion/size')
            comp_widget = shellwidget.shell.completion_widget
            comp_widget.setup_appearance(completion_size, font)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        showtime_n = 'show_elapsed_time'
        showtime_o = self.get_option(showtime_n)
        icontext_n = 'show_icontext'
        icontext_o = self.get_option(icontext_n)
        calltips_n = 'calltips'
        calltips_o = self.get_option(calltips_n)
        help_n = 'connect_to_oi'
        help_o = CONF.get('help', 'connect/python_console')
        wrap_n = 'wrap'
        wrap_o = self.get_option(wrap_n)
        compauto_n = 'codecompletion/auto'
        compauto_o = self.get_option(compauto_n)
        case_comp_n = 'codecompletion/case_sensitive'
        case_comp_o = self.get_option(case_comp_n)
        compenter_n = 'codecompletion/enter_key'
        compenter_o = self.get_option(compenter_n)
        mlc_n = 'max_line_count'
        mlc_o = self.get_option(mlc_n)
        for shellwidget in self.shellwidgets:
            if showtime_n in options:
                shellwidget.set_elapsed_time_visible(showtime_o)
            if icontext_n in options:
                shellwidget.set_icontext_visible(icontext_o)
            if calltips_n in options:
                shellwidget.shell.set_calltips(calltips_o)
            if help_n in options:
                if isinstance(shellwidget, ExternalPythonShell):
                    shellwidget.shell.set_help_enabled(help_o)
            if wrap_n in options:
                shellwidget.shell.toggle_wrap_mode(wrap_o)
            if compauto_n in options:
                shellwidget.shell.set_codecompletion_auto(compauto_o)
            if case_comp_n in options:
                shellwidget.shell.set_codecompletion_case(case_comp_o)
            if compenter_n in options:
                shellwidget.shell.set_codecompletion_enter(compenter_o)
            if mlc_n in options:
                shellwidget.shell.setMaximumBlockCount(mlc_o)
    
    #------ SpyderPluginMixin API ---------------------------------------------
    def toggle_view(self, checked):
        """Toggle view"""
        if checked:
            self.dockwidget.show()
            self.dockwidget.raise_()
            # Start a console in case there are none shown
            from spyder.widgets.externalshell import pythonshell
            consoles = None
            for sw in self.shellwidgets:
                if isinstance(sw, pythonshell.ExternalPythonShell):
                    consoles = True
                    break
            if not consoles:
                self.open_interpreter()
        else:
            self.dockwidget.hide()

    #------ Public API ---------------------------------------------------------
    @Slot(bool)
    @Slot(str)
    def open_interpreter(self, wdir=None):
        """Open interpreter"""
        if not wdir:
            wdir = getcwd()
        self.visibility_changed(True)
        self.start(fname=None, wdir=to_text_string(wdir), args='',
                   interact=True, debug=False, python=True)

    @Slot(bool)
    @Slot(str)
    def open_terminal(self, wdir=None):
        """Open terminal"""
        if not wdir:
            wdir = getcwd()
        self.start(fname=None, wdir=to_text_string(wdir), args='',
                   interact=True, debug=False, python=False)

    @Slot()
    def run_script(self):
        """Run a Python script"""
        self.redirect_stdio.emit(False)
        filename, _selfilter = getopenfilename(self, _("Run Python script"),
                getcwd(), _("Python scripts")+" (*.py ; *.pyw ; *.ipy)")
        self.redirect_stdio.emit(True)
        if filename:
            self.start(fname=filename, wdir=None, args='',
                       interact=False, debug=False)

    def go_to_error(self, text):
        """Go to error if relevant"""
        match = get_error_match(to_text_string(text))
        if match:
            fname, lnb = match.groups()
            self.edit_goto.emit(osp.abspath(fname), int(lnb), '')
            
    #----Drag and drop
    def dragEnterEvent(self, event):
        """Reimplement Qt method
        Inform Qt about the types of data that the widget accepts"""
        source = event.mimeData()
        if source.hasUrls():
            if mimedata2url(source):
                pathlist = mimedata2url(source)
                shellwidget = self.tabwidget.currentWidget()
                if all([is_python_script(to_text_string(qstr))
                        for qstr in pathlist]):
                    event.acceptProposedAction()
                elif shellwidget is None or not shellwidget.is_running():
                    event.ignore()
                else:
                    event.acceptProposedAction()
            else:
                event.ignore()
        elif source.hasText():
            event.acceptProposedAction()            
            
    def dropEvent(self, event):
        """Reimplement Qt method
        Unpack dropped data and handle it"""
        source = event.mimeData()
        shellwidget = self.tabwidget.currentWidget()
        if source.hasText():
            qstr = source.text()
            if is_python_script(to_text_string(qstr)):
                self.start(qstr)
            elif shellwidget:
                shellwidget.shell.insert_text(qstr)
        elif source.hasUrls():
            pathlist = mimedata2url(source)
            if all([is_python_script(to_text_string(qstr)) 
                    for qstr in pathlist]):
                for fname in pathlist:
                    self.start(fname)
            elif shellwidget:
                shellwidget.shell.drop_pathlist(pathlist)
        event.acceptProposedAction()
Exemplo n.º 10
0
class TerminalPlugin(SpyderPluginWidget):
    """Terminal plugin."""

    CONF_SECTION = 'terminal'
    focus_changed = Signal()

    def __init__(self, parent):
        """Widget constructor."""
        SpyderPluginWidget.__init__(self, parent)
        self.tab_widget = None
        self.menu_actions = None
        self.port = select_port(default_port=8070)
        self.server = subprocess.Popen([
            sys.executable,
            osp.join(LOCATION, 'server', 'main.py'), '--port',
            str(self.port)
        ],
                                       stdout=subprocess.PIPE,
                                       stderr=subprocess.PIPE)
        time.sleep(0.5)
        self.main = parent

        self.terms = []
        self.untitled_num = 0
        self.initialize_plugin()

        layout = QVBoxLayout()
        new_term_btn = create_toolbutton(self,
                                         icon=ima.icon('project_expanded'),
                                         tip=_('Open a new terminal'),
                                         triggered=self.create_new_term)
        menu_btn = create_toolbutton(self,
                                     icon=ima.icon('tooloptions'),
                                     tip=_('Options'))
        self.menu = QMenu(self)
        menu_btn.setMenu(self.menu)
        menu_btn.setPopupMode(menu_btn.InstantPopup)
        add_actions(self.menu, self.menu_actions)
        # if self.get_option('first_time', True):
        # self.setup_shortcuts()
        # self.shortcuts = self.create_shortcuts()
        corner_widgets = {Qt.TopRightCorner: [new_term_btn, menu_btn]}
        self.tabwidget = Tabs(self,
                              menu=self.menu,
                              actions=self.menu_actions,
                              corner_widgets=corner_widgets)
        if hasattr(self.tabwidget, 'setDocumentMode') \
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        self.tabwidget.set_close_function(self.close_term)

        layout.addWidget(self.tabwidget)
        self.setLayout(layout)

        paste_shortcut = QShortcut(QKeySequence("Ctrl+Shift+T"), self,
                                   self.create_new_term)
        paste_shortcut.setContext(Qt.WidgetWithChildrenShortcut)

    # ------ SpyderPluginMixin API --------------------------------
    def on_first_registration(self):
        """Action to be performed on first plugin registration."""
        self.main.tabify_plugins(self.main.extconsole, self)

    def update_font(self):
        """Update font from Preferences."""
        font = self.get_plugin_font()
        for term in self.terms:
            term.set_font(font.family())

    # ------ SpyderPluginWidget API ------------------------------
    def get_plugin_title(self):
        """Return widget title."""
        title = _('System Terminal')
        return title

    def get_plugin_icon(self):
        """Return widget icon."""
        return ima.icon('cmdprompt')

    def get_plugin_actions(self):
        """Get plugin actions."""
        self.menu_actions = []
        return self.menu_actions

    def get_focus_widget(self):
        """
        Set focus on current selected terminal.

        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level.
        """
        term = self.tabwidget.currentWidget()
        if term is not None:
            return term.view

    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed."""
        for term in self.terms:
            term.close()
        self.server.terminate()
        return True

    def refresh_plugin(self):
        """Refresh tabwidget."""
        term = None
        if self.tabwidget.count():
            term = self.tabwidget.currentWidget()
            term.view.setFocus()
        else:
            term = None

    def register_plugin(self):
        """Register plugin in Spyder's main window."""
        self.focus_changed.connect(self.main.plugin_focus_changed)
        self.main.add_dockwidget(self)
        self.create_new_term(give_focus=False)

    # ------ Public API (for terminals) -------------------------
    def get_terms(self):
        """Return terminal list."""
        return [cl for cl in self.terms if isinstance(cl, TerminalWidget)]

    def get_focus_term(self):
        """Return current terminal with focus, if any."""
        widget = QApplication.focusWidget()
        for term in self.get_terms():
            if widget is term:
                return term

    def get_current_term(self):
        """Return the currently selected terminal."""
        try:
            terminal = self.tabwidget.currentWidget()
        except AttributeError:
            terminal = None
        if terminal is not None:
            return terminal

    def create_new_term(self, name=None, give_focus=True):
        """Add a new terminal tab."""
        font = self.get_plugin_font()
        term = TerminalWidget(self,
                              self.port,
                              path=getcwd(),
                              font=font.family())
        self.add_tab(term)

    def close_term(self, index=None, term=None):
        """Close a terminal tab."""
        if not self.tabwidget.count():
            return
        if term is not None:
            index = self.tabwidget.indexOf(term)
        if index is None and term is None:
            index = self.tabwidget.currentIndex()
        if index is not None:
            term = self.tabwidget.widget(index)

        term.close()
        self.tabwidget.removeTab(self.tabwidget.indexOf(term))
        self.terms.remove(term)
        if self.tabwidget.count() == 0:
            self.create_new_term()

    # ------ Public API (for tabs) ---------------------------
    def add_tab(self, widget):
        """Add tab."""
        self.terms.append(widget)
        num_term = self.tabwidget.count() + 1
        index = self.tabwidget.addTab(widget, "Terminal {0}".format(num_term))
        self.tabwidget.setCurrentIndex(index)
        self.tabwidget.setTabToolTip(index, "Terminal {0}".format(num_term))
        if self.dockwidget and not self.ismaximized:
            self.dockwidget.setVisible(True)
            self.dockwidget.raise_()
        self.activateWindow()
        widget.view.setFocus()

    def move_tab(self, index_from, index_to):
        """
        Move tab (tabs themselves have already been moved by the tabwidget).

        Allows to change order of tabs.
        """
        term = self.terms.pop(index_from)
        self.terms.insert(index_to, term)