class Console(SpyderPluginWidget): """ Console widget """ CONF_SECTION = 'internal_console' focus_changed = Signal() redirect_stdio = Signal(bool) edit_goto = Signal(str, int, str) def __init__(self, parent=None, namespace=None, commands=[], message=None, exitfunc=None, profile=False, multithreaded=False): if PYQT5: SpyderPluginWidget.__init__(self, parent, main = parent) else: SpyderPluginWidget.__init__(self, parent) debug_print(" ..internal console: initializing") self.dialog_manager = DialogManager() # Shell light_background = self.get_option('light_background') self.shell = InternalShell(parent, namespace, commands, message, self.get_option('max_line_count'), self.get_plugin_font(), exitfunc, profile, multithreaded, light_background=light_background) self.shell.status.connect(lambda msg: self.show_message.emit(msg, 0)) self.shell.go_to_error.connect(self.go_to_error) self.shell.focus_changed.connect(lambda: self.focus_changed.emit()) # Redirecting some signals: self.shell.redirect_stdio.connect(lambda state: self.redirect_stdio.emit(state)) # Initialize plugin self.initialize_plugin() # Find/replace widget self.find_widget = FindReplace(self) self.find_widget.set_editor(self.shell) self.find_widget.hide() self.register_widget_shortcuts("Editor", self.find_widget) # Main layout layout = QVBoxLayout() layout.addWidget(self.shell) layout.addWidget(self.find_widget) self.setLayout(layout) # Parameters self.shell.toggle_wrap_mode(self.get_option('wrap')) # Accepting drops self.setAcceptDrops(True) #------ Private API -------------------------------------------------------- def set_historylog(self, historylog): """Bind historylog instance to this console Not used anymore since v2.0""" historylog.add_history(self.shell.history_filename) self.shell.append_to_history.connect(historylog.append_to_history) def set_inspector(self, inspector): """Bind inspector instance to this console""" self.shell.inspector = inspector #------ SpyderPluginWidget API --------------------------------------------- def get_plugin_title(self): """Return widget title""" return _('Internal 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.shell def closing_plugin(self, cancelable=False): """Perform actions before parent main window is closed""" self.dialog_manager.close_all() self.shell.exit_interpreter() return True def refresh_plugin(self): pass def get_plugin_actions(self): """Return a list of actions related to plugin""" quit_action = create_action(self, _("&Quit"), icon='exit.png', tip=_("Quit"), triggered=self.quit) self.register_shortcut(quit_action, "_", "Quit", "Ctrl+Q") run_action = create_action(self, _("&Run..."), None, 'run_small.png', _("Run a Python script"), triggered=self.run_script) environ_action = create_action(self, _("Environment variables..."), icon = 'environ.png', tip=_("Show and edit environment variables" " (for current session)"), triggered=self.show_env) syspath_action = create_action(self, _("Show sys.path contents..."), icon = 'syspath.png', tip=_("Show (read-only) sys.path"), triggered=self.show_syspath) buffer_action = create_action(self, _("Buffer..."), None, tip=_("Set maximum line count"), triggered=self.change_max_line_count) font_action = create_action(self, _("&Font..."), None, 'font.png', _("Set shell font style"), triggered=self.change_font) exteditor_action = create_action(self, _("External editor path..."), None, None, _("Set external editor executable path"), triggered=self.change_exteditor) wrap_action = create_action(self, _("Wrap lines"), toggled=self.toggle_wrap_mode) wrap_action.setChecked(self.get_option('wrap')) calltips_action = create_action(self, _("Display balloon tips"), toggled=self.toggle_calltips) calltips_action.setChecked(self.get_option('calltips')) codecompletion_action = create_action(self, _("Automatic code completion"), toggled=self.toggle_codecompletion) codecompletion_action.setChecked(self.get_option('codecompletion/auto')) codecompenter_action = create_action(self, _("Enter key selects completion"), toggled=self.toggle_codecompletion_enter) codecompenter_action.setChecked(self.get_option( 'codecompletion/enter_key')) option_menu = QMenu(_("Internal console settings"), self) option_menu.setIcon(get_icon('tooloptions.png')) add_actions(option_menu, (buffer_action, font_action, wrap_action, calltips_action, codecompletion_action, codecompenter_action, exteditor_action)) plugin_actions = [None, run_action, environ_action, syspath_action, option_menu, None, quit_action] # Add actions to context menu add_actions(self.shell.menu, plugin_actions) return plugin_actions 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) # Connecting the following signal once the dockwidget has been created: self.shell.traceback_available.connect(self.traceback_available) def traceback_available(self): """Traceback is available in the internal console: showing the internal console automatically to warn the user""" if CONF.get('main', 'show_internal_console_if_traceback', False): self.dockwidget.show() self.dockwidget.raise_() #------ Public API --------------------------------------------------------- @Slot() def quit(self): """Quit mainwindow""" self.main.close() @Slot() def show_env(self): """Show environment variables""" self.dialog_manager.show(EnvDialog()) @Slot() def show_syspath(self): """Show sys.path""" editor = DictEditor() editor.setup(sys.path, title="sys.path", readonly=True, width=600, icon='syspath.png') self.dialog_manager.show(editor) @Slot() def run_script(self, filename=None, silent=False, set_focus=False, args=None): """Run a Python script""" if filename is None: self.shell.interpreter.restore_stds() filename, _selfilter = getopenfilename(self, _("Run Python script"), getcwd(), _("Python scripts")+" (*.py ; *.pyw ; *.ipy)") self.shell.interpreter.redirect_stds() if filename: os.chdir( osp.dirname(filename) ) filename = osp.basename(filename) else: return debug_print(args) filename = osp.abspath(filename) rbs = remove_backslashes command = "runfile('%s', args='%s')" % (rbs(filename), rbs(args)) if set_focus: self.shell.setFocus() if self.dockwidget and not self.ismaximized: self.dockwidget.setVisible(True) self.dockwidget.raise_() self.shell.write(command+'\n') self.shell.run_command(command) 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_script(fname, int(lnb)) def edit_script(self, filename=None, goto=-1): """Edit script""" # Called from InternalShell if not hasattr(self, 'main') \ or not hasattr(self.main, 'editor'): self.shell.external_editor(filename, goto) return if filename is not None: self.edit_goto.emit(osp.abspath(filename), goto, '') def execute_lines(self, lines): """Execute lines and give focus to shell""" self.shell.execute_lines(to_text_string(lines)) self.shell.setFocus() @Slot() def change_font(self): """Change console font""" font, valid = QFontDialog.getFont(self.get_plugin_font(), self, _("Select a new font")) if valid: self.shell.set_font(font) self.set_plugin_font(font) @Slot() def change_max_line_count(self): "Change maximum line count""" mlc, valid = QInputDialog.getInteger(self, _('Buffer'), _('Maximum line count'), self.get_option('max_line_count'), 0, 1000000) if valid: self.shell.setMaximumBlockCount(mlc) self.set_option('max_line_count', mlc) @Slot() def change_exteditor(self): """Change external editor path""" path, valid = QInputDialog.getText(self, _('External editor'), _('External editor executable path:'), QLineEdit.Normal, self.get_option('external_editor/path')) if valid: self.set_option('external_editor/path', to_text_string(path)) @Slot(bool) def toggle_wrap_mode(self, checked): """Toggle wrap mode""" self.shell.toggle_wrap_mode(checked) self.set_option('wrap', checked) @Slot(bool) def toggle_calltips(self, checked): """Toggle calltips""" self.shell.set_calltips(checked) self.set_option('calltips', checked) @Slot(bool) def toggle_codecompletion(self, checked): """Toggle automatic code completion""" self.shell.set_codecompletion_auto(checked) self.set_option('codecompletion/auto', checked) @Slot(bool) def toggle_codecompletion_enter(self, checked): """Toggle Enter key for code completion""" self.shell.set_codecompletion_enter(checked) self.set_option('codecompletion/enter_key', checked) #----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): 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() if source.hasUrls(): pathlist = mimedata2url(source) self.shell.drop_pathlist(pathlist) elif source.hasText(): lines = to_text_string(source.text()) self.shell.set_cursor_position('eof') self.shell.execute_lines(lines) event.acceptProposedAction()
class ExternalPythonShell(ExternalShellBase): """External Shell widget: execute Python script in a separate process""" SHELL_CLASS = ExtPythonShellWidget sig_pdb = Signal(str, int) open_file = Signal(str, int) ipython_kernel_start_error = Signal(str) create_ipython_client = Signal(str) started = Signal() sig_finished = Signal() def __init__(self, parent=None, fname=None, wdir=None, interact=False, debug=False, post_mortem=False, path=[], python_args='', ipykernel=False, arguments='', stand_alone=None, umr_enabled=True, umr_namelist=[], umr_verbose=True, pythonstartup=None, pythonexecutable=None, monitor_enabled=True, mpl_backend=None, ets_backend='qt4', qt_api=None, pyqt_api=0, ignore_sip_setapi_errors=False, merge_output_channels=False, colorize_sys_stderr=False, autorefresh_timeout=3000, autorefresh_state=True, light_background=True, menu_actions=None, show_buttons_inside=True, show_elapsed_time=True): assert qt_api in (None, 'pyqt', 'pyside') self.namespacebrowser = None # namespace browser widget! self.dialog_manager = DialogManager() self.stand_alone = stand_alone # stand alone settings (None: plugin) self.interact = interact self.is_ipykernel = ipykernel self.pythonstartup = pythonstartup self.pythonexecutable = pythonexecutable self.monitor_enabled = monitor_enabled self.mpl_backend = mpl_backend self.ets_backend = ets_backend self.qt_api = qt_api self.pyqt_api = pyqt_api self.ignore_sip_setapi_errors = ignore_sip_setapi_errors self.merge_output_channels = merge_output_channels self.colorize_sys_stderr = colorize_sys_stderr self.umr_enabled = umr_enabled self.umr_namelist = umr_namelist self.umr_verbose = umr_verbose self.autorefresh_timeout = autorefresh_timeout self.autorefresh_state = autorefresh_state self.namespacebrowser_button = None self.cwd_button = None self.env_button = None self.syspath_button = None self.terminate_button = None self.notification_thread = None ExternalShellBase.__init__(self, parent=parent, fname=fname, wdir=wdir, history_filename='history.py', light_background=light_background, menu_actions=menu_actions, show_buttons_inside=show_buttons_inside, show_elapsed_time=show_elapsed_time) if self.pythonexecutable is None: self.pythonexecutable = get_python_executable() self.python_args = None if python_args: assert is_text_string(python_args) self.python_args = python_args assert is_text_string(arguments) self.arguments = arguments self.connection_file = None if self.is_ipykernel: self.interact = False # Running our custom startup script for IPython kernels: # (see spyderlib/widgets/externalshell/start_ipython_kernel.py) self.fname = get_module_source_path( 'spyderlib.widgets.externalshell', 'start_ipython_kernel.py') self.shell.set_externalshell(self) self.toggle_globals_explorer(False) self.interact_action.setChecked(self.interact) self.debug_action.setChecked(debug) self.introspection_socket = None self.is_interpreter = fname is None if self.is_interpreter: self.terminate_button.hide() self.post_mortem_action.setChecked(post_mortem and not self.is_interpreter) # Additional python path list self.path = path self.shell.path = path def set_introspection_socket(self, introspection_socket): self.introspection_socket = introspection_socket if self.namespacebrowser is not None: settings = self.namespacebrowser.get_view_settings() communicate(introspection_socket, 'set_remote_view_settings()', settings=[settings]) def set_autorefresh_timeout(self, interval): if self.introspection_socket is not None: try: communicate(self.introspection_socket, "set_monitor_timeout(%d)" % interval) except socket.error: pass def closeEvent(self, event): self.quit_monitor() ExternalShellBase.closeEvent(self, event) def get_toolbar_buttons(self): ExternalShellBase.get_toolbar_buttons(self) if self.namespacebrowser_button is None \ and self.stand_alone is not None: self.namespacebrowser_button = create_toolbutton( self, text=_("Variables"), icon=get_icon('dictedit.png'), tip=_("Show/hide global variables explorer"), toggled=self.toggle_globals_explorer, text_beside_icon=True) if self.terminate_button is None: self.terminate_button = create_toolbutton( self, text=_("Terminate"), icon=get_icon('stop.png'), tip=_("Attempts to stop the process. The process\n" "may not exit as a result of clicking this\n" "button (it is given the chance to prompt\n" "the user for any unsaved files, etc).")) buttons = [] if self.namespacebrowser_button is not None: buttons.append(self.namespacebrowser_button) buttons += [ self.run_button, self.terminate_button, self.kill_button, self.options_button ] return buttons def get_options_menu(self): ExternalShellBase.get_options_menu(self) self.interact_action = create_action(self, _("Interact")) self.interact_action.setCheckable(True) self.debug_action = create_action(self, _("Debug")) self.debug_action.setCheckable(True) self.args_action = create_action(self, _("Arguments..."), triggered=self.get_arguments) self.post_mortem_action = create_action(self, _("Post Mortem Debug")) self.post_mortem_action.setCheckable(True) run_settings_menu = QMenu(_("Run settings"), self) add_actions(run_settings_menu, (self.interact_action, self.debug_action, self.args_action, self.post_mortem_action)) self.cwd_button = create_action( self, _("Working directory"), icon=get_std_icon('DirOpenIcon'), tip=_("Set current working directory"), triggered=self.set_current_working_directory) self.env_button = create_action(self, _("Environment variables"), icon=get_icon('environ.png'), triggered=self.show_env) self.syspath_button = create_action(self, _("Show sys.path contents"), icon=get_icon('syspath.png'), triggered=self.show_syspath) actions = [ run_settings_menu, self.show_time_action, None, self.cwd_button, self.env_button, self.syspath_button ] if self.menu_actions is not None: actions += [None] + self.menu_actions return actions def is_interpreter(self): """Return True if shellwidget is a Python interpreter""" return self.is_interpreter def get_shell_widget(self): if self.stand_alone is None: return self.shell else: self.namespacebrowser = NamespaceBrowser(self) settings = self.stand_alone self.namespacebrowser.set_shellwidget(self) self.namespacebrowser.setup(**settings) self.namespacebrowser.sig_collapse.connect( lambda: self.toggle_globals_explorer(False)) # Shell splitter self.splitter = splitter = QSplitter(Qt.Vertical, self) self.splitter.splitterMoved.connect(self.splitter_moved) splitter.addWidget(self.shell) splitter.setCollapsible(0, False) splitter.addWidget(self.namespacebrowser) splitter.setStretchFactor(0, 1) splitter.setStretchFactor(1, 0) splitter.setHandleWidth(5) splitter.setSizes([2, 1]) return splitter def get_icon(self): return get_icon('python.png') def set_buttons_runnning_state(self, state): ExternalShellBase.set_buttons_runnning_state(self, state) self.interact_action.setEnabled(not state and not self.is_interpreter) self.debug_action.setEnabled(not state and not self.is_interpreter) self.args_action.setEnabled(not state and not self.is_interpreter) self.post_mortem_action.setEnabled(not state and not self.is_interpreter) if state: if self.arguments: argstr = _("Arguments: %s") % self.arguments else: argstr = _("No argument") else: argstr = _("Arguments...") self.args_action.setText(argstr) self.terminate_button.setVisible(not self.is_interpreter and state) if not state: self.toggle_globals_explorer(False) for btn in (self.cwd_button, self.env_button, self.syspath_button): btn.setEnabled(state and self.monitor_enabled) if self.namespacebrowser_button is not None: self.namespacebrowser_button.setEnabled(state) def set_namespacebrowser(self, namespacebrowser): """ Set namespace browser *widget* Note: this method is not used in stand alone mode """ self.namespacebrowser = namespacebrowser self.configure_namespacebrowser() def configure_namespacebrowser(self): """Connect the namespace browser to the notification thread""" if self.notification_thread is not None: self.notification_thread.refresh_namespace_browser.connect( self.namespacebrowser.refresh_table) signal = self.notification_thread.sig_process_remote_view signal.connect( lambda data: self.namespacebrowser.process_remote_view(data)) def create_process(self): self.shell.clear() self.process = QProcess(self) if self.merge_output_channels: self.process.setProcessChannelMode(QProcess.MergedChannels) else: self.process.setProcessChannelMode(QProcess.SeparateChannels) self.shell.wait_for_ready_read.connect( lambda: self.process.waitForReadyRead(250)) # Working directory if self.wdir is not None: self.process.setWorkingDirectory(self.wdir) #-------------------------Python specific------------------------------ # Python arguments p_args = ['-u'] if DEBUG >= 3: p_args += ['-v'] p_args += get_python_args(self.fname, self.python_args, self.interact_action.isChecked(), self.debug_action.isChecked(), self.arguments) env = [ to_text_string(_path) for _path in self.process.systemEnvironment() ] if self.pythonstartup: env.append('PYTHONSTARTUP=%s' % self.pythonstartup) #-------------------------Python specific------------------------------- # Post mortem debugging if self.post_mortem_action.isChecked(): env.append('SPYDER_EXCEPTHOOK=True') # Set standard input/output encoding for Python consoles # (IPython handles it on its own) # See http://stackoverflow.com/q/26312400/438386, specifically # the comments of Martijn Pieters if not self.is_ipykernel: env.append('PYTHONIOENCODING=UTF-8') # Monitor if self.monitor_enabled: env.append('SPYDER_SHELL_ID=%s' % id(self)) env.append('SPYDER_AR_TIMEOUT=%d' % self.autorefresh_timeout) env.append('SPYDER_AR_STATE=%r' % self.autorefresh_state) from spyderlib.widgets.externalshell import introspection introspection_server = introspection.start_introspection_server() introspection_server.register(self) notification_server = introspection.start_notification_server() self.notification_thread = notification_server.register(self) self.notification_thread.sig_pdb.connect( lambda fname, lineno: self.sig_pdb.emit(fname, lineno)) self.notification_thread.new_ipython_kernel.connect( lambda args: self.create_ipython_client.emit(args)) self.notification_thread.open_file.connect( lambda fname, lineno: self.open_file.emit(fname, lineno)) if self.namespacebrowser is not None: self.configure_namespacebrowser() env.append('SPYDER_I_PORT=%d' % introspection_server.port) env.append('SPYDER_N_PORT=%d' % notification_server.port) # External modules options env.append('ETS_TOOLKIT=%s' % self.ets_backend) if self.mpl_backend: env.append('MATPLOTLIB_BACKEND=%s' % self.mpl_backend) if self.qt_api: env.append('QT_API=%s' % self.qt_api) env.append('COLORIZE_SYS_STDERR=%s' % self.colorize_sys_stderr) # # Socket-based alternative (see input hook in sitecustomize.py): # if self.install_qt_inputhook: # from PyQt4.QtNetwork import QLocalServer # self.local_server = QLocalServer() # self.local_server.listen(str(id(self))) if self.pyqt_api: env.append('PYQT_API=%d' % self.pyqt_api) env.append('IGNORE_SIP_SETAPI_ERRORS=%s' % self.ignore_sip_setapi_errors) # User Module Deleter if self.is_interpreter: env.append('UMR_ENABLED=%r' % self.umr_enabled) env.append('UMR_NAMELIST=%s' % ','.join(self.umr_namelist)) env.append('UMR_VERBOSE=%r' % self.umr_verbose) env.append('MATPLOTLIB_ION=True') else: if self.interact: env.append('MATPLOTLIB_ION=True') else: env.append('MATPLOTLIB_ION=False') # IPython kernel env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel) # Add sitecustomize path to path list pathlist = [] scpath = osp.dirname(osp.abspath(__file__)) pathlist.append(scpath) # Adding Spyder path pathlist += self.path # Adding path list to PYTHONPATH environment variable add_pathlist_to_PYTHONPATH(env, pathlist) #-------------------------Python specific------------------------------ self.process.readyReadStandardOutput.connect(self.write_output) self.process.readyReadStandardError.connect(self.write_error) self.process.finished.connect( lambda ec, es=QProcess.ExitStatus: self.finished(ec, es)) self.sig_finished.connect(self.dialog_manager.close_all) self.terminate_button.clicked.connect(self.process.terminate) self.kill_button.clicked.connect(self.process.kill) #-------------------------Python specific------------------------------ # Fixes for our Mac app: # 1. PYTHONPATH and PYTHONHOME are set while bootstrapping the app, # but their values are messing sys.path for external interpreters # (e.g. EPD) so we need to remove them from the environment. # 2. Set PYTHONPATH again but without grabbing entries defined in the # environment (Fixes Issue 1321) # 3. Remove PYTHONOPTIMIZE from env so that we can have assert # statements working with our interpreters (See Issue 1281) if running_in_mac_app(): env.append('SPYDER_INTERPRETER=%s' % self.pythonexecutable) if MAC_APP_NAME not in self.pythonexecutable: env = [p for p in env if not (p.startswith('PYTHONPATH') or \ p.startswith('PYTHONHOME'))] # 1. add_pathlist_to_PYTHONPATH(env, pathlist, drop_env=True) # 2. env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')] # 3. processEnvironment = QProcessEnvironment() for envItem in env: envName, separator, envValue = envItem.partition('=') processEnvironment.insert(envName, envValue) self.process.setProcessEnvironment(processEnvironment) self.process.start(self.pythonexecutable, p_args) #-------------------------Python specific------------------------------ running = self.process.waitForStarted(3000) self.set_running_state(running) if not running: if self.is_ipykernel: self.ipython_kernel_start_error.emit( _("The kernel failed to start!! That's all we know... " "Please close this console and open a new one.")) else: QMessageBox.critical(self, _("Error"), _("A Python console failed to start!")) else: self.shell.setFocus() self.started.emit() return self.process def finished(self, exit_code, exit_status): """Reimplement ExternalShellBase method""" if self.is_ipykernel and exit_code == 1: self.ipython_kernel_start_error.emit( self.shell.get_text_with_eol()) ExternalShellBase.finished(self, exit_code, exit_status) self.introspection_socket = None #============================================================================== # Input/Output #============================================================================== def write_error(self): if os.name == 'nt': #---This is apparently necessary only on Windows (not sure though): # emptying standard output buffer before writing error output self.process.setReadChannel(QProcess.StandardOutput) if self.process.waitForReadyRead(1): self.write_output() self.shell.write_error(self.get_stderr()) QApplication.processEvents() def send_to_process(self, text): if not self.is_running(): return if not is_text_string(text): text = to_text_string(text) if self.mpl_backend == 'Qt4Agg' and os.name == 'nt' and \ self.introspection_socket is not None: communicate(self.introspection_socket, "toggle_inputhook_flag(True)") # # Socket-based alternative (see input hook in sitecustomize.py): # while self.local_server.hasPendingConnections(): # self.local_server.nextPendingConnection().write('go!') if any([text == cmd for cmd in ['%ls', '%pwd', '%scientific']]) or \ any([text.startswith(cmd) for cmd in ['%cd ', '%clear ']]): text = 'evalsc(r"%s")\n' % text if not text.endswith('\n'): text += '\n' self.process.write(to_binary_string(text, 'utf8')) self.process.waitForBytesWritten(-1) # Eventually write prompt faster (when hitting Enter continuously) # -- necessary/working on Windows only: if os.name == 'nt': self.write_error() def keyboard_interrupt(self): if self.introspection_socket is not None: communicate(self.introspection_socket, "thread.interrupt_main()") def quit_monitor(self): if self.introspection_socket is not None: try: write_packet(self.introspection_socket, "thread.exit()") except socket.error: pass #============================================================================== # Globals explorer #============================================================================== @Slot(bool) def toggle_globals_explorer(self, state): if self.stand_alone is not None: self.splitter.setSizes([1, 1 if state else 0]) self.namespacebrowser_button.setChecked(state) if state and self.namespacebrowser is not None: self.namespacebrowser.refresh_table() def splitter_moved(self, pos, index): self.namespacebrowser_button.setChecked(self.splitter.sizes()[1]) #============================================================================== # Misc. #============================================================================== @Slot() def set_current_working_directory(self): """Set current working directory""" cwd = self.shell.get_cwd() self.redirect_stdio.emit(False) directory = getexistingdirectory(self, _("Select directory"), cwd) if directory: self.shell.set_cwd(directory) self.redirect_stdio.emit(True) @Slot() def show_env(self): """Show environment variables""" get_func = self.shell.get_env set_func = self.shell.set_env self.dialog_manager.show(RemoteEnvDialog(get_func, set_func)) @Slot() def show_syspath(self): """Show sys.path contents""" editor = DictEditor() editor.setup(self.shell.get_syspath(), title="sys.path", readonly=True, width=600, icon='syspath.png') self.dialog_manager.show(editor)
class Console(SpyderPluginWidget): """ Console widget """ CONF_SECTION = 'internal_console' focus_changed = Signal() redirect_stdio = Signal(bool) edit_goto = Signal(str, int, str) def __init__(self, parent=None, namespace=None, commands=[], message=None, exitfunc=None, profile=False, multithreaded=False): if PYQT5: SpyderPluginWidget.__init__(self, parent, main = parent) else: SpyderPluginWidget.__init__(self, parent) debug_print(" ..internal console: initializing") self.dialog_manager = DialogManager() # Shell light_background = self.get_option('light_background') self.shell = InternalShell(parent, namespace, commands, message, self.get_option('max_line_count'), self.get_plugin_font(), exitfunc, profile, multithreaded, light_background=light_background) self.shell.status.connect(lambda msg: self.show_message.emit(msg, 0)) self.shell.go_to_error.connect(self.go_to_error) self.shell.focus_changed.connect(lambda: self.focus_changed.emit()) # Redirecting some signals: self.shell.redirect_stdio.connect(lambda state: self.redirect_stdio.emit(state)) # Initialize plugin self.initialize_plugin() # Find/replace widget self.find_widget = FindReplace(self) self.find_widget.set_editor(self.shell) self.find_widget.hide() self.register_widget_shortcuts("Editor", self.find_widget) # Main layout layout = QVBoxLayout() layout.addWidget(self.shell) layout.addWidget(self.find_widget) self.setLayout(layout) # Parameters self.shell.toggle_wrap_mode(self.get_option('wrap')) # Accepting drops self.setAcceptDrops(True) #------ Private API -------------------------------------------------------- def set_historylog(self, historylog): """Bind historylog instance to this console Not used anymore since v2.0""" historylog.add_history(self.shell.history_filename) self.shell.append_to_history.connect(historylog.append_to_history) def set_help(self, help_plugin): """Bind help instance to this console""" self.shell.help = help_plugin #------ SpyderPluginWidget API --------------------------------------------- def get_plugin_title(self): """Return widget title""" return _('Internal 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.shell def closing_plugin(self, cancelable=False): """Perform actions before parent main window is closed""" self.dialog_manager.close_all() self.shell.exit_interpreter() return True def refresh_plugin(self): pass def get_plugin_actions(self): """Return a list of actions related to plugin""" quit_action = create_action(self, _("&Quit"), icon=ima.icon('exit'), tip=_("Quit"), triggered=self.quit) self.register_shortcut(quit_action, "_", "Quit", "Ctrl+Q") run_action = create_action(self, _("&Run..."), None, ima.icon('run_small'), _("Run a Python script"), triggered=self.run_script) environ_action = create_action(self, _("Environment variables..."), icon=ima.icon('environ'), tip=_("Show and edit environment variables" " (for current session)"), triggered=self.show_env) syspath_action = create_action(self, _("Show sys.path contents..."), icon=ima.icon('syspath'), tip=_("Show (read-only) sys.path"), triggered=self.show_syspath) buffer_action = create_action(self, _("Buffer..."), None, tip=_("Set maximum line count"), triggered=self.change_max_line_count) font_action = create_action(self, _("&Font..."), None, ima.icon('font'), _("Set shell font style"), triggered=self.change_font) exteditor_action = create_action(self, _("External editor path..."), None, None, _("Set external editor executable path"), triggered=self.change_exteditor) wrap_action = create_action(self, _("Wrap lines"), toggled=self.toggle_wrap_mode) wrap_action.setChecked(self.get_option('wrap')) calltips_action = create_action(self, _("Display balloon tips"), toggled=self.toggle_calltips) calltips_action.setChecked(self.get_option('calltips')) codecompletion_action = create_action(self, _("Automatic code completion"), toggled=self.toggle_codecompletion) codecompletion_action.setChecked(self.get_option('codecompletion/auto')) codecompenter_action = create_action(self, _("Enter key selects completion"), toggled=self.toggle_codecompletion_enter) codecompenter_action.setChecked(self.get_option( 'codecompletion/enter_key')) option_menu = QMenu(_('Internal console settings'), self) option_menu.setIcon(ima.icon('tooloptions')) add_actions(option_menu, (buffer_action, font_action, wrap_action, calltips_action, codecompletion_action, codecompenter_action, exteditor_action)) plugin_actions = [None, run_action, environ_action, syspath_action, option_menu, None, quit_action] # Add actions to context menu add_actions(self.shell.menu, plugin_actions) return plugin_actions 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) # Connecting the following signal once the dockwidget has been created: self.shell.traceback_available.connect(self.traceback_available) def traceback_available(self): """Traceback is available in the internal console: showing the internal console automatically to warn the user""" if CONF.get('main', 'show_internal_console_if_traceback', False): self.dockwidget.show() self.dockwidget.raise_() #------ Public API --------------------------------------------------------- @Slot() def quit(self): """Quit mainwindow""" self.main.close() @Slot() def show_env(self): """Show environment variables""" self.dialog_manager.show(EnvDialog()) @Slot() def show_syspath(self): """Show sys.path""" editor = CollectionsEditor() editor.setup(sys.path, title="sys.path", readonly=True, width=600, icon=ima.icon('syspath')) self.dialog_manager.show(editor) @Slot() def run_script(self, filename=None, silent=False, set_focus=False, args=None): """Run a Python script""" if filename is None: self.shell.interpreter.restore_stds() filename, _selfilter = getopenfilename(self, _("Run Python script"), getcwd(), _("Python scripts")+" (*.py ; *.pyw ; *.ipy)") self.shell.interpreter.redirect_stds() if filename: os.chdir( osp.dirname(filename) ) filename = osp.basename(filename) else: return debug_print(args) filename = osp.abspath(filename) rbs = remove_backslashes command = "runfile('%s', args='%s')" % (rbs(filename), rbs(args)) if set_focus: self.shell.setFocus() if self.dockwidget and not self.ismaximized: self.dockwidget.setVisible(True) self.dockwidget.raise_() self.shell.write(command+'\n') self.shell.run_command(command) 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_script(fname, int(lnb)) def edit_script(self, filename=None, goto=-1): """Edit script""" # Called from InternalShell if not hasattr(self, 'main') \ or not hasattr(self.main, 'editor'): self.shell.external_editor(filename, goto) return if filename is not None: self.edit_goto.emit(osp.abspath(filename), goto, '') def execute_lines(self, lines): """Execute lines and give focus to shell""" self.shell.execute_lines(to_text_string(lines)) self.shell.setFocus() @Slot() def change_font(self): """Change console font""" font, valid = QFontDialog.getFont(self.get_plugin_font(), self, _("Select a new font")) if valid: self.shell.set_font(font) self.set_plugin_font(font) @Slot() def change_max_line_count(self): "Change maximum line count""" mlc, valid = QInputDialog.getInteger(self, _('Buffer'), _('Maximum line count'), self.get_option('max_line_count'), 0, 1000000) if valid: self.shell.setMaximumBlockCount(mlc) self.set_option('max_line_count', mlc) @Slot() def change_exteditor(self): """Change external editor path""" path, valid = QInputDialog.getText(self, _('External editor'), _('External editor executable path:'), QLineEdit.Normal, self.get_option('external_editor/path')) if valid: self.set_option('external_editor/path', to_text_string(path)) @Slot(bool) def toggle_wrap_mode(self, checked): """Toggle wrap mode""" self.shell.toggle_wrap_mode(checked) self.set_option('wrap', checked) @Slot(bool) def toggle_calltips(self, checked): """Toggle calltips""" self.shell.set_calltips(checked) self.set_option('calltips', checked) @Slot(bool) def toggle_codecompletion(self, checked): """Toggle automatic code completion""" self.shell.set_codecompletion_auto(checked) self.set_option('codecompletion/auto', checked) @Slot(bool) def toggle_codecompletion_enter(self, checked): """Toggle Enter key for code completion""" self.shell.set_codecompletion_enter(checked) self.set_option('codecompletion/enter_key', checked) #----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): 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() if source.hasUrls(): pathlist = mimedata2url(source) self.shell.drop_pathlist(pathlist) elif source.hasText(): lines = to_text_string(source.text()) self.shell.set_cursor_position('eof') self.shell.execute_lines(lines) event.acceptProposedAction()
class ExternalPythonShell(ExternalShellBase): """External Shell widget: execute Python script in a separate process""" SHELL_CLASS = ExtPythonShellWidget sig_pdb = Signal(str, int) open_file = Signal(str, int) ipython_kernel_start_error = Signal(str) create_ipython_client = Signal(str) started = Signal() sig_finished = Signal() def __init__(self, parent=None, fname=None, wdir=None, interact=False, debug=False, post_mortem=False, path=[], python_args='', ipykernel=False, arguments='', stand_alone=None, umr_enabled=True, umr_namelist=[], umr_verbose=True, pythonstartup=None, pythonexecutable=None, monitor_enabled=True, mpl_backend=None, ets_backend='qt4', qt_api=None, pyqt_api=0, ignore_sip_setapi_errors=False, merge_output_channels=False, colorize_sys_stderr=False, autorefresh_timeout=3000, autorefresh_state=True, light_background=True, menu_actions=None, show_buttons_inside=True, show_elapsed_time=True): assert qt_api in (None, 'pyqt', 'pyside') self.namespacebrowser = None # namespace browser widget! self.dialog_manager = DialogManager() self.stand_alone = stand_alone # stand alone settings (None: plugin) self.interact = interact self.is_ipykernel = ipykernel self.pythonstartup = pythonstartup self.pythonexecutable = pythonexecutable self.monitor_enabled = monitor_enabled self.mpl_backend = mpl_backend self.ets_backend = ets_backend self.qt_api = qt_api self.pyqt_api = pyqt_api self.ignore_sip_setapi_errors = ignore_sip_setapi_errors self.merge_output_channels = merge_output_channels self.colorize_sys_stderr = colorize_sys_stderr self.umr_enabled = umr_enabled self.umr_namelist = umr_namelist self.umr_verbose = umr_verbose self.autorefresh_timeout = autorefresh_timeout self.autorefresh_state = autorefresh_state self.namespacebrowser_button = None self.cwd_button = None self.env_button = None self.syspath_button = None self.terminate_button = None self.notification_thread = None ExternalShellBase.__init__(self, parent=parent, fname=fname, wdir=wdir, history_filename='history.py', light_background=light_background, menu_actions=menu_actions, show_buttons_inside=show_buttons_inside, show_elapsed_time=show_elapsed_time) if self.pythonexecutable is None: self.pythonexecutable = get_python_executable() self.python_args = None if python_args: assert is_text_string(python_args) self.python_args = python_args assert is_text_string(arguments) self.arguments = arguments self.connection_file = None if self.is_ipykernel: self.interact = False # Running our custom startup script for IPython kernels: # (see spyderlib/widgets/externalshell/start_ipython_kernel.py) self.fname = get_module_source_path( 'spyderlib.widgets.externalshell', 'start_ipython_kernel.py') self.shell.set_externalshell(self) self.toggle_globals_explorer(False) self.interact_action.setChecked(self.interact) self.debug_action.setChecked(debug) self.introspection_socket = None self.is_interpreter = fname is None if self.is_interpreter: self.terminate_button.hide() self.post_mortem_action.setChecked(post_mortem and not self.is_interpreter) # Additional python path list self.path = path self.shell.path = path def set_introspection_socket(self, introspection_socket): self.introspection_socket = introspection_socket if self.namespacebrowser is not None: settings = self.namespacebrowser.get_view_settings() communicate(introspection_socket, 'set_remote_view_settings()', settings=[settings]) def set_autorefresh_timeout(self, interval): if self.introspection_socket is not None: try: communicate(self.introspection_socket, "set_monitor_timeout(%d)" % interval) except socket.error: pass def closeEvent(self, event): self.quit_monitor() ExternalShellBase.closeEvent(self, event) def get_toolbar_buttons(self): ExternalShellBase.get_toolbar_buttons(self) if self.namespacebrowser_button is None \ and self.stand_alone is not None: self.namespacebrowser_button = create_toolbutton(self, text=_("Variables"), icon=get_icon('dictedit.png'), tip=_("Show/hide global variables explorer"), toggled=self.toggle_globals_explorer, text_beside_icon=True) if self.terminate_button is None: self.terminate_button = create_toolbutton(self, text=_("Terminate"), icon=get_icon('stop.png'), tip=_("Attempts to stop the process. The process\n" "may not exit as a result of clicking this\n" "button (it is given the chance to prompt\n" "the user for any unsaved files, etc).")) buttons = [] if self.namespacebrowser_button is not None: buttons.append(self.namespacebrowser_button) buttons += [self.run_button, self.terminate_button, self.kill_button, self.options_button] return buttons def get_options_menu(self): ExternalShellBase.get_options_menu(self) self.interact_action = create_action(self, _("Interact")) self.interact_action.setCheckable(True) self.debug_action = create_action(self, _("Debug")) self.debug_action.setCheckable(True) self.args_action = create_action(self, _("Arguments..."), triggered=self.get_arguments) self.post_mortem_action = create_action(self, _("Post Mortem Debug")) self.post_mortem_action.setCheckable(True) run_settings_menu = QMenu(_("Run settings"), self) add_actions(run_settings_menu, (self.interact_action, self.debug_action, self.args_action, self.post_mortem_action)) self.cwd_button = create_action(self, _("Working directory"), icon=get_std_icon('DirOpenIcon'), tip=_("Set current working directory"), triggered=self.set_current_working_directory) self.env_button = create_action(self, _("Environment variables"), icon=get_icon('environ.png'), triggered=self.show_env) self.syspath_button = create_action(self, _("Show sys.path contents"), icon=get_icon('syspath.png'), triggered=self.show_syspath) actions = [run_settings_menu, self.show_time_action, None, self.cwd_button, self.env_button, self.syspath_button] if self.menu_actions is not None: actions += [None]+self.menu_actions return actions def is_interpreter(self): """Return True if shellwidget is a Python interpreter""" return self.is_interpreter def get_shell_widget(self): if self.stand_alone is None: return self.shell else: self.namespacebrowser = NamespaceBrowser(self) settings = self.stand_alone self.namespacebrowser.set_shellwidget(self) self.namespacebrowser.setup(**settings) self.namespacebrowser.sig_collapse.connect( lambda: self.toggle_globals_explorer(False)) # Shell splitter self.splitter = splitter = QSplitter(Qt.Vertical, self) self.splitter.splitterMoved.connect(self.splitter_moved) splitter.addWidget(self.shell) splitter.setCollapsible(0, False) splitter.addWidget(self.namespacebrowser) splitter.setStretchFactor(0, 1) splitter.setStretchFactor(1, 0) splitter.setHandleWidth(5) splitter.setSizes([2, 1]) return splitter def get_icon(self): return get_icon('python.png') def set_buttons_runnning_state(self, state): ExternalShellBase.set_buttons_runnning_state(self, state) self.interact_action.setEnabled(not state and not self.is_interpreter) self.debug_action.setEnabled(not state and not self.is_interpreter) self.args_action.setEnabled(not state and not self.is_interpreter) self.post_mortem_action.setEnabled(not state and not self.is_interpreter) if state: if self.arguments: argstr = _("Arguments: %s") % self.arguments else: argstr = _("No argument") else: argstr = _("Arguments...") self.args_action.setText(argstr) self.terminate_button.setVisible(not self.is_interpreter and state) if not state: self.toggle_globals_explorer(False) for btn in (self.cwd_button, self.env_button, self.syspath_button): btn.setEnabled(state and self.monitor_enabled) if self.namespacebrowser_button is not None: self.namespacebrowser_button.setEnabled(state) def set_namespacebrowser(self, namespacebrowser): """ Set namespace browser *widget* Note: this method is not used in stand alone mode """ self.namespacebrowser = namespacebrowser self.configure_namespacebrowser() def configure_namespacebrowser(self): """Connect the namespace browser to the notification thread""" if self.notification_thread is not None: self.notification_thread.refresh_namespace_browser.connect( self.namespacebrowser.refresh_table) signal = self.notification_thread.sig_process_remote_view signal.connect(lambda data: self.namespacebrowser.process_remote_view(data)) def create_process(self): self.shell.clear() self.process = QProcess(self) if self.merge_output_channels: self.process.setProcessChannelMode(QProcess.MergedChannels) else: self.process.setProcessChannelMode(QProcess.SeparateChannels) self.shell.wait_for_ready_read.connect( lambda: self.process.waitForReadyRead(250)) # Working directory if self.wdir is not None: self.process.setWorkingDirectory(self.wdir) #-------------------------Python specific------------------------------ # Python arguments p_args = ['-u'] if DEBUG >= 3: p_args += ['-v'] p_args += get_python_args(self.fname, self.python_args, self.interact_action.isChecked(), self.debug_action.isChecked(), self.arguments) env = [to_text_string(_path) for _path in self.process.systemEnvironment()] if self.pythonstartup: env.append('PYTHONSTARTUP=%s' % self.pythonstartup) #-------------------------Python specific------------------------------- # Post mortem debugging if self.post_mortem_action.isChecked(): env.append('SPYDER_EXCEPTHOOK=True') # Set standard input/output encoding for Python consoles # (IPython handles it on its own) # See http://stackoverflow.com/q/26312400/438386, specifically # the comments of Martijn Pieters if not self.is_ipykernel: env.append('PYTHONIOENCODING=UTF-8') # Monitor if self.monitor_enabled: env.append('SPYDER_SHELL_ID=%s' % id(self)) env.append('SPYDER_AR_TIMEOUT=%d' % self.autorefresh_timeout) env.append('SPYDER_AR_STATE=%r' % self.autorefresh_state) from spyderlib.widgets.externalshell import introspection introspection_server = introspection.start_introspection_server() introspection_server.register(self) notification_server = introspection.start_notification_server() self.notification_thread = notification_server.register(self) self.notification_thread.sig_pdb.connect( lambda fname, lineno: self.sig_pdb.emit(fname, lineno)) self.notification_thread.new_ipython_kernel.connect( lambda args: self.create_ipython_client.emit(args)) self.notification_thread.open_file.connect( lambda fname, lineno: self.open_file.emit(fname, lineno)) if self.namespacebrowser is not None: self.configure_namespacebrowser() env.append('SPYDER_I_PORT=%d' % introspection_server.port) env.append('SPYDER_N_PORT=%d' % notification_server.port) # External modules options env.append('ETS_TOOLKIT=%s' % self.ets_backend) if self.mpl_backend: env.append('MATPLOTLIB_BACKEND=%s' % self.mpl_backend) if self.qt_api: env.append('QT_API=%s' % self.qt_api) env.append('COLORIZE_SYS_STDERR=%s' % self.colorize_sys_stderr) # # Socket-based alternative (see input hook in sitecustomize.py): # if self.install_qt_inputhook: # from PyQt4.QtNetwork import QLocalServer # self.local_server = QLocalServer() # self.local_server.listen(str(id(self))) if self.pyqt_api: env.append('PYQT_API=%d' % self.pyqt_api) env.append('IGNORE_SIP_SETAPI_ERRORS=%s' % self.ignore_sip_setapi_errors) # User Module Deleter if self.is_interpreter: env.append('UMR_ENABLED=%r' % self.umr_enabled) env.append('UMR_NAMELIST=%s' % ','.join(self.umr_namelist)) env.append('UMR_VERBOSE=%r' % self.umr_verbose) env.append('MATPLOTLIB_ION=True') else: if self.interact: env.append('MATPLOTLIB_ION=True') else: env.append('MATPLOTLIB_ION=False') # IPython kernel env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel) # Add sitecustomize path to path list pathlist = [] scpath = osp.dirname(osp.abspath(__file__)) pathlist.append(scpath) # Adding Spyder path pathlist += self.path # Adding path list to PYTHONPATH environment variable add_pathlist_to_PYTHONPATH(env, pathlist) #-------------------------Python specific------------------------------ self.process.readyReadStandardOutput.connect(self.write_output) self.process.readyReadStandardError.connect(self.write_error) self.process.finished.connect(lambda ec, es=QProcess.ExitStatus: self.finished(ec, es)) self.sig_finished.connect(self.dialog_manager.close_all) self.terminate_button.clicked.connect(self.process.terminate) self.kill_button.clicked.connect(self.process.kill) #-------------------------Python specific------------------------------ # Fixes for our Mac app: # 1. PYTHONPATH and PYTHONHOME are set while bootstrapping the app, # but their values are messing sys.path for external interpreters # (e.g. EPD) so we need to remove them from the environment. # 2. Set PYTHONPATH again but without grabbing entries defined in the # environment (Fixes Issue 1321) # 3. Remove PYTHONOPTIMIZE from env so that we can have assert # statements working with our interpreters (See Issue 1281) if running_in_mac_app(): env.append('SPYDER_INTERPRETER=%s' % self.pythonexecutable) if MAC_APP_NAME not in self.pythonexecutable: env = [p for p in env if not (p.startswith('PYTHONPATH') or \ p.startswith('PYTHONHOME'))] # 1. add_pathlist_to_PYTHONPATH(env, pathlist, drop_env=True) # 2. env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')] # 3. processEnvironment = QProcessEnvironment() for envItem in env: envName, separator, envValue = envItem.partition('=') processEnvironment.insert(envName, envValue) self.process.setProcessEnvironment(processEnvironment) self.process.start(self.pythonexecutable, p_args) #-------------------------Python specific------------------------------ running = self.process.waitForStarted(3000) self.set_running_state(running) if not running: if self.is_ipykernel: self.ipython_kernel_start_error.emit( _("The kernel failed to start!! That's all we know... " "Please close this console and open a new one.")) else: QMessageBox.critical(self, _("Error"), _("A Python console failed to start!")) else: self.shell.setFocus() self.started.emit() return self.process def finished(self, exit_code, exit_status): """Reimplement ExternalShellBase method""" if self.is_ipykernel and exit_code == 1: self.ipython_kernel_start_error.emit(self.shell.get_text_with_eol()) ExternalShellBase.finished(self, exit_code, exit_status) self.introspection_socket = None #============================================================================== # Input/Output #============================================================================== def write_error(self): if os.name == 'nt': #---This is apparently necessary only on Windows (not sure though): # emptying standard output buffer before writing error output self.process.setReadChannel(QProcess.StandardOutput) if self.process.waitForReadyRead(1): self.write_output() self.shell.write_error(self.get_stderr()) QApplication.processEvents() def send_to_process(self, text): if not self.is_running(): return if not is_text_string(text): text = to_text_string(text) if self.mpl_backend == 'Qt4Agg' and os.name == 'nt' and \ self.introspection_socket is not None: communicate(self.introspection_socket, "toggle_inputhook_flag(True)") # # Socket-based alternative (see input hook in sitecustomize.py): # while self.local_server.hasPendingConnections(): # self.local_server.nextPendingConnection().write('go!') if any([text == cmd for cmd in ['%ls', '%pwd', '%scientific']]) or \ any([text.startswith(cmd) for cmd in ['%cd ', '%clear ']]): text = 'evalsc(r"%s")\n' % text if not text.endswith('\n'): text += '\n' self.process.write(to_binary_string(text, 'utf8')) self.process.waitForBytesWritten(-1) # Eventually write prompt faster (when hitting Enter continuously) # -- necessary/working on Windows only: if os.name == 'nt': self.write_error() def keyboard_interrupt(self): if self.introspection_socket is not None: communicate(self.introspection_socket, "thread.interrupt_main()") def quit_monitor(self): if self.introspection_socket is not None: try: write_packet(self.introspection_socket, "thread.exit()") except socket.error: pass #============================================================================== # Globals explorer #============================================================================== @Slot(bool) def toggle_globals_explorer(self, state): if self.stand_alone is not None: self.splitter.setSizes([1, 1 if state else 0]) self.namespacebrowser_button.setChecked(state) if state and self.namespacebrowser is not None: self.namespacebrowser.refresh_table() def splitter_moved(self, pos, index): self.namespacebrowser_button.setChecked( self.splitter.sizes()[1] ) #============================================================================== # Misc. #============================================================================== @Slot() def set_current_working_directory(self): """Set current working directory""" cwd = self.shell.get_cwd() self.redirect_stdio.emit(False) directory = getexistingdirectory(self, _("Select directory"), cwd) if directory: self.shell.set_cwd(directory) self.redirect_stdio.emit(True) @Slot() def show_env(self): """Show environment variables""" get_func = self.shell.get_env set_func = self.shell.set_env self.dialog_manager.show(RemoteEnvDialog(get_func, set_func)) @Slot() def show_syspath(self): """Show sys.path contents""" editor = DictEditor() editor.setup(self.shell.get_syspath(), title="sys.path", readonly=True, width=600, icon='syspath.png') self.dialog_manager.show(editor)
class ExternalPythonShell(ExternalShellBase): """External Shell widget: execute Python script in a separate process""" SHELL_CLASS = ExtPythonShellWidget def __init__(self, parent=None, fname=None, wdir=None, interact=False, debug=False, path=[], python_args='', ipython_shell=False, ipython_kernel=False, arguments='', stand_alone=None, umd_enabled=True, umd_namelist=[], umd_verbose=True, pythonstartup=None, pythonexecutable=None, monitor_enabled=True, mpl_patch_enabled=True, mpl_backend=None, ets_backend='qt4', qt_api=None, pyqt_api=0, install_qt_inputhook=True, ignore_sip_setapi_errors=False, merge_output_channels=False, colorize_sys_stderr=False, autorefresh_timeout=3000, autorefresh_state=True, light_background=True, menu_actions=None, show_buttons_inside=True, show_elapsed_time=True): assert qt_api in (None, 'pyqt', 'pyside') self.namespacebrowser = None # namespace browser widget! self.dialog_manager = DialogManager() self.stand_alone = stand_alone # stand alone settings (None: plugin) self.pythonstartup = pythonstartup self.pythonexecutable = pythonexecutable self.monitor_enabled = monitor_enabled self.mpl_patch_enabled = mpl_patch_enabled self.mpl_backend = mpl_backend self.ets_backend = ets_backend self.qt_api = qt_api self.pyqt_api = pyqt_api self.install_qt_inputhook = install_qt_inputhook self.ignore_sip_setapi_errors = ignore_sip_setapi_errors self.merge_output_channels = merge_output_channels self.colorize_sys_stderr = colorize_sys_stderr self.umd_enabled = umd_enabled self.umd_namelist = umd_namelist self.umd_verbose = umd_verbose self.autorefresh_timeout = autorefresh_timeout self.autorefresh_state = autorefresh_state self.namespacebrowser_button = None self.cwd_button = None self.env_button = None self.syspath_button = None self.terminate_button = None self.notification_thread = None ExternalShellBase.__init__(self, parent, wdir, history_filename='.history.py', light_background=light_background, menu_actions=menu_actions, show_buttons_inside=show_buttons_inside, show_elapsed_time=show_elapsed_time) self.python_args = None if python_args: assert isinstance(python_args, basestring) self.python_args = python_args assert isinstance(arguments, basestring) self.arguments = arguments self.is_ipython_shell = ipython_shell self.is_ipython_kernel = ipython_kernel if self.is_ipython_shell or self.is_ipython_kernel: interact = False # Running our custom startup script for IPython sessions: # (see spyderlib/widgets/externalshell/startup.py) self.fname = get_module_source_path( 'spyderlib.widgets.externalshell', 'startup.py') else: self.fname = fname self.shell.set_externalshell(self) self.toggle_globals_explorer(False) self.interact_action.setChecked(interact) self.debug_action.setChecked(debug) self.introspection_socket = None self.is_interpreter = fname is None if self.is_interpreter: self.terminate_button.hide() # Additional python path list self.path = path def set_introspection_socket(self, introspection_socket): self.introspection_socket = introspection_socket if self.namespacebrowser is not None: settings = self.namespacebrowser.get_view_settings() communicate(introspection_socket, 'set_remote_view_settings()', settings=[settings]) def set_autorefresh_timeout(self, interval): if self.introspection_socket is not None: try: communicate(self.introspection_socket, "set_monitor_timeout(%d)" % interval) except socket.error: pass def closeEvent(self, event): self.quit_monitor() ExternalShellBase.closeEvent(self, event) def get_toolbar_buttons(self): ExternalShellBase.get_toolbar_buttons(self) if self.namespacebrowser_button is None \ and self.stand_alone is not None: self.namespacebrowser_button = create_toolbutton(self, text=_("Variables"), icon=get_icon('dictedit.png'), tip=_("Show/hide global variables explorer"), toggled=self.toggle_globals_explorer, text_beside_icon=True) if self.terminate_button is None: self.terminate_button = create_toolbutton(self, text=_("Terminate"), icon=get_icon('terminate.png'), tip=_("""Attempts to terminate the process. The process may not exit as a result of clicking this button (it is given the chance to prompt the user for any unsaved files, etc).""")) buttons = [] if self.namespacebrowser_button is not None: buttons.append(self.namespacebrowser_button) buttons += [self.run_button, self.options_button, self.terminate_button, self.kill_button] return buttons def get_options_menu(self): ExternalShellBase.get_options_menu(self) self.interact_action = create_action(self, _("Interact")) self.interact_action.setCheckable(True) self.debug_action = create_action(self, _("Debug")) self.debug_action.setCheckable(True) self.args_action = create_action(self, _("Arguments..."), triggered=self.get_arguments) run_settings_menu = QMenu(_("Run settings"), self) add_actions(run_settings_menu, (self.interact_action, self.debug_action, self.args_action)) self.cwd_button = create_action(self, _("Working directory"), icon=get_std_icon('DirOpenIcon'), tip=_("Set current working directory"), triggered=self.set_current_working_directory) self.env_button = create_action(self, _("Environment variables"), icon=get_icon('environ.png'), triggered=self.show_env) self.syspath_button = create_action(self, _("Show sys.path contents"), icon=get_icon('syspath.png'), triggered=self.show_syspath) actions = [run_settings_menu, self.show_time_action, None, self.cwd_button, self.env_button, self.syspath_button] if self.menu_actions is not None: actions += [None]+self.menu_actions return actions def is_interpreter(self): """Return True if shellwidget is a Python/IPython interpreter""" return self.is_interpreter def get_shell_widget(self): if self.stand_alone is None: return self.shell else: self.namespacebrowser = NamespaceBrowser(self) settings = self.stand_alone self.namespacebrowser.set_shellwidget(self) self.namespacebrowser.setup(**settings) self.connect(self.namespacebrowser, SIGNAL('collapse()'), lambda: self.toggle_globals_explorer(False)) # Shell splitter self.splitter = splitter = QSplitter(Qt.Vertical, self) self.connect(self.splitter, SIGNAL('splitterMoved(int, int)'), self.splitter_moved) splitter.addWidget(self.shell) splitter.setCollapsible(0, False) splitter.addWidget(self.namespacebrowser) splitter.setStretchFactor(0, 1) splitter.setStretchFactor(1, 0) splitter.setHandleWidth(5) splitter.setSizes([2, 1]) return splitter def get_icon(self): return get_icon('python.png') def set_buttons_runnning_state(self, state): ExternalShellBase.set_buttons_runnning_state(self, state) self.interact_action.setEnabled(not state and not self.is_interpreter) self.debug_action.setEnabled(not state and not self.is_interpreter) self.args_action.setEnabled(not state and (not self.is_interpreter or\ self.is_ipython_shell)) if state: if self.arguments: argstr = _("Arguments: %s") % self.arguments else: argstr = _("No argument") else: argstr = _("Arguments...") self.args_action.setText(argstr) self.terminate_button.setVisible(not self.is_interpreter and state) if not state: self.toggle_globals_explorer(False) for btn in (self.cwd_button, self.env_button, self.syspath_button): btn.setEnabled(state and self.monitor_enabled) if self.namespacebrowser_button is not None: self.namespacebrowser_button.setEnabled(state) def set_namespacebrowser(self, namespacebrowser): """ Set namespace browser *widget* Note: this method is not used in stand alone mode """ self.namespacebrowser = namespacebrowser self.configure_namespacebrowser() def configure_namespacebrowser(self): """Connect the namespace browser to the notification thread""" if self.notification_thread is not None: self.connect(self.notification_thread, SIGNAL('refresh_namespace_browser()'), self.namespacebrowser.refresh_table) signal = self.notification_thread.sig_process_remote_view signal.connect(self.namespacebrowser.process_remote_view) def create_process(self): self.shell.clear() self.process = QProcess(self) if self.merge_output_channels or self.is_ipython_shell: self.process.setProcessChannelMode(QProcess.MergedChannels) else: self.process.setProcessChannelMode(QProcess.SeparateChannels) self.connect(self.shell, SIGNAL("wait_for_ready_read()"), lambda: self.process.waitForReadyRead(250)) # Working directory if self.wdir is not None: self.process.setWorkingDirectory(self.wdir) #-------------------------Python specific------------------------------- # Python arguments p_args = ['-u'] + get_python_args(self.fname, self.python_args, self.interact_action.isChecked(), self.debug_action.isChecked(), self.arguments) env = [unicode(_path) for _path in self.process.systemEnvironment()] if self.pythonstartup: env.append('PYTHONSTARTUP=%s' % self.pythonstartup) # Monitor if self.monitor_enabled: env.append('SPYDER_SHELL_ID=%s' % id(self)) env.append('SPYDER_AR_TIMEOUT=%d' % self.autorefresh_timeout) env.append('SPYDER_AR_STATE=%r' % self.autorefresh_state) from spyderlib.widgets.externalshell import introspection introspection_server = introspection.start_introspection_server() introspection_server.register(self) notification_server = introspection.start_notification_server() self.notification_thread = notification_server.register(self) self.connect(self.notification_thread, SIGNAL('pdb(QString,int)'), lambda fname, lineno: self.emit(SIGNAL('pdb(QString,int)'), fname, lineno)) self.connect(self.notification_thread, SIGNAL('new_ipython_kernel(QString)'), lambda args: self.emit(SIGNAL('create_ipython_frontend(QString)'), args)) self.connect(self.notification_thread, SIGNAL('open_file(QString,int)'), lambda fname, lineno: self.emit(SIGNAL('open_file(QString,int)'), fname, lineno)) if self.namespacebrowser is not None: self.configure_namespacebrowser() env.append('SPYDER_I_PORT=%d' % introspection_server.port) env.append('SPYDER_N_PORT=%d' % notification_server.port) # External modules options env.append('ETS_TOOLKIT=%s' % self.ets_backend) env.append('MATPLOTLIB_PATCH=%r' % self.mpl_patch_enabled) if self.mpl_backend: env.append('MATPLOTLIB_BACKEND=%s' % self.mpl_backend) if self.qt_api: env.append('QT_API=%s' % self.qt_api) env.append('INSTALL_QT_INPUTHOOK=%s' % self.install_qt_inputhook) env.append('COLORIZE_SYS_STDERR=%s' % self.colorize_sys_stderr) # # Socket-based alternative (see input hook in sitecustomize.py): # if self.install_qt_inputhook: # from PyQt4.QtNetwork import QLocalServer # self.local_server = QLocalServer() # self.local_server.listen(str(id(self))) if self.pyqt_api: env.append('PYQT_API=%d' % self.pyqt_api) env.append('IGNORE_SIP_SETAPI_ERRORS=%s' % self.ignore_sip_setapi_errors) # User Module Deleter if self.is_interpreter: env.append('UMD_ENABLED=%r' % self.umd_enabled) env.append('UMD_NAMELIST=%s' % ','.join(self.umd_namelist)) env.append('UMD_VERBOSE=%r' % self.umd_verbose) # IPython related configuration if self.is_ipython_shell: env.append('IPYTHON=True') # Do not call msvcrt.getch in IPython.genutils.page_more: env.append('TERM=emacs') elif self.is_ipython_kernel: env.append('IPYTHON_KERNEL=True') pathlist = [] # Fix encoding with custom "sitecustomize.py" scpath = osp.dirname(osp.abspath(__file__)) pathlist.append(scpath) # Adding Spyder path pathlist += self.path # Adding path list to PYTHONPATH environment variable add_pathlist_to_PYTHONPATH(env, pathlist) self.process.setEnvironment(env) #-------------------------Python specific------------------------------- self.connect(self.process, SIGNAL("readyReadStandardOutput()"), self.write_output) self.connect(self.process, SIGNAL("readyReadStandardError()"), self.write_error) self.connect(self.process, SIGNAL("finished(int,QProcess::ExitStatus)"), self.finished) self.connect(self, SIGNAL('finished()'), self.dialog_manager.close_all) self.connect(self.terminate_button, SIGNAL("clicked()"), self.process.terminate) self.connect(self.kill_button, SIGNAL("clicked()"), self.process.kill) #-------------------------Python specific------------------------------- executable = self.pythonexecutable if executable is None: executable = get_python_executable() self.process.start(executable, p_args) #-------------------------Python specific------------------------------- running = self.process.waitForStarted() self.set_running_state(running) if not running: QMessageBox.critical(self, _("Error"), _("Process failed to start")) else: self.shell.setFocus() self.emit(SIGNAL('started()')) return self.process #=============================================================================== # Input/Output #=============================================================================== def write_error(self): if os.name == 'nt': #---This is apparently necessary only on Windows (not sure though): # emptying standard output buffer before writing error output self.process.setReadChannel(QProcess.StandardOutput) if self.process.waitForReadyRead(1): self.write_output() self.shell.write_error(self.get_stderr()) QApplication.processEvents() def send_to_process(self, text): if not isinstance(text, basestring): text = unicode(text) if self.install_qt_inputhook and not self.is_ipython_shell: # For now, the Spyder's input hook does not work with IPython: # with IPython v0.10 or non-Windows platforms, this is not a # problem. However, with IPython v0.11 on Windows, this will be # fixed by patching IPython to force it to use our inputhook. communicate(self.introspection_socket, "toggle_inputhook_flag(True)") # # Socket-based alternative (see input hook in sitecustomize.py): # while self.local_server.hasPendingConnections(): # self.local_server.nextPendingConnection().write('go!') if not self.is_ipython_shell and text.startswith(('%', '!')): text = 'evalsc(r"%s")\n' % text if not text.endswith('\n'): text += '\n' self.process.write(locale_codec.fromUnicode(text)) self.process.waitForBytesWritten(-1) # Eventually write prompt faster (when hitting Enter continuously) # -- necessary/working on Windows only: if os.name == 'nt': self.write_error() def keyboard_interrupt(self): if self.introspection_socket is not None: communicate(self.introspection_socket, "thread.interrupt_main()") def quit_monitor(self): if self.introspection_socket is not None: try: write_packet(self.introspection_socket, "thread.exit()") except socket.error: pass #=============================================================================== # Globals explorer #=============================================================================== def toggle_globals_explorer(self, state): if self.stand_alone is not None: self.splitter.setSizes([1, 1 if state else 0]) self.namespacebrowser_button.setChecked(state) if state and self.namespacebrowser is not None: self.namespacebrowser.refresh_table() def splitter_moved(self, pos, index): self.namespacebrowser_button.setChecked( self.splitter.sizes()[1] ) #=============================================================================== # Misc. #=============================================================================== def set_current_working_directory(self): """Set current working directory""" cwd = self.shell.get_cwd() self.emit(SIGNAL('redirect_stdio(bool)'), False) directory = getexistingdirectory(self, _("Select directory"), cwd) if directory: self.shell.set_cwd(directory) self.emit(SIGNAL('redirect_stdio(bool)'), True) def show_env(self): """Show environment variables""" get_func = self.shell.get_env set_func = self.shell.set_env self.dialog_manager.show(RemoteEnvDialog(get_func, set_func)) def show_syspath(self): """Show sys.path contents""" editor = DictEditor() editor.setup(self.shell.get_syspath(), title="sys.path", readonly=True, width=600, icon='syspath.png') self.dialog_manager.show(editor)