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):
SpyderPluginWidget.__init__(self, parent)
logger.info("Initializing...")
self.dialog_manager = DialogManager()
# Shell
self.shell = InternalShell(parent, namespace, commands, message,
self.get_option('max_line_count'),
self.get_font(), exitfunc, profile,
multithreaded)
self.shell.status.connect(
lambda msg: self.sig_show_status_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))
# Find/replace widget
self.find_widget = FindReplace(self)
self.find_widget.set_editor(self.shell)
self.find_widget.hide()
self.register_widget_shortcuts(self.find_widget)
# Main layout
btn_layout = QHBoxLayout()
btn_layout.setAlignment(Qt.AlignLeft)
btn_layout.addStretch()
btn_layout.addWidget(self.options_button, Qt.AlignRight)
layout = create_plugin_layout(btn_layout)
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)
# Traceback MessageBox
self.error_dlg = None
self.error_traceback = ""
self.dismiss_error = False
#------ 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 update_font(self):
"""Update font from Preferences"""
font = self.get_font()
self.shell.set_font(font)
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 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)
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'))
codecompletion_action = create_action(
self,
_("Automatic code completion"),
toggled=self.toggle_codecompletion)
codecompletion_action.setChecked(
self.get_option('codecompletion/auto'))
option_menu = QMenu(_('Internal console settings'), self)
option_menu.setIcon(ima.icon('tooloptions'))
add_actions(option_menu, (buffer_action, wrap_action,
codecompletion_action, exteditor_action))
plugin_actions = [
None, run_action, environ_action, syspath_action, option_menu,
MENU_SEPARATOR, quit_action
]
return plugin_actions
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.focus_changed.connect(self.main.plugin_focus_changed)
self.add_dockwidget()
# Connecting the following signal once the dockwidget has been created:
self.shell.exception_occurred.connect(self.exception_occurred)
def exception_occurred(self, text, is_traceback, is_pyls_error=False):
"""
Exception ocurred in the internal console.
Show a QDialog or the internal console to warn the user.
"""
# Skip errors without traceback or dismiss
if (not is_traceback and self.error_dlg is None) or self.dismiss_error:
return
if CONF.get('main', 'show_internal_errors'):
if self.error_dlg is None:
self.error_dlg = SpyderErrorDialog(self)
self.error_dlg.set_color_scheme(
CONF.get('appearance', 'selected'))
self.error_dlg.close_btn.clicked.connect(self.close_error_dlg)
self.error_dlg.rejected.connect(self.remove_error_dlg)
self.error_dlg.details.go_to_error.connect(self.go_to_error)
if is_pyls_error:
title = "Internal Python Language Server error"
self.error_dlg.set_title(title)
self.error_dlg.title.setEnabled(False)
self.error_dlg.append_traceback(text)
self.error_dlg.show()
elif DEV or get_debug_level():
self.switch_to_plugin()
def close_error_dlg(self):
"""Close error dialog."""
if self.error_dlg.dismiss_box.isChecked():
self.dismiss_error = True
self.error_dlg.reject()
def remove_error_dlg(self):
"""Remove error dialog."""
self.error_dlg = None
#------ Public API ---------------------------------------------------------
@Slot()
def quit(self):
"""Quit mainwindow"""
self.main.close()
@Slot()
def show_env(self):
"""Show environment variables"""
self.dialog_manager.show(EnvDialog(parent=self))
@Slot()
def show_syspath(self):
"""Show sys.path"""
editor = CollectionsEditor(parent=self)
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_or_home(),
_("Python scripts") + " (*.py ; *.pyw ; *.ipy)")
self.shell.interpreter.redirect_stds()
if filename:
os.chdir(osp.dirname(filename))
filename = osp.basename(filename)
else:
return
logger.debug("Running script with %s", 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:
self.switch_to_plugin()
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_max_line_count(self):
"Change maximum line count" ""
mlc, valid = QInputDialog.getInt(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_codecompletion(self, checked):
"""Toggle automatic code completion"""
self.shell.set_codecompletion_auto(checked)
self.set_option('codecompletion/auto', 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 ConsoleWidget(PluginMainWidget):
# --- Signals
# This signal emits a parsed error traceback text so we can then
# request opening the file that traceback comes from in the Editor.
sig_edit_goto_requested = Signal(str, int, str)
# TODO: I do not think we use this?
sig_focus_changed = Signal()
# Emit this when the interpreter buffer is flushed
sig_refreshed = Signal()
# Request to show a status message on the main window
sig_show_status_requested = Signal(str)
# Request the main application to quit.
sig_quit_requested = Signal()
sig_help_requested = Signal(dict)
"""
This signal is emitted to request help on a given object `name`.
Parameters
----------
help_data: dict
Example `{'name': str, 'ignore_unknown': bool}`.
"""
def __init__(self, name, plugin, parent=None):
super().__init__(name, plugin, parent)
logger.info("Initializing...")
# Traceback MessageBox
self.error_traceback = ''
self.dismiss_error = False
# Widgets
self.dialog_manager = DialogManager()
self.error_dlg = None
self.shell = InternalShell( # TODO: Move to use SpyderWidgetMixin?
parent=parent,
namespace=self.get_conf('namespace', {}),
commands=self.get_conf('commands', []),
message=self.get_conf('message', ''),
max_line_count=self.get_conf('max_line_count'),
profile=self.get_conf('profile', False),
multithreaded=self.get_conf('multithreaded', False),
)
self.find_widget = FindReplace(self)
# Setup
self.setAcceptDrops(True)
self.find_widget.set_editor(self.shell)
self.find_widget.hide()
self.shell.toggle_wrap_mode(self.get_conf('wrap'))
# Layout
layout = QVBoxLayout()
layout.addWidget(self.shell)
layout.addWidget(self.find_widget)
self.setLayout(layout)
# Signals
self.shell.sig_help_requested.connect(self.sig_help_requested)
self.shell.sig_exception_occurred.connect(self.handle_exception)
self.shell.sig_focus_changed.connect(self.sig_focus_changed)
self.shell.sig_go_to_error_requested.connect(self.go_to_error)
self.shell.sig_redirect_stdio_requested.connect(
self.sig_redirect_stdio_requested)
self.shell.sig_refreshed.connect(self.sig_refreshed)
self.shell.sig_show_status_requested.connect(
lambda msg: self.sig_show_status_message.emit(msg, 0))
# --- PluginMainWidget API
# ------------------------------------------------------------------------
def get_title(self):
return _('Internal console')
def setup(self):
# TODO: Move this to the shell
self.quit_action = self.create_action(
ConsoleWidgetActions.Quit,
text=_("&Quit"),
tip=_("Quit"),
icon=self.create_icon('exit'),
triggered=self.sig_quit_requested,
context=Qt.ApplicationShortcut,
shortcut_context="_",
register_shortcut=True)
run_action = self.create_action(
ConsoleWidgetActions.Run,
text=_("&Run..."),
tip=_("Run a Python script"),
icon=self.create_icon('run_small'),
triggered=self.run_script,
)
environ_action = self.create_action(
ConsoleWidgetActions.Environment,
text=_("Environment variables..."),
tip=_("Show and edit environment variables (for current "
"session)"),
icon=self.create_icon('environ'),
triggered=self.show_env,
)
syspath_action = self.create_action(
ConsoleWidgetActions.SysPath,
text=_("Show sys.path contents..."),
tip=_("Show (read-only) sys.path"),
icon=self.create_icon('syspath'),
triggered=self.show_syspath,
)
buffer_action = self.create_action(
ConsoleWidgetActions.MaxLineCount,
text=_("Buffer..."),
tip=_("Set maximum line count"),
triggered=self.change_max_line_count,
)
exteditor_action = self.create_action(
ConsoleWidgetActions.ExternalEditor,
text=_("External editor path..."),
tip=_("Set external editor executable path"),
triggered=self.change_exteditor,
)
wrap_action = self.create_action(
ConsoleWidgetActions.ToggleWrap,
text=_("Wrap lines"),
toggled=lambda val: self.set_conf('wrap', val),
initial=self.get_conf('wrap'),
)
codecompletion_action = self.create_action(
ConsoleWidgetActions.ToggleCodeCompletion,
text=_("Automatic code completion"),
toggled=lambda val: self.set_conf('codecompletion/auto', val),
initial=self.get_conf('codecompletion/auto'),
)
# Submenu
internal_settings_menu = self.create_menu(
ConsoleWidgetMenus.InternalSettings,
_('Internal console settings'),
icon=self.create_icon('tooloptions'),
)
for item in [
buffer_action, wrap_action, codecompletion_action,
exteditor_action
]:
self.add_item_to_menu(
item,
menu=internal_settings_menu,
section=ConsoleWidgetInternalSettingsSubMenuSections.Main,
)
# Options menu
options_menu = self.get_options_menu()
for item in [
run_action, environ_action, syspath_action,
internal_settings_menu
]:
self.add_item_to_menu(
item,
menu=options_menu,
section=ConsoleWidgetOptionsMenuSections.Run,
)
self.add_item_to_menu(
self.quit_action,
menu=options_menu,
section=ConsoleWidgetOptionsMenuSections.Quit,
)
self.shell.set_external_editor(self.get_conf('external_editor/path'),
'')
@on_conf_change(option='max_line_count')
def max_line_count_update(self, value):
self.shell.setMaximumBlockCount(value)
@on_conf_change(option='wrap')
def wrap_mode_update(self, value):
self.shell.toggle_wrap_mode(value)
@on_conf_change(option='external_editor/path')
def external_editor_update(self, value):
self.shell.set_external_editor(value, '')
def update_actions(self):
pass
def get_focus_widget(self):
return self.shell
# --- Qt overrides
# ------------------------------------------------------------------------
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()
# --- Public API
# ------------------------------------------------------------------------
def start_interpreter(self, namespace):
"""
Start internal console interpreter.
"""
self.shell.start_interpreter(namespace)
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.sig_append_to_history_requested.connect(
historylog.append_to_history)
def set_help(self, help_plugin):
"""
Bind help instance to this console.
"""
self.shell.help = help_plugin
def report_issue(self):
"""Report an issue with the SpyderErrorDialog."""
self._report_dlg = SpyderErrorDialog(self, is_report=True)
self._report_dlg.set_color_scheme(
self.get_conf('selected', section='appearance'))
self._report_dlg.show()
@Slot(dict)
def handle_exception(self, error_data, sender=None, internal_plugins=None):
"""
Exception ocurred in the internal console.
Show a QDialog or the internal console to warn the user.
Handle any exception that occurs during Spyder usage.
Parameters
----------
error_data: dict
The dictionary containing error data. The expected keys are:
>>> error_data= {
"text": str,
"is_traceback": bool,
"repo": str,
"title": str,
"label": str,
"steps": str,
}
sender: spyder.api.plugins.SpyderPluginV2, optional
The sender plugin. Default is None.
Notes
-----
The `is_traceback` key indicates if `text` contains plain text or a
Python error traceback.
The `title` and `repo` keys indicate how the error data should
customize the report dialog and Github error submission.
The `label` and `steps` keys allow customizing the content of the
error dialog.
"""
text = error_data.get("text", None)
is_traceback = error_data.get("is_traceback", False)
title = error_data.get("title", "")
label = error_data.get("label", "")
steps = error_data.get("steps", "")
# Skip errors without traceback (and no text) or dismiss
if ((not text and not is_traceback and self.error_dlg is None)
or self.dismiss_error):
return
# Retrieve internal plugins
internal_plugins = PLUGIN_REGISTRY.internal_plugins
# Get if sender is internal or not
is_internal_plugin = True
if sender is not None:
sender_name = getattr(sender, 'NAME',
getattr(sender, 'CONF_SECTION'))
is_internal_plugin = sender_name in internal_plugins
# Set repo
repo = "spyder-ide/spyder"
if not is_internal_plugin:
repo = error_data.get("repo", None)
if repo is None:
raise SpyderAPIError(
f"External plugin '{sender_name}' does not define 'repo' "
"key in the 'error_data' dictionary in the form "
"my-org/my-repo (only Github is supported).")
if repo == 'spyder-ide/spyder':
raise SpyderAPIError(
f"External plugin '{sender_name}' 'repo' key needs to be "
"different from the main Spyder repo.")
if self.get_conf('show_internal_errors', section='main'):
if self.error_dlg is None:
self.error_dlg = SpyderErrorDialog(self)
self.error_dlg.set_color_scheme(
self.get_conf('selected', section='appearance'))
self.error_dlg.close_btn.clicked.connect(self.close_error_dlg)
self.error_dlg.rejected.connect(self.remove_error_dlg)
self.error_dlg.details.sig_go_to_error_requested.connect(
self.go_to_error)
# Set the report repository
self.error_dlg.set_github_repo_org(repo)
if title:
self.error_dlg.set_title(title)
self.error_dlg.title.setEnabled(False)
if label:
self.error_dlg.main_label.setText(label)
self.error_dlg.submit_btn.setEnabled(True)
if steps:
self.error_dlg.steps_text.setText(steps)
self.error_dlg.set_require_minimum_length(False)
self.error_dlg.append_traceback(text)
self.error_dlg.show()
elif DEV or get_debug_level():
self.change_visibility(True, True)
def close_error_dlg(self):
"""
Close error dialog.
"""
if self.error_dlg.dismiss_box.isChecked():
self.dismiss_error = True
self.error_dlg.reject()
def remove_error_dlg(self):
"""
Remove error dialog.
"""
self.error_dlg = None
@Slot()
def show_env(self):
"""
Show environment variables.
"""
self.dialog_manager.show(EnvDialog(parent=self))
def get_sys_path(self):
"""
Return the `sys.path`.
"""
return sys.path
@Slot()
def show_syspath(self):
"""
Show `sys.path`.
"""
editor = CollectionsEditor(parent=self)
editor.setup(
sys.path,
title="sys.path",
readonly=True,
icon=self.create_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_or_home(),
_("Python scripts") + " (*.py ; *.pyw ; *.ipy)",
)
self.shell.interpreter.redirect_stds()
if filename:
os.chdir(osp.dirname(filename))
filename = osp.basename(filename)
else:
return
logger.debug("Running script with %s", args)
filename = osp.abspath(filename)
rbs = remove_backslashes
command = "runfile('%s', args='%s')" % (rbs(filename), rbs(args))
if set_focus:
self.shell.setFocus()
self.change_visibility(True, True)
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.
"""
if filename is not None:
# Called from InternalShell
self.shell.external_editor(filename, goto)
self.sig_edit_goto_requested.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_max_line_count(self, value=None):
""""
Change maximum line count.
"""
valid = True
if value is None:
value, valid = QInputDialog.getInt(
self,
_('Buffer'),
_('Maximum line count'),
self.get_conf('max_line_count'),
0,
1000000,
)
if valid:
self.set_conf('max_line_count', value)
@Slot()
def change_exteditor(self, path=None):
"""
Change external editor path.
"""
valid = True
if path is None:
path, valid = QInputDialog.getText(
self,
_('External editor'),
_('External editor executable path:'),
QLineEdit.Normal,
self.get_conf('external_editor/path'),
)
if valid:
self.set_conf('external_editor/path', to_text_string(path))
def set_exit_function(self, func):
"""
Set the callback function to execute when the `exit_interpreter` is
called.
"""
self.shell.exitfunc = func
def set_font(self, font):
"""
Set font of the internal shell.
"""
self.shell.set_font(font)
def redirect_stds(self):
"""
Redirect stdout and stderr when using open file dialogs.
"""
self.shell.interpreter.redirect_stds()
def restore_stds(self):
"""
Restore stdout and stderr when using open file dialogs.
"""
self.shell.interpreter.restore_stds()
def set_namespace_item(self, name, item):
"""
Add an object to the namespace dictionary of the internal console.
"""
self.shell.interpreter.namespace[name] = item
def exit_interpreter(self):
"""
Exit the internal console interpreter.
This is equivalent to requesting the main application to quit.
"""
self.shell.exit_interpreter()
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):
SpyderPluginWidget.__init__(self, parent)
logger.info("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(self.find_widget)
# Main layout
btn_layout = QHBoxLayout()
btn_layout.setAlignment(Qt.AlignLeft)
btn_layout.addStretch()
btn_layout.addWidget(self.options_button, Qt.AlignRight)
layout = create_plugin_layout(btn_layout)
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)
# Traceback MessageBox
self.error_dlg = None
self.error_traceback = ""
self.dismiss_error = False
#------ 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 update_font(self):
"""Update font from Preferences"""
font = self.get_plugin_font()
self.shell.set_font(font)
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)
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, wrap_action,
calltips_action, codecompletion_action,
codecompenter_action, exteditor_action))
plugin_actions = [None, run_action, environ_action, syspath_action,
option_menu, MENU_SEPARATOR, quit_action,
self.undock_action]
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.exception_occurred.connect(self.exception_occurred)
def exception_occurred(self, text, is_traceback):
"""
Exception ocurred in the internal console.
Show a QDialog or the internal console to warn the user.
"""
# Skip errors without traceback or dismiss
if (not is_traceback and self.error_dlg is None) or self.dismiss_error:
return
if CONF.get('main', 'show_internal_errors'):
if self.error_dlg is None:
self.error_dlg = SpyderErrorDialog(self)
self.error_dlg.close_btn.clicked.connect(self.close_error_dlg)
self.error_dlg.rejected.connect(self.remove_error_dlg)
self.error_dlg.details.go_to_error.connect(self.go_to_error)
self.error_dlg.show()
self.error_dlg.append_traceback(text)
elif DEV or get_debug_level():
self.dockwidget.show()
self.dockwidget.raise_()
def close_error_dlg(self):
"""Close error dialog."""
if self.error_dlg.dismiss_box.isChecked():
self.dismiss_error = True
self.error_dlg.reject()
def remove_error_dlg(self):
"""Remove error dialog."""
self.error_dlg = None
#------ 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_or_home(),
_("Python scripts")+" (*.py ; *.pyw ; *.ipy)")
self.shell.interpreter.redirect_stds()
if filename:
os.chdir( osp.dirname(filename) )
filename = osp.basename(filename)
else:
return
logger.debug("Running script with %s", 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_max_line_count(self):
"Change maximum line count"""
mlc, valid = QInputDialog.getInt(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 ConsoleWidget(PluginMainWidget):
DEFAULT_OPTIONS = {
'codecompletion/auto': True,
'commands': [],
'external_editor/gotoline': '',
'external_editor/path': '',
'max_line_count': 300,
'message': 'Internal console\n\n',
'multithreaded': False,
'namespace': None,
'profile': False,
'show_internal_errors': True,
'wrap': True,
# From appearance
'color_theme': 'spyder/dark',
}
# --- Signals
# This signal emits a parsed error traceback text so we can then
# request opening the file that traceback comes from in the Editor.
sig_edit_goto_requested = Signal(str, int, str)
# TODO: I do not think we use this?
sig_focus_changed = Signal()
# Emit this when the interpreter buffer is flushed
sig_refreshed = Signal()
# Request to show a status message on the main window
sig_show_status_requested = Signal(str)
# Request the main application to quit.
sig_quit_requested = Signal()
sig_help_requested = Signal(dict)
"""
This signal is emitted to request help on a given object `name`.
Parameters
----------
help_data: dict
Example `{'name': str, 'ignore_unknown': bool}`.
"""
def __init__(self, name, plugin, parent=None, options=DEFAULT_OPTIONS):
super().__init__(name, plugin, parent, options)
logger.info("Initializing...")
# Traceback MessageBox
self.error_traceback = ''
self.dismiss_error = False
# Widgets
self.dialog_manager = DialogManager()
self.error_dlg = None
self.shell = InternalShell( # TODO: Move to use SpyderWidgetMixin?
parent=parent,
namespace=self.get_option('namespace'),
commands=self.get_option('commands'),
message=self.get_option('message'),
max_line_count=self.get_option('max_line_count'),
profile=self.get_option('profile'),
multithreaded=self.get_option('multithreaded'),
)
self.find_widget = FindReplace(self)
# Setup
self.setAcceptDrops(True)
self.find_widget.set_editor(self.shell)
self.find_widget.hide()
self.shell.toggle_wrap_mode(self.get_option('wrap'))
# Layout
layout = QVBoxLayout()
layout.addWidget(self.shell)
layout.addWidget(self.find_widget)
self.setLayout(layout)
# Signals
self.shell.sig_help_requested.connect(self.sig_help_requested)
self.shell.sig_exception_occurred.connect(self.handle_exception)
self.shell.sig_focus_changed.connect(self.sig_focus_changed)
self.shell.sig_go_to_error_requested.connect(self.go_to_error)
self.shell.sig_redirect_stdio_requested.connect(
self.sig_redirect_stdio_requested)
self.shell.sig_refreshed.connect(self.sig_refreshed)
self.shell.sig_show_status_requested.connect(
lambda msg: self.sig_show_status_message.emit(msg, 0))
# --- PluginMainWidget API
# ------------------------------------------------------------------------
def get_title(self):
return _('Internal console')
def setup(self, options):
# TODO: Move this to the shell
quit_action = self.create_action(
ConsoleWidgetActions.Quit,
text=_("&Quit"),
tip=_("Quit"),
icon=self.create_icon('exit'),
triggered=self.sig_quit_requested,
context=Qt.ApplicationShortcut,
)
run_action = self.create_action(
ConsoleWidgetActions.Run,
text=_("&Run..."),
tip=_("Run a Python script"),
icon=self.create_icon('run_small'),
triggered=self.run_script,
)
environ_action = self.create_action(
ConsoleWidgetActions.Environment,
text=_("Environment variables..."),
tip=_("Show and edit environment variables (for current "
"session)"),
icon=self.create_icon('environ'),
triggered=self.show_env,
)
syspath_action = self.create_action(
ConsoleWidgetActions.SysPath,
text=_("Show sys.path contents..."),
tip=_("Show (read-only) sys.path"),
icon=self.create_icon('syspath'),
triggered=self.show_syspath,
)
buffer_action = self.create_action(
ConsoleWidgetActions.MaxLineCount,
text=_("Buffer..."),
tip=_("Set maximum line count"),
triggered=self.change_max_line_count,
)
exteditor_action = self.create_action(
ConsoleWidgetActions.ExternalEditor,
text=_("External editor path..."),
tip=_("Set external editor executable path"),
triggered=self.change_exteditor,
)
wrap_action = self.create_action(
ConsoleWidgetActions.ToggleWrap,
text=_("Wrap lines"),
toggled=lambda val: self.set_option('wrap', val),
initial=self.get_option('wrap'),
)
codecompletion_action = self.create_action(
ConsoleWidgetActions.ToggleCodeCompletion,
text=_("Automatic code completion"),
toggled=lambda val: self.set_option('codecompletion/auto', val),
initial=self.get_option('codecompletion/auto'),
)
# Submenu
internal_settings_menu = self.create_menu(
ConsoleWidgetMenus.InternalSettings,
_('Internal console settings'),
)
for item in [buffer_action, wrap_action, codecompletion_action,
exteditor_action]:
self.add_item_to_menu(
item,
menu=internal_settings_menu,
section=ConsoleWidgetInternalSettingsSubMenuSections.Main,
)
# Options menu
options_menu = self.get_options_menu()
for item in [run_action, environ_action, syspath_action,
internal_settings_menu]:
self.add_item_to_menu(
item,
menu=options_menu,
section=ConsoleWidgetOptionsMenuSections.Run,
)
self.add_item_to_menu(
quit_action,
menu=options_menu,
section=ConsoleWidgetOptionsMenuSections.Quit,
)
self.shell.set_external_editor(
self.get_option('external_editor/path'), '')
def on_option_update(self, option, value):
if option == 'max_line_count':
self.shell.setMaximumBlockCount(value)
elif option == 'wrap':
self.shell.toggle_wrap_mode(value)
elif option == 'codecompletion/auto':
self.shell.set_codecompletion_auto(value)
elif option == 'external_editor/path':
self.shell.set_external_editor(value, '')
def update_actions(self):
# This method is a required part of the PluginMainWidget API. On this
# widget it is not currently used.
pass
def get_focus_widget(self):
return self.shell
# --- Qt overrides
# ------------------------------------------------------------------------
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()
# --- Public API
# ------------------------------------------------------------------------
def start_interpreter(self, namespace):
"""
Start internal console interpreter.
"""
self.shell.start_interpreter(namespace)
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
def handle_exception(self, text, is_traceback, is_pyls_error=False,
is_faulthandler_report=False):
"""
Exception ocurred in the internal console.
Show a QDialog or the internal console to warn the user.
"""
# Skip errors without traceback or dismiss
if (not is_traceback and self.error_dlg is None) or self.dismiss_error:
return
if self.get_option('show_internal_errors'):
if self.error_dlg is None:
self.error_dlg = SpyderErrorDialog(self)
self.error_dlg.set_color_scheme(self.get_option('color_theme'))
self.error_dlg.close_btn.clicked.connect(self.close_error_dlg)
self.error_dlg.rejected.connect(self.remove_error_dlg)
self.error_dlg.details.go_to_error.connect(self.go_to_error)
if is_pyls_error:
title = "Internal Python Language Server error"
self.error_dlg.set_title(title)
self.error_dlg.title.setEnabled(False)
if is_faulthandler_report:
title = "Segmentation fault crash"
self.error_dlg.set_title(title)
self.error_dlg.title.setEnabled(False)
self.error_dlg.main_label.setText(
_("<h3>Spyder crashed during last session</h3>"))
self.error_dlg.submit_btn.setEnabled(True)
self.error_dlg.steps_text.setText(
_("Please provide any additional information you "
"might have about the crash."))
self.error_dlg.set_require_minimum_length(False)
self.error_dlg.append_traceback(text)
self.error_dlg.show()
elif DEV or get_debug_level():
self.change_visibility(True, True)
def close_error_dlg(self):
"""
Close error dialog.
"""
if self.error_dlg.dismiss_box.isChecked():
self.dismiss_error = True
self.error_dlg.reject()
def remove_error_dlg(self):
"""
Remove error dialog.
"""
self.error_dlg = None
@Slot()
def show_env(self):
"""
Show environment variables.
"""
self.dialog_manager.show(EnvDialog(parent=self))
def get_sys_path(self):
"""
Return the `sys.path`.
"""
return sys.path
@Slot()
def show_syspath(self):
"""
Show `sys.path`.
"""
editor = CollectionsEditor(parent=self)
editor.setup(
sys.path,
title="sys.path",
readonly=True,
icon=self.create_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_or_home(),
_("Python scripts") + " (*.py ; *.pyw ; *.ipy)",
)
self.shell.interpreter.redirect_stds()
if filename:
os.chdir(osp.dirname(filename))
filename = osp.basename(filename)
else:
return
logger.debug("Running script with %s", args)
filename = osp.abspath(filename)
rbs = remove_backslashes
command = "runfile('%s', args='%s')" % (rbs(filename), rbs(args))
if set_focus:
self.shell.setFocus()
self.change_visibility(True, True)
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.
"""
if filename is not None:
# Called from InternalShell
self.shell.external_editor(filename, goto)
self.sig_edit_goto_requested.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_max_line_count(self, value=None):
""""
Change maximum line count.
"""
valid = True
if value is None:
value, valid = QInputDialog.getInt(
self,
_('Buffer'),
_('Maximum line count'),
self.get_option('max_line_count'),
0,
1000000,
)
if valid:
self.set_option('max_line_count', value)
@Slot()
def change_exteditor(self, path=None):
"""
Change external editor path.
"""
valid = True
if path is None:
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))
def set_exit_function(self, func):
"""
Set the callback function to execute when the `exit_interpreter` is
called.
"""
self.shell.exitfunc = func
def set_font(self, font):
"""
Set font of the internal shell.
"""
self.shell.set_font(font)
def redirect_stds(self):
"""
Redirect stdout and stderr when using open file dialogs.
"""
self.shell.interpreter.redirect_stds()
def restore_stds(self):
"""
Restore stdout and stderr when using open file dialogs.
"""
self.shell.interpreter.restore_stds()
def set_namespace_item(self, name, item):
"""
Add an object to the namespace dictionary of the internal console.
"""
self.shell.interpreter.namespace[name] = item
def exit_interpreter(self):
"""
Exit the internal console interpreter.
This is equivalent to requesting the main application to quit.
"""
self.shell.exit_interpreter()
