Source code for pyface.tasks.contrib.python_shell

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#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
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"""
Module defining a simple Python shell task.

This task provides a view with a simple Python shell.  This shouldn't be
confused with a more full-featured shell, such as those provided by IPython.
"""


import logging


from traits.api import Str, List, Dict, Instance
from pyface.api import PythonShell, FileDialog, OK
from pyface.action.schema.api import SMenu, SMenuBar
from pyface.tasks.api import Task, TaskPane
from pyface.tasks.action.api import TaskAction

# set up logging
logger = logging.getLogger()


[docs]class PythonShellPane(TaskPane): """ A Tasks Pane containing a Pyface PythonShell """ id = "pyface.tasks.contrib.python_shell.pane" name = "Python Shell" editor = Instance(PythonShell) bindings = List(Dict) commands = List(Str)
[docs] def create(self, parent): """ Create the python shell task pane This wraps the standard pyface PythonShell """ logger.debug("PythonShellPane: creating python shell pane") self.editor = PythonShell(parent) self.control = self.editor.control # bind namespace logger.debug("PythonShellPane: binding variables") for binding in self.bindings: for name, value in binding.items(): self.editor.bind(name, value) # execute commands logger.debug("PythonShellPane: executing startup commands") for command in self.commands: self.editor.execute_command(command) logger.debug("PythonShellPane: created")
[docs] def destroy(self): """ Destroy the python shell task pane """ logger.debug("PythonShellPane: destroying python shell pane") self.editor.destroy() self.control = self.editor = None logger.debug("PythonShellPane: destroyed")
[docs]class PythonShellTask(Task): """ A task which provides a simple Python Shell to the user. """ # Task Interface id = "pyface.tasks.contrib.python_shell" name = "Python Shell" # The list of bindings for the shell bindings = List(Dict) # The list of commands to run on shell startup commands = List(Str) # the IPythonShell instance that we are interacting with pane = Instance(PythonShellPane) # Task Interface menu_bar = SMenuBar( SMenu( TaskAction(name="Open...", method="open", accelerator="Ctrl+O"), id="File", name="&File", ), SMenu(id="View", name="&View"), )
[docs] def create_central_pane(self): """ Create a view pane with a Python shell """ logger.debug("Creating Python shell pane in central pane") self.pane = PythonShellPane( bindings=self.bindings, commands=self.commands ) return self.pane
# PythonShellTask API
[docs] def open(self): """ Shows a dialog to open a file. """ logger.debug("PythonShellTask: opening file") dialog = FileDialog(parent=self.window.control, wildcard="*.py") if dialog.open() == OK: self._open_file(dialog.path)
# Private API def _open_file(self, path): """ Execute the selected file in the editor's interpreter """ logger.debug('PythonShellTask: executing file "%s"' % path) self.pane.editor.execute_file(path)