def add_shellwidget(self, shellwidget):
shellwidget_id = id(shellwidget)
# Add shell only once: this method may be called two times in a row
# by the External console plugin (dev. convenience)
from SMlib.widgets.externalshell import systemshell
if isinstance(shellwidget, systemshell.ExternalSystemShell):
return
if shellwidget_id not in self.shellwidgets:
nsb = NamespaceBrowser(self)
nsb.set_shellwidget(shellwidget)
nsb.setup(**VariableExplorer.get_settings())
nsb.sig_option_changed.connect(self.sig_option_changed.emit)
self.addWidget(nsb)
self.shellwidgets[shellwidget_id] = nsb
self.set_shellwidget_from_id(shellwidget_id)
return nsb
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 add_shellwidget(self, shellwidget):
shellwidget_id = id(shellwidget)
# Add shell only once: this method may be called two times in a row
# by the External console plugin (dev. convenience)
from SMlib.widgets.externalshell import systemshell
if isinstance(shellwidget, systemshell.ExternalSystemShell):
return
if shellwidget_id not in self.shellwidgets:
nsb = NamespaceBrowser(self)
nsb.set_shellwidget(shellwidget)
nsb.setup(**VariableExplorer.get_settings())
nsb.sig_option_changed.connect(self.sig_option_changed.emit)
self.addWidget(nsb)
self.shellwidgets[shellwidget_id] = nsb
self.set_shellwidget_from_id(shellwidget_id)
return nsb
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
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='',
ipykernel=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=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 isinstance(python_args, basestring)
self.python_args = python_args
assert isinstance(arguments, basestring)
self.arguments = arguments
self.connection_file = None
self.is_ipykernel = ipykernel
if self.is_ipykernel:
interact = False
# Running our custom startup script for IPython kernels:
# (see spyderlib/widgets/externalshell/start_ipython_kernel.py)
self.fname = get_module_source_path(
'SMlib.widgets.externalshell', 'start_ipython_kernel.py')
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
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('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 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)
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:
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']
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 = [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 SMlib.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_client(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 kernel
env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel)
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)
#-------------------------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-------------------------------
# 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. Add this file's dir to PYTHONPATH. This will make every external
# interpreter to use our sitecustomize script.
# 3. Remove PYTHONOPTIMIZE from env so that we can have assert
# statements working with our interpreters (See Issue 1281)
if sys.platform == 'darwin' and 'Spyder.app' in __file__:
env.append('SPYDER_INTERPRETER=%s' % self.pythonexecutable)
if 'Spyder.app' not in self.pythonexecutable:
env = [p for p in env if not (p.startswith('PYTHONPATH') or \
p.startswith('PYTHONHOME'))] # 1.
env.append('PYTHONPATH=%s' % osp.dirname(__file__)) # 2.
env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')] # 3.
self.process.setEnvironment(env)
self.process.start(self.pythonexecutable, p_args)
#-------------------------Python specific-------------------------------
running = self.process.waitForStarted(3000)
self.set_running_state(running)
if not running:
QMessageBox.critical(self, _("Error"),
_("A Python or IPython Console failed to start!"))
else:
self.shell.setFocus()
self.emit(SIGNAL('started()'))
return self.process
def finished(self, exit_code, exit_status):
"""Reimplement ExternalShellBase method"""
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 isinstance(text, basestring):
text = unicode(text)
if self.install_qt_inputhook 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 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)
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='',
ipykernel=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=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 isinstance(python_args, basestring)
self.python_args = python_args
assert isinstance(arguments, basestring)
self.arguments = arguments
self.connection_file = None
self.is_ipykernel = ipykernel
if self.is_ipykernel:
interact = False
# Running our custom startup script for IPython kernels:
# (see spyderlib/widgets/externalshell/start_ipython_kernel.py)
self.fname = get_module_source_path('SMlib.widgets.externalshell',
'start_ipython_kernel.py')
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
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('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 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)
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:
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']
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 = [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 SMlib.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_client(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 kernel
env.append('IPYTHON_KERNEL=%r' % self.is_ipykernel)
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)
#-------------------------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-------------------------------
# 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. Add this file's dir to PYTHONPATH. This will make every external
# interpreter to use our sitecustomize script.
# 3. Remove PYTHONOPTIMIZE from env so that we can have assert
# statements working with our interpreters (See Issue 1281)
if sys.platform == 'darwin' and 'Spyder.app' in __file__:
env.append('SPYDER_INTERPRETER=%s' % self.pythonexecutable)
if 'Spyder.app' not in self.pythonexecutable:
env = [p for p in env if not (p.startswith('PYTHONPATH') or \
p.startswith('PYTHONHOME'))] # 1.
env.append('PYTHONPATH=%s' % osp.dirname(__file__)) # 2.
env = [p for p in env if not p.startswith('PYTHONOPTIMIZE')] # 3.
self.process.setEnvironment(env)
self.process.start(self.pythonexecutable, p_args)
#-------------------------Python specific-------------------------------
running = self.process.waitForStarted(3000)
self.set_running_state(running)
if not running:
QMessageBox.critical(
self, _("Error"),
_("A Python or IPython Console failed to start!"))
else:
self.shell.setFocus()
self.emit(SIGNAL('started()'))
return self.process
def finished(self, exit_code, exit_status):
"""Reimplement ExternalShellBase method"""
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 isinstance(text, basestring):
text = unicode(text)
if self.install_qt_inputhook 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 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)
