def get_shell_widget(self):
# Globals explorer
self.globalsexplorer = GlobalsExplorer(self)
self.connect(self.globalsexplorer, 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.globalsexplorer)
splitter.setStretchFactor(0, 2)
splitter.setStretchFactor(1, 1)
return splitter
def get_shell_widget(self):
# Globals explorer
self.globalsexplorer = GlobalsExplorer(self)
self.connect(self.globalsexplorer, 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.globalsexplorer)
splitter.setStretchFactor(0, 2)
splitter.setStretchFactor(1, 1)
return splitter
class ExternalPythonShell(ExternalShellBase):
"""External Shell widget: execute Python script in a separate process"""
SHELL_CLASS = ExtPyQsciShell
def __init__(self, parent=None, fname=None, wdir=None, commands=[],
interact=False, debug=False, path=[]):
ExternalShellBase.__init__(self, parent, wdir,
history_filename='.history_ec.py')
self.shell.set_externalshell(self)
self.toggle_globals_explorer(False)
self.interact_check.setChecked(interact)
self.debug_check.setChecked(debug)
self.monitor_socket = None
self.interpreter = fname is None
self.fname = startup.__file__ if fname is None else fname
if self.interpreter:
self.interact_check.hide()
self.debug_check.hide()
self.terminate_button.hide()
self.commands = ["import sys", "sys.path.insert(0, '')"] + commands
# Additional python path list
self.path = path
def get_toolbar_buttons(self):
ExternalShellBase.get_toolbar_buttons(self)
self.globalsexplorer_button = create_toolbutton(self,
get_icon('dictedit.png'), self.tr("Variables"),
tip=self.tr("Show/hide global variables explorer"),
toggled=self.toggle_globals_explorer)
self.terminate_button = create_toolbutton(self,
get_icon('terminate.png'), self.tr("Terminate"),
tip=self.tr("Attempts to terminate the process.\n"
"The process may not exit as a result of clicking "
"this button\n(it is given the chance to prompt "
"the user for any unsaved files, etc)."))
self.interact_check = QCheckBox(self.tr("Interact"), self)
self.debug_check = QCheckBox(self.tr("Debug"), self)
return [self.interact_check, self.debug_check,
self.globalsexplorer_button, self.run_button,
self.terminate_button, self.kill_button]
def get_shell_widget(self):
# Globals explorer
self.globalsexplorer = GlobalsExplorer(self)
self.connect(self.globalsexplorer, 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.globalsexplorer)
splitter.setStretchFactor(0, 2)
splitter.setStretchFactor(1, 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_check.setEnabled(not state)
self.debug_check.setEnabled(not state)
self.terminate_button.setEnabled(state)
if not state:
self.toggle_globals_explorer(False)
self.globalsexplorer_button.setEnabled(state)
def create_process(self):
self.shell.clear()
self.process = QProcess(self)
self.process.setProcessChannelMode(QProcess.MergedChannels)
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 self.interact_check.isChecked():
p_args.append('-i')
if self.debug_check.isChecked():
p_args.extend(['-m', 'pdb'])
p_args.append(self.fname)
env = self.process.systemEnvironment()
# Monitor
env.append('SHELL_ID=%s' % id(self))
from spyderlib.widgets.externalshell.monitor import start_server
server, port = start_server()
self.notification_thread = server.register(str(id(self)), self)
self.connect(self.notification_thread, SIGNAL('refresh()'),
self.globalsexplorer.refresh_table)
env.append('SPYDER_PORT=%d' % port)
# Python init commands (interpreter only)
if self.commands and self.interpreter:
env.append('PYTHONINITCOMMANDS=%s' % ';'.join(self.commands))
self.process.setEnvironment(env)
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
pypath = "PYTHONPATH"
pathstr = os.pathsep.join(pathlist)
if os.environ.get(pypath) is not None:
env.replaceInStrings(pypath+'=', pypath+'='+pathstr+os.pathsep,
Qt.CaseSensitive)
else:
env.append(pypath+'='+pathstr)
self.process.setEnvironment(env)
#-------------------------Python specific-------------------------------
if self.arguments:
p_args.extend( self.arguments.split(' ') )
self.connect(self.process, SIGNAL("readyReadStandardOutput()"),
self.write_output)
self.connect(self.process, SIGNAL("finished(int,QProcess::ExitStatus)"),
self.finished)
self.connect(self.terminate_button, SIGNAL("clicked()"),
self.process.terminate)
self.connect(self.kill_button, SIGNAL("clicked()"),
self.process.kill)
#-------------------------Python specific-------------------------------
self.process.start(sys.executable, p_args)
#-------------------------Python specific-------------------------------
running = self.process.waitForStarted()
self.set_running_state(running)
if not running:
QMessageBox.critical(self, self.tr("Error"),
self.tr("Process failed to start"))
else:
self.shell.setFocus()
self.emit(SIGNAL('started()'))
return self.process
#===============================================================================
# Input/Output
#===============================================================================
def _write_error(self, text, findstr):
pos = text.find(findstr)
if pos != -1:
self.shell.write(text[:pos])
if text.endswith(">>> "):
self.shell.write_error(text[pos:-5])
self.shell.write(text[-5:], flush=True)
else:
self.shell.write_error(text[pos:])
return True
return False
def write_output(self):
text = self.get_stdout()
if not self._write_error(text, 'Traceback (most recent call last):') \
and not self._write_error(text, 'File "<stdin>", line 1'):
self.shell.write(text)
QApplication.processEvents()
def send_to_process(self, qstr):
if not isinstance(qstr, QString):
qstr = QString(qstr)
if not qstr.endsWith('\n'):
qstr.append('\n')
self.process.write(qstr.toLocal8Bit())
self.process.waitForBytesWritten(-1)
def keyboard_interrupt(self):
communicate(self.monitor_socket, "thread.interrupt_main()")
#===============================================================================
# Globals explorer
#===============================================================================
def toggle_globals_explorer(self, state):
self.splitter.setSizes([1, 1 if state else 0])
self.globalsexplorer_button.setChecked(state)
if state:
self.globalsexplorer.refresh_table()
def splitter_moved(self, pos, index):
self.globalsexplorer_button.setChecked( self.splitter.sizes()[1] )
class ExternalPythonShell(ExternalShellBase):
"""External Shell widget: execute Python script in a separate process"""
SHELL_CLASS = ExtPyQsciShell
def __init__(self,
parent=None,
fname=None,
wdir=None,
commands=[],
interact=False,
debug=False,
path=[]):
ExternalShellBase.__init__(self,
parent,
wdir,
history_filename='.history_ec.py')
self.shell.set_externalshell(self)
self.toggle_globals_explorer(False)
self.interact_check.setChecked(interact)
self.debug_check.setChecked(debug)
self.monitor_socket = None
self.interpreter = fname is None
self.fname = startup.__file__ if fname is None else fname
if self.interpreter:
self.interact_check.hide()
self.debug_check.hide()
self.terminate_button.hide()
self.commands = ["import sys", "sys.path.insert(0, '')"] + commands
# Additional python path list
self.path = path
def get_toolbar_buttons(self):
ExternalShellBase.get_toolbar_buttons(self)
self.globalsexplorer_button = create_toolbutton(
self,
get_icon('dictedit.png'),
self.tr("Variables"),
tip=self.tr("Show/hide global variables explorer"),
toggled=self.toggle_globals_explorer)
self.terminate_button = create_toolbutton(
self,
get_icon('terminate.png'),
self.tr("Terminate"),
tip=self.tr("Attempts to terminate the process.\n"
"The process may not exit as a result of clicking "
"this button\n(it is given the chance to prompt "
"the user for any unsaved files, etc)."))
self.interact_check = QCheckBox(self.tr("Interact"), self)
self.debug_check = QCheckBox(self.tr("Debug"), self)
return [
self.interact_check, self.debug_check, self.globalsexplorer_button,
self.run_button, self.terminate_button, self.kill_button
]
def get_shell_widget(self):
# Globals explorer
self.globalsexplorer = GlobalsExplorer(self)
self.connect(self.globalsexplorer, 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.globalsexplorer)
splitter.setStretchFactor(0, 2)
splitter.setStretchFactor(1, 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_check.setEnabled(not state)
self.debug_check.setEnabled(not state)
self.terminate_button.setEnabled(state)
if not state:
self.toggle_globals_explorer(False)
self.globalsexplorer_button.setEnabled(state)
def create_process(self):
self.shell.clear()
self.process = QProcess(self)
self.process.setProcessChannelMode(QProcess.MergedChannels)
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 self.interact_check.isChecked():
p_args.append('-i')
if self.debug_check.isChecked():
p_args.extend(['-m', 'pdb'])
p_args.append(self.fname)
env = self.process.systemEnvironment()
# Monitor
env.append('SHELL_ID=%s' % id(self))
from spyderlib.widgets.externalshell.monitor import start_server
server, port = start_server()
self.notification_thread = server.register(str(id(self)), self)
self.connect(self.notification_thread, SIGNAL('refresh()'),
self.globalsexplorer.refresh_table)
env.append('SPYDER_PORT=%d' % port)
# Python init commands (interpreter only)
if self.commands and self.interpreter:
env.append('PYTHONINITCOMMANDS=%s' % ';'.join(self.commands))
self.process.setEnvironment(env)
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
pypath = "PYTHONPATH"
pathstr = os.pathsep.join(pathlist)
if os.environ.get(pypath) is not None:
env.replaceInStrings(pypath + '=',
pypath + '=' + pathstr + os.pathsep,
Qt.CaseSensitive)
else:
env.append(pypath + '=' + pathstr)
self.process.setEnvironment(env)
#-------------------------Python specific-------------------------------
if self.arguments:
p_args.extend(self.arguments.split(' '))
self.connect(self.process, SIGNAL("readyReadStandardOutput()"),
self.write_output)
self.connect(self.process,
SIGNAL("finished(int,QProcess::ExitStatus)"),
self.finished)
self.connect(self.terminate_button, SIGNAL("clicked()"),
self.process.terminate)
self.connect(self.kill_button, SIGNAL("clicked()"), self.process.kill)
#-------------------------Python specific-------------------------------
self.process.start(sys.executable, p_args)
#-------------------------Python specific-------------------------------
running = self.process.waitForStarted()
self.set_running_state(running)
if not running:
QMessageBox.critical(self, self.tr("Error"),
self.tr("Process failed to start"))
else:
self.shell.setFocus()
self.emit(SIGNAL('started()'))
return self.process
#===============================================================================
# Input/Output
#===============================================================================
def _write_error(self, text, findstr):
pos = text.find(findstr)
if pos != -1:
self.shell.write(text[:pos])
if text.endswith(">>> "):
self.shell.write_error(text[pos:-5])
self.shell.write(text[-5:], flush=True)
else:
self.shell.write_error(text[pos:])
return True
return False
def write_output(self):
text = self.get_stdout()
if not self._write_error(text, 'Traceback (most recent call last):') \
and not self._write_error(text, 'File "<stdin>", line 1'):
self.shell.write(text)
QApplication.processEvents()
def send_to_process(self, qstr):
if not isinstance(qstr, QString):
qstr = QString(qstr)
if not qstr.endsWith('\n'):
qstr.append('\n')
self.process.write(qstr.toLocal8Bit())
self.process.waitForBytesWritten(-1)
def keyboard_interrupt(self):
communicate(self.monitor_socket, "thread.interrupt_main()")
#===============================================================================
# Globals explorer
#===============================================================================
def toggle_globals_explorer(self, state):
self.splitter.setSizes([1, 1 if state else 0])
self.globalsexplorer_button.setChecked(state)
if state:
self.globalsexplorer.refresh_table()
def splitter_moved(self, pos, index):
self.globalsexplorer_button.setChecked(self.splitter.sizes()[1])
