def restart(self, reset=False, close_immediately=False):
"""
Quit and Restart Spyder application.
If reset True it allows to reset spyder on restart.
"""
# Get console plugin reference to call the quit action
console = self.get_plugin(Plugins.Console)
# Get start path to use in restart script
spyder_start_directory = get_module_path('spyder')
restart_script = osp.join(spyder_start_directory, 'app', 'restart.py')
# Get any initial argument passed when spyder was started
# Note: Variables defined in bootstrap.py and spyder/app/start.py
env = os.environ.copy()
bootstrap_args = env.pop('SPYDER_BOOTSTRAP_ARGS', None)
spyder_args = env.pop('SPYDER_ARGS')
# Get current process and python running spyder
pid = os.getpid()
python = sys.executable
# Check if started with bootstrap.py
if bootstrap_args is not None:
spyder_args = bootstrap_args
is_bootstrap = True
else:
is_bootstrap = False
# Pass variables as environment variables (str) to restarter subprocess
env['SPYDER_ARGS'] = spyder_args
env['SPYDER_PID'] = str(pid)
env['SPYDER_IS_BOOTSTRAP'] = str(is_bootstrap)
# Build the command and popen arguments depending on the OS
if os.name == 'nt':
# Hide flashing command prompt
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
shell = False
else:
startupinfo = None
shell = True
command = '"{0}" "{1}"'
command = command.format(python, restart_script)
try:
if self.main.closing(True, close_immediately=close_immediately):
subprocess.Popen(command, shell=shell, env=env,
startupinfo=startupinfo)
console.quit()
except Exception as error:
# If there is an error with subprocess, Spyder should not quit and
# the error can be inspected in the internal console
print(error) # spyder: test-skip
print(command) # spyder: test-skip
def nbopen(filename, dark_theme=False):
"""
Open a notebook using the best available server.
Returns information about the selected server.
"""
filename = osp.abspath(filename)
home_dir = get_home_dir()
server_info = find_best_server(filename)
if server_info is not None:
logger.debug('Using existing server at %s',
server_info['notebook_dir'])
return server_info
else:
if filename.startswith(home_dir):
nbdir = home_dir
else:
nbdir = osp.dirname(filename)
logger.debug("Starting new server")
serverscript = osp.join(osp.dirname(__file__), '../server/main.py')
command = [sys.executable, serverscript, '--no-browser',
'--notebook-dir={}'.format(nbdir),
'--NotebookApp.password='******'{}'".format(
KERNELSPEC)]
if dark_theme:
command.append('--dark')
if os.name == 'nt':
creation_flag = 0x08000000 # CREATE_NO_WINDOW
else:
creation_flag = 0 # Default value
if DEV:
env = os.environ.copy()
env["PYTHONPATH"] = osp.dirname(get_module_path('spyder'))
subprocess.Popen(command, creationflags=creation_flag, env=env)
else:
subprocess.Popen(command, creationflags=creation_flag)
# Wait ~25 secs for the server to be up
for _x in range(100):
server_info = find_best_server(filename)
if server_info is not None:
break
else:
time.sleep(0.25)
if server_info is None:
raise NBServerError()
# Kill the server at exit
atexit.register(notebookapp.shutdown_server, server_info, log=logger)
return server_info
def start_server(self, filename, interpreter):
"""
Start a notebook server asynchronously.
Start a server which can render the given notebook and return
immediately. Assume the server uses the given interpreter. The manager
will check periodically whether the server is accepting requests and
emit `sig_server_started` or `sig_server_timed_out` when appropriate.
Parameters
----------
filename : str
File name of notebook to be rendered by the server.
interpreter : str
File name of Python interpreter to be used.
"""
home_dir = get_home_dir()
if filename.startswith(home_dir):
nbdir = home_dir
else:
nbdir = osp.dirname(filename)
logger.debug('Starting new notebook server for %s', nbdir)
process = QProcess(None)
serverscript = osp.join(osp.dirname(__file__), '../server/main.py')
serverscript = osp.normpath(serverscript)
arguments = [
serverscript, '--no-browser', '--notebook-dir={}'.format(nbdir),
'--NotebookApp.password='******'--KernelSpecManager.kernel_spec_class={}'.format(KERNELSPEC)
]
if self.dark_theme:
arguments.append('--dark')
logger.debug('Arguments: %s', repr(arguments))
if DEV:
env = QProcessEnvironment.systemEnvironment()
env.insert('PYTHONPATH', osp.dirname(get_module_path('spyder')))
process.setProcessEnvironment(env)
server_process = ServerProcess(process,
notebook_dir=nbdir,
interpreter=interpreter)
process.setProcessChannelMode(QProcess.MergedChannels)
process.readyReadStandardOutput.connect(
lambda: self.read_server_output(server_process))
process.errorOccurred.connect(
lambda error: self.handle_error(server_process, error))
process.finished.connect(lambda code, status: self.handle_finished(
server_process, code, status))
process.start(sys.executable, arguments)
self.servers.append(server_process)
self._check_server_started(server_process)
def nbopen(filename):
"""
Open a notebook using the best available server.
Returns information about the selected server.
"""
filename = osp.abspath(filename)
home_dir = get_home_dir()
server_info = find_best_server(filename)
if server_info is not None:
print("Using existing server at", server_info['notebook_dir'])
return server_info
else:
if filename.startswith(home_dir):
nbdir = home_dir
else:
nbdir = osp.dirname(filename)
print("Starting new server")
kernelspec = 'spyder.utils.ipython.kernelspec.SpyderKernelSpec'
command = [
'jupyter', 'notebook', '--no-browser',
'--notebook-dir={}'.format(nbdir), '--NotebookApp.password='******'{}'".format(kernelspec)
]
if os.name == 'nt':
creation_flag = 0x08000000 # CREATE_NO_WINDOW
else:
creation_flag = 0 # Default value
if DEV:
env = os.environ.copy()
env["PYTHONPATH"] = osp.dirname(get_module_path('spyder'))
proc = subprocess.Popen(command,
creationflags=creation_flag,
env=env)
else:
proc = subprocess.Popen(command, creationflags=creation_flag)
atexit.register(proc.terminate)
# Wait ~10 secs for the server to be up
for _x in range(40):
server_info = find_best_server(filename)
if server_info is not None:
break
else:
time.sleep(0.25)
if server_info is None:
raise NBServerError()
return server_info
def run(self):
"""Handle the connection with the server.
"""
# Set up the zmq port.
self.socket = self.context.socket(zmq.PAIR)
self.port = self.socket.bind_to_random_port('tcp://*')
# Set up the process.
self.process = QProcess(self)
if self.cwd:
self.process.setWorkingDirectory(self.cwd)
p_args = ['-u', self.target, str(self.port)]
if self.extra_args is not None:
p_args += self.extra_args
# Set up environment variables.
processEnvironment = QProcessEnvironment()
env = self.process.systemEnvironment()
if (self.env and 'PYTHONPATH' not in self.env) or self.env is None:
python_path = osp.dirname(get_module_path('spyder'))
# Add the libs to the python path.
for lib in self.libs:
try:
path = osp.dirname(imp.find_module(lib)[1])
python_path = osp.pathsep.join([python_path, path])
except ImportError:
pass
if self.extra_path:
try:
python_path = osp.pathsep.join([python_path] +
self.extra_path)
except Exception as e:
debug_print("Error when adding extra_path to plugin env")
debug_print(e)
env.append("PYTHONPATH=%s" % python_path)
if self.env:
env.update(self.env)
for envItem in env:
envName, separator, envValue = envItem.partition('=')
processEnvironment.insert(envName, envValue)
self.process.setProcessEnvironment(processEnvironment)
# Start the process and wait for started.
self.process.start(self.executable, p_args)
self.process.finished.connect(self._on_finished)
running = self.process.waitForStarted()
if not running:
raise IOError('Could not start %s' % self)
# Set up the socket notifer.
fid = self.socket.getsockopt(zmq.FD)
self.notifier = QSocketNotifier(fid, QSocketNotifier.Read, self)
self.notifier.activated.connect(self._on_msg_received)
def run(self):
"""Handle the connection with the server.
"""
# Set up the zmq port.
self.socket = self.context.socket(zmq.PAIR)
self.port = self.socket.bind_to_random_port('tcp://*')
# Set up the process.
self.process = QProcess(self)
if self.cwd:
self.process.setWorkingDirectory(self.cwd)
p_args = ['-u', self.target, str(self.port)]
if self.extra_args is not None:
p_args += self.extra_args
# Set up environment variables.
processEnvironment = QProcessEnvironment()
env = self.process.systemEnvironment()
if (self.env and 'PYTHONPATH' not in self.env) or self.env is None:
python_path = osp.dirname(get_module_path('spyder'))
# Add the libs to the python path.
for lib in self.libs:
try:
path = osp.dirname(imp.find_module(lib)[1])
python_path = osp.pathsep.join([python_path, path])
except ImportError:
pass
env.append("PYTHONPATH=%s" % python_path)
if self.env:
env.update(self.env)
for envItem in env:
envName, separator, envValue = envItem.partition('=')
processEnvironment.insert(envName, envValue)
self.process.setProcessEnvironment(processEnvironment)
# Start the process and wait for started.
self.process.start(self.executable, p_args)
self.process.finished.connect(self._on_finished)
running = self.process.waitForStarted()
if not running:
raise IOError('Could not start %s' % self)
# Set up the socket notifer.
fid = self.socket.getsockopt(zmq.FD)
self.notifier = QSocketNotifier(fid, QSocketNotifier.Read, self)
self.notifier.activated.connect(self._on_msg_received)
def nbopen(filename):
"""
Open a notebook using the best available server.
Returns information about the selected server.
"""
filename = osp.abspath(filename)
home_dir = get_home_dir()
server_info = find_best_server(filename)
if server_info is not None:
print("Using existing server at", server_info['notebook_dir'])
return server_info
else:
if filename.startswith(home_dir):
nbdir = home_dir
else:
nbdir = osp.dirname(filename)
print("Starting new server")
kernelspec = 'spyder.utils.ipython.kernelspec.SpyderKernelSpec'
command = ['jupyter', 'notebook', '--no-browser',
'--notebook-dir={}'.format(nbdir),
'--NotebookApp.password='******'{}'".format(
kernelspec)]
if os.name == 'nt':
creation_flag = 0x08000000 # CREATE_NO_WINDOW
else:
creation_flag = 0 # Default value
if DEV:
env = os.environ.copy()
env["PYTHONPATH"] = osp.dirname(get_module_path('spyder'))
proc = subprocess.Popen(command, creationflags=creation_flag,
env=env)
else:
proc = subprocess.Popen(command, creationflags=creation_flag)
# Kill the server at exit. We need to use psutil for this because
# Popen.terminate doesn't work when creationflags or shell=True
# are used.
def kill_server_and_childs(pid):
ps_proc = psutil.Process(pid)
for child in ps_proc.children(recursive=True):
child.kill()
ps_proc.kill()
atexit.register(kill_server_and_childs, proc.pid)
# Wait ~25 secs for the server to be up
for _x in range(100):
server_info = find_best_server(filename)
if server_info is not None:
break
else:
time.sleep(0.25)
if server_info is None:
raise NBServerError()
return server_info