def test_get_temp_dir_ensure_dir_exists():
"""Test that the call to get_temp_dir creates the dir when it doesn't exists
"""
temp_dir = get_temp_dir(suffix='test')
assert os.path.exists(temp_dir)
os.rmdir(temp_dir)
another_call = get_temp_dir(suffix='test')
assert os.path.exists(another_call)
assert another_call == temp_dir
def test_get_temp_dir_ensure_dir_exists():
"""Test that the call to get_temp_dir creates the dir when it doesn't exists
"""
temp_dir = get_temp_dir(suffix='test')
assert os.path.exists(temp_dir)
os.rmdir(temp_dir)
another_call = get_temp_dir(suffix='test')
assert os.path.exists(another_call)
assert another_call == temp_dir
def close_client(self, index=None, client=None, save=False):
"""
Close client tab from index or widget (or close current tab).
The notebook is saved if `save` is `False`.
"""
if not self.tabwidget.count():
return
if client is not None:
index = self.tabwidget.indexOf(client)
if index is None and client is None:
index = self.tabwidget.currentIndex()
if index is not None:
client = self.tabwidget.widget(index)
is_welcome = client.get_filename() == WELCOME
if not save and not is_welcome:
self.save_notebook(client)
if not is_welcome:
client.shutdown_kernel()
client.close()
# Delete notebook file if it is in temporary directory
filename = client.get_filename()
if filename.startswith(get_temp_dir()):
try:
os.remove(filename)
except EnvironmentError:
pass
# Note: notebook index may have changed after closing related widgets
self.tabwidget.removeTab(self.tabwidget.indexOf(client))
self.clients.remove(client)
self.create_welcome_client()
def test_remove_old_stderr_files(ipyconsole, qtbot):
"""Test that we are removing old stderr files."""
# Create empty stderr file in our temp dir to see
# if it's removed correctly.
tmpdir = get_temp_dir()
open(osp.join(tmpdir, 'foo.stderr'), 'a').close()
# Assert that only that file is removed
ipyconsole._remove_old_stderr_files()
assert not osp.isfile(osp.join(tmpdir, 'foo.stderr'))
def test_remove_old_stderr_files(ipyconsole, qtbot):
"""Test that we are removing old stderr files."""
# Create empty stderr file in our temp dir to see
# if it's removed correctly.
tmpdir = get_temp_dir()
open(osp.join(tmpdir, 'foo.stderr'), 'a').close()
# Assert that only that file is removed
ipyconsole._remove_old_stderr_files()
assert not osp.isfile(osp.join(tmpdir, 'foo.stderr'))
def std_filename(connection_file, extension, std_dir=None):
"""Filename to save kernel output."""
json_file = osp.basename(connection_file)
file = json_file.split('.json')[0] + extension
if std_dir is not None:
file = osp.join(std_dir, file)
else:
try:
file = osp.join(get_temp_dir(), file)
except (IOError, OSError):
file = None
return file
def stderr_file(self):
"""Filename to save kernel stderr output."""
stderr_file = None
if self.connection_file is not None:
stderr_file = self.kernel_id + '.stderr'
if self.stderr_dir is not None:
stderr_file = osp.join(self.stderr_dir, stderr_file)
else:
try:
stderr_file = osp.join(get_temp_dir(), stderr_file)
except (IOError, OSError):
stderr_file = None
return stderr_file
def stderr_file(self):
"""Filename to save kernel stderr output."""
stderr_file = None
if self.connection_file is not None:
stderr_file = self.kernel_id + '.stderr'
if self.stderr_dir is not None:
stderr_file = osp.join(self.stderr_dir, stderr_file)
else:
try:
stderr_file = osp.join(get_temp_dir(), stderr_file)
except (IOError, OSError):
stderr_file = None
return stderr_file
def std_filename(self, extension):
"""Filename to save kernel output."""
file = None
if self.connection_file is not None:
file = self.kernel_id + extension
if self.std_dir is not None:
file = osp.join(self.std_dir, file)
else:
try:
file = osp.join(get_temp_dir(), file)
except (IOError, OSError):
file = None
return file
def _remove_old_std_files(self):
"""
Remove std files left by previous Spyder instances.
This is only required on Windows because we can't
clean up std files while Spyder is running on it.
"""
if os.name == 'nt':
tmpdir = get_temp_dir()
for fname in os.listdir(tmpdir):
if osp.splitext(fname)[1] in ('.stderr', '.stdout', '.fault'):
try:
os.remove(osp.join(tmpdir, fname))
except Exception:
pass
def close_client(self, index=None, client=None, save=False):
"""Close client tab from index or widget (or close current tab)."""
if not self.tabwidget.count():
return
if client is not None:
index = self.tabwidget.indexOf(client)
if index is None and client is None:
index = self.tabwidget.currentIndex()
if index is not None:
client = self.tabwidget.widget(index)
is_welcome = client.get_filename() == WELCOME
if not save and not is_welcome:
client.save()
wait_save = QEventLoop()
QTimer.singleShot(1000, wait_save.quit)
wait_save.exec_()
path = client.get_filename()
fname = osp.basename(path)
nb_contents = nbformat.read(path, as_version=4)
if ('untitled' in fname and len(nb_contents['cells']) > 0
and len(nb_contents['cells'][0]['source']) > 0):
buttons = QMessageBox.Yes | QMessageBox.No
answer = QMessageBox.question(
self, self.get_plugin_title(),
_("<b>{0}</b> has been modified."
"<br>Do you want to "
"save changes?".format(fname)), buttons)
if answer == QMessageBox.Yes:
self.save_as(close=True)
if not is_welcome:
client.shutdown_kernel()
client.close()
# Delete notebook file if it is in temporary directory
filename = client.get_filename()
if filename.startswith(get_temp_dir()):
try:
os.remove(filename)
except EnvironmentError:
pass
# Note: notebook index may have changed after closing related widgets
self.tabwidget.removeTab(self.tabwidget.indexOf(client))
self.clients.remove(client)
self.create_welcome_client()
def close_client(self, index=None, save_before_close=True):
"""
Close client tab with given index (or close current tab).
First save the notebook (unless this is the welcome client or
`save_before_close` is False). Then delete the notebook if it is in
`get_temp_dir()`. Then shutdown the kernel of the notebook and close
the tab. Finally, create a welcome tab if there are no tabs.
Parameters
----------
index : int or None, optional
Index of tab to be closed. The default is None, meaning that the
current tab is closed.
save_before_close : bool, optional
Whether to save the notebook before closing the tab. The default
is True.
Returns
-------
The file name of the notebook, or None if no tab was closed.
"""
if not self.count():
return None
if index is None:
index = self.currentIndex()
client = self.widget(index)
filename = client.filename
if not self.is_welcome_client(client):
if save_before_close:
filename = self.save_notebook(client)
client.shutdown_kernel()
client.close()
# Delete notebook file if it is in temporary directory
if filename.startswith(get_temp_dir()):
try:
os.remove(filename)
except EnvironmentError:
pass
# Note: notebook index may have changed after closing related widgets
self.removeTab(self.indexOf(client))
self.maybe_create_welcome_client()
return filename
def get_temp_dir():
return TEMPDIR
try:
# Spyder 4
from spyder.api.plugins import SpyderPluginWidget
except ImportError:
# Spyder 3
from spyder.plugins import SpyderPluginWidget
# Local imports
from .utils.nbopen import nbopen, NBServerError
from .widgets.client import NotebookClient
NOTEBOOK_TMPDIR = osp.join(get_temp_dir(), 'notebooks')
FILTER_TITLE = _("Jupyter notebooks")
FILES_FILTER = "{} (*.ipynb)".format(FILTER_TITLE)
PACKAGE_PATH = osp.dirname(__file__)
WELCOME = osp.join(PACKAGE_PATH, 'utils', 'templates', 'welcome.html')
class NotebookPlugin(SpyderPluginWidget):
"""IPython Notebook plugin."""
CONF_SECTION = 'notebook'
focus_changed = Signal()
def __init__(self, parent, testing=False):
"""Constructor."""
SpyderPluginWidget.__init__(self, parent)