def resize_to_contents(self):
"""Resize cells to contents"""
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.resizeColumnsToContents()
self.model().fetch_more(columns=True)
self.resizeColumnsToContents()
QApplication.restoreOverrideCursor()
def test():
from spyderlib.qt.QtGui import QApplication
app = QApplication([])
widget = create_widget()
widget.show()
# Start the application main loop.
app.exec_()
def _post_message(self, message, timeout=60000):
"""
Post a message to the main window status bar with a timeout in ms
"""
if self.editor_widget:
statusbar = self.editor_widget.window().statusBar()
statusbar.showMessage(message, timeout)
QApplication.processEvents()
def starting_long_process(self, message):
"""
Showing message in main window's status bar
and changing mouse cursor to Qt.WaitCursor
"""
self.show_message(message)
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
def ending_long_process(self, message=""):
"""
Clearing main window's status bar
and restoring mouse cursor
"""
QApplication.restoreOverrideCursor()
self.show_message(message, timeout=2000)
QApplication.processEvents()
def copy_without_prompts(self):
"""Copy text to clipboard without prompts"""
text = self.get_selected_text()
lines = text.split(os.linesep)
for index, line in enumerate(lines):
if line.startswith('>>> ') or line.startswith('... '):
lines[index] = line[4:]
text = os.linesep.join(lines)
QApplication.clipboard().setText(text)
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 mouseMoveEvent(self, event):
"""Show Pointing Hand Cursor on error messages"""
text = self.get_line_at(event.pos())
if get_error_match(text):
if not self.__cursor_changed:
QApplication.setOverrideCursor(QCursor(Qt.PointingHandCursor))
self.__cursor_changed = True
event.accept()
return
if self.__cursor_changed:
QApplication.restoreOverrideCursor()
self.__cursor_changed = False
self.QT_CLASS.mouseMoveEvent(self, event)
def save_data(self, filename=None):
"""Save data"""
if filename is None:
filename = self.filename
if filename is None:
filename = getcwd()
filename, _selfilter = getsavefilename(self, _("Save data"),
filename,
iofunctions.save_filters)
if filename:
self.filename = filename
else:
return False
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
if self.is_internal_shell:
wsfilter = self.get_internal_shell_filter('picklable',
check_all=True)
namespace = wsfilter(self.shellwidget.interpreter.namespace).copy()
error_message = iofunctions.save(namespace, filename)
else:
settings = self.get_view_settings()
error_message = monitor_save_globals(self._get_sock(),
settings, filename)
QApplication.restoreOverrideCursor()
QApplication.processEvents()
if error_message is not None:
QMessageBox.critical(self, _("Save data"),
_("<b>Unable to save current workspace</b>"
"<br><br>Error message:<br>%s") % error_message)
self.save_button.setEnabled(self.filename is not None)
def paintEvent(self, event):
"""Qt Override.
Include a validation icon to the left of the line edit.
"""
super(IconLineEdit, self).paintEvent(event)
painter = QPainter(self)
rect = self.geometry()
space = int((rect.height())/6)
h = rect.height() - space
w = rect.width() - h
if self._icon_visible:
if self._status and self._status_set:
pixmap = self._set_icon.pixmap(h, h)
elif self._status:
pixmap = self._valid_icon.pixmap(h, h)
else:
pixmap = self._invalid_icon.pixmap(h, h)
painter.drawPixmap(w, space, pixmap)
application_style = QApplication.style().objectName()
if self._application_style != application_style:
self._application_style = application_style
self._refresh()
# Small hack to gurantee correct padding on Spyder start
if self._paint_count < 5:
self._paint_count += 1
self._refresh()
def mouseMoveEvent(self, event):
"""Override Qt method"""
if event.buttons() == Qt.MouseButtons(Qt.LeftButton) and \
(event.pos() - self.__drag_start_pos).manhattanLength() > \
QApplication.startDragDistance():
drag = QDrag(self)
mimeData = QMimeData()
# Converting id's to long to avoid an OverflowError with PySide
if PY2:
ancestor_id = long(id(self.ancestor))
parent_widget_id = long(id(self.parentWidget()))
self_id = long(id(self))
else:
ancestor_id = id(self.ancestor)
parent_widget_id = id(self.parentWidget())
self_id = id(self)
mimeData.setData("parent-id", QByteArray.number(ancestor_id))
mimeData.setData("tabwidget-id",
QByteArray.number(parent_widget_id))
mimeData.setData("tabbar-id", QByteArray.number(self_id))
mimeData.setData("source-index",
QByteArray.number(self.tabAt(self.__drag_start_pos)))
drag.setMimeData(mimeData)
drag.exec_()
QTabBar.mouseMoveEvent(self, event)
def data(self, index, role=Qt.DisplayRole):
"""Qt Override"""
if not index.isValid() or \
not (0 <= index.row() < len(self.shortcuts)):
return to_qvariant()
shortcut = self.shortcuts[index.row()]
key = shortcut.key
column = index.column()
if role == Qt.DisplayRole:
if column == CONTEXT:
return to_qvariant(shortcut.context)
elif column == NAME:
color = self.text_color
if self._parent == QApplication.focusWidget():
if self.current_index().row() == index.row():
color = self.text_color_highlight
else:
color = self.text_color
return to_qvariant(self._enrich_text(shortcut.name, color))
elif column == SEQUENCE:
text = QKeySequence(key).toString(QKeySequence.NativeText)
return to_qvariant(text)
elif role == Qt.TextAlignmentRole:
return to_qvariant(int(Qt.AlignHCenter | Qt.AlignVCenter))
return to_qvariant()
def data(self, index, role=Qt.DisplayRole):
"""Qt Override."""
row = index.row()
if not index.isValid() or not (0 <= row < len(self.shortcuts)):
return to_qvariant()
shortcut = self.shortcuts[row]
key = shortcut.key
column = index.column()
if role == Qt.DisplayRole:
if column == CONTEXT:
return to_qvariant(shortcut.context)
elif column == NAME:
color = self.text_color
if self._parent == QApplication.focusWidget():
if self.current_index().row() == row:
color = self.text_color_highlight
else:
color = self.text_color
text = self.rich_text[row]
text = '<p style="color:{0}">{1}</p>'.format(color, text)
return to_qvariant(text)
elif column == SEQUENCE:
text = QKeySequence(key).toString(QKeySequence.NativeText)
return to_qvariant(text)
elif column == SEARCH_SCORE:
# Treating search scores as a table column simplifies the
# sorting once a score for a specific string in the finder
# has been defined. This column however should always remain
# hidden.
return to_qvariant(self.scores[row])
elif role == Qt.TextAlignmentRole:
return to_qvariant(int(Qt.AlignHCenter | Qt.AlignVCenter))
return to_qvariant()
def copy(self):
"""Copy text to clipboard"""
if not self.selectedIndexes():
return
(row_min, row_max,
col_min, col_max) = get_idx_rect(self.selectedIndexes())
index = header = False
if col_min == 0:
col_min = 1
index = True
df = self.model().df
if col_max == 0: # To copy indices
contents = '\n'.join(map(str, df.index.tolist()[slice(row_min,
row_max+1)]))
else: # To copy DataFrame
if (col_min == 0 or col_min == 1) and (df.shape[1] == col_max):
header = True
obj = df.iloc[slice(row_min, row_max+1), slice(col_min-1, col_max)]
output = io.StringIO()
obj.to_csv(output, sep='\t', index=index, header=header)
if not PY2:
contents = output.getvalue()
else:
contents = output.getvalue().decode('utf-8')
output.close()
clipboard = QApplication.clipboard()
clipboard.setText(contents)
def paint(self, painter, option, index):
options = QStyleOptionViewItem(option)
self.initStyleOption(options, index)
style = (QApplication.style() if options.widget is None
else options.widget.style())
doc = QTextDocument()
doc.setDocumentMargin(self._margin)
doc.setHtml(options.text)
options.text = ""
style.drawControl(QStyle.CE_ItemViewItem, options, painter)
ctx = QAbstractTextDocumentLayout.PaintContext()
textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
painter.save()
if style.objectName() == 'oxygen':
painter.translate(textRect.topLeft() + QPoint(5, -9))
else:
painter.translate(textRect.topLeft())
painter.setClipRect(textRect.translated(-textRect.topLeft()))
doc.documentLayout().draw(painter, ctx)
painter.restore()
def __init__(self, target, executable=None, name=None,
extra_args=None, libs=None, cwd=None, env=None):
super(AsyncClient, self).__init__()
self.executable = executable or sys.executable
self.extra_args = extra_args
self.target = target
self.name = name or self
self.libs = libs
self.cwd = cwd
self.env = env
self.is_initialized = False
self.closing = False
self.context = zmq.Context()
QApplication.instance().aboutToQuit.connect(self.close)
# Set up the heartbeat timer.
self.timer = QTimer(self)
self.timer.timeout.connect(self._heartbeat)
self.timer.start(HEARTBEAT)
def show_data(self, justanalyzed=False):
if not justanalyzed:
self.output = None
self.log_button.setEnabled(self.output is not None \
and len(self.output) > 0)
self.kill_if_running()
filename = to_text_string(self.filecombo.currentText())
if not filename:
return
self.datatree.load_data(self.DATAPATH)
self.datelabel.setText(_('Sorting data, please wait...'))
QApplication.processEvents()
self.datatree.show_tree()
text_style = "<span style=\'color: #444444\'><b>%s </b></span>"
date_text = text_style % time.strftime("%d %b %Y %H:%M",
time.localtime())
self.datelabel.setText(date_text)
def qapplication(translate=True):
"""Return QApplication instance
Creates it if it doesn't already exist"""
app = QApplication.instance()
if not app:
# Set Application name for Gnome 3
# https://groups.google.com/forum/#!topic/pyside/24qxvwfrRDs
app = QApplication(['Spyder'])
if translate:
install_translator(app)
return app
def tab_moved(self, event):
"""Method called when a tab from a QTabBar has been moved."""
# If the left button isn't pressed anymore then return
if not event.buttons() & Qt.LeftButton:
self.to_index = None
return
self.to_index = self.dock_tabbar.tabAt(event.pos())
if not self.moving and self.from_index != -1 and self.to_index != -1:
QApplication.setOverrideCursor(Qt.ClosedHandCursor)
self.moving = True
if self.to_index == -1:
self.to_index = self.from_index
from_index, to_index = self.from_index, self.to_index
if from_index != to_index and from_index != -1 and to_index != -1:
self.move_tab(from_index, to_index)
self._fix_cursor(from_index, to_index)
self.from_index = to_index
def __init__(self, *args, **kwargs):
super(IconLineEdit, self).__init__(*args, **kwargs)
self._status = True
self._status_set = True
self._valid_icon = ima.icon('todo')
self._invalid_icon = ima.icon('warning')
self._set_icon = ima.icon('todo_list')
self._application_style = QApplication.style().objectName()
self._refresh()
self._paint_count = 0
self._icon_visible = False
def mousePressEvent(self, event):
"""Reimplement Qt method"""
if sys.platform.startswith('linux') and event.button() == Qt.MidButton:
self.calltip_widget.hide()
if self.has_selected_text():
self.remove_selected_text()
self.setFocus()
event = QMouseEvent(QEvent.MouseButtonPress, event.pos(),
Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
QPlainTextEdit.mousePressEvent(self, event)
QPlainTextEdit.mouseReleaseEvent(self, event)
# Send selection text to clipboard to be able to use
# the paste method and avoid the strange Issue 1445
#
# Note: This issue seems a focusing problem but it
# seems really hard to track
mode_clip = QClipboard.Clipboard
mode_sel = QClipboard.Selection
text_clip = QApplication.clipboard().text(mode=mode_clip)
text_sel = QApplication.clipboard().text(mode=mode_sel)
QApplication.clipboard().setText(text_sel, mode=mode_clip)
self.paste()
QApplication.clipboard().setText(text_clip, mode=mode_clip)
else:
self.calltip_widget.hide()
QPlainTextEdit.mousePressEvent(self, event)
def findinfiles_callback(self):
"""Find in files callback"""
widget = QApplication.focusWidget()
if not self.ismaximized:
self.dockwidget.setVisible(True)
self.dockwidget.raise_()
text = ''
from spyderlib.widgets.editor import TextEditBaseWidget
if isinstance(widget, TextEditBaseWidget):
if widget.has_selected_text():
text = widget.get_selected_text()
self.set_search_text(text)
if text:
self.find()
def start(self):
"""Start a new connection with the plugin.
"""
self._initialized = False
plugin_name = self.plugin_name
self.sock, server_port = connect_to_port()
self.sock.listen(2)
QApplication.instance().aboutToQuit.connect(self.close)
self.process = QProcess(self)
self.process.setWorkingDirectory(os.path.dirname(__file__))
processEnvironment = QProcessEnvironment()
env = self.process.systemEnvironment()
python_path = imp.find_module('spyderlib')[1]
# Use the current version of the plugin provider if possible.
try:
provider_path = imp.find_module(self.plugin_name)[1]
python_path = os.sep.join([python_path, provider_path])
except ImportError:
pass
env.append("PYTHONPATH=%s" % python_path)
for envItem in env:
envName, separator, envValue = envItem.partition('=')
processEnvironment.insert(envName, envValue)
self.process.setProcessEnvironment(processEnvironment)
p_args = ['-u', 'plugin_server.py', str(server_port), plugin_name]
self.listener = PluginListener(self.sock)
self.listener.request_handled.connect(self.request_handled.emit)
self.listener.initialized.connect(self._on_initialized)
self.listener.start()
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 plugin %s' % plugin_name)
def findinfiles_callback(self):
"""Find in files callback"""
widget = QApplication.focusWidget()
if not self.ismaximized:
self.dockwidget.setVisible(True)
self.dockwidget.raise_()
text = ''
try:
if widget.has_selected_text():
text = widget.get_selected_text()
except AttributeError:
# This is not a text widget deriving from TextEditBaseWidget
pass
self.set_search_text(text)
if text:
self.find()
def paste(self):
"""Reimplemented slot to handle multiline paste action"""
text = to_text_string(QApplication.clipboard().text())
if len(text.splitlines()) > 1:
# Multiline paste
if self.new_input_line:
self.on_new_line()
self.remove_selected_text() # Remove selection, eventually
end = self.get_current_line_from_cursor()
lines = self.get_current_line_to_cursor() + text + end
self.clear_line()
self.execute_lines(lines)
self.move_cursor(-len(end))
else:
# Standard paste
ShellBaseWidget.paste(self)
def mouseMoveEvent(self, event):
"""Override Qt method"""
if event.buttons() == Qt.MouseButtons(Qt.LeftButton) and \
(event.pos() - self.__drag_start_pos).manhattanLength() > \
QApplication.startDragDistance():
drag = QDrag(self)
mimeData = QMimeData()
mimeData.setData("parent-id", QByteArray.number(id(self.ancestor)))
mimeData.setData("tabwidget-id",
QByteArray.number(id(self.parentWidget())))
mimeData.setData("tabbar-id", QByteArray.number(id(self)))
mimeData.setData("source-index",
QByteArray.number(self.tabAt(self.__drag_start_pos)))
drag.setMimeData(mimeData)
drag.exec_()
QTabBar.mouseMoveEvent(self, event)
def pypi_fedit(data, title="", comment="", icon=None, parent=None, apply=None):
import webbrowser
if QApplication.startingUp():
_app = QApplication([])
dialog = FormDialog(data, title, comment, icon, parent, apply)
url = 'https://pypi.python.org/pypi?:action=browse&show=all'
params = {':action':'browse', 'show':'all'}
if dialog.exec_():
raw_selections = dialog.get()
stripped_selections = ' '.join(raw_selections).split()
if len(stripped_selections) != 0:
_selections = '&'.join(stripped_selections)
selections = '&' + _selections
else:
selections = ''
prepared_url = url + selections
webbrowser.open_new(prepared_url)
def copy(self, index=False, header=False):
"""Copy text to clipboard"""
(row_min, row_max,
col_min, col_max) = get_idx_rect(self.selectedIndexes())
if col_min == 0:
col_min = 1
index = True
df = self.model().df
if col_max == 0: # To copy indices
contents = '\n'.join(map(str, df.index.tolist()[slice(row_min,
row_max+1)]))
else: # To copy DataFrame
if df.shape[0] == row_max+1 and row_min == 0:
header = True
obj = df.iloc[slice(row_min, row_max+1), slice(col_min-1, col_max)]
output = io.StringIO()
obj.to_csv(output, sep='\t', index=index, header=header)
contents = output.getvalue()
output.close()
clipboard = QApplication.clipboard()
clipboard.setText(contents)
def fedit(data, title="", comment="", icon=None, parent=None, apply=None):
"""
Create form dialog and return result
(if Cancel button is pressed, return None)
data: datalist, datagroup
title: string
comment: string
icon: QIcon instance
parent: parent QWidget
apply: apply callback (function)
datalist: list/tuple of (field_name, field_value)
datagroup: list/tuple of (datalist *or* datagroup, title, comment)
-> one field for each member of a datalist
-> one tab for each member of a top-level datagroup
-> one page (of a multipage widget, each page can be selected with a combo
box) for each member of a datagroup inside a datagroup
Supported types for field_value:
- int, float, str, unicode, bool
- colors: in Qt-compatible text form, i.e. in hex format or name (red,...)
(automatically detected from a string)
- list/tuple:
* the first element will be the selected index (or value)
* the other elements can be couples (key, value) or only values
"""
# Create a QApplication instance if no instance currently exists
# (e.g. if the module is used directly from the interpreter)
test_travis = os.environ.get('TEST_TRAVIS_WIDGETS', None)
if test_travis is not None:
from spyderlib.utils.qthelpers import qapplication
_app = qapplication(test_time=1)
elif QApplication.startingUp():
_app = QApplication([])
dialog = FormDialog(data, title, comment, icon, parent, apply)
if dialog.exec_():
return dialog.get()
def tab_released(self, event):
"""Method called when a tab from a QTabBar has been released."""
QApplication.restoreOverrideCursor()
self.moving = False
def run_c2p(self):
"""Prompt the user to load a combine archive, translate to Python, and display in a new window"""
editorwindow = None #Used in editor.load
processevents=True #Used in editor.load
editor = self.main.editor
basedir = getcwd()
if CONF.get('workingdir', 'editor/open/browse_scriptdir'):
c_fname = editor.get_current_filename()
if c_fname is not None and c_fname != editor.TEMPFILE_PATH:
basedir = os.path.dirname(c_fname)
editor.emit(SIGNAL('redirect_stdio(bool)'), False)
parent_widget = editor.get_current_editorstack()
selectedfilter = ''
filters = 'Combine archives (*.zip *.omex);;All files (*.*)'
filenames, _selfilter = getopenfilenames(parent_widget,
_("Open combine archive"), basedir, filters,
selectedfilter=selectedfilter)
editor.emit(SIGNAL('redirect_stdio(bool)'), True)
if filenames:
filenames = [os.path.normpath(fname) for fname in filenames]
if CONF.get('workingdir', 'editor/open/auto_set_to_basedir'):
directory = os.path.dirname(filenames[0])
editor.emit(SIGNAL("open_dir(QString)"), directory)
else:
#The file dialog box was closed without selecting a file.
return
focus_widget = QApplication.focusWidget()
if editor.dockwidget and not editor.ismaximized and\
(not editor.dockwidget.isAncestorOf(focus_widget)\
and not isinstance(focus_widget, CodeEditor)):
editor.dockwidget.setVisible(True)
editor.dockwidget.setFocus()
editor.dockwidget.raise_()
def _convert(fname):
fname = os.path.abspath(encoding.to_unicode_from_fs(fname))
if os.name == 'nt' and len(fname) >= 2 and fname[1] == ':':
fname = fname[0].upper()+fname[1:]
return fname
if hasattr(filenames, 'replaceInStrings'):
# This is a QStringList instance (PyQt API #1), converting to list:
filenames = list(filenames)
if not isinstance(filenames, list):
filenames = [_convert(filenames)]
else:
filenames = [_convert(fname) for fname in list(filenames)]
for index, filename in enumerate(filenames):
p = re.compile( '(.zip$|.omex$)')
pythonfile = p.sub( '.py', filename)
if (pythonfile == filename):
pythonfile = filename + ".py"
current_editor = editor.set_current_filename(pythonfile, editorwindow)
if current_editor is not None:
# -- TODO: Do not open an already opened file
pass
else:
# -- Not an existing opened file:
if not os.path.isfile(filename):
continue
# --
current_es = editor.get_current_editorstack(editorwindow)
# Creating the editor widget in the first editorstack (the one
# that can't be destroyed), then cloning this editor widget in
# all other editorstacks:
finfo, newname = self.load_and_translate(filename, pythonfile, editor)
finfo.path = editor.main.get_spyder_pythonpath()
editor._clone_file_everywhere(finfo)
current_editor = current_es.set_current_filename(newname)
#if (current_editor is not None):
# editor.register_widget_shortcuts("Editor", current_editor)
current_es.analyze_script()
if (current_editor is not None):
current_editor.clearFocus()
current_editor.setFocus()
current_editor.window().raise_()
if processevents:
QApplication.processEvents()
def copy_to_clipboard(self):
from spyderlib.dependencies import status
QApplication.clipboard().setText(status())
# silently ignored here.
eintr = errno.WSAEINTR if os.name == 'nt' else errno.EINTR
if e.args[0] == eintr:
continue
raise
if not self._initialized:
server_port = read_packet(conn)
if isinstance(server_port, int):
self._initialized = True
self.initialized.emit(server_port)
else:
self.request_handled.emit(read_packet(conn))
if __name__ == '__main__':
app = QApplication(sys.argv)
plugin = PluginClient('jedi')
def handle_return(value):
print(value)
if value['method'] == 'foo':
app.quit()
else:
plugin.send(dict(method='foo'))
def handle_errored():
print('errored')
sys.exit(1)
def start():
print('start')
def test():
""" """
app = QApplication([])
win = TestWindow()
win.show()
app.exec_()
def resize_to_contents(self):
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.dataTable.resizeColumnsToContents()
self.dataModel.fetch_more(columns=True)
self.dataTable.resizeColumnsToContents()
QApplication.restoreOverrideCursor()
def copy(self):
"""Copy text to clipboard"""
cliptxt = self._sel_to_text( self.selectedIndexes() )
clipboard = QApplication.clipboard()
clipboard.setText(cliptxt)
def main():
# Splash screen
# -------------------------------------------------------------------------
# Start Qt Splash to inform the user of the current status
app = qapplication()
restarter = Restarter()
resample = not IS_WINDOWS
# Resampling SVG icon only on non-Windows platforms (see Issue 1314):
icon = ima.icon('spyder', resample=resample)
app.setWindowIcon(icon)
restarter.set_splash_message(_('Closing Spyder'))
# Get variables
# Note: Variables defined in spyderlib\spyder.py 'restart()' method
spyder_args = os.environ.pop('SPYDER_ARGS', None)
pid = os.environ.pop('SPYDER_PID', None)
is_bootstrap = os.environ.pop('SPYDER_IS_BOOTSTRAP', None)
reset = os.environ.pop('SPYDER_RESET', None)
# Get the spyder base folder based on this file
spyder_folder = osp.split(osp.dirname(osp.abspath(__file__)))[0]
if not any([spyder_args, pid, is_bootstrap, reset]):
error = "This script can only be called from within a Spyder instance"
raise RuntimeError(error)
# Variables were stored as string literals in the environment, so to use
# them we need to parse them in a safe manner.
is_bootstrap = ast.literal_eval(is_bootstrap)
pid = ast.literal_eval(pid)
args = ast.literal_eval(spyder_args)
reset = ast.literal_eval(reset)
# Enforce the --new-instance flag when running spyder
if '--new-instance' not in args:
if is_bootstrap and '--' not in args:
args = args + ['--', '--new-instance']
else:
args.append('--new-instance')
# Create the arguments needed for reseting
if '--' in args:
args_reset = ['--', '--reset']
else:
args_reset = ['--reset']
# Arrange arguments to be passed to the restarter and reset subprocess
args = ' '.join(args)
args_reset = ' '.join(args_reset)
# Get python excutable running this script
python = sys.executable
# Build the command
if is_bootstrap:
spyder = osp.join(spyder_folder, 'bootstrap.py')
else:
spyderlib = osp.join(spyder_folder, 'spyderlib')
spyder = osp.join(spyderlib, 'start_app.py')
command = '"{0}" "{1}" {2}'.format(python, spyder, args)
# Adjust the command and/or arguments to subprocess depending on the OS
shell = not IS_WINDOWS
# Before launching a new Spyder instance we need to make sure that the
# previous one has closed. We wait for a fixed and "reasonable" amount of
# time and check, otherwise an error is launched
wait_time = 90 if IS_WINDOWS else 30 # Seconds
for counter in range(int(wait_time / SLEEP_TIME)):
if not is_pid_running(pid):
break
time.sleep(SLEEP_TIME) # Throttling control
QApplication.processEvents() # Needed to refresh the splash
else:
# The old spyder instance took too long to close and restart aborts
restarter.launch_error_message(error_type=CLOSE_ERROR)
env = os.environ.copy()
# Reset Spyder (if required)
# -------------------------------------------------------------------------
if reset:
restarter.set_splash_message(_('Resetting Spyder to defaults'))
command_reset = '"{0}" "{1}" {2}'.format(python, spyder, args_reset)
try:
p = subprocess.Popen(command_reset, shell=shell, env=env)
except Exception as error:
restarter.launch_error_message(error_type=RESET_ERROR, error=error)
else:
p.communicate()
pid_reset = p.pid
# Before launching a new Spyder instance we need to make sure that the
# reset subprocess has closed. We wait for a fixed and "reasonable"
# amount of time and check, otherwise an error is launched.
wait_time = 20 # Seconds
for counter in range(int(wait_time / SLEEP_TIME)):
if not is_pid_running(pid_reset):
break
time.sleep(SLEEP_TIME) # Throttling control
QApplication.processEvents() # Needed to refresh the splash
else:
# The reset subprocess took too long and it is killed
try:
p.kill()
except OSError as error:
restarter.launch_error_message(error_type=RESET_ERROR,
error=error)
else:
restarter.launch_error_message(error_type=RESET_ERROR)
# Restart
# -------------------------------------------------------------------------
restarter.set_splash_message(_('Restarting'))
try:
subprocess.Popen(command, shell=shell, env=env)
except Exception as error:
restarter.launch_error_message(error_type=RESTART_ERROR, error=error)
def event(self, event):
if event.type() == QEvent.FileOpen:
fname = str(event.file())
self.open_external_file.emit(fname)
return QApplication.event(self, event)
def event(self, event):
if event.type() == QEvent.FileOpen:
fname = str(event.file())
self.emit(SIGNAL('open_external_file(QString)'), fname)
return QApplication.event(self, event)
def copy(self):
"""
Reimplement Qt method
Copy text to clipboard with correct EOL chars
"""
QApplication.clipboard().setText(self.get_selected_text())
def write_output(self):
self.shell.write(self.get_stdout(), flush=True)
QApplication.processEvents()
def show_list(self, completion_list, automatic=True):
if len(completion_list) == 1 and not automatic:
self.textedit.insert_completion(completion_list[0])
return
self.completion_list = completion_list
self.clear()
self.addItems(completion_list)
self.setCurrentRow(0)
QApplication.processEvents(QEventLoop.ExcludeUserInputEvents)
self.show()
self.setFocus()
self.raise_()
# Retrieving current screen height
desktop = QApplication.desktop()
srect = desktop.availableGeometry(desktop.screenNumber(self))
screen_right = srect.right()
screen_bottom = srect.bottom()
point = self.textedit.cursorRect().bottomRight()
point.setX(point.x() + self.textedit.get_linenumberarea_width())
point = self.textedit.mapToGlobal(point)
# Computing completion widget and its parent right positions
comp_right = point.x() + self.width()
ancestor = self.parent()
if ancestor is None:
anc_right = screen_right
else:
anc_right = min([ancestor.x() + ancestor.width(), screen_right])
# Moving completion widget to the left
# if there is not enough space to the right
if comp_right > anc_right:
point.setX(point.x() - self.width())
# Computing completion widget and its parent bottom positions
comp_bottom = point.y() + self.height()
ancestor = self.parent()
if ancestor is None:
anc_bottom = screen_bottom
else:
anc_bottom = min([ancestor.y() + ancestor.height(), screen_bottom])
# Moving completion widget above if there is not enough space below
x_position = point.x()
if comp_bottom > anc_bottom:
point = self.textedit.cursorRect().topRight()
point = self.textedit.mapToGlobal(point)
point.setX(x_position)
point.setY(point.y() - self.height())
if ancestor is not None:
# Useful only if we set parent to 'ancestor' in __init__
point = ancestor.mapFromGlobal(point)
self.move(point)
if to_text_string(self.textedit.completion_text):
# When initialized, if completion text is not empty, we need
# to update the displayed list:
self.update_current()
def initialize_continued(self):
"""Load home page"""
self.go_home()
QApplication.restoreOverrideCursor()
def paste(self):
"""Reimplement Qt method"""
if self.has_selected_text():
self.remove_selected_text()
self.insert_text(QApplication.clipboard().text())
def initialize(self):
"""Start pydoc server"""
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
self.start_server()
def leaveEvent(self, event):
"""If cursor has not been restored yet, do it now"""
if self.__cursor_changed:
QApplication.restoreOverrideCursor()
self.__cursor_changed = False
self.QT_CLASS.leaveEvent(self, event)
def __init__(self, *args):
QApplication.__init__(self, *args)
def copy(self):
"""Copy text to clipboard"""
cliptxt = self._sel_to_text( self.selectedIndexes() )
clipboard = QApplication.clipboard()
clipboard.setText(cliptxt)
def import_data(self, filenames=None):
"""Import data from text file"""
title = _("Import data")
if filenames is None:
if self.filename is None:
basedir = getcwd()
else:
basedir = osp.dirname(self.filename)
filenames, _selfilter = getopenfilenames(self, title, basedir,
iofunctions.load_filters)
if not filenames:
return
elif is_text_string(filenames):
filenames = [filenames]
for filename in filenames:
self.filename = to_text_string(filename)
ext = osp.splitext(self.filename)[1].lower()
if ext not in iofunctions.load_funcs:
buttons = QMessageBox.Yes | QMessageBox.Cancel
answer = QMessageBox.question(
self, title,
_("<b>Unsupported file extension '%s'</b><br><br>"
"Would you like to import it anyway "
"(by selecting a known file format)?") % ext, buttons)
if answer == QMessageBox.Cancel:
return
formats = list(iofunctions.load_extensions.keys())
item, ok = QInputDialog.getItem(self, title,
_('Open file as:'), formats, 0,
False)
if ok:
ext = iofunctions.load_extensions[to_text_string(item)]
else:
return
load_func = iofunctions.load_funcs[ext]
# 'import_wizard' (self.setup_io)
if is_text_string(load_func):
# Import data with import wizard
error_message = None
try:
text, _encoding = encoding.read(self.filename)
if self.is_internal_shell:
self.editor.import_from_string(text)
else:
base_name = osp.basename(self.filename)
editor = ImportWizard(
self,
text,
title=base_name,
varname=fix_reference_name(base_name))
if editor.exec_():
var_name, clip_data = editor.get_data()
monitor_set_global(self._get_sock(), var_name,
clip_data)
except Exception as error:
error_message = str(error)
else:
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
QApplication.processEvents()
if self.is_internal_shell:
namespace, error_message = load_func(self.filename)
interpreter = self.shellwidget.interpreter
for key in list(namespace.keys()):
new_key = fix_reference_name(
key, blacklist=list(interpreter.namespace.keys()))
if new_key != key:
namespace[new_key] = namespace.pop(key)
if error_message is None:
interpreter.namespace.update(namespace)
else:
error_message = monitor_load_globals(
self._get_sock(), self.filename, ext)
QApplication.restoreOverrideCursor()
QApplication.processEvents()
if error_message is not None:
QMessageBox.critical(
self, title,
_("<b>Unable to load '%s'</b>"
"<br><br>Error message:<br>%s") %
(self.filename, error_message))
self.refresh_table()
