def register_plugin(self):
self.main.add_dockwidget(self)
print('** Looking for ExternalPythonShell')
#from spyderlib.widgets.externalshell import pythonshell
#print(len(self.main.extconsole.shellwidgets))
#for sw in self.main.extconsole.shellwidgets:
#print('sw {}'.format(sw))
#if isinstance(sw, pythonshell.ExternalPythonShell):
#print(' Found ExternalPythonShell: {}'.format(sw))
print(self.main.extconsole.start)
self.main.extconsole.__class__ = SBNWExternalConsole
if self.main.explorer is not None:
self.connect(self.main.explorer,
SIGNAL("open_interpreter(QString)"), self.sigslot)
if self.main.projectexplorer is not None:
self.connect(self.main.projectexplorer,
SIGNAL("open_interpreter(QString)"), self.sigslot)
if self.main.extconsole is not None:
self.connect(self.main.extconsole,
SIGNAL("open_interpreter(QString)"), self.sigslot)
#print(dir(self.main.extconsole))
self.connect(self.main.console.shell, SIGNAL('refresh()'),
self.sigslot)
self.connect(self.main, SIGNAL('open_external_file(QString)'),
self.sigslot)
def create_toolbutton(parent,
text=None,
shortcut=None,
icon=None,
tip=None,
toggled=None,
triggered=None,
autoraise=True,
text_beside_icon=False):
"""Create a QToolButton"""
button = QToolButton(parent)
if text is not None:
button.setText(text)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
button.setIcon(icon)
if text is not None or tip is not None:
button.setToolTip(text if tip is None else tip)
if text_beside_icon:
button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
button.setAutoRaise(autoraise)
if triggered is not None:
QObject.connect(button, SIGNAL('clicked()'), triggered)
if toggled is not None:
QObject.connect(button, SIGNAL("toggled(bool)"), toggled)
button.setCheckable(True)
if shortcut is not None:
button.setShortcut(shortcut)
return button
def __init__(self, parent=None, name_filters=['*.py', '*.pyw'],
valid_types=('.py', '.pyw'), show_all=False,
show_cd_only=None, show_toolbar=True, show_icontext=True):
QWidget.__init__(self, parent)
self.treewidget = ExplorerTreeWidget(self, show_cd_only=show_cd_only)
self.treewidget.setup(name_filters=name_filters,
valid_types=valid_types, show_all=show_all)
self.treewidget.chdir(getcwd())
toolbar_action = create_action(self, _("Show toolbar"),
toggled=self.toggle_toolbar)
icontext_action = create_action(self, _("Show icons and text"),
toggled=self.toggle_icontext)
self.treewidget.common_actions += [None,
toolbar_action, icontext_action]
# Setup toolbar
self.toolbar = QToolBar(self)
self.toolbar.setIconSize(QSize(16, 16))
self.previous_action = create_action(self, text=_("Previous"),
icon=get_icon('previous.png'),
triggered=self.treewidget.go_to_previous_directory)
self.toolbar.addAction(self.previous_action)
self.previous_action.setEnabled(False)
self.connect(self.treewidget, SIGNAL("set_previous_enabled(bool)"),
self.previous_action.setEnabled)
self.next_action = create_action(self, text=_("Next"),
icon=get_icon('next.png'),
triggered=self.treewidget.go_to_next_directory)
self.toolbar.addAction(self.next_action)
self.next_action.setEnabled(False)
self.connect(self.treewidget, SIGNAL("set_next_enabled(bool)"),
self.next_action.setEnabled)
parent_action = create_action(self, text=_("Parent"),
icon=get_icon('up.png'),
triggered=self.treewidget.go_to_parent_directory)
self.toolbar.addAction(parent_action)
options_action = create_action(self, text='', tip=_("Options"),
icon=get_icon('tooloptions.png'))
self.toolbar.addAction(options_action)
widget = self.toolbar.widgetForAction(options_action)
widget.setPopupMode(QToolButton.InstantPopup)
menu = QMenu(self)
add_actions(menu, self.treewidget.common_actions)
options_action.setMenu(menu)
toolbar_action.setChecked(show_toolbar)
self.toggle_toolbar(show_toolbar)
icontext_action.setChecked(show_icontext)
self.toggle_icontext(show_icontext)
vlayout = QVBoxLayout()
vlayout.addWidget(self.toolbar)
vlayout.addWidget(self.treewidget)
self.setLayout(vlayout)
def create_dockwidget(self):
"""Add to parent QMainWindow as a dock widget"""
# This is not clear yet why the following do not work...
# (see Issue #880)
## # Using Qt.Window window flags solves Issue #880 (detached dockwidgets
## # are not painted after restarting Spyder and restoring their hexstate)
## # but it does not work with PyQt <=v4.7 (dockwidgets can't be docked)
## # or non-Windows platforms (lot of warnings are printed out)
## # (so in those cases, we use the default window flags: Qt.Widget):
## flags = Qt.Widget if is_old_pyqt or os.name != 'nt' else Qt.Window
dock = SpyderDockWidget(self.get_plugin_title(), self.main) #, flags)
dock.setObjectName(self.__class__.__name__ + "_dw")
dock.setAllowedAreas(self.ALLOWED_AREAS)
dock.setFeatures(self.FEATURES)
dock.setWidget(self)
self.update_margins()
self.connect(dock, SIGNAL('visibilityChanged(bool)'),
self.visibility_changed)
self.connect(dock, SIGNAL('plugin_closed()'), self.plugin_closed)
self.dockwidget = dock
try:
short = CONF.get('shortcuts', '_/switch to %s' % self.CONF_SECTION)
except configparser.NoOptionError:
short = None
if short is not None:
shortcut = QShortcut(QKeySequence(short), self.main,
self.switch_to_plugin)
self.register_shortcut(shortcut, "_",
"Switch to %s" % self.CONF_SECTION)
return (dock, self.LOCATION)
def start(self, wdir=None, args=None, pythonpath=None):
filename = to_text_string(self.filecombo.currentText())
if wdir is None:
wdir = self._last_wdir
if wdir is None:
wdir = osp.basename(filename)
if args is None:
args = self._last_args
if args is None:
args = []
if pythonpath is None:
pythonpath = self._last_pythonpath
self._last_wdir = wdir
self._last_args = args
self._last_pythonpath = pythonpath
self.datelabel.setText(_('Profiling, please wait...'))
self.process = QProcess(self)
self.process.setProcessChannelMode(QProcess.SeparateChannels)
self.process.setWorkingDirectory(wdir)
self.connect(self.process, SIGNAL("readyReadStandardOutput()"),
self.read_output)
self.connect(self.process, SIGNAL("readyReadStandardError()"),
lambda: self.read_output(error=True))
self.connect(self.process,
SIGNAL("finished(int,QProcess::ExitStatus)"),
self.finished)
self.connect(self.stop_button, SIGNAL("clicked()"), self.process.kill)
if pythonpath is not None:
env = [to_text_string(_pth)
for _pth in self.process.systemEnvironment()]
baseshell.add_pathlist_to_PYTHONPATH(env, pythonpath)
self.process.setEnvironment(env)
self.output = ''
self.error_output = ''
p_args = ['-m', 'cProfile', '-o', self.DATAPATH]
if os.name == 'nt':
# On Windows, one has to replace backslashes by slashes to avoid
# confusion with escape characters (otherwise, for example, '\t'
# will be interpreted as a tabulation):
p_args.append(osp.normpath(filename).replace(os.sep, '/'))
else:
p_args.append(filename)
if args:
p_args.extend(shell_split(args))
executable = sys.executable
if executable.endswith("spyder.exe"):
# py2exe distribution
executable = "python.exe"
self.process.start(executable, p_args)
running = self.process.waitForStarted()
self.set_running_state(running)
if not running:
QMessageBox.critical(self, _("Error"),
_("Process failed to start"))
def create_action(parent, text, shortcut=None, icon=None, tip=None,
toggled=None, triggered=None, data=None, menurole=None,
context=Qt.WindowShortcut):
"""Create a QAction"""
action = QAction(text, parent)
if triggered is not None:
parent.connect(action, SIGNAL("triggered()"), triggered)
if toggled is not None:
parent.connect(action, SIGNAL("toggled(bool)"), toggled)
action.setCheckable(True)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
action.setIcon(icon)
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if data is not None:
action.setData(to_qvariant(data))
if menurole is not None:
action.setMenuRole(menurole)
#TODO: Hard-code all shortcuts and choose context=Qt.WidgetShortcut
# (this will avoid calling shortcuts from another dockwidget
# since the context thing doesn't work quite well with these widgets)
action.setShortcutContext(context)
return action
def create_button(self, text, callback):
btn = QPushButton(text)
self.connect(btn, SIGNAL('clicked()'), callback)
self.connect(btn,
SIGNAL('clicked()'),
lambda opt='': self.has_been_modified(opt))
return btn
def run(self):
html_text = self.html_text_no_doc
doc = self.doc
if doc is not None:
if type(doc) is dict and 'docstring' in doc.keys():
try:
context = generate_context(name=doc['name'],
argspec=doc['argspec'],
note=doc['note'],
math=self.math_option)
html_text = sphinxify(doc['docstring'], context)
if doc['docstring'] == '':
html_text += '<div class="hr"></div>'
html_text += self.html_text_no_doc
except Exception as error:
self.emit(SIGNAL('error_msg(QString)'),
to_text_string(error))
return
elif self.context is not None:
try:
html_text = sphinxify(doc, self.context)
except Exception as error:
self.emit(SIGNAL('error_msg(QString)'),
to_text_string(error))
return
self.emit(SIGNAL('html_ready(QString)'), html_text)
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.connect(self, SIGNAL("edit_goto(QString,int,QString)"),
self.main.editor.load)
self.connect(self, SIGNAL('redirect_stdio(bool)'),
self.main.redirect_internalshell_stdio)
self.main.add_dockwidget(self)
s2pwp_act = create_action(self,
_("Import SED-ML as PhrasedML"),
triggered=self.run_s2pwp)
s2pwp_act.setEnabled(True)
#self.register_shortcut(s2p_act, context="SED-ML to Python",
# name="Import SED-ML file", default="Alt-I")
for item in self.main.file_menu_actions:
try:
menu_title = item.title()
except AttributeError:
pass
else:
if not is_text_string(menu_title): # string is a QString
menu_title = to_text_string(menu_title.toUtf8)
if item.title() == str("Import"):
item.addAction(s2pwp_act)
def load_and_translate(self, sbmlfile, pythonfile, editor, set_current=True):
"""
Read filename as combine archive, unzip, translate, reconstitute in
Python, and create an editor instance and return it
*Warning* This is loading file, creating editor but not executing
the source code analysis -- the analysis must be done by the editor
plugin (in case multiple editorstack instances are handled)
"""
sbmlfile = str(sbmlfile)
self.emit(SIGNAL('starting_long_process(QString)'),
_("Loading %s...") % sbmlfile)
text, enc = encoding.read(sbmlfile)
sbmlstr = te.readFromFile(sbmlfile)
text = "import tellurium as te\n\nr = te.loada('''\n" + str(te.sbmlToAntimony(sbmlstr)) + "''')"
widgeteditor = editor.editorstacks[0]
finfo = widgeteditor.create_new_editor(pythonfile, enc, text, set_current, new=True)
index = widgeteditor.data.index(finfo)
widgeteditor._refresh_outlineexplorer(index, update=True)
self.emit(SIGNAL('ending_long_process(QString)'), "")
if widgeteditor.isVisible() and widgeteditor.checkeolchars_enabled \
and sourcecode.has_mixed_eol_chars(text):
name = os.path.basename(pythonfile)
QMessageBox.warning(self, widgeteditor.title,
_("<b>%s</b> contains mixed end-of-line "
"characters.<br>Spyder will fix this "
"automatically.") % name,
QMessageBox.Ok)
widgeteditor.set_os_eol_chars(index)
widgeteditor.is_analysis_done = False
finfo.editor.set_cursor_position('eof')
finfo.editor.insert_text(os.linesep)
return finfo, sbmlfile
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = QMessageBox.Yes|QMessageBox.YesAll| \
QMessageBox.No|QMessageBox.Cancel
else:
buttons = QMessageBox.Yes|QMessageBox.No
if yes_to_all is None:
answer = QMessageBox.warning(self, _("Delete"),
_("Do you really want "
"to delete <b>%s</b>?"
) % osp.basename(fname), buttons)
if answer == QMessageBox.No:
return yes_to_all
elif answer == QMessageBox.Cancel:
return False
elif answer == QMessageBox.YesAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.parent_widget.emit(SIGNAL("removed(QString)"),
fname)
else:
self.remove_tree(fname)
self.parent_widget.emit(SIGNAL("removed_tree(QString)"),
fname)
return yes_to_all
except EnvironmentError as error:
action_str = _('delete')
QMessageBox.critical(self, _("Project Explorer"),
_("<b>Unable to %s <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (action_str, fname, to_text_string(error)))
return False
def __init__(self, parent=None):
QTreeWidget.__init__(self, parent)
self.header_list = [
_('Function/Module'),
_('Total Time'),
_('Local Time'),
_('Calls'),
_('File:line')
]
self.icon_list = {
'module': 'python.png',
'function': 'function.png',
'builtin': 'python_t.png',
'constructor': 'class.png'
}
self.profdata = None # To be filled by self.load_data()
self.stats = None # To be filled by self.load_data()
self.item_depth = None
self.item_list = None
self.items_to_be_shown = None
self.current_view_depth = None
self.setColumnCount(len(self.header_list))
self.setHeaderLabels(self.header_list)
self.initialize_view()
self.connect(self, SIGNAL('itemActivated(QTreeWidgetItem*,int)'),
self.item_activated)
self.connect(self, SIGNAL('itemExpanded(QTreeWidgetItem*)'),
self.item_expanded)
def select_file(self):
self.emit(SIGNAL('redirect_stdio(bool)'), False)
filename, _selfilter = getopenfilename(self, _("Select Python file"),
getcwd(), _("Python files")+" (*.py ; *.pyw)")
self.emit(SIGNAL('redirect_stdio(bool)'), False)
if filename:
self.analyze(filename)
def chdir(self,
directory=None,
browsing_history=False,
refresh_explorer=True):
"""Set directory as working directory"""
# Working directory history management
if directory is not None:
directory = osp.abspath(to_text_string(directory))
if browsing_history:
directory = self.history[self.histindex]
elif directory in self.history:
self.histindex = self.history.index(directory)
else:
if self.histindex is None:
self.history = []
else:
self.history = self.history[:self.histindex + 1]
self.history.append(directory)
self.histindex = len(self.history) - 1
# Changing working directory
os.chdir(to_text_string(directory))
self.refresh_plugin()
if refresh_explorer:
self.emit(SIGNAL("set_explorer_cwd(QString)"), directory)
self.emit(SIGNAL("refresh_findinfiles()"))
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.connect(self, SIGNAL("edit_goto(QString,int,QString)"),
self.main.editor.load)
self.connect(self, SIGNAL('redirect_stdio(bool)'),
self.main.redirect_internalshell_stdio)
self.main.add_dockwidget(self)
c2p_act = create_action(self,
_("Import COMBINE as Python"),
triggered=self.run_c2p)
c2p_act.setEnabled(True)
#self.register_shortcut(c2p_act, context="Combine to Python",
# name="Import combine archive", default="Alt-C")
for item in self.main.file_menu_actions:
try:
menu_title = item.title()
except AttributeError:
pass
else:
if not is_text_string(menu_title): # string is a QString
menu_title = to_text_string(menu_title.toUtf8)
if item.title() == str("Import"):
item.addAction(c2p_act)
c2p_actions = (None, c2p_act)
import_menu = QMenu(_("Import"))
add_actions(import_menu, c2p_actions)
self.main.file_menu_actions.insert(8, import_menu)
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.connect(self, SIGNAL('redirect_stdio(bool)'),
self.main.redirect_internalshell_stdio)
self.connect(self.main.console.shell, SIGNAL("refresh()"),
self.refresh_plugin)
self.main.addToolBar(self)
def load_and_translate(self, combine, pythonfile, editor, set_current=True):
"""
Read filename as combine archive, unzip, translate, reconstitute in
Python, and create an editor instance and return it
*Warning* This is loading file, creating editor but not executing
the source code analysis -- the analysis must be done by the editor
plugin (in case multiple editorstack instances are handled)
"""
combine = str(combine)
self.emit(SIGNAL('starting_long_process(QString)'),
_("Loading %s...") % combine)
text, enc = encoding.read(combine)
text = Translatecombine(combine)
zipextloctemp, sbmlloclisttemp, sedmlloclisttemp = manifestsearch(combine)
for i in range(len(text)):
widgeteditor = editor.editorstacks[0]
sedmlfname = os.path.basename(sedmlloclisttemp[i])
finfo = widgeteditor.create_new_editor(os.path.splitext(sedmlfname)[0] + '.py', enc, text[i], set_current, new=True)
index = widgeteditor.data.index(finfo)
widgeteditor._refresh_outlineexplorer(index, update=True)
self.emit(SIGNAL('ending_long_process(QString)'), "")
if widgeteditor.isVisible() and widgeteditor.checkeolchars_enabled \
and sourcecode.has_mixed_eol_chars(text[i]):
name = os.path.basename(os.path.splitext(sedmlfname)[0] + '.py')
QMessageBox.warning(self, widgeteditor.title,
_("<b>%s</b> contains mixed end-of-line "
"characters.<br>Spyder will fix this "
"automatically.") % name,
QMessageBox.Ok)
widgeteditor.set_os_eol_chars(index)
widgeteditor.is_analysis_done = False
finfo.editor.set_cursor_position('eof')
finfo.editor.insert_text(os.linesep)
return finfo, combine
def select_directory(self):
"""Select directory"""
self.emit(SIGNAL('redirect_stdio(bool)'), False)
directory = getexistingdirectory(self.main, _("Select directory"),
getcwd())
if directory:
self.chdir(directory)
self.emit(SIGNAL('redirect_stdio(bool)'), True)
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.connect(self, SIGNAL('focus_changed()'),
self.main.plugin_focus_changed)
self.main.add_dockwidget(self)
# Connecting the following signal once the dockwidget has been created:
self.connect(self.shell, SIGNAL('traceback_available()'),
self.traceback_available)
def select_directory(self):
"""Select directory"""
self.parent().emit(SIGNAL('redirect_stdio(bool)'), False)
directory = getexistingdirectory(self, _("Select directory"),
self.dir_combo.currentText())
if directory:
self.set_directory(directory)
self.parent().emit(SIGNAL('redirect_stdio(bool)'), True)
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 register_plugin(self):
"""Register plugin in Spyder's main window"""
self.connect(self, SIGNAL('focus_changed()'),
self.main.plugin_focus_changed)
self.main.add_dockwidget(self)
# self.main.console.set_historylog(self)
self.connect(self.main.console.shell, SIGNAL("refresh()"),
self.refresh_plugin)
def restore_expanded_state(self):
"""Restore all items expanded state"""
if self.__expanded_state is not None:
# In the old project explorer, the expanded state was a dictionnary:
if isinstance(self.__expanded_state, list):
self.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
self.restore_directory_state)
self.connect(self.fsmodel, SIGNAL('directoryLoaded(QString)'),
self.follow_directories_loaded)
def create_dialog(self, dialog, refname, func):
self.dialogs[id(dialog)] = dialog, refname, func
self.connect(dialog, SIGNAL('accepted()'),
lambda eid=id(dialog): self.editor_accepted(eid))
self.connect(dialog, SIGNAL('rejected()'),
lambda eid=id(dialog): self.editor_rejected(eid))
dialog.show()
dialog.activateWindow()
dialog.raise_()
def refresh_plugin(self):
"""Refresh widget"""
curdir = getcwd()
self.pathedit.add_text(curdir)
self.save_wdhistory()
self.emit(SIGNAL("set_previous_enabled(bool)"),
self.histindex is not None and self.histindex > 0)
self.emit(SIGNAL("set_next_enabled(bool)"),
self.histindex is not None and \
self.histindex < len(self.history)-1)
def add_button_box(self, stdbtns):
"""Create dialog button box and add it to the dialog layout"""
bbox = QDialogButtonBox(stdbtns)
run_btn = bbox.addButton(_("Run"), QDialogButtonBox.AcceptRole)
self.connect(run_btn, SIGNAL('clicked()'), self.run_btn_clicked)
self.connect(bbox, SIGNAL("accepted()"), SLOT("accept()"))
self.connect(bbox, SIGNAL("rejected()"), SLOT("reject()"))
btnlayout = QHBoxLayout()
btnlayout.addStretch(1)
btnlayout.addWidget(bbox)
self.layout().addLayout(btnlayout)
def __init__(self,
text,
title='',
font=None,
parent=None,
readonly=False,
size=(400, 300)):
QDialog.__init__(self, parent)
# Destroying the C++ object right after closing the dialog box,
# otherwise it may be garbage-collected in another QThread
# (e.g. the editor's analysis thread in Spyder), thus leading to
# a segmentation fault on UNIX or an application crash on Windows
self.setAttribute(Qt.WA_DeleteOnClose)
self.text = None
# Display text as unicode if it comes as bytes, so users see
# its right representation
if is_binary_string(text):
self.is_binary = True
text = to_text_string(text, 'utf8')
else:
self.is_binary = False
self.layout = QVBoxLayout()
self.setLayout(self.layout)
# Text edit
self.edit = QTextEdit(parent)
self.connect(self.edit, SIGNAL('textChanged()'), self.text_changed)
self.edit.setReadOnly(readonly)
self.edit.setPlainText(text)
if font is None:
font = get_font('texteditor')
self.edit.setFont(font)
self.layout.addWidget(self.edit)
# Buttons configuration
buttons = QDialogButtonBox.Ok
if not readonly:
buttons = buttons | QDialogButtonBox.Cancel
bbox = QDialogButtonBox(buttons)
self.connect(bbox, SIGNAL("accepted()"), SLOT("accept()"))
self.connect(bbox, SIGNAL("rejected()"), SLOT("reject()"))
self.layout.addWidget(bbox)
# Make the dialog act as a window
self.setWindowFlags(Qt.Window)
self.setWindowIcon(get_icon('edit.png'))
self.setWindowTitle(_("Text editor") + \
"%s" % (" - "+str(title) if str(title) else ""))
self.resize(size[0], size[1])
def initialize_plugin(self):
"""Initialize plugin: connect signals, setup actions, ..."""
self.plugin_actions = self.get_plugin_actions()
QObject.connect(self, SIGNAL('show_message(QString,int)'),
self.show_message)
QObject.connect(self, SIGNAL('update_plugin_title()'),
self.__update_plugin_title)
if self.sig_option_changed is not None:
self.sig_option_changed.connect(self.set_option)
self.setWindowTitle(self.get_plugin_title())
self.create_toggle_view_action()
def setup_page(self):
self.table = ShortcutsTable(self)
self.connect(self.table.model,
SIGNAL("dataChanged(QModelIndex,QModelIndex)"),
lambda i1, i2, opt='': self.has_been_modified(opt))
vlayout = QVBoxLayout()
vlayout.addWidget(self.table)
reset_btn = QPushButton(_("Reset to default values"))
self.connect(reset_btn, SIGNAL('clicked()'), self.reset_to_default)
vlayout.addWidget(reset_btn)
self.setLayout(vlayout)
def __init__(self, color, parent=None):
QHBoxLayout.__init__(self)
assert isinstance(color, QColor)
self.lineedit = QLineEdit(color.name(), parent)
self.connect(self.lineedit, SIGNAL("textChanged(QString)"),
self.update_color)
self.addWidget(self.lineedit)
self.colorbtn = ColorButton(parent)
self.colorbtn.color = color
self.connect(self.colorbtn, SIGNAL("colorChanged(QColor)"),
self.update_text)
self.addWidget(self.colorbtn)
