def __init__(self, parent, config=CONF):
"""Conda Packages Widget."""
super(CondaPackagesWidget, self).__init__(parent)
self._parent = parent
self._current_model_index = None
self._current_action_name = ''
self._current_table_scroll = None
self._hide_widgets = False
self.api = AnacondaAPI()
self.prefix = None
self.style_sheet = None
self.message = ''
self.config = config
# Widgets
self.bbox = QDialogButtonBox(Qt.Horizontal)
self.button_cancel = ButtonPackageCancel('Cancel')
self.button_channels = ButtonPackageChannels(_('Channels'))
self.button_ok = ButtonPackageOk(_('Ok'))
self.button_update = ButtonPackageUpdate(_('Update index...'))
self.button_apply = ButtonPackageApply(_('Apply'))
self.button_clear = ButtonPackageClear(_('Clear'))
self.combobox_filter = ComboBoxPackageFilter(self)
self.frame_top = FrameTabHeader()
self.frame_bottom = FrameTabFooter()
self.progress_bar = ProgressBarPackage(self)
self.label_status = LabelPackageStatus(self)
self.label_status_action = LabelPackageStatusAction(self)
self.table = TableCondaPackages(self)
self.textbox_search = LineEditSearch(self)
self.widgets = [
self.button_update, self.button_channels, self.combobox_filter,
self.textbox_search, self.table, self.button_ok, self.button_apply,
self.button_clear
]
self.table_first_row = FirstRowWidget(
widget_before=self.textbox_search)
self.table_last_row = LastRowWidget(widgets_after=[
self.button_apply,
self.button_clear,
self.button_cancel,
])
# Widgets setup
max_height = self.label_status.fontMetrics().height()
max_width = self.textbox_search.fontMetrics().width('M' * 23)
self.bbox.addButton(self.button_ok, QDialogButtonBox.ActionRole)
self.button_ok.setMaximumSize(QSize(0, 0))
self.button_ok.setVisible(False)
self.button_channels.setCheckable(True)
combo_items = [k for k in C.COMBOBOX_VALUES_ORDERED]
self.combobox_filter.addItems(combo_items)
self.combobox_filter.setMinimumWidth(120)
self.progress_bar.setMaximumHeight(max_height * 1.2)
self.progress_bar.setMaximumWidth(max_height * 12)
self.progress_bar.setTextVisible(False)
self.progress_bar.setVisible(False)
self.setMinimumSize(QSize(480, 300))
self.setWindowTitle(_("Conda Package Manager"))
self.label_status.setFixedHeight(max_height * 1.5)
self.textbox_search.setMaximumWidth(max_width)
self.textbox_search.setPlaceholderText('Search Packages')
self.table_first_row.setMaximumHeight(0)
self.table_last_row.setMaximumHeight(0)
self.table_last_row.setVisible(False)
self.table_first_row.setVisible(False)
# Layout
top_layout = QHBoxLayout()
top_layout.addWidget(self.combobox_filter, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.button_channels, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.button_update, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.textbox_search, 0, Qt.AlignCenter)
top_layout.addStretch()
self.frame_top.setLayout(top_layout)
middle_layout = QVBoxLayout()
middle_layout.addWidget(self.table_first_row)
middle_layout.addWidget(self.table)
middle_layout.addWidget(self.table_last_row)
bottom_layout = QHBoxLayout()
bottom_layout.addWidget(self.label_status_action)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.label_status)
bottom_layout.addStretch()
bottom_layout.addWidget(self.progress_bar)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_cancel)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_apply)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_clear)
self.frame_bottom.setLayout(bottom_layout)
layout = QVBoxLayout(self)
layout.addWidget(self.frame_top)
layout.addLayout(middle_layout)
layout.addWidget(self.frame_bottom)
self.setLayout(layout)
# Signals and slots
self.button_cancel.clicked.connect(
lambda: self.sig_cancel_requested.emit(C.TAB_ENVIRONMENT))
self.combobox_filter.currentTextChanged.connect(self.filter_package)
self.button_apply.clicked.connect(self.apply_multiple_actions)
self.button_clear.clicked.connect(self.clear_actions)
self.button_channels.clicked.connect(self.show_channels)
self.button_update.clicked.connect(self.update_package_index)
self.textbox_search.textChanged.connect(self.search_package)
self.table.sig_actions_updated.connect(self.update_actions)
self.table.sig_status_updated.connect(self.update_status)
self.table.sig_next_focus.connect(self.table_last_row.handle_tab)
self.table.sig_previous_focus.connect(
lambda: self.table_first_row.widget_before.setFocus())
self.table_first_row.sig_enter_first.connect(self._handle_tab_focus)
self.table_last_row.sig_enter_last.connect(self._handle_backtab_focus)
self.button_cancel.setVisible(False)
def __init__(self, parent=None):
"""Home applications tab."""
super(HomeTab, self).__init__(parent)
# Variables
self._parent = parent
self.api = AnacondaAPI()
self.applications = None
self.style_sheet = None
self.app_timers = None
self.current_prefix = None
# Widgets
self.list = ListWidgetApplication()
self.button_channels = ButtonHomeChannels('Channels')
self.button_refresh = ButtonHomeRefresh('Refresh')
self.combo = ComboHomeEnvironment()
self.frame_top = FrameTabHeader(self)
self.frame_body = FrameTabContent(self)
self.frame_bottom = FrameTabFooter(self)
self.label_home = LabelHome('Applications on')
self.label_status_action = QLabel('')
self.label_status = QLabel('')
self.progress_bar = QProgressBar()
self.first_widget = self.combo
# Widget setup
self.setObjectName('Tab')
self.progress_bar.setTextVisible(False)
self.list.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
# Layout
layout_top = QHBoxLayout()
layout_top.addWidget(self.label_home)
layout_top.addWidget(SpacerHorizontal())
layout_top.addWidget(self.combo)
layout_top.addWidget(SpacerHorizontal())
layout_top.addWidget(self.button_channels)
layout_top.addWidget(SpacerHorizontal())
layout_top.addStretch()
layout_top.addWidget(self.button_refresh)
self.frame_top.setLayout(layout_top)
layout_body = QVBoxLayout()
layout_body.addWidget(self.list)
self.frame_body.setLayout(layout_body)
layout_bottom = QHBoxLayout()
layout_bottom.addWidget(self.label_status_action)
layout_bottom.addWidget(SpacerHorizontal())
layout_bottom.addWidget(self.label_status)
layout_bottom.addStretch()
layout_bottom.addWidget(self.progress_bar)
self.frame_bottom.setLayout(layout_bottom)
layout = QVBoxLayout()
layout.addWidget(self.frame_top)
layout.addWidget(self.frame_body)
layout.addWidget(self.frame_bottom)
self.setLayout(layout)
# Signals
self.list.sig_conda_action_requested.connect(
self.sig_conda_action_requested)
self.list.sig_url_clicked.connect(self.sig_url_clicked)
self.list.sig_launch_action_requested.connect(
self.sig_launch_action_requested)
self.button_channels.clicked.connect(self.show_channels)
self.button_refresh.clicked.connect(self.refresh_cards)
self.progress_bar.setVisible(False)
class CondaPackagesWidget(QWidget):
"""Conda Packages Widget."""
sig_ready = Signal()
sig_next_focus = Signal()
# conda_packages_action_dict, pip_packages_action_dict
sig_packages_action_requested = Signal(object, object)
# button_widget, sender
sig_channels_requested = Signal(object, object)
# sender
sig_update_index_requested = Signal(object)
sig_cancel_requested = Signal(object)
def __init__(self, parent, config=CONF):
"""Conda Packages Widget."""
super(CondaPackagesWidget, self).__init__(parent)
self._parent = parent
self._current_model_index = None
self._current_action_name = ''
self._current_table_scroll = None
self._hide_widgets = False
self.api = AnacondaAPI()
self.prefix = None
self.style_sheet = None
self.message = ''
self.config = config
# Widgets
self.bbox = QDialogButtonBox(Qt.Horizontal)
self.button_cancel = ButtonPackageCancel('Cancel')
self.button_channels = ButtonPackageChannels(_('Channels'))
self.button_ok = ButtonPackageOk(_('Ok'))
self.button_update = ButtonPackageUpdate(_('Update index...'))
self.button_apply = ButtonPackageApply(_('Apply'))
self.button_clear = ButtonPackageClear(_('Clear'))
self.combobox_filter = ComboBoxPackageFilter(self)
self.frame_top = FrameTabHeader()
self.frame_bottom = FrameTabFooter()
self.progress_bar = ProgressBarPackage(self)
self.label_status = LabelPackageStatus(self)
self.label_status_action = LabelPackageStatusAction(self)
self.table = TableCondaPackages(self)
self.textbox_search = LineEditSearch(self)
self.widgets = [
self.button_update, self.button_channels, self.combobox_filter,
self.textbox_search, self.table, self.button_ok, self.button_apply,
self.button_clear
]
self.table_first_row = FirstRowWidget(
widget_before=self.textbox_search)
self.table_last_row = LastRowWidget(widgets_after=[
self.button_apply,
self.button_clear,
self.button_cancel,
])
# Widgets setup
max_height = self.label_status.fontMetrics().height()
max_width = self.textbox_search.fontMetrics().width('M' * 23)
self.bbox.addButton(self.button_ok, QDialogButtonBox.ActionRole)
self.button_ok.setMaximumSize(QSize(0, 0))
self.button_ok.setVisible(False)
self.button_channels.setCheckable(True)
combo_items = [k for k in C.COMBOBOX_VALUES_ORDERED]
self.combobox_filter.addItems(combo_items)
self.combobox_filter.setMinimumWidth(120)
self.progress_bar.setMaximumHeight(max_height * 1.2)
self.progress_bar.setMaximumWidth(max_height * 12)
self.progress_bar.setTextVisible(False)
self.progress_bar.setVisible(False)
self.setMinimumSize(QSize(480, 300))
self.setWindowTitle(_("Conda Package Manager"))
self.label_status.setFixedHeight(max_height * 1.5)
self.textbox_search.setMaximumWidth(max_width)
self.textbox_search.setPlaceholderText('Search Packages')
self.table_first_row.setMaximumHeight(0)
self.table_last_row.setMaximumHeight(0)
self.table_last_row.setVisible(False)
self.table_first_row.setVisible(False)
# Layout
top_layout = QHBoxLayout()
top_layout.addWidget(self.combobox_filter, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.button_channels, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.button_update, 0, Qt.AlignCenter)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.textbox_search, 0, Qt.AlignCenter)
top_layout.addStretch()
self.frame_top.setLayout(top_layout)
middle_layout = QVBoxLayout()
middle_layout.addWidget(self.table_first_row)
middle_layout.addWidget(self.table)
middle_layout.addWidget(self.table_last_row)
bottom_layout = QHBoxLayout()
bottom_layout.addWidget(self.label_status_action)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.label_status)
bottom_layout.addStretch()
bottom_layout.addWidget(self.progress_bar)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_cancel)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_apply)
bottom_layout.addWidget(SpacerHorizontal())
bottom_layout.addWidget(self.button_clear)
self.frame_bottom.setLayout(bottom_layout)
layout = QVBoxLayout(self)
layout.addWidget(self.frame_top)
layout.addLayout(middle_layout)
layout.addWidget(self.frame_bottom)
self.setLayout(layout)
# Signals and slots
self.button_cancel.clicked.connect(
lambda: self.sig_cancel_requested.emit(C.TAB_ENVIRONMENT))
self.combobox_filter.currentTextChanged.connect(self.filter_package)
self.button_apply.clicked.connect(self.apply_multiple_actions)
self.button_clear.clicked.connect(self.clear_actions)
self.button_channels.clicked.connect(self.show_channels)
self.button_update.clicked.connect(self.update_package_index)
self.textbox_search.textChanged.connect(self.search_package)
self.table.sig_actions_updated.connect(self.update_actions)
self.table.sig_status_updated.connect(self.update_status)
self.table.sig_next_focus.connect(self.table_last_row.handle_tab)
self.table.sig_previous_focus.connect(
lambda: self.table_first_row.widget_before.setFocus())
self.table_first_row.sig_enter_first.connect(self._handle_tab_focus)
self.table_last_row.sig_enter_last.connect(self._handle_backtab_focus)
self.button_cancel.setVisible(False)
# --- Helpers
# -------------------------------------------------------------------------
def _handle_tab_focus(self):
self.table.setFocus()
if self.table.proxy_model:
index = self.table.proxy_model.index(0, 0)
self.table.setCurrentIndex(index)
def _handle_backtab_focus(self):
self.table.setFocus()
if self.table.proxy_model:
row = self.table.proxy_model.rowCount() - 1
index = self.table.proxy_model.index(row, 0)
self.table.setCurrentIndex(index)
# --- Setup
# -------------------------------------------------------------------------
def setup(self, packages=None, model_data=None, prefix=None):
"""
Setup packages.
Populate the table with `packages` information.
Parameters
----------
packages: dict
Grouped package information by package name.
blacklist: list of str
List of conda package names to be excluded from the actual package
manager view.
"""
self.table.setup_model(packages, model_data)
combobox_text = self.combobox_filter.currentText()
self.combobox_filter.setCurrentText(combobox_text)
self.filter_package(combobox_text)
self.table.setFocus()
self.sig_ready.emit()
# --- Other methods
# -------------------------------------------------------------------------
def apply_multiple_actions(self):
"""Apply multiple actions on packages."""
logger.debug('')
actions = self.table.get_actions()
pip_actions = actions[C.PIP_PACKAGE]
conda_actions = actions[C.CONDA_PACKAGE]
self.sig_packages_action_requested.emit(conda_actions, pip_actions)
def clear_actions(self):
"""Clear the table actions."""
self.table.clear_actions()
def filter_package(self, value):
"""Filter packages by type."""
self.table.filter_status_changed(value)
def search_package(self, text):
"""Search and filter packages by text."""
self.table.search_string_changed(text)
def show_channels(self):
"""Show channel dialog."""
self.sig_channels_requested.emit(
self.button_channels,
C.TAB_ENVIRONMENT,
)
def update_actions(self, number_of_actions):
"""Update visibility of buttons based on actions."""
self.button_apply.setVisible(bool(number_of_actions))
self.button_clear.setVisible(bool(number_of_actions))
def update_package_index(self):
"""Update pacakge index."""
self.sig_update_index_requested.emit(C.ENVIRONMENT_PACKAGE_MANAGER)
# --- Common methods
# -------------------------------------------------------------------------
def ordered_widgets(self):
pass
def set_widgets_enabled(self, value):
"""Set the enabled status of widgets and subwidgets."""
self.table.setEnabled(value)
self.button_clear.setEnabled(value)
self.button_apply.setEnabled(value)
self.button_cancel.setEnabled(not value)
self.button_cancel.setVisible(not value)
def update_status(self, action='', message='', value=None, max_value=None):
"""
Update status of package widget.
- progress == None and max_value == None -> Not Visible
- progress == 0 and max_value == 0 -> Busy
- progress == n and max_value == m -> Progress values
"""
self.label_status_action.setText(action)
self.label_status.setText(message)
if max_value is None and value is None:
self.progress_bar.setVisible(False)
else:
self.progress_bar.setVisible(True)
self.progress_bar.setMaximum(max_value)
self.progress_bar.setValue(value)
def update_style_sheet(self, style_sheet=None):
"""Update custom CSS style sheet."""
if style_sheet is None:
self.style_sheet = load_style_sheet()
else:
self.style_sheet = style_sheet
self.setStyleSheet(self.style_sheet)
class HomeTab(WidgetBase):
"""Home applications tab."""
# name, prefix, sender
sig_item_selected = Signal(object, object, object)
# button_widget, sender
sig_channels_requested = Signal(object, object)
# application_name, command, prefix, leave_path_alone, sender
sig_launch_action_requested = Signal(object, object, bool, object, object)
# action, application_name, version, sender
sig_conda_action_requested = Signal(object, object, object, object)
# url
sig_url_clicked = Signal(object)
# TODO: Connect these signals to have more granularity
# [{'name': package_name, 'version': version}...], sender
sig_install_action_requested = Signal(object, object)
sig_remove_action_requested = Signal(object, object)
def __init__(self, parent=None):
"""Home applications tab."""
super(HomeTab, self).__init__(parent)
# Variables
self._parent = parent
self.api = AnacondaAPI()
self.applications = None
self.style_sheet = None
self.app_timers = None
self.current_prefix = None
# Widgets
self.list = ListWidgetApplication()
self.button_channels = ButtonHomeChannels('Channels')
self.button_refresh = ButtonHomeRefresh('Refresh')
self.combo = ComboHomeEnvironment()
self.frame_top = FrameTabHeader(self)
self.frame_body = FrameTabContent(self)
self.frame_bottom = FrameTabFooter(self)
self.label_home = LabelHome('Applications on')
self.label_status_action = QLabel('')
self.label_status = QLabel('')
self.progress_bar = QProgressBar()
self.first_widget = self.combo
# Widget setup
self.setObjectName('Tab')
self.progress_bar.setTextVisible(False)
self.list.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
# Layout
layout_top = QHBoxLayout()
layout_top.addWidget(self.label_home)
layout_top.addWidget(SpacerHorizontal())
layout_top.addWidget(self.combo)
layout_top.addWidget(SpacerHorizontal())
layout_top.addWidget(self.button_channels)
layout_top.addWidget(SpacerHorizontal())
layout_top.addStretch()
layout_top.addWidget(self.button_refresh)
self.frame_top.setLayout(layout_top)
layout_body = QVBoxLayout()
layout_body.addWidget(self.list)
self.frame_body.setLayout(layout_body)
layout_bottom = QHBoxLayout()
layout_bottom.addWidget(self.label_status_action)
layout_bottom.addWidget(SpacerHorizontal())
layout_bottom.addWidget(self.label_status)
layout_bottom.addStretch()
layout_bottom.addWidget(self.progress_bar)
self.frame_bottom.setLayout(layout_bottom)
layout = QVBoxLayout()
layout.addWidget(self.frame_top)
layout.addWidget(self.frame_body)
layout.addWidget(self.frame_bottom)
self.setLayout(layout)
# Signals
self.list.sig_conda_action_requested.connect(
self.sig_conda_action_requested)
self.list.sig_url_clicked.connect(self.sig_url_clicked)
self.list.sig_launch_action_requested.connect(
self.sig_launch_action_requested)
self.button_channels.clicked.connect(self.show_channels)
self.button_refresh.clicked.connect(self.refresh_cards)
self.progress_bar.setVisible(False)
# --- Setup methods
# -------------------------------------------------------------------------
def setup(self, conda_data):
"""Setup the tab content."""
conda_processed_info = conda_data.get('processed_info')
environments = conda_processed_info.get('__environments')
applications = conda_data.get('applications')
self.current_prefix = conda_processed_info.get('default_prefix')
self.set_environments(environments)
self.set_applications(applications)
def set_environments(self, environments):
"""Setup the environments list."""
# Disconnect to avoid triggering the signal when updating the content
try:
self.combo.currentIndexChanged.disconnect()
except TypeError:
pass
self.combo.clear()
for i, (env_prefix, env_name) in enumerate(environments.items()):
self.combo.addItem(env_name, env_prefix)
self.combo.setItemData(i, env_prefix, Qt.ToolTipRole)
index = 0
for i, (env_prefix, env_name) in enumerate(environments.items()):
if self.current_prefix == env_prefix:
index = i
break
self.combo.setCurrentIndex(index)
self.combo.currentIndexChanged.connect(self._item_selected)
def set_applications(self, applications):
"""Build the list of applications present in the current conda env."""
apps = self.api.process_apps(applications, prefix=self.current_prefix)
all_applications = []
installed_applications = []
not_installed_applications = []
# Check if some installed applications are not on the apps dict
# for example when the channel was removed.
linked_apps = self.api.conda_linked_apps_info(self.current_prefix)
missing_apps = [app for app in linked_apps if app not in apps]
for app in missing_apps:
apps[app] = linked_apps[app]
for app_name in sorted(list(apps.keys())):
app = apps[app_name]
item = ListItemApplication(name=app['name'],
description=app['description'],
versions=app['versions'],
command=app['command'],
image_path=app['image_path'],
prefix=self.current_prefix,
needs_license=app.get(
'needs_license', False))
if item.installed:
installed_applications.append(item)
else:
not_installed_applications.append(item)
all_applications = installed_applications + not_installed_applications
self.list.clear()
for i in all_applications:
self.list.addItem(i)
self.list.update_style_sheet(self.style_sheet)
self.set_widgets_enabled(True)
self.update_status()
# --- Other methods
# -------------------------------------------------------------------------
def current_environment(self):
"""Return the current selected environment."""
env_name = self.combo.currentText()
return self.api.conda_get_prefix_envname(env_name)
def refresh_cards(self):
"""Refresh application widgets.
List widget items sometimes are hidden on resize. This method tries
to compensate for that refreshing and repainting on user demand.
"""
self.list.update_style_sheet(self.style_sheet)
self.list.repaint()
for item in self.list.items():
if not item.widget.isVisible():
item.widget.repaint()
def show_channels(self):
"""Emit signal requesting the channels dialog editor."""
self.sig_channels_requested.emit(self.button_channels, C.TAB_HOME)
def update_list(self, name=None, version=None):
"""Update applications list."""
self.set_applications()
self.label_status.setVisible(False)
self.label_status_action.setVisible(False)
self.progress_bar.setVisible(False)
def update_versions(self, apps=None):
"""Update applications versions."""
self.items = []
for i in range(self.list.count()):
item = self.list.item(i)
self.items.append(item)
if isinstance(item, ListItemApplication):
name = item.name
meta = apps.get(name)
if meta:
versions = meta['versions']
version = self.api.get_dev_tool_version(item.path)
item.update_versions(version, versions)
# --- Common Helpers (# FIXME: factor out to common base widget)
# -------------------------------------------------------------------------
def _item_selected(self, index):
"""Notify that the item in combo (environment) changed."""
name = self.combo.itemText(index)
prefix = self.combo.itemData(index)
self.sig_item_selected.emit(name, prefix, C.TAB_HOME)
@property
def last_widget(self):
"""Return the last element of the list to be used in tab ordering."""
if self.list.items():
return self.list.items()[-1].widget
def ordered_widgets(self, next_widget=None):
"""Return a list of the ordered widgets."""
ordered_widgets = [
self.combo,
self.button_channels,
self.button_refresh,
]
ordered_widgets += self.list.ordered_widgets()
return ordered_widgets
def set_widgets_enabled(self, value):
"""Enable or disable widgets."""
self.combo.setEnabled(value)
self.button_channels.setEnabled(value)
self.button_refresh.setEnabled(value)
for item in self.list.items():
item.button_install.setEnabled(value)
item.button_options.setEnabled(value)
if value:
item.set_loading(not value)
def update_items(self):
"""Update status of items in list."""
if self.list:
for item in self.list.items():
item.update_status()
def update_status(self, action='', message='', value=None, max_value=None):
"""Update the application action status."""
# Elide if too big
width = QApplication.desktop().availableGeometry().width()
max_status_length = round(width * (2.0 / 3.0), 0)
msg_percent = 0.70
fm = self.label_status_action.fontMetrics()
action = fm.elidedText(action, Qt.ElideRight,
round(max_status_length * msg_percent, 0))
message = fm.elidedText(
message, Qt.ElideRight,
round(max_status_length * (1 - msg_percent), 0))
self.label_status_action.setText(action)
self.label_status.setText(message)
if max_value is None and value is None:
self.progress_bar.setVisible(False)
else:
self.progress_bar.setVisible(True)
self.progress_bar.setMaximum(max_value)
self.progress_bar.setValue(value)
def update_style_sheet(self, style_sheet=None):
"""Update custom CSS style sheet."""
if style_sheet is None:
self.style_sheet = load_style_sheet()
else:
self.style_sheet = style_sheet
self.list.update_style_sheet(style_sheet=self.style_sheet)
self.setStyleSheet(self.style_sheet)