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#!/usr/bin/python
#
# Urwid __init__.py - all the stuff you're likely to care about
#
# Copyright (C) 2004-2012 Ian Ward
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Urwid web site: http://excess.org/urwid/
import sys
class _UrwidModule(object):
"""
Import specific names from deeper in the urwid module hierarchy
to the top level because urwid was once a small library with
everything in one module, and life is easier for users this way.
This class lazily imports so all users don't need to pay the
price of importing almost all urwid sub-modules on startup.
"""
from urwid.version import VERSION, __version__
_names = {
'widget': (
'FLOW', 'BOX', 'FIXED', 'LEFT', 'RIGHT', 'CENTER', 'TOP', 'MIDDLE',
'BOTTOM', 'SPACE', 'ANY', 'CLIP', 'PACK', 'GIVEN', 'RELATIVE',
'RELATIVE_100', 'WEIGHT', 'WidgetMeta',
'WidgetError', 'Widget', 'FlowWidget', 'BoxWidget', 'fixed_size',
'FixedWidget', 'Divider', 'SolidFill', 'TextError', 'Text',
'EditError', 'Edit', 'IntEdit', 'delegate_to_widget_mixin',
'WidgetWrapError', 'WidgetWrap'),
'decoration': (
'WidgetDecoration', 'WidgetPlaceholder',
'AttrMapError', 'AttrMap', 'AttrWrap', 'BoxAdapterError',
'BoxAdapter', 'PaddingError',
'Padding', 'FillerError', 'Filler', 'WidgetDisable'),
'container': (
'GridFlowError', 'GridFlow', 'OverlayError', 'Overlay',
'FrameError', 'Frame', 'PileError', 'Pile', 'ColumnsError',
'Columns', 'WidgetContainerMixin'),
'wimp': (
'SelectableIcon', 'CheckBoxError', 'CheckBox', 'RadioButton',
'Button', 'PopUpLauncher', 'PopUpTarget'),
'listbox': (
'ListWalkerError', 'ListWalker', 'PollingListWalker',
'SimpleListWalker', 'SimpleFocusListWalker', 'ListBoxError',
'ListBox'),
'graphics': (
'BigText', 'LineBox', 'BarGraphMeta', 'BarGraphError',
'BarGraph', 'GraphVScale', 'ProgressBar', 'scale_bar_values'),
'canvas': (
'CanvasCache', 'CanvasError', 'Canvas', 'TextCanvas',
'BlankCanvas', 'SolidCanvas', 'CompositeCanvas', 'CanvasCombine',
'CanvasOverlay', 'CanvasJoin'),
'font': (
'get_all_fonts', 'Font', 'Thin3x3Font', 'Thin4x3Font',
'HalfBlock5x4Font', 'HalfBlock6x5Font', 'HalfBlockHeavy6x5Font',
'Thin6x6Font', 'HalfBlock7x7Font'),
'signals': (
'MetaSignals', 'Signals', 'emit_signal', 'register_signal',
'connect_signal', 'disconnect_signal'),
'monitored_list': (
'MonitoredList', 'MonitoredFocusList'),
'command_map': (
'CommandMap', 'command_map',
'REDRAW_SCREEN', 'CURSOR_UP', 'CURSOR_DOWN', 'CURSOR_LEFT',
'CURSOR_RIGHT', 'CURSOR_PAGE_UP', 'CURSOR_PAGE_DOWN',
'CURSOR_MAX_LEFT', 'CURSOR_MAX_RIGHT', 'ACTIVATE'),
'main_loop': (
'ExitMainLoop', 'MainLoop', 'SelectEventLoop',
'TwistedEventLoop', 'GLibEventLoop', 'TornadoEventLoop'),
'text_layout': (
'TextLayout', 'StandardTextLayout', 'default_layout',
'LayoutSegment'),
'display_common': (
'UPDATE_PALETTE_ENTRY', 'DEFAULT', 'BLACK',
'DARK_RED', 'DARK_GREEN', 'BROWN', 'DARK_BLUE', 'DARK_MAGENTA',
'DARK_CYAN', 'LIGHT_GRAY', 'DARK_GRAY', 'LIGHT_RED', 'LIGHT_GREEN',
'YELLOW', 'LIGHT_BLUE', 'LIGHT_MAGENTA', 'LIGHT_CYAN', 'WHITE',
'AttrSpecError', 'AttrSpec', 'RealTerminal',
'ScreenError', 'BaseScreen'),
'util': (
'calc_text_pos', 'calc_width', 'is_wide_char',
'move_next_char', 'move_prev_char', 'within_double_byte',
'detected_encoding', 'set_encoding', 'get_encoding_mode',
'apply_target_encoding', 'supports_unicode',
'calc_trim_text', 'TagMarkupException', 'decompose_tagmarkup',
'MetaSuper', 'int_scale', 'is_mouse_event'),
'treetools': (
'TreeWidgetError', 'TreeWidget', 'TreeNode',
'ParentNode', 'TreeWalker', 'TreeListBox'),
'vterm': (
'TermModes', 'TermCharset', 'TermScroller', 'TermCanvas',
'Terminal'),
}
_reverse_names = dict((name, mod) for mod, names in _names.iteritems()
for name in names)
# allow imports of sub-modules to continue to work properly
__path__ = __path__
# 3.3 compat
__name__ = __name__
def __getattr__(self, name):
"""
Lazy import machinery. Use normal import statements to make
it easier for things like pyinstaller to tell what modules
get imported.
"""
if name == 'raw_display':
# special case:
# urwid.raw_display.Screen should work after import urwid
import urwid.raw_display
self.raw_display = urwid.raw_display
return urwid.raw_display
found = self._reverse_names.get(name)
if not found:
raise AttributeError("urwid has no attribute '%s'" % name)
elif found == 'widget':
import urwid.widget
elif found == 'decoration':
import urwid.decoration
elif found == 'container':
import urwid.container
elif found == 'wimp':
import urwid.wimp
elif found == 'listbox':
import urwid.listbox
elif found == 'graphics':
import urwid.graphics
elif found == 'canvas':
import urwid.canvas
elif found == 'font':
import urwid.font
elif found == 'signals':
import urwid.signals
elif found == 'monitored_list':
import urwid.monitored_list
elif found == 'command_map':
import urwid.command_map
elif found == 'main_loop':
import urwid.main_loop
elif found == 'text_layout':
import urwid.text_layout
elif found == 'display_common':
import urwid.display_common
elif found == 'util':
import urwid.util
elif found == 'treetols':
import urwid.treetols
elif found == 'vterm':
import urwid.vterm
else:
assert 0, 'missing import line for %s' % found
if found:
module = getattr(urwid, found)
for n in self._names[found]:
setattr(self, n, getattr(module, n))
return getattr(self, name)
# https://mail.python.org/pipermail/python-ideas/2012-May/014969.html
sys.modules[__name__] = _UrwidModule()
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