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#!/usr/bin/env python
#############################################################################
##
# This file is part of Taurus
##
# http://taurus-scada.org
##
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
# Taurus 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 3 of the License, or
# (at your option) any later version.
##
# Taurus 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 Taurus. If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################
"""
tauruspluginplugin.py:
"""
from __future__ import absolute_import
from taurus.external.qt import QtDesigner
def build_qtdesigner_widget_plugin(klass):
#from . import taurusplugin # - after futurize stage 1
import taurusplugin.taurusplugin as taurusplugin # + after futurize stage 1
class Plugin(taurusplugin.TaurusWidgetPlugin):
WidgetClass = klass
Plugin.__name__ = klass.__name__ + "QtDesignerPlugin"
return Plugin
_SKIP = ["QLogo", "QGroupWidget", "TaurusGroupWidget"]
_plugins = {}
def main():
from taurus.core.util.log import Logger
from taurus.qt.qtgui.util import TaurusWidgetFactory
Logger.setLogLevel(Logger.Debug)
_log = Logger(__name__)
try:
wf = TaurusWidgetFactory()
klasses = wf.getWidgetClasses()
ok_nb, skipped_nb, e1_nb, e2_nb, e3_nb, e4_nb = 0, 0, 0, 0, 0, 0
for widget_klass in klasses:
name = widget_klass.__name__
#_log.debug("Processing %s" % name)
if name in _SKIP:
#_log.debug("Skipped %s" % name)
skipped_nb += 1
continue
# if getQtDesignerPluginInfo does not exist, returns None or raises
# an exception: forget the widget
cont = False
try:
qt_info = widget_klass.getQtDesignerPluginInfo()
if qt_info is None:
#_log.debug("E1: Canceled %s (getQtDesignerPluginInfo)" % name)
e1_nb += 1
cont = True
except AttributeError:
#_log.debug("E2: Canceled %s (widget doesn't have getQtDesignerPluginInfo())" % name)
e2_nb += 1
cont = True
except Exception as e:
#_log.debug("E3: Canceled %s (%s)" % (name, str(e)))
e3_nb += 1
cont = True
if cont:
continue
for k in ('module', ):
if k not in qt_info:
#_log.debug("E4: Canceled %s (getQtDesignerPluginInfo doesn't have key %s)" % (name, k))
e4_nb += 1
cont = True
if cont:
continue
plugin_klass = build_qtdesigner_widget_plugin(widget_klass)
plugin_klass_name = plugin_klass.__name__
globals()[plugin_klass_name] = plugin_klass
_plugins[plugin_klass_name] = plugin_klass
ok_nb += 1
#_log.debug("DONE processing %s" % name)
_log.info("Inpected %d widgets. %d (OK), %d (Skipped), %d (E1), %d (E2), %d (E3), %d(E4)" % (
len(klasses), ok_nb, skipped_nb, e1_nb, e2_nb, e3_nb, e4_nb))
_log.info("E1: getQtDesignerPluginInfo() returns None")
_log.info("E2: widget doesn't implement getQtDesignerPluginInfo()")
_log.info("E3: getQtDesignerPluginInfo() throws exception")
_log.info(
"E4: getQtDesignerPluginInfo() returns dictionary with missing key (probably 'module' key)")
except Exception as e:
import traceback
traceback.print_exc()
# print e
class TaurusWidgets(QtDesigner.QPyDesignerCustomWidgetCollectionPlugin):
def __init__(self, parent=None):
QtDesigner.QPyDesignerCustomWidgetCollectionPlugin.__init__(parent)
self._widgets = None
def customWidgets(self):
if self._widgets is None:
self._widgets = [w(self) for w in _plugins.values()]
return self._widgets
if __name__ != "__main__":
main()
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