You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
4.9 KiB
151 lines
4.9 KiB
#############################################################################
|
|
##
|
|
## Copyright (C) 2015 Riverbank Computing Limited.
|
|
## Copyright (C) 2006 Thorsten Marek.
|
|
## All right reserved.
|
|
##
|
|
## This file is part of PyQt.
|
|
##
|
|
## You may use this file under the terms of the GPL v2 or the revised BSD
|
|
## license as follows:
|
|
##
|
|
## "Redistribution and use in source and binary forms, with or without
|
|
## modification, are permitted provided that the following conditions are
|
|
## met:
|
|
## * Redistributions of source code must retain the above copyright
|
|
## notice, this list of conditions and the following disclaimer.
|
|
## * Redistributions in binary form must reproduce the above copyright
|
|
## notice, this list of conditions and the following disclaimer in
|
|
## the documentation and/or other materials provided with the
|
|
## distribution.
|
|
## * Neither the name of the Riverbank Computing Limited nor the names
|
|
## of its contributors may be used to endorse or promote products
|
|
## derived from this software without specific prior written
|
|
## permission.
|
|
##
|
|
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
##
|
|
#############################################################################
|
|
|
|
|
|
import sys
|
|
|
|
from PyQt5 import QtGui, QtWidgets
|
|
|
|
|
|
class _QtWrapper(object):
|
|
@classmethod
|
|
def search(cls, name):
|
|
return getattr(cls.module, name, None)
|
|
|
|
|
|
class _QtGuiWrapper(_QtWrapper):
|
|
module = QtGui
|
|
|
|
|
|
class _QtWidgetsWrapper(_QtWrapper):
|
|
module = QtWidgets
|
|
|
|
|
|
class _ModuleWrapper(object):
|
|
def __init__(self, moduleName, classes):
|
|
self._moduleName = moduleName
|
|
self._module = None
|
|
self._classes = classes
|
|
|
|
def search(self, cls):
|
|
if cls in self._classes:
|
|
if self._module is None:
|
|
self._module = __import__(self._moduleName, {}, {}, self._classes)
|
|
# Remove any C++ scope.
|
|
cls = cls.split('.')[-1]
|
|
|
|
return getattr(self._module, cls)
|
|
|
|
return None
|
|
|
|
|
|
class _CustomWidgetLoader(object):
|
|
def __init__(self, package):
|
|
# should it stay this way?
|
|
if '.' not in sys.path:
|
|
sys.path.append('.')
|
|
|
|
self._widgets = {}
|
|
self._modules = {}
|
|
self._package = package
|
|
|
|
def addCustomWidget(self, widgetClass, baseClass, module):
|
|
assert widgetClass not in self._widgets
|
|
self._widgets[widgetClass] = module
|
|
|
|
def search(self, cls):
|
|
module_name = self._widgets.get(cls)
|
|
if module_name is None:
|
|
return None
|
|
|
|
module = self._modules.get(module_name)
|
|
if module is None:
|
|
if module_name.startswith('.'):
|
|
if self._package == '':
|
|
raise ImportError(
|
|
"relative import of %s without base package specified" % module_name)
|
|
|
|
if self._package.startswith('.'):
|
|
raise ImportError(
|
|
"base package %s is relative" % self._package)
|
|
|
|
mname = self._package + module_name
|
|
else:
|
|
mname = module_name
|
|
|
|
try:
|
|
module = __import__(mname, {}, {}, (cls,))
|
|
except ValueError:
|
|
# Raise a more helpful exception.
|
|
raise ImportError("unable to import module %s" % mname)
|
|
|
|
self._modules[module_name] = module
|
|
|
|
return getattr(module, cls)
|
|
|
|
|
|
class LoaderCreatorPolicy(object):
|
|
def __init__(self, package):
|
|
self._package = package
|
|
|
|
def createQtGuiWidgetsWrappers(self):
|
|
return [_QtGuiWrapper, _QtWidgetsWrapper]
|
|
|
|
def createModuleWrapper(self, moduleName, classes):
|
|
return _ModuleWrapper(moduleName, classes)
|
|
|
|
def createCustomWidgetLoader(self):
|
|
return _CustomWidgetLoader(self._package)
|
|
|
|
def instantiate(self, clsObject, objectName, ctor_args, is_attribute=True):
|
|
return clsObject(*ctor_args)
|
|
|
|
def invoke(self, rname, method, args):
|
|
return method(*args)
|
|
|
|
def getSlot(self, object, slotname):
|
|
# Rename slots that correspond to Python keyword arguments.
|
|
if slotname == 'raise':
|
|
slotname += '_'
|
|
|
|
return getattr(object, slotname)
|
|
|
|
def asString(self, s):
|
|
return s
|