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80 lines
3 KiB
Python
80 lines
3 KiB
Python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2008 Simon Edwards <simon@simonzone.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from PyKDE4.plasma import Plasma
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import plasma_importer
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import os.path
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class PythonDataEngineScript(Plasma.DataEngineScript):
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importer = None
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def __init__(self, parent):
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Plasma.DataEngineScript.__init__(self,parent)
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if PythonDataEngineScript.importer is None:
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PythonDataEngineScript.importer = plasma_importer.PlasmaImporter()
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self.initialized = False
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def init(self):
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self.moduleName = str(self.dataEngine().pluginName())
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self.pluginName = 'dataengine_' + self.moduleName.replace('-','_')
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PythonDataEngineScript.importer.register_top_level(self.pluginName, str(self.dataEngine().package().path()))
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# import the code at the file name reported by mainScript()
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relpath = os.path.relpath(str(self.mainScript()),str(self.dataEngine().package().path()))
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if relpath.startswith("contents/code/"):
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relpath = relpath[14:]
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if relpath.endswith(".py"):
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relpath = relpath[:-3]
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relpath = relpath.replace("/",".")
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self.module = __import__(self.pluginName+'.'+relpath)
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# The script may not necessarily be called "main"
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# So we use __dict__ to look up the right name
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basename = os.path.basename(str(self.mainScript()))
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basename = os.path.splitext(basename)[0]
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self.pydataengine = self.module.__dict__[basename].CreateDataEngine(None)
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self.pydataengine.setDataEngine(self.dataEngine())
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self.pydataengine.setDataEngineScript(self)
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self.pydataengine.init()
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self.initialized = True
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return True
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def __dtor__(self):
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PythonDataEngineScript.importer.unregister_top_level(self.pluginName)
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self.pydataengine = None
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def sources(self):
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return self.pydataengine.sources()
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def serviceForSource(self,source):
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return self.pydataengine.serviceForSource(source)
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def sourceRequestEvent(self,name):
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return self.pydataengine.sourceRequestEvent(name)
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def updateSourceEvent(self,source):
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return self.pydataengine.updateSourceEvent(source)
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def CreatePlugin(widget_parent, parent, component_data):
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return PythonDataEngineScript(parent)
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