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#ifndef _PYTHONQTIMPORTER_
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#define _PYTHONQTIMPORTER_
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/*
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*
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* Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
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* 28359 Bremen, Germany or:
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*
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* http://www.mevis.de
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*
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*/
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//----------------------------------------------------------------------------------
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/*!
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// \file PythonQtImporter.h
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// \author Florian Link
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// \author Last changed by $Author: stk $
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// \date 2004-06
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*/
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//----------------------------------------------------------------------------------
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#include "PythonQtPythonInclude.h"
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#include "structmember.h"
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#include "osdefs.h"
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#include "marshal.h"
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#include "compile.h"
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#include <time.h>
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#include <qobject.h>
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#include <qstring.h>
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//! defines a python object that stores a Qt slot info
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typedef struct _PythonQtImporter {
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PyObject_HEAD
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QString* _path;
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} PythonQtImporter;
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//! implements importing of python files into PythonQt
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/*! also compiles/marshalls/unmarshalls py/pyc files and handles time stamps correctly
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*/
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class PythonQtImport
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{
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public:
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enum ModuleType {
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MI_NOT_FOUND,
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MI_MODULE,
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MI_PACKAGE,
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MI_SHAREDLIBRARY
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};
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struct ModuleInfo {
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ModuleInfo() {
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type = MI_NOT_FOUND;
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}
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QString fullPath; //!< the full path to the found file
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QString moduleName; //!< the module name without the package prefix
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ModuleType type;
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};
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//! initialize
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static void init();
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//! writes the python code to disk, marshalling and writing the time stamp
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static void writeCompiledModule(PyCodeObject *co, const QString& filename, long mtime);
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/*! Given the contents of a .py[co] file in a buffer, unmarshal the data
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and return the code object. Return None if it the magic word doesn't
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match (we do this instead of raising an exception as we fall back
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to .py if available and we don't want to mask other errors).
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Returns a new reference. */
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static PyObject *unmarshalCode(const QString& path, const QByteArray& data, time_t mtime);
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//! Given a string buffer containing Python source code, compile it
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//! return and return a code object as a new reference.
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static PyObject *compileSource(const QString& path, const QByteArray& data);
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//! Return the code object for the module named by 'fullname' from the
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//! Zip archive as a new reference.
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static PyObject *getCodeFromData(const QString& path, int isbytecode = 0, int ispackage = 0,
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time_t mtime = 0);
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//! Get the code object associated with the module specified by
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//! 'fullname'.
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static PyObject * getModuleCode(PythonQtImporter *self,
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const char* fullname, QString& modpath);
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//! gets the compiled code for the given *.py file if there is a valid pyc file, otherwise compiles the file and writes the pyc
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static PyObject* getCodeFromPyc(const QString& file);
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//! Return if module exists and is a package or a module
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static ModuleInfo getModuleInfo(PythonQtImporter* self, const QString& fullname);
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//! get the last name of a dot chain (first.second.last)
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static QString getSubName(const QString& str);
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//! Given a buffer, return the long that is represented by the first
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//! 4 bytes, encoded as little endian. This partially reimplements
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//! marshal.c:r_long()
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static long getLong(unsigned char *buf);
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//! get time stamp of file
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static time_t getMTimeOfSource(const QString& path);
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//! replace extension of file
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static QString replaceExtension(const QString& str, const QString& ext);
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};
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#endif
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