From 32948bc850331303c0207fd93e986a87ef338e8e Mon Sep 17 00:00:00 2001
From: Anthony Geay <anthony.geay@edf.fr>
Date: Tue, 9 Oct 2018 11:05:22 +0200
Subject: [PATCH] MEDLoader is now able to export to 3.3 MED file version.

---
 src/MEDLoader/MEDFileUtilities.cxx            | 24 ++++++++--
 src/MEDLoader/MEDFileUtilities.hxx            |  2 +-
 src/MEDLoader/Swig/CMakeLists.txt             |  2 +-
 ...rtMEDFileTo30.py => ConvertMEDFileTo33.py} | 14 +++---
 src/MEDLoader/Swig/MEDLoaderCommon.i          |  2 +-
 src/MEDLoader/Swig/MEDLoaderTest3.py          | 44 +------------------
 6 files changed, 32 insertions(+), 56 deletions(-)
 rename src/MEDLoader/Swig/{ConvertMEDFileTo30.py => ConvertMEDFileTo33.py} (84%)

diff --git a/src/MEDLoader/MEDFileUtilities.cxx b/src/MEDLoader/MEDFileUtilities.cxx
index d309257f5..1d51ae918 100644
--- a/src/MEDLoader/MEDFileUtilities.cxx
+++ b/src/MEDLoader/MEDFileUtilities.cxx
@@ -19,12 +19,14 @@
 // Author : Anthony Geay (CEA/DEN)
 
 #include "MEDFileUtilities.hxx"
+#include "MEDFileSafeCaller.txx"
 #include "MEDLoaderBase.hxx"
 #include "MEDLoader.hxx"
 
 #include "InterpKernelAutoPtr.hxx"
 
 #include <sstream>
+#include <fstream>
 
 const char MEDCoupling::MEDFileWritableStandAlone::DFT_FILENAME_IN_MEM[]="DftFileNameInMemory";
 
@@ -187,14 +189,28 @@ void MEDCoupling::MEDFileWritableStandAlone::write(const std::string& fileName,
   writeLL(fid);
 }
 
-void MEDCoupling::MEDFileWritableStandAlone::write30(const std::string& fileName, int mode) const
+void MEDCoupling::MEDFileWritableStandAlone::write33(const std::string& fileName, int mode) const
 {
   med_access_mode medmod(MEDFileUtilities::TraduceWriteMode(mode));
-#if MED_NUM_MAJEUR>3 || ( MED_NUM_MAJEUR==3 && ( (MED_NUM_MINEUR==2 && MED_NUM_RELEASE>=1) || MED_NUM_MINEUR>=3) )
-  MEDFileUtilities::AutoFid fid(MEDfileVersionOpen(fileName.c_str(),medmod,3,0,0));
+  static const unsigned char 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+#if MED_NUM_MAJEUR>3
+  med_bool fileexist,accessok;
+  MEDFILESAFECALLERRD0(MEDfileExist,(fileName.c_str(),medmod,&fileexist,&accessok));
+  if(!accessok)
+    {
+      std::ostringstream oss; oss << "MEDFileWritableStandAlone::write33 : requested access to file \"" << fileName << "\" !";
+      throw INTERP_KERNEL::Exception(oss.str());
+    }
+  if(medmod==MED_ACC_CREAT || !fileexist)
+    {
+      std::ofstream ofs(fileName);
+      ofs.write(reinterpret_cast<const char *>(EMPTY_FILE_3_3),sizeof(EMPTY_FILE_3_3));
+      medmod=MEDFileUtilities::TraduceWriteMode(0);
+    }
+  MEDFileUtilities::AutoFid fid(MEDfileVersionOpen(fileName.c_str(),medmod,3,3,1));
   writeLL(fid);
 #else
-  std::ostringstream oss; oss << "MEDFileWritableStandAlone::write30 : is implemented with MEDFile " << MEDFileVersionStr() << " ! If you need this feature please use version >= 3.2.1.";
+  std::ostringstream oss; oss << "MEDFileWritableStandAlone::write33 : is implemented with MEDFile " << MEDFileVersionStr() << " ! If you need this feature please use version >= 3.2.1.";
   throw INTERP_KERNEL::Exception(oss.str());
 #endif
 }
diff --git a/src/MEDLoader/MEDFileUtilities.hxx b/src/MEDLoader/MEDFileUtilities.hxx
index 27c93158d..2747253c7 100644
--- a/src/MEDLoader/MEDFileUtilities.hxx
+++ b/src/MEDLoader/MEDFileUtilities.hxx
@@ -70,7 +70,7 @@ namespace MEDCoupling
   public:
     MEDLOADER_EXPORT virtual void writeLL(med_idt fid) const = 0;
     MEDLOADER_EXPORT virtual void write(const std::string& fileName, int mode) const;
-    MEDLOADER_EXPORT virtual void write30(const std::string& fileName, int mode) const;
+    MEDLOADER_EXPORT virtual void write33(const std::string& fileName, int mode) const;
     MEDLOADER_EXPORT MCAuto<DataArrayByte> serialize() const;
     MEDLOADER_EXPORT static std::string GenerateUniqueDftFileNameInMem();
   public:
diff --git a/src/MEDLoader/Swig/CMakeLists.txt b/src/MEDLoader/Swig/CMakeLists.txt
index b8469f518..a4579cf92 100644
--- a/src/MEDLoader/Swig/CMakeLists.txt
+++ b/src/MEDLoader/Swig/CMakeLists.txt
@@ -98,7 +98,7 @@ INSTALL(FILES med2sauv PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EX
 INSTALL(FILES sauv2med PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ DESTINATION ${MEDCOUPLING_INSTALL_BINS} )
 INSTALL(FILES case2med PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ DESTINATION ${MEDCOUPLING_INSTALL_BINS} )
 INSTALL(FILES med2case PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ DESTINATION ${MEDCOUPLING_INSTALL_BINS} )
-INSTALL(FILES ConvertMEDFileTo30.py PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ DESTINATION ${MEDCOUPLING_INSTALL_BINS} )
+INSTALL(FILES ConvertMEDFileTo33.py PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ DESTINATION ${MEDCOUPLING_INSTALL_BINS} )
 
 SALOME_GENERATE_TESTS_ENVIRONMENT(tests_env)
 
diff --git a/src/MEDLoader/Swig/ConvertMEDFileTo30.py b/src/MEDLoader/Swig/ConvertMEDFileTo33.py
similarity index 84%
rename from src/MEDLoader/Swig/ConvertMEDFileTo30.py
rename to src/MEDLoader/Swig/ConvertMEDFileTo33.py
index bda168554..20ef99276 100644
--- a/src/MEDLoader/Swig/ConvertMEDFileTo30.py
+++ b/src/MEDLoader/Swig/ConvertMEDFileTo33.py
@@ -23,26 +23,26 @@
 import MEDLoader as ml
 import os
 
-def ConvertTo30(nameOfMEDFile):
+def ConvertTo33(nameOfMEDFile):
     fn,ext=os.path.splitext(nameOfMEDFile)
     assert(ext in [".med",".rmed"])
-    realFnOut=fn+"_30.med"
+    realFnOut=fn+"_33.med"
     #
     initalVersion=ml.MEDFileVersionOfFileStr(nameOfMEDFile)
     #
     mfd=ml.MEDFileData(nameOfMEDFile)
-    mfd.write30(realFnOut,2)
+    mfd.write33(realFnOut,2)
     #
     finalVersion=ml.MEDFileVersionOfFileStr(realFnOut)
     #
-    print(("File \"%s\" has been converted to 3.0 successfully ( %s -> %s ) !\nOutput file is here : \"%s\" !"%(fn,initalVersion,finalVersion,realFnOut)))
+    print(("File \"%s\" has been successfully converted to 3.3 ( %s -> %s ) !\nOutput file is here : \"%s\" !"%(fn,initalVersion,finalVersion,realFnOut)))
     pass
 
 if __name__=="__main__":
     import argparse
-    parser=argparse.ArgumentParser(description='Convert a MED file into a MED file with 3.0 version (3.0.8)')
-    parser.add_argument('nameOfMEDFile', type=str, nargs=1,help='File name of the MED file to be converted into 3.0.')
+    parser=argparse.ArgumentParser(description='Convert a MED file into a MED file with 3.3 version (3.3.1)')
+    parser.add_argument('nameOfMEDFile', type=str, nargs=1,help='File name of the MED file to be converted into 3.3.')
     args=parser.parse_args()
     nameOfMEDFile=args.nameOfMEDFile[0]
-    ConvertTo30(nameOfMEDFile)
+    ConvertTo33(nameOfMEDFile)
     pass
diff --git a/src/MEDLoader/Swig/MEDLoaderCommon.i b/src/MEDLoader/Swig/MEDLoaderCommon.i
index 359f8be11..b6391d875 100644
--- a/src/MEDLoader/Swig/MEDLoaderCommon.i
+++ b/src/MEDLoader/Swig/MEDLoaderCommon.i
@@ -603,7 +603,7 @@ namespace MEDCoupling
   {
   public:
     void write(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
-    void write30(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
+    void write33(const std::string& fileName, int mode) const throw(INTERP_KERNEL::Exception);
     %extend
        {
          DataArrayByte *serialize() const throw(INTERP_KERNEL::Exception)
diff --git a/src/MEDLoader/Swig/MEDLoaderTest3.py b/src/MEDLoader/Swig/MEDLoaderTest3.py
index b8a8936a0..4cf592135 100644
--- a/src/MEDLoader/Swig/MEDLoaderTest3.py
+++ b/src/MEDLoader/Swig/MEDLoaderTest3.py
@@ -5783,8 +5783,6 @@ class MEDLoaderTest3(unittest.TestCase):
         pass
     
     @unittest.skipUnless(LooseVersion(MEDFileVersionStr())>=LooseVersion('3.2.1'),"This test requires at least MEDFile version 3.2.1")
-    @unittest.skipUnless(LooseVersion(MEDFileVersionStr())<LooseVersion('4.0.0'),
-                         "This test is not compatible with MEDFile version 4.0.0 and above")
     def testWriteInto30(self):
         fname="Pyfile108.med"
         fname2="Pyfile109.med"
@@ -5792,8 +5790,8 @@ class MEDLoaderTest3(unittest.TestCase):
         mm=MEDFileUMesh() ; mm[0]=m
         mm.setFamilyId("FAMILLE_ZERO",0)
         #
-        mm.write30(fname,2)
-        assert(LooseVersion(MEDFileVersionOfFileStr(fname)).version[:2]==[3,0]) # checks that just written MED file has a version == 3.0.x
+        mm.write33(fname,2)
+        assert(LooseVersion(MEDFileVersionOfFileStr(fname)).version[:2]==[3,3]) # checks that just written MED file has a version == 3.0.x
         mm2=MEDFileUMesh(fname)
         self.assertTrue(mm.isEqual(mm2,1e-12))
         #
@@ -6158,44 +6156,6 @@ class MEDLoaderTest3(unittest.TestCase):
         self.assertEqual(f3.getMesh().getTypeOfCell(0),NORM_PENTA18)
         pass
 
-    @unittest.skipUnless('linux'==platform.system().lower(),"stderr redirection not ported on Windows ?")
-    @unittest.skipUnless(LooseVersion(MEDFileVersionStr())<LooseVersion('4.0.0'),
-                         "This test is not compatible with MEDFile version 4.0.0 and above")
-    def testMedFileCapabilityToCryOnNewFeatureWritingIntoOldFiles(self):
-        fname="Pyfile116.med"
-        errfname="Pyfile116.err"
-        c=DataArrayDouble([0,1,2,3])
-        m=MEDCouplingCMesh()
-        m.setCoords(c,c)
-        m=m.buildUnstructured()
-        m.setName("mesh")
-        mm=MEDFileUMesh()
-        mm[0]=m
-        f=MEDCouplingFieldInt(ON_CELLS)
-        f.setMesh(m) ; arr2=DataArrayInt(m.getNumberOfCells()) ; arr2.iota()
-        f.setArray(arr2)
-        f.setName("field")
-        f1ts=MEDFileIntField1TS()
-        f1ts.setFieldNoProfileSBT(f)
-        mm.write30(fname,2)
-        f1ts.write30(fname,0)
-        #
-        f=MEDCouplingFieldFloat(ON_CELLS)
-        f.setMesh(m) ; arr2=DataArrayFloat(m.getNumberOfCells()) ; arr2.iota()
-        f.setArray(arr2)
-        f.setName("field2")
-        f1ts=MEDFileFloatField1TS()
-        f1ts.setFieldNoProfileSBT(f)
-        #
-        import os,gc
-        tmp=StdOutRedirect(errfname)
-        self.assertRaises(InterpKernelException,f1ts.write30,fname,0)
-        del tmp
-        gc.collect(0)
-        if os.path.exists(errfname):
-            os.remove(errfname)
-        pass
-
     def testFieldsLinearToQuadratic(self):
         fname="Pyfile117.med"
         arr=DataArrayDouble([0,1])
-- 
2.39.2