diff --git a/doc/LDADMFTmain.rst b/doc/LDADMFTmain.rst
index 65f2f7bd..a9e4a8bd 100644
--- a/doc/LDADMFTmain.rst
+++ b/doc/LDADMFTmain.rst
@@ -27,7 +27,7 @@ The only necessary parameter is the filename of the hdf5 archive. In addition, t
   * `use_lda_blocks`: If true, the structure of the density matrix is analysed at initialisation, and non-zero matrix elements 
     are identified. The DMFT calculation is then restricted to these matrix elements, yielding a more efficient solution of the 
     local interaction problem. Degeneracies in orbital and spin space are also identified and stored for later use. The default value is `False`. 
-  * `lda_data`, `symm_corr_data`, `par_proj_data`, `symm_par_data`, `bands_data`: These string variables define the subgroups in the hdf5 arxive,
+  * `lda_data`, `symmcorr_data`, `parproj_data`, `symmpar_data`, `bands_data`: These string variables define the subgroups in the hdf5 arxive,
     where the corresponding information is stored. The default values are consistent with those in :ref:`interfacetowien`.
 
 At initialisation, the necessary data is read from the hdf5 file. If a calculation is restarted based on a previous hdf5 file, information on
diff --git a/doc/interface.rst b/doc/interface.rst
index 256ad789..3e7927aa 100644
--- a/doc/interface.rst
+++ b/doc/interface.rst
@@ -35,9 +35,9 @@ There are three optional parameters to the Constructor:
 
   * `lda_subgrp`: We store all data in subgroups of the hdf5 arxive. For the main data
     that is needed for the DMFT loop, we use the subgroup specified by this optional parameter.
-    The default value `SumK_LDA` is used as the subgroup name.
-  * `symm_subgrp`: In this subgroup we store all the data for applying the symmetry 
-    operations in the DMFT loop. The default value is `SymmCorr`.
+    The default value `lda_input` is used as the subgroup name.
+  * `symmcorr_subgrp`: In this subgroup we store all the data for applying the symmetry 
+    operations in the DMFT loop. The default value is `lda_symmcorr_input`.
   * `repacking`: If true, and the hdf5 file already exists, the system command :program:`h5repack` 
     is invoked. This command ensures a minimal file size of the hdf5
     file. The default value is `False`. If you wish to use this, ensure
@@ -70,8 +70,8 @@ of :program:`Wien2k`, you have to use::
 This reads the files :file:`material_of_interest.parproj` and :file:`material_of_interest.sympar`.
 Again, there are two optional parameters
 
-  * `par_proj_subgrp`: The subgroup for partial projectors data. The default value is `SumK_LDA_ParProj`.
-  * `symm_par_subgrp`: The subgroup for symmetry operations data. The default value is `SymmPar`.
+  * `parproj_subgrp`: The subgroup for partial projectors data. The default value is `lda_parproj_input`.
+  * `symmpar_subgrp`: The subgroup for symmetry operations data. The default value is `lda_symmpar_input`.
 
 Another routine of the class allows to read the input for plotting the momentum-resolved
 spectral function. It is done by::
@@ -79,7 +79,7 @@ spectral function. It is done by::
   Converter.convert_bands_input()
 
 The optional parameter that controls where the data is stored is `bands_subgrp`, 
-with the default value `SumK_LDA_Bands`.
+with the default value `lda_bands_input`.
 
 After having converted this input, you can further proceed with the :ref:`analysis`.
 
diff --git a/doc/reference/h5structure.rst b/doc/reference/h5structure.rst
index b85088f1..3c82d7d2 100644
--- a/doc/reference/h5structure.rst
+++ b/doc/reference/h5structure.rst
@@ -11,7 +11,7 @@ hdf5 data format
 
 In order to be used with the DMFT routines, the following data needs to be provided in the hdf5 file. It contains a lot of information in order to perform DMFT calculations for all kinds of situations, e.g. d-p Hamiltonians, more than one correlated atomic shell, or using symmetry operations for the k-summation. We store all data in subgroups of the hdf5 arxive:
 
-:program:`Main data`: There needs to be one subgroup for the main data of the calculation. The default name of this group is `SumK_LDA`. Its contents are
+:program:`Main data`: There needs to be one subgroup for the main data of the calculation. The default name of this group is `lda_input`. Its contents are
 
   * `energy_unit`, numpy.float. The unit of energy used for the calculation
 
diff --git a/python/TODOFIX b/python/TODOFIX
index 7d9fb723..8c5c6178 100644
--- a/python/TODOFIX
+++ b/python/TODOFIX
@@ -9,6 +9,32 @@ Changed the following:
 * Gupf -> G_upfold
 * read_symmetry_input -> convert_symmetry_input
 
+**********
+* changed default h5 subgroup names
+
+SumK_LDA -> dft_input
+dft_band_input
+SymmCorr -> dft_symmcorr_input
+
+SumK_LDA_ParProj -> dft_parproj_input
+SymmPar -> dft_symmpar_input
+
+def __init__(self, filename, lda_subgrp = 'SumK_LDA', symm_subgrp = 'SymmCorr', repacking = False):
+-->
+def __init__(self, filename, lda_subgrp = 'dft_input', symm_subgrp = 'dft_symm_input', repacking = False):
+
+declare all groupnames in init
+
+symm_subgrp -> symmcorr_subgrp
+symm_par_subgrp -> symmpar_subgrp
+par_proj_subgrp -> parproj_subgrp
+
+symm_data -> symmcorr_data
+par_proj_data -> parproj_data
+symm_par_data -> symmpar_data
+
+**********
+
 * moved find_dc, find_mu_nonint, check_projectors, sorts_of_atoms, 
 number_of_atoms to end, not to be documented.
 * replaced all instances of 
diff --git a/python/converters/hk_converter.py b/python/converters/hk_converter.py
index da57da41..b432aa60 100644
--- a/python/converters/hk_converter.py
+++ b/python/converters/hk_converter.py
@@ -43,7 +43,7 @@ class HkConverter:
     Conversion from general H(k) file to an hdf5 file that can be used as input for the SumK_LDA class.
     """
 
-    def __init__(self, hk_file, hdf_file, lda_subgrp = 'SumK_LDA', symm_subgrp = 'SymmCorr', repacking = False):
+    def __init__(self, hk_file, hdf_file, lda_subgrp = 'lda_input', symmcorr_subgrp = 'lda_symmcorr_input', repacking = False):
         """
         Init of the class.
         on. 
@@ -53,20 +53,18 @@ class HkConverter:
         self.hdf_file = hdf_file
         self.lda_file = hk_file
         self.lda_subgrp = lda_subgrp
-        self.symm_subgrp = symm_subgrp
+        self.symmcorr_subgrp = symmcorr_subgrp
 
         # Checks if h5 file is there and repacks it if wanted:
         import os.path
         if (os.path.exists(self.hdf_file) and repacking):
             self.__repack()
-        
-        
+
 
     def convert_dmft_input(self, first_real_part_matrix = True, only_upper_triangle = False, weights_in_file = False):
         """
         Reads the input files, and stores the data in the HDFfile
         """
-        
                    
         # Read and write only on the master node
         if not (mpi.is_master_node()): return
@@ -121,10 +119,8 @@ class HkConverter:
                                        [0.0, 1.0/sqrt(2.0), 0.0, -1.0/sqrt(2.0), 0.0],
                                        [0.0, 1.0/sqrt(2.0), 0.0, 1.0/sqrt(2.0), 0.0]])
 
-    
             # Spin blocks to be read:
             n_spin_blocs = SP + 1 - SO   # number of spins to read for Norbs and Ham, NOT Projectors
-                 
         
             # define the number of n_orbitals for all k points: it is the number of total bands and independent of k!
             n_orb = sum([ shells[ish][3] for ish in range(n_shells) ])
@@ -133,7 +129,6 @@ class HkConverter:
             # Initialise the projectors:
             proj_mat = numpy.zeros([n_k,n_spin_blocs,n_corr_shells,max(numpy.array(corr_shells)[:,3]),max(n_orbitals)],numpy.complex_)
 
-
             # Read the projectors from the file:
             for ik in xrange(n_k):
                 for icrsh in range(n_corr_shells):
@@ -151,8 +146,6 @@ class HkConverter:
 
                         proj_mat[ik,isp,icrsh,0:no,offset:offset+no] = numpy.identity(no)
                     
-                      
-          
             # now define the arrays for weights and hopping ...
             bz_weights = numpy.ones([n_k],numpy.float_)/ float(n_k)  # w(k_index),  default normalisation 
             hopping = numpy.zeros([n_k,n_spin_blocs,max(n_orbitals),max(n_orbitals)],numpy.complex_)
@@ -208,13 +201,10 @@ class HkConverter:
             raise "HK Converter : reading file lda_file failed!"
 
         R.close()
-        
-        #-----------------------------------------
-        # Store the input into HDF5:
+
+        # Save to the HDF5:
         ar = HDFArchive(self.hdf_file,'a')
         if not (self.lda_subgrp in ar): ar.create_group(self.lda_subgrp) 
-        # The subgroup containing the data. If it does not exist, it is created.
-        # If it exists, the data is overwritten!!!
         things_to_save = ['energy_unit','n_k','k_dep_projection','SP','SO','charge_below','density_required',
                           'symm_op','n_shells','shells','n_corr_shells','corr_shells','use_rotations','rot_mat',
                           'rot_mat_time_inv','n_reps','dim_reps','T','n_orbitals','proj_mat','bz_weights','hopping']
diff --git a/python/converters/wien2k_converter.py b/python/converters/wien2k_converter.py
index 627192cd..47e65cc1 100644
--- a/python/converters/wien2k_converter.py
+++ b/python/converters/wien2k_converter.py
@@ -42,20 +42,25 @@ class Wien2kConverter:
     Conversion from Wien2k output to an hdf5 file that can be used as input for the SumkLDA class.
     """
 
-    def __init__(self, filename, lda_subgrp = 'SumK_LDA', symm_subgrp = 'SymmCorr', repacking = False):
+    def __init__(self, filename, lda_subgrp = 'lda_input', symmcorr_subgrp = 'lda_symmcorr_input', 
+                                 parproj_subgrp='lda_parproj_input', symmpar_subgrp='lda_symmpar_input', 
+                                 bands_subgrp = 'lda_bands_input', repacking = False):
         """
         Init of the class. Variable filename gives the root of all filenames, e.g. case.ctqmcout, case.h5, and so on. 
         """
 
-        assert type(filename)==StringType,"LDA_file must be a filename"
+        assert type(filename)==StringType, "Please provide the LDA files' base name as a string."
         self.hdf_file = filename+'.h5'
         self.lda_file = filename+'.ctqmcout'
-        self.symm_file = filename+'.symqmc'
+        self.symmcorr_file = filename+'.symqmc'
         self.parproj_file = filename+'.parproj'
         self.symmpar_file = filename+'.sympar'
         self.band_file = filename+'.outband'
         self.lda_subgrp = lda_subgrp
-        self.symm_subgrp = symm_subgrp
+        self.symmcorr_subgrp = symmcorr_subgrp
+        self.parproj_subgrp = parproj_subgrp
+        self.symmpar_subgrp = symmpar_subgrp
+        self.bands_subgrp = bands_subgrp
 
         # Checks if h5 file is there and repacks it if wanted:
         import os.path
@@ -69,7 +74,6 @@ class Wien2kConverter:
         Reads the input files, and stores the data in the HDFfile
         """
         
-                   
         # Read and write only on the master node
         if not (mpi.is_master_node()): return
         mpi.report("Reading input from %s..."%self.lda_file)
@@ -96,7 +100,7 @@ class Wien2kConverter:
             # now read the information about the shells:
             corr_shells = [ [ int(R.next()) for i in range(6) ] for icrsh in range(n_corr_shells) ]    # reads iatom, sort, l, dim, SO flag, irep
 
-            self.inequiv_shells(corr_shells)              # determine the number of inequivalent correlated shells, has to be known for further reading...
+            self.inequiv_shells(corr_shells)              # determine the number of inequivalent correlated shells, needed for further reading
 
             use_rotations = 1
             rot_mat = [numpy.identity(corr_shells[icrsh][3],numpy.complex_) for icrsh in xrange(n_corr_shells)]
@@ -115,8 +119,6 @@ class Wien2kConverter:
                 if (SP==1):             # read time inversion flag:
                     rot_mat_time_inv[icrsh] = int(R.next())
                     
-                  
-            
             # Read here the info for the transformation of the basis:
             n_reps = [1 for i in range(self.n_inequiv_corr_shells)]
             dim_reps = [0 for i in range(self.n_inequiv_corr_shells)]
@@ -138,23 +140,19 @@ class Wien2kConverter:
                 for i in xrange(lmax):
                     for j in xrange(lmax):
                         T[icrsh][i,j] += 1j * R.next()
-
     
             # Spin blocks to be read:
             n_spin_blocs = SP + 1 - SO   
                  
-        
             # read the list of n_orbitals for all k points
             n_orbitals = numpy.zeros([n_k,n_spin_blocs],numpy.int)
             for isp in range(n_spin_blocs):
                 for ik in xrange(n_k):
                     n_orbitals[ik,isp] = int(R.next())
             
-
             # Initialise the projectors:
             proj_mat = numpy.zeros([n_k,n_spin_blocs,n_corr_shells,max(numpy.array(corr_shells)[:,3]),max(n_orbitals)],numpy.complex_)
 
-
             # Read the projectors from the file:
             for ik in xrange(n_k):
                 for icrsh in range(n_corr_shells):
@@ -169,7 +167,6 @@ class Wien2kConverter:
                         for i in xrange(no):
                             for j in xrange(n_orbitals[ik][isp]):
                                 proj_mat[ik,isp,icrsh,i,j] += 1j * R.next()
-
           
             # now define the arrays for weights and hopping ...
             bz_weights = numpy.ones([n_k],numpy.float_)/ float(n_k)  # w(k_index),  default normalisation 
@@ -183,7 +180,7 @@ class Wien2kConverter:
             bz_weights[:] /= sm 
 
             # Grab the H
-            # we use now the convention of a DIAGONAL Hamiltonian!!!!
+            # we use now the convention of a DIAGONAL Hamiltonian -- convention for Wien2K.
             for isp in range(n_spin_blocs):
                 for ik in xrange(n_k) :
                     no = n_orbitals[ik,isp]
@@ -197,36 +194,29 @@ class Wien2kConverter:
             raise "Wien2k_converter : reading file lda_file failed!"
 
         R.close()
+        # Reading done!
         
-        #-----------------------------------------
-        # Store the input into HDF5:
+        # Save it to the HDF:
         ar = HDFArchive(self.hdf_file,'a')
         if not (self.lda_subgrp in ar): ar.create_group(self.lda_subgrp) 
-        # The subgroup containing the data. If it does not exist, it is created.
-        # If it exists, the data is overwritten!!!
+        # The subgroup containing the data. If it does not exist, it is created. If it exists, the data is overwritten!
         things_to_save = ['energy_unit','n_k','k_dep_projection','SP','SO','charge_below','density_required',
                           'symm_op','n_shells','shells','n_corr_shells','corr_shells','use_rotations','rot_mat',
                           'rot_mat_time_inv','n_reps','dim_reps','T','n_orbitals','proj_mat','bz_weights','hopping']
         for it in things_to_save: ar[self.lda_subgrp][it] = locals()[it]
         del ar
 
-
-        # Symmetries are used, 
-        # Now do the symmetries for correlated orbitals:
-        self.convert_symmetry_input(orbits=corr_shells,symm_file=self.symm_file,symm_subgrp=self.symm_subgrp,SO=SO,SP=SP)
+        # Symmetries are used, so now convert symmetry information for *correlated* orbitals:
+        self.convert_symmetry_input(orbits=corr_shells,symm_file=self.symmcorr_file,symm_subgrp=self.symmcorr_subgrp,SO=self.SO,SP=self.SP)
 
 
-    def convert_parproj_input(self, par_proj_subgrp='SumK_LDA_ParProj', symm_par_subgrp='SymmPar'):
+    def convert_parproj_input(self):
         """
-        Reads the input for the partial charges projectors from case.parproj, and stores it in the symm_par_subgrp
+        Reads the input for the partial charges projectors from case.parproj, and stores it in the symmpar_subgrp
         group in the HDF5.
         """
 
         if not (mpi.is_master_node()): return
-
-        self.par_proj_subgrp = par_proj_subgrp
-        self.symm_par_subgrp = symm_par_subgrp
-
         mpi.report("Reading parproj input from %s..."%self.parproj_file)
 
         dens_mat_below = [ [numpy.zeros([self.shells[ish][3],self.shells[ish][3]],numpy.complex_) for ish in range(self.n_shells)] 
@@ -247,8 +237,8 @@ class Wien2kConverter:
             # read first the projectors for this orbital:
             for ik in xrange(self.n_k):
                 for ir in range(n_parproj[ish]):
+
                     for isp in range(self.n_spin_blocs):
-                                    
                         for i in xrange(self.shells[ish][3]):    # read real part:
                             for j in xrange(self.n_orbitals[ik][isp]):
                                 proj_mat_pc[ik,isp,ish,ir,i,j] = R.next()
@@ -278,37 +268,31 @@ class Wien2kConverter:
                 for j in xrange(self.shells[ish][3]):
                     rot_mat_all[ish][i,j] += 1j * R.next()
                     
-            #print Dens_Mat_below[0][ish],Dens_Mat_below[1][ish]
-            
             if (self.SP):
                 rot_mat_all_time_inv[ish] = int(R.next())
 
         R.close()
+        # Reading done!
 
-        #-----------------------------------------
-        # Store the input into HDF5:
+        # Save it to the HDF:
         ar = HDFArchive(self.hdf_file,'a')
-        if not (self.par_proj_subgrp in ar): ar.create_group(self.par_proj_subgrp) 
-        # The subgroup containing the data. If it does not exist, it is created.
-        # If it exists, the data is overwritten!!!
+        if not (self.parproj_subgrp in ar): ar.create_group(self.parproj_subgrp) 
+        # The subgroup containing the data. If it does not exist, it is created. If it exists, the data is overwritten!
         things_to_save = ['dens_mat_below','n_parproj','proj_mat_pc','rot_mat_all','rot_mat_all_time_inv']
-        for it in things_to_save: ar[self.par_proj_subgrp][it] = locals()[it]
+        for it in things_to_save: ar[self.parproj_subgrp][it] = locals()[it]
         del ar
 
-        # Symmetries are used, 
-        # Now do the symmetries for all orbitals:
-        self.convert_symmetry_input(orbits=self.shells,symm_file=self.symmpar_file,symm_subgrp=self.symm_par_subgrp,SO=self.SO,SP=self.SP)
+        # Symmetries are used, so now convert symmetry information for *all* orbitals:
+        self.convert_symmetry_input(orbits=self.shells,symm_file=self.symmpar_file,symm_subgrp=self.symmpar_subgrp,SO=self.SO,SP=self.SP)
 
 
-    def convert_bands_input(self, bands_subgrp = 'SumK_LDA_Bands'):
+    def convert_bands_input(self):
         """
         Converts the input for momentum resolved spectral functions, and stores it in bands_subgrp in the
         HDF5.
         """
 
         if not (mpi.is_master_node()): return
-
-        self.bands_subgrp = bands_subgrp
         mpi.report("Reading bands input from %s..."%self.band_file)
 
         R = read_fortran_file(self.band_file)
@@ -375,15 +359,12 @@ class Wien2kConverter:
             raise "Wien2k_converter : reading file band_file failed!"
 
         R.close()
-        # reading done!
+        # Reading done!
 
-        #-----------------------------------------
-        # Store the input into HDF5:
+        # Save it to the HDF:
         ar = HDFArchive(self.hdf_file,'a')
         if not (self.bands_subgrp in ar): ar.create_group(self.bands_subgrp) 
-
-        # The subgroup containing the data. If it does not exist, it is created.
-        # If it exists, the data is overwritten!!!
+        # The subgroup containing the data. If it does not exist, it is created. If it exists, the data is overwritten!
         things_to_save = ['n_k','n_orbitals','proj_mat','hopping','n_parproj','proj_mat_pc']
         for it in things_to_save: ar[self.bands_subgrp][it] = locals()[it]
         del ar
@@ -396,7 +377,6 @@ class Wien2kConverter:
         """
 
         if not (mpi.is_master_node()): return
-
         mpi.report("Reading symmetry input from %s..."%symm_file)
 
         n_orbits = len(orbits)
@@ -443,6 +423,7 @@ class Wien2kConverter:
             raise "Wien2k_converter : reading file symm_file failed!"
         
         R.close()
+        # Reading done!
 
         # Save it to the HDF:
         ar=HDFArchive(self.hdf_file,'a')
@@ -461,14 +442,13 @@ class Wien2kConverter:
         import subprocess
 
         if not (mpi.is_master_node()): return
-
         mpi.report("Repacking the file %s"%self.hdf_file)
 
-        retcode = subprocess.call(["h5repack","-i%s"%self.hdf_file, "-otemphgfrt.h5"])
-        if (retcode!=0):
+        return_code = subprocess.call(["h5repack", "-i %s"%self.hdf_file, "-o temphgfrt.h5"])
+        if (return_code != 0):
             mpi.report("h5repack failed!")
         else:
-            subprocess.call(["mv","-f","temphgfrt.h5","%s"%self.hdf_file])
+            subprocess.call(["mv", "-f", "temphgfrt.h5", "%s"%self.hdf_file])
             
 
 
diff --git a/python/sumk_lda.py b/python/sumk_lda.py
index c8927847..865f9959 100644
--- a/python/sumk_lda.py
+++ b/python/sumk_lda.py
@@ -32,8 +32,8 @@ class SumkLDA:
     """This class provides a general SumK method for combining ab-initio code and pytriqs."""
 
 
-    def __init__(self, hdf_file, mu = 0.0, h_field = 0.0, use_lda_blocks = False, lda_data = 'SumK_LDA', symm_corr_data = 'SymmCorr',
-                 par_proj_data = 'SumK_LDA_ParProj', symm_par_data = 'SymmPar', bands_data = 'SumK_LDA_Bands'):
+    def __init__(self, hdf_file, mu = 0.0, h_field = 0.0, use_lda_blocks = False, lda_data = 'lda_input', symmcorr_data = 'lda_symmcorr_input',
+                 parproj_data = 'lda_parproj_input', symmpar_data = 'lda_symmpar_input', bands_data = 'lda_bands_input'):
         """
         Initialises the class from data previously stored into an HDF5
         """
@@ -43,10 +43,10 @@ class SumkLDA:
         else:
             self.hdf_file = hdf_file
             self.lda_data = lda_data
-            self.par_proj_data = par_proj_data
+            self.symmcorr_data = symmcorr_data
+            self.parproj_data = parproj_data
+            self.symmpar_data = symmpar_data
             self.bands_data = bands_data
-            self.symm_par_data = symm_par_data
-            self.symm_corr_data = symm_corr_data
             self.block_names = [ ['up','down'], ['ud'] ]
             self.n_spin_blocks_gf = [2,1]
             self.G_upfold = None
@@ -105,7 +105,7 @@ class SumkLDA:
 
             if self.symm_op:
                 #mpi.report("Do the init for symm:")
-                self.Symm_corr = Symmetry(hdf_file,subgroup=self.symm_corr_data)
+                self.Symm_corr = Symmetry(hdf_file,subgroup=self.symmcorr_data)
 
             # Analyse the block structure and determine the smallest blocs, if desired
             if (use_lda_blocks): dm=self.analyse_BS()
diff --git a/python/sumk_lda_tools.py b/python/sumk_lda_tools.py
index af01e53d..db3e444d 100644
--- a/python/sumk_lda_tools.py
+++ b/python/sumk_lda_tools.py
@@ -44,13 +44,13 @@ class SumkLDATools(SumkLDA):
     """Extends the SumkLDA class with some tools for analysing the data."""
 
 
-    def __init__(self, hdf_file, mu = 0.0, h_field = 0.0, use_lda_blocks = False, lda_data = 'SumK_LDA', symm_corr_data = 'SymmCorr',
-                 par_proj_data = 'SumK_LDA_ParProj', symm_par_data = 'SymmPar', bands_data = 'SumK_LDA_Bands'):
+    def __init__(self, hdf_file, mu = 0.0, h_field = 0.0, use_lda_blocks = False, lda_data = 'lda_input', symmcorr_data = 'lda_symmcorr_input',
+                 parproj_data = 'lda_parproj_input', symmpar_data = 'lda_symmpar_input', bands_data = 'lda_bands_input'):
 
         self.G_upfold_refreq = None
-        SumkLDA.__init__(self,hdf_file=hdf_file,mu=mu,h_field=h_field,use_lda_blocks=use_lda_blocks,lda_data=lda_data,
-                          symm_corr_data=symm_corr_data,par_proj_data=par_proj_data,symm_par_data=symm_par_data,
-                          bands_data=bands_data)
+        SumkLDA.__init__(self, hdf_file=hdf_file, mu=mu, h_field=h_field, use_lda_blocks=use_lda_blocks,
+                          lda_data=lda_data, symmcorr_data=symmcorr_data, parproj_data=parproj_data, 
+                          symmpar_data=symmpar_data, bands_data=bands_data)
 
 
     def downfold_pc(self,ik,ir,ish,sig,gf_to_downfold,gf_inp):
@@ -237,13 +237,13 @@ class SumkLDATools(SumkLDA):
 
 
 
-    def read_par_proj_input_from_hdf(self):
+    def read_parproj_input_from_hdf(self):
         """
         Reads the data for the partial projectors from the HDF file
         """
 
         things_to_read = ['dens_mat_below','n_parproj','proj_mat_pc','rot_mat_all','rot_mat_all_time_inv']
-        read_value = self.read_input_from_hdf(subgrp=self.par_proj_data,things_to_read = things_to_read)
+        read_value = self.read_input_from_hdf(subgrp=self.parproj_data,things_to_read = things_to_read)
         return read_value
 
 
@@ -254,10 +254,10 @@ class SumkLDATools(SumkLDA):
         assert hasattr(self,"Sigma_imp"), "Set Sigma First!!"
 
         #things_to_read = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
-        #read_value = self.read_input_from_HDF(SubGrp=self.par_proj_data, things_to_read=things_to_read)
-        read_value = self.read_par_proj_input_from_hdf()
+        #read_value = self.read_input_from_HDF(SubGrp=self.parproj_data, things_to_read=things_to_read)
+        read_value = self.read_parproj_input_from_hdf()
         if not read_value: return read_value
-        if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symm_par_data)
+        if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symmpar_data)
 
         mu = self.chemical_potential
 
@@ -515,10 +515,10 @@ class SumkLDATools(SumkLDA):
 
 
         #things_to_read = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
-        #read_value = self.read_input_from_HDF(SubGrp=self.par_proj_data,things_to_read=things_to_read)
-        read_value = self.read_par_proj_input_from_hdf()
+        #read_value = self.read_input_from_HDF(SubGrp=self.parproj_data,things_to_read=things_to_read)
+        read_value = self.read_parproj_input_from_hdf()
         if not read_value: return read_value
-        if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symm_par_data)
+        if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symmpar_data)
 
         # Density matrix in the window
         bln = self.block_names[self.SO]
diff --git a/python/update_archive.py b/python/update_archive.py
new file mode 100644
index 00000000..5d911893
--- /dev/null
+++ b/python/update_archive.py
@@ -0,0 +1,35 @@
+import h5py
+import sys
+import numpy
+import subprocess
+
+if len(sys.argv) < 2:
+  print "Usage: python update_archive.py old_archive"
+  sys.exit()
+
+print """
+This script is an attempt to update your archive to TRIQS 1.2.
+Please keep a copy of your old archive as this script is
+** not guaranteed ** to work for your archive.
+If you encounter any problem please report it on github!
+"""
+
+filename = sys.argv[1]
+A = h5py.File(filename)
+
+old_to_new = {'SumK_LDA':'lda_input', 'SumK_LDA_ParProj':'lda_parproj_input', 
+ 'SymmCorr':'lda_symmcorr_input', 'SymmPar':'lda_symmpar_input', 'SumK_LDA_Bands':'lda_bands_input'}
+
+for old, new in old_to_new.iteritems():
+    if old not in A.keys(): continue
+    print "Changing %s to %s ..."%(old, new)
+    A.copy(old,new)
+    del(A[old])
+A.close()
+
+# Repack to reclaim disk space
+retcode = subprocess.call(["h5repack","-i%s"%filename, "-otemphgfrt.h5"])
+if retcode != 0:
+    print "h5repack failed!"
+else:
+    subprocess.call(["mv","-f","temphgfrt.h5","%s"%filename])
diff --git a/test/SrVO3.h5 b/test/SrVO3.h5
index d82e165e..5228afbd 100644
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diff --git a/test/hk_convert.output.h5 b/test/hk_convert.output.h5
index dd2d3f0a..be58ea06 100644
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diff --git a/test/srvo3_Gloc.output.h5 b/test/srvo3_Gloc.output.h5
index 2a38db09..c33d0ab4 100644
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diff --git a/test/sumklda_basic.output.h5 b/test/sumklda_basic.output.h5
index 8db6c745..a2ef9a91 100644
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diff --git a/test/wien2k_convert.output.h5 b/test/wien2k_convert.output.h5
index 4388c528..57bcf2b0 100644
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