Make unique copy of config file

Adding a unique ID to the temporary files was not enough to allow
multiple jackknives to run at the same time. The config file must also
be unique.

adga.py

@@ -26,14 +26,17 @@ class Adga(object):
         self.n_processes = n_processes
         self.executable = adga_root_path + "/bin/abinitiodga"
         self.symmetrize_script = adga_root_path + "/scripts/symmetrize.py"
-        self.config_file_name = adga_config_file_name
 
         # Generate and a unique id for the names of the temporary files.
-        # This allows to run multiple Jackknives at once.
+        # Together with a unique copy of the config file, this allows to
+        # run multiple jackknives at once.
         self.unique_id = int(time.time() * 1e6)
         self.output_file_name = "adga{}.hdf5".format(self.unique_id)
         g4iw_file_name = "g4iw{}.hdf5".format(self.unique_id)
         self.symmetry_file_name = "g4iw{}_sym.hdf5".format(self.unique_id)
+        self.config_file_name = adga_config_file_name.split(".")[0] \
+            + str(self.unique_id) + ".conf"
+        copyfile(adga_config_file_name, self.config_file_name)
 
         self.g2_file = h5py.File(two_particle_greens_function_file_name, "r")
         copyfile(two_particle_greens_function_file_name, g4iw_file_name)
@@ -101,8 +104,9 @@ class Adga(object):
         return
 
     def _do_dga_calculation(self):
-        # Make sure, abinitiodga uses the correct 2-particle and output
-        # file
+        # Copy the config file, add the unique ID and set the correct
+        # 2-particle and output file. This allows to run multiple
+        # jackknives at the same time without interference.
         self._set_value_in_config_file("Two-Particle", "2PFile",
                                        self.symmetry_file_name)
         self._set_value_in_config_file("General", "Outfile",
@@ -120,7 +124,7 @@ class Adga(object):
         # config file
         file_name = self.config_file_name
         new_line = key + " = " + value + "\n"
-        
+
         lines = open(file_name).readlines()
         line_is_in_section = False
         for line in lines:
@@ -139,7 +143,7 @@ class Adga(object):
                 # Add the key-value pair at the end of the section
                 lines.insert(lines.index(line) - 1, new_line)
                 break
-            
+
         with open(file_name, "w") as config_file:
             for line in lines:
                 config_file.write(line)