Add unique ID to temporary file names

This allows to run multiple Jackknives at the same time.

adga.py

@@ -3,6 +3,7 @@ from shutil import copyfile
 import numpy as np
 import subprocess
 import os
+import time
 
 
 # TODO: Exceptions
@@ -25,10 +26,13 @@ class Adga(object):
         self.executable = adga_root_path + "/bin/abinitiodga"
         self.symmetrize_script = adga_root_path + "/scripts/symmetrize.py"
         self.config_file_name = adga_config_file_name
-        self.output_file_name = "adga.hdf5"
+        # Generate and a unique id for the names of the temporary files.
+        # This allows to run multiple Jackknives at once.
+        self.unique_id = int(time.time_ns() * 1e3)
+        self.output_file_name = "adga{}.hdf5".format(self.unique_id)
 
         self.g2_file = h5py.File(two_particle_greens_function_file_name, "r")
-        g4iw_file_name = "g4iw.hdf5"
+        g4iw_file_name = "g4iw{}.hdf5".format(self.unique_id)
         copyfile(two_particle_greens_function_file_name, g4iw_file_name)
         self.g4iw_file = h5py.File(g4iw_file_name, "r+")
 
@@ -71,13 +75,14 @@ class Adga(object):
 
         # TODO: Make a subroutine for symmetrizing g2
         # g4iw_sym.hdf5 must not exist when calling symmetrize.py
-        symmetry_file = "g4iw_sym.hdf5"
+        symmetry_file = "g4iw{}_sym.hdf5".format(self.unique_id)
         if os.path.exists(symmetry_file):
             os.remove(symmetry_file)
 
         # Symmetrize the 2-particle Green's function
-        print(self.symmetrize_script + " worm-001")
-        subprocess.call([self.symmetrize_script, "worm-001"])
+        print(self.symmetrize_script + " worm-001 " + self.g4iw_file.filename)
+        subprocess.call([self.symmetrize_script, "worm-001",
+                         self.g4iw_file.filename])
 
         # TODO: Make a subroutine for the whole DGA calculation
         # TODO: Values should be added if not existent
@@ -93,9 +98,9 @@ class Adga(object):
                          self.config_file_name])
 
         # TODO: Make a subroutine for getting the self-energy
-        adga_file = h5py.File(self.output_file_name, "r")
-        self_energy = np.array(adga_file["selfenergy/nonloc/dga"][...])
-        adga_file.close()
+        output_file = h5py.File(self.output_file_name, "r")
+        self_energy = np.array(output_file["selfenergy/nonloc/dga"][...])
+        output_file.close()
         return self_energy[0, 0, :, :, 0, :]
 
     def _replace_value_in_config_file(self, key, value):