Beispiel #1
0
def run_aconvasp_command(command, structure):
    """
    Helper function for calling aconvasp with different arguments
    """
    from pymatgen.io.vaspio import Poscar
    poscar = Poscar(structure)
    p = subprocess.Popen(command, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
    output = p.communicate(input=poscar.get_string())
    return output
  structure = parser.get_structures()[0]
  structure_name = cif_file.split('.')[0]

  poscar_obj      = Poscar(structure=structure,comment=structure_name)
  poscar_string   = poscar_obj.to_string()
  poscar_filename = '{}/{}.poscar'.format(poscar_directory_name,structure_name)

  with open(poscar_filename,'w') as f:
    f.write(poscar_string)

#------------------------------------------------------------------------------
cif_filenames = GetFilenamesInDirectory(directoryName=cif_directory_name)
crystal_system_names = [cif_filename.split('.')[0] for cif_filename in cif_filenames]

EnsureDirectoryExists(directoryName=poscar_directory_name)
for cif_file in cif_filenames:
  cif_filename   = "{}/{}".format(cif_directory_name,cif_file)
  structure_name = cif_file.split('.')[0]

  # Parse .cif file into a pymatgen structure file
  parser    = CifParser(cif_filename)
  structure = parser.get_structures()[0]

  # Create the poscar object and write it to file
  poscar_obj      = Poscar(structure=structure,comment=structure_name)
  poscar_string   = poscar_obj.get_string()
  poscar_filename = '{}/{}.poscar'.format(poscar_directory_name,structure_name)
  with open(poscar_filename,'w') as f:
    f.write(poscar_string)