Source code for sisl.io.molden

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
# Import sile objects
from __future__ import annotations

from sisl import Geometry
from sisl._internal import set_module
from sisl.messages import deprecate_argument

from .sile import *

__all__ = ["moldenSile"]


@set_module("sisl.io")
class moldenSile(Sile):
    """Molden file object"""

[docs] @sile_fh_open() @deprecate_argument("sc", "lattice", "use lattice= instead of sc=", "0.15", "0.16") def write_lattice(self, lattice): """Writes the supercell to the contained file""" # Check that we can write to the file sile_raise_write(self) # Write the number of atoms in the geometry self._write("[Molden Format]\n")
# Sadly, MOLDEN does not read this information...
[docs] @sile_fh_open() def write_geometry(self, geometry, fmt=".8f"): """Writes the geometry to the contained file""" # Check that we can write to the file sile_raise_write(self) # Be sure to write the supercell self.write_lattice(geometry.lattice) # Write in ATOM mode self._write("[Atoms] Angs\n") # Write out the cell information in the comment field # This contains the cell vectors in a single vector (3 + 3 + 3) # quantities, plus the number of supercells (3 ints) fmt_str = ( "{{0:2s}} {{1:4d}} {{2:4d}} {{3:{0}}} {{4:{0}}} {{5:{0}}}\n".format(fmt) ) for ia, a, _ in geometry.iter_species(): self._write(fmt_str.format(a.symbol, ia, a.Z, *geometry.xyz[ia, :]))
def ArgumentParser(self, p=None, *args, **kwargs): """Returns the arguments that is available for this Sile""" newkw = Geometry._ArgumentParser_args_single() newkw.update(kwargs) return self.read_geometry().ArgumentParser(p, *args, **newkw) add_sile("molf", moldenSile, case=False, gzip=True)