/usr/share/pyshared/cclib/parser/data.py is in python-cclib 1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# and interpreting the results of computational chemistry packages.
#
# Copyright (C) 2007, the cclib development team
#
# The library is free software, distributed under the terms of
# the GNU Lesser General Public version 2.1 or later. You should have
# received a copy of the license along with cclib. You can also access
# the full license online at http://www.gnu.org/copyleft/lgpl.html.
__revision__ = "$Revision: 992 $"
import numpy
class ccData(object):
"""Class for objects containing data from cclib parsers and methods.
Description of cclib attributes:
aonames -- atomic orbital names (list)
aooverlaps -- atomic orbital overlap matrix (array[2])
atombasis -- indices of atomic orbitals on each atom (list of lists)
atomcharges -- atomic partial charges (dict of arrays[1])
atomcoords -- atom coordinates (array[3], angstroms)
atommasses -- atom masses (array[1], daltons)
atomnos -- atomic numbers (array[1])
atomspins -- atomic spin densities (dict of arrays[1])
charge -- net charge of the system (integer)
ccenergies -- molecular energies with Coupled-Cluster corrections (array[2], eV)
coreelectrons -- number of core electrons in atom pseudopotentials (array[1])
etenergies -- energies of electronic transitions (array[1], 1/cm)
etoscs -- oscillator strengths of electronic transitions (array[1])
etrotats -- rotatory strengths of electronic transitions (array[1], ??)
etsecs -- singly-excited configurations for electronic transitions (list of lists)
etsyms -- symmetries of electronic transitions (list)
fonames -- fragment orbital names (list)
fooverlaps -- fragment orbital overlap matrix (array[2])
fragnames -- names of fragments (list)
frags -- indices of atoms in a fragment (list of lists)
gbasis -- coefficients and exponents of Gaussian basis functions (PyQuante format)
geotargets -- targets for convergence of geometry optimization (array[1])
geovalues -- current values for convergence of geometry optmization (array[1])
grads -- current values of forces (gradients) in geometry optimization (array[3])
hessian -- elements of the force constant matrix (array[1])
homos -- molecular orbital indices of HOMO(s) (array[1])
mocoeffs -- molecular orbital coefficients (list of arrays[2])
moenergies -- molecular orbital energies (list of arrays[1], eV)
mosyms -- orbital symmetries (list of lists)
mpenergies -- molecular electronic energies with Moller-Plesset corrections (array[2], eV)
mult -- multiplicity of the system (integer)
natom -- number of atoms (integer)
nbasis -- number of basis functions (integer)
nmo -- number of molecular orbitals (integer)
nocoeffs -- natural orbital coefficients (array[2])
scfenergies -- molecular electronic energies after SCF (Hartree-Fock, DFT) (array[1], eV)
scftargets -- targets for convergence of the SCF (array[2])
scfvalues -- current values for convergence of the SCF (list of arrays[2])
vibanharms -- vibrational anharmonicity constants (array[2], 1/cm)
vibdisps -- cartesian displacement vectors (array[3], delta angstrom)
vibfreqs -- vibrational frequencies (array[1], 1/cm)
vibirs -- IR intensities (array[1], km/mol)
vibramans -- Raman intensities (array[1], A^4/Da)
vibsyms -- symmetries of vibrations (list)
scannames -- Names of varaibles scanned (list)
scanenergies -- energies of potential energy surface (list)
scanparm -- values of parameters in potential energy surface (list of tuples)
scancoords -- Geometries of each scan step (array[3], angstroms)
enthaply -- Sum of electronic and thermal Enthalpie (float hartree/particle)
freeenergy -- Sum of electronic and thermal Free Energies (float hartree/particle)
temperature -- Tempature used for Thermochemistry (float kelvin)
entropy -- Entropy (float hartree/particle)
optdone -- Stores if an optimisation job has completed (boolean)
(1) The term 'array' refers to a numpy array
(2) The number of dimensions of an array is given in square brackets
(3) Python indexes arrays/lists starting at zero, so if homos==[10], then
the 11th molecular orbital is the HOMO
"""
def __init__(self, attributes=None):
"""Initialize the cclibData object.
Normally called in the parse() method of a Logfile subclass.
Inputs:
attributes - dictionary of attributes to load
"""
# The expected types for all supported attributes in dectionary,
# and their names which can be extracted as the keys.
self._attrtypes = { "aonames": list,
"aooverlaps": numpy.ndarray,
"atombasis": list,
"atomcharges": dict,
"atomcoords": numpy.ndarray,
"atommasses": numpy.ndarray,
"atomnos": numpy.ndarray,
"atomspins": dict,
"ccenergies": numpy.ndarray,
"charge": int,
"coreelectrons": numpy.ndarray,
"etenergies": numpy.ndarray,
"etoscs": numpy.ndarray,
"etrotats": numpy.ndarray,
"etsecs": list,
"etsyms": list,
"fonames": list,
"fooverlaps": numpy.ndarray,
"fragnames": list,
"frags": list,
'gbasis': list,
"geotargets": numpy.ndarray,
"geovalues": numpy.ndarray,
"grads": numpy.ndarray,
"hessian": numpy.ndarray,
"homos": numpy.ndarray,
"mocoeffs": list,
"moenergies": list,
"mosyms": list,
"mpenergies": numpy.ndarray,
"mult": int,
"natom": int,
"nbasis": int,
"nmo": int,
"nocoeffs": numpy.ndarray,
"scfenergies": numpy.ndarray,
"scftargets": numpy.ndarray,
"scfvalues": list,
"vibanharms": numpy.ndarray,
"vibdisps": numpy.ndarray,
"vibfreqs": numpy.ndarray,
"vibirs": numpy.ndarray,
"vibramans": numpy.ndarray,
"vibsyms": list,
"scannames": list,
"scanenergies": list,
"scanparm": list,
"scancoords": numpy.ndarray,
"enthaply": float,
"freeenergy": float,
"temperature": float,
"entropy": float,
"optdone": bool
}
# Names of all supported attributes.
self._attrlist = self._attrtypes.keys()
# Names of all supported attributes.
self._attrlist = ['aonames', 'aooverlaps', 'atombasis',
'atomcharges', 'atomcoords', 'atommasses', 'atomnos', 'atomspins',
'ccenergies', 'charge', 'coreelectrons',
'etenergies', 'etoscs', 'etrotats', 'etsecs', 'etsyms',
'fonames', 'fooverlaps', 'fragnames', 'frags',
'gbasis', 'geotargets', 'geovalues', 'grads',
'hessian', 'homos',
'mocoeffs', 'moenergies', 'mosyms', 'mpenergies', 'mult',
'natom', 'nbasis', 'nmo', 'nocoeffs',
'scfenergies', 'scftargets', 'scfvalues',
'vibanharms', 'vibdisps', 'vibfreqs', 'vibirs',
'vibramans', 'vibsyms', 'scannames', 'scanenergies', 'scanparm',
'scancoords', 'enthaply', 'freeenergy', 'temperature', 'entropy',
'optdone']
# Arrays are double precision by default, but these will be integer arrays.
self._intarrays = ['atomnos', 'coreelectrons', 'homos']
# Attributes that should be lists of arrays (double precision).
self._listsofarrays = ['mocoeffs', 'moenergies', 'scfvalues']
# Attributes that should be dictionaries of arrays (double precision).
self._dictsofarrays = ["atomcharges", "atomspins"]
if attributes:
self.setattributes(attributes)
def listify(self):
"""Converts all attributes that are arrays or lists/dicts of arrays to lists."""
attrlist = [k for k in self._attrlist if hasattr(self, k)]
for k in attrlist:
v = self._attrtypes[k]
if v == numpy.ndarray:
setattr(self, k, getattr(self, k).tolist())
elif v == list and k in self._listsofarrays:
setattr(self, k, [x.tolist() for x in getattr(self, k)])
elif v == dict and k in self._dictsofarrays:
items = getattr(self, k).iteritems()
pairs = [(key, val.tolist()) for key, val in items]
setattr(self, k, dict(pairs))
def arrayify(self):
"""Converts appropriate attributes to arrays or lists/dicts of arrays."""
attrlist = [k for k in self._attrlist if hasattr(self, k)]
for k in attrlist:
v = self._attrtypes[k]
precision = 'd'
if k in self._intarrays:
precision = 'i'
if v == numpy.ndarray:
setattr(self, k, numpy.array(getattr(self, k), precision))
elif v == list and k in self._listsofarrays:
setattr(self, k, [numpy.array(x, precision) for x in getattr(self, k)])
elif v == dict and k in self._dictsofarrays:
items = getattr(self, k).iteritems()
pairs = [(key, numpy.array(val, precision)) for key, val in items]
setattr(self, k, dict(pairs))
def getattributes(self, tolists=False):
"""Returns a dictionary of existing data attributes.
Inputs:
tolists - flag to convert attributes to lists where applicable
"""
if tolists:
self.listify()
attributes = {}
for attr in self._attrlist:
if hasattr(self, attr):
attributes[attr] = getattr(self, attr)
if tolists:
self.arrayify()
return attributes
def setattributes(self, attributes):
"""Sets data attributes given in a dictionary.
Inputs:
attributes - dictionary of attributes to set
Outputs:
invalid - list of attributes names that were not set, which
means they are not specified in self._attrlist
"""
if type(attributes) is not dict:
raise TypeError, "attributes must be in a dictionary"
valid = [a for a in attributes if a in self._attrlist]
invalid = [a for a in attributes if a not in self._attrlist]
for attr in valid:
setattr(self, attr, attributes[attr])
self.arrayify()
return invalid
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