Exemplo n.º 1
0
 def set_calculator(self, atoms, name):
     cls = get_calculator(self.calculator_name)
     parameters = str2dict(self.args.parameters)
     if getattr(cls, 'nolabel', False):
         atoms.calc = cls(**parameters)
     else:
         atoms.calc = cls(label=self.get_filename(name), **parameters)
Exemplo n.º 2
0
def dict2atoms(dct, attach_calculator=False):
    constraint_dicts = dct.get('constraints')
    if constraint_dicts:
        constraints = [dict2constraint(c) for c in constraint_dicts]
    else:
        constraints = None

    atoms = Atoms(dct['numbers'],
                  dct['positions'],
                  cell=dct['cell'],
                  pbc=dct['pbc'],
                  magmoms=dct.get('initial_magmoms'),
                  charges=dct.get('initial_charges'),
                  tags=dct.get('tags'),
                  masses=dct.get('masses'),
                  momenta=dct.get('momenta'),
                  constraint=constraints)

    if attach_calculator:
        atoms.calc = get_calculator(
            dct['calculator'])(**dct['calculator_parameters'])
    else:
        results = {}
        for prop in all_properties:
            if prop in dct:
                results[prop] = dct[prop]
        if results:
            atoms.calc = SinglePointCalculator(atoms, **results)

    return atoms
Exemplo n.º 3
0
def run(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(label=name + '_bandgap', xc='PBE',
                      # abinit, aims, elk - do not recognize the syntax below:
                      # https://trac.fysik.dtu.dk/projects/ase/ticket/98
                      # kpts={'size': kpts, 'gamma': True}, **par)
                      kpts=kpts, **par)
    si = bulk('Si', crystalstructure='diamond', a=5.43)
    si.calc = calc
    si.get_potential_energy()
    print(name, bandgap(si.calc))
    del si.calc
    # test spin-polarization
    calc = Calculator(label=name + '_bandgap_spinpol', xc='PBE',
                      # abinit, aims, elk - do not recognize the syntax below:
                      # https://trac.fysik.dtu.dk/projects/ase/ticket/98
                      # kpts={'size': kpts, 'gamma': True}, **par)
                      kpts=kpts, **par)
    si.set_initial_magnetic_moments([-0.1, 0.1])
    # this should not be necessary in the new ase interface standard ...
    if si.get_initial_magnetic_moments().any():  # spin-polarization
        if name == 'aims':
            calc.set(spin='collinear')
        if name == 'elk':
            calc.set(spinpol=True)
    si.set_calculator(calc)
    si.get_potential_energy()
    print(name, bandgap(si.calc))
Exemplo n.º 4
0
Arquivo: aep1.py Projeto: PHOTOX/fuase
def h2dft(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(label=name, xc='LDA', **par)
    h2 = molecule('H2', calculator=calc)
    h2.center(vacuum=2.0)
    e2 = h2.get_potential_energy()
    calc.set(xc='PBE')
    e2pbe = h2.get_potential_energy()
    h1 = h2.copy()
    del h1[1]
    h1.set_initial_magnetic_moments([1])
    h1.calc = calc
    e1pbe = h1.get_potential_energy()
    calc.set(xc='LDA')
    e1 = h1.get_potential_energy()
    try:
        m1 = h1.get_magnetic_moment()
    except NotImplementedError:
        pass
    else:
        print m1
    print(2 * e1 - e2)
    print(2 * e1pbe - e2pbe)
    print e1, e2, e1pbe, e2pbe
    calc = Calculator(name)
    print calc.parameters, calc.results, calc.atoms
    assert not calc.calculation_required(h1, ['energy'])
    h1 = calc.get_atoms()
    print h1.get_potential_energy()
    label = 'dir/' + name + '-h1'
    calc = Calculator(label=label, atoms=h1, xc='LDA', **par)
    print h1.get_potential_energy()
    print Calculator.read_atoms(label).get_potential_energy()
Exemplo n.º 5
0
Arquivo: core.py Projeto: askhl/ase
def dict2atoms(dct, attach_calculator=False):
    constraint_dicts = dct.get('constraints')
    if constraint_dicts:
        constraints = [dict2constraint(c) for c in constraint_dicts]
    else:
        constraints = None

    atoms = Atoms(dct['numbers'],
                  dct['positions'],
                  cell=dct['cell'],
                  pbc=dct['pbc'],
                  magmoms=dct.get('initial_magmoms'),
                  charges=dct.get('initial_charges'),
                  tags=dct.get('tags'),
                  masses=dct.get('masses'),
                  momenta=dct.get('momenta'),
                  constraint=constraints)

    if attach_calculator:
        atoms.calc = get_calculator(dct['calculator'])(
            **dct['calculator_parameters'])
    else:
        results = {}
        for prop in all_properties:
            if prop in dct:
                results[prop] = dct[prop]
        if results:
            atoms.calc = SinglePointCalculator(atoms, **results)

    return atoms
Exemplo n.º 6
0
Arquivo: core.py Projeto: grhawk/ASE
def dict2atoms(dct, attach_calculator=False):
    constraint_dicts = dct.get('constraints')
    if constraint_dicts:
        constraints = []
        for c in constraint_dicts:
            assert c.pop('__name__') == 'ase.constraints.FixAtoms'
            constraints.append(FixAtoms(**c))
    else:
        constraints = None

    atoms = Atoms(dct['numbers'],
                  dct['positions'],
                  cell=dct['cell'],
                  pbc=dct['pbc'],
                  magmoms=dct.get('magmoms'),
                  charges=dct.get('charges'),
                  tags=dct.get('tags'),
                  masses=dct.get('masses'),
                  momenta=dct.get('momenta'),
                  constraint=constraints)

    results = dct.get('results')
    if attach_calculator:
        atoms.calc = get_calculator(
            dct['calculator_name'])(**dct['calculator_parameters'])
    elif results:
        atoms.calc = SinglePointCalculator(atoms, **results)

    return atoms
Exemplo n.º 7
0
def h2dft(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(label=name, xc='LDA', **par)
    h2 = molecule('H2', calculator=calc)
    h2.center(vacuum=2.0)
    e2 = h2.get_potential_energy()
    calc.set(xc='PBE')
    e2pbe = h2.get_potential_energy()
    h1 = h2.copy()
    del h1[1]
    h1.set_initial_magnetic_moments([1])
    h1.calc = calc
    e1pbe = h1.get_potential_energy()
    calc.set(xc='LDA')
    e1 = h1.get_potential_energy()
    try:
        m1 = h1.get_magnetic_moment()
    except NotImplementedError:
        pass
    else:
        print(m1)

    print(2 * e1 - e2)
    print(2 * e1pbe - e2pbe)
    print(e1, e2, e1pbe, e2pbe)
    calc = Calculator(name)
    print(calc.parameters, calc.results, calc.atoms)
    assert not calc.calculation_required(h1, ['energy'])
    h1 = calc.get_atoms()
    print(h1.get_potential_energy())
    label = 'dir/' + name + '-h1'
    calc = Calculator(label=label, atoms=h1, xc='LDA', **par)
    print(h1.get_potential_energy())
    print(Calculator.read_atoms(label).get_potential_energy())
Exemplo n.º 8
0
def dict2atoms(dct, attach_calculator=False):
    constraint_dicts = dct.get("constraints")
    if constraint_dicts:
        constraints = [dict2constraint(c) for c in constraint_dicts]
    else:
        constraints = None

    atoms = Atoms(
        dct["numbers"],
        dct["positions"],
        cell=dct["cell"],
        pbc=dct["pbc"],
        magmoms=dct.get("initial_magmoms"),
        charges=dct.get("initial_charges"),
        tags=dct.get("tags"),
        masses=dct.get("masses"),
        momenta=dct.get("momenta"),
        constraint=constraints,
    )

    if attach_calculator:
        atoms.calc = get_calculator(dct["calculator"])(**dct["calculator_parameters"])
    else:
        results = {}
        for prop in all_properties:
            if prop in dct:
                results[prop] = dct[prop]
        if results:
            atoms.calc = SinglePointCalculator(atoms, **results)

    return atoms
Exemplo n.º 9
0
Arquivo: core.py Projeto: grhawk/ASE
def dict2atoms(dct, attach_calculator=False):
    constraint_dicts = dct.get('constraints')
    if constraint_dicts:
        constraints = []
        for c in constraint_dicts:
            assert c.pop('__name__') == 'ase.constraints.FixAtoms'
            constraints.append(FixAtoms(**c))
    else:
        constraints = None

    atoms = Atoms(dct['numbers'],
                  dct['positions'],
                  cell=dct['cell'],
                  pbc=dct['pbc'],
                  magmoms=dct.get('magmoms'),
                  charges=dct.get('charges'),
                  tags=dct.get('tags'),
                  masses=dct.get('masses'),
                  momenta=dct.get('momenta'),
                  constraint=constraints)

    results = dct.get('results')
    if attach_calculator:
        atoms.calc = get_calculator(dct['calculator_name'])(
            **dct['calculator_parameters'])
    elif results:
        atoms.calc = SinglePointCalculator(atoms, **results)

    return atoms
Exemplo n.º 10
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 def set_calculator(self, atoms, name):
     cls = get_calculator(self.calculator_name)
     parameters = str2dict(self.args.parameters)
     if getattr(cls, 'nolabel', False):
         atoms.calc = cls(**parameters)
     else:
         atoms.calc = cls(label=self.get_filename(name), **parameters)
Exemplo n.º 11
0
def run(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(
        label=name + '_bandgap',
        xc='PBE',
        # abinit, aims, elk - do not recognize the syntax below:
        # https://trac.fysik.dtu.dk/projects/ase/ticket/98
        # kpts={'size': kpts, 'gamma': True}, **par)
        kpts=kpts,
        **par)
    si = bulk('Si', crystalstructure='diamond', a=5.43)
    si.calc = calc
    si.get_potential_energy()
    print(name, bandgap(si.calc))
    del si.calc
    # test spin-polarization
    calc = Calculator(
        label=name + '_bandgap_spinpol',
        xc='PBE',
        # abinit, aims, elk - do not recognize the syntax below:
        # https://trac.fysik.dtu.dk/projects/ase/ticket/98
        # kpts={'size': kpts, 'gamma': True}, **par)
        kpts=kpts,
        **par)
    si.set_initial_magnetic_moments([-0.1, 0.1])
    # this should not be necessary in the new ase interface standard ...
    if si.get_initial_magnetic_moments().any():  # spin-polarization
        if name == 'aims':
            calc.set(spin='collinear')
        if name == 'elk':
            calc.set(spinpol=True)
    si.set_calculator(calc)
    si.get_potential_energy()
    print(name, bandgap(si.calc))
Exemplo n.º 12
0
Arquivo: mlab.py Projeto: PHOTOX/fuase
def main(args=None):
    parser = optparse.OptionParser(usage='%prog [options] filename',
                                   description=description)
    add = parser.add_option
    add('-n', '--band-index', type=int, metavar='INDEX',
        help='Band index counting from zero.')
    add('-s', '--spin-index', type=int, metavar='SPIN',
        help='Spin index: zero or one.')
    add('-c', '--contours', default='4',
        help='Use "-c 3" for 3 contours or "-c -0.5,0.5" for specific ' +
        'values.  Default is four contours.')
    add('-r', '--repeat', help='Example: "-r 2,2,2".')
    add('-C', '--calculator-name', metavar='NAME', help='Name of calculator.')
    
    opts, args = parser.parse_args(args)
    if len(args) != 1:
        parser.error('Incorrect number of arguments')
        
    arg = args[0]
    if arg.endswith('.cube'):
        data, atoms = read_cube_data(arg)
    else:
        calc = get_calculator(opts.calculator_name)(arg, txt=None)
        atoms = calc.get_atoms()
        if opts.band_index is None:
            data = calc.get_pseudo_density(opts.spin_index)
        else:
            data = calc.get_pseudo_wave_function(opts.band_index,
                                                 opts.spin_index or 0)
            if data.dtype == complex:
                data = abs(data)
                
    mn = data.min()
    mx = data.max()
    print('Min: %16.6f' % mn)
    print('Max: %16.6f' % mx)
    
    if opts.contours.isdigit():
        n = int(opts.contours)
        d = (mx - mn) / n
        contours = np.linspace(mn + d / 2, mx - d / 2, n).tolist()
    else:
        contours = [float(x) for x in opts.contours.split(',')]
        
    if len(contours) == 1:
        print('1 contour:', contours[0])
    else:
        print('%d contours: %.6f, ..., %.6f' %
              (len(contours), contours[0], contours[-1]))

    if opts.repeat:
        repeat = [int(r) for r in opts.repeat.split(',')]
        data = np.tile(data, repeat)
        atoms *= repeat
        
    plot(atoms, data, contours)
Exemplo n.º 13
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def h2(name, par):
    h2 = molecule('H2', pbc=par.pop('pbc', False))
    h2.center(vacuum=2.0)
    h2.calc = get_calculator(name)(**par)
    e = h2.get_potential_energy()
    f = h2.get_forces()
    assert not h2.calc.calculation_required(h2, ['energy', 'forces'])
    write('h2.traj', h2)
    h2 = read('h2.traj')
    assert abs(e - h2.get_potential_energy()) < 1e-12
    assert abs(f - h2.get_forces()).max() < 1e-12
Exemplo n.º 14
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def h2(name, par):
    h2 = molecule('H2', pbc=par.pop('pbc', False))
    h2.center(vacuum=2.0)
    h2.calc = get_calculator(name)(**par)
    e = h2.get_potential_energy()
    f = h2.get_forces()
    assert not h2.calc.calculation_required(h2, ['energy', 'forces'])
    write('h2.traj', h2)
    h2 = read('h2.traj')
    assert abs(e - h2.get_potential_energy()) < 1e-12
    assert abs(f - h2.get_forces()).max() < 1e-12
Exemplo n.º 15
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 def set_calculator(self, atoms, name):
     args = self.args
     cls = get_calculator(args.calculator)
     if self._calculator is None:
         namespace = {}
     else:
         namespace = self._calculator.namespace
     parameters = str2dict(args.parameters, namespace)
     if getattr(cls, 'nolabel', False):
         atoms.calc = cls(**parameters)
     else:
         atoms.calc = cls(label=self.get_filename(name), **parameters)
Exemplo n.º 16
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def disable_calculators(names):
    def __init__(self, *args, **kwargs):
        raise NotAvailable

    for name in names:
        if name in ['emt', 'lj', 'eam', 'morse']:
            continue
        try:
            cls = get_calculator(name)
        except ImportError:
            pass
        else:
            cls.__init__ = __init__
Exemplo n.º 17
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def disable_calculators(names):
    def __init__(self, *args, **kwargs):
        raise NotAvailable

    for name in names:
        if name in ['emt', 'lj', 'eam', 'morse']:
            continue
        try:
            cls = get_calculator(name)
        except ImportError:
            pass
        else:
            cls.__init__ = __init__
Exemplo n.º 18
0
Arquivo: al.py Projeto: grhawk/ASE
def run(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(label=name, xc='LDA', kpts=1.0, **par)
    al = bulk('AlO', crystalstructure='rocksalt', a=4.5)
    al.calc = calc
    e = al.get_potential_energy()
    calc.set(xc='PBE', kpts=(2, 2, 2))
    epbe = al.get_potential_energy()
    print(e, epbe)
    calc = Calculator(name)
    print calc.parameters, calc.results, calc.atoms
    assert not calc.calculation_required(al, ['energy'])
    al = calc.get_atoms()
    print al.get_potential_energy()
    label = 'dir/' + name + '-2'
    calc = Calculator(label=label, atoms=al, xc='LDA', kpts=1.0, **par)
    print al.get_potential_energy()
    print Calculator.read_atoms(label).get_potential_energy()
Exemplo n.º 19
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def disable_calculators(names):
    for name in names:
        if name in ['emt', 'lj', 'eam', 'morse', 'tip3p']:
            continue
        try:
            cls = get_calculator(name)
        except ImportError:
            pass
        else:
            def get_mock_init(name):
                def mock_init(obj, *args, **kwargs):
                    raise NotAvailable('use --calculators={0} to enable'
                                       .format(name))
                return mock_init

            def mock_del(obj):
                pass
            cls.__init__ = get_mock_init(name)
            cls.__del__ = mock_del
Exemplo n.º 20
0
Arquivo: al.py Projeto: jboes/ase
def run(name):
    Calculator = get_calculator(name)
    par = required.get(name, {})
    calc = Calculator(label=name, xc='LDA', kpts=1.0, **par)
    al = bulk('AlO', crystalstructure='rocksalt', a=4.5)
    al.calc = calc
    e = al.get_potential_energy()
    calc.set(xc='PBE', kpts=(2, 2, 2))
    epbe = al.get_potential_energy()
    print(e, epbe)
    calc = Calculator(name)
    print(calc.parameters, calc.results, calc.atoms)
    assert not calc.calculation_required(al, ['energy'])
    al = calc.get_atoms()
    print(al.get_potential_energy())
    label = 'dir/' + name + '-2'
    calc = Calculator(label=label, atoms=al, xc='LDA', kpts=1.0, **par)
    print(al.get_potential_energy())
    print(Calculator.read_atoms(label).get_potential_energy())
Exemplo n.º 21
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def disable_calculators(names):
    for name in names:
        if name in ['emt', 'lj', 'eam', 'morse', 'tip3p']:
            continue
        try:
            cls = get_calculator(name)
        except ImportError:
            pass
        else:
            def get_mock_init(name):
                def mock_init(obj, *args, **kwargs):
                    raise NotAvailable('use --calculators={0} to enable'
                                       .format(name))
                return mock_init

            def mock_del(obj):
                pass
            cls.__init__ = get_mock_init(name)
            cls.__del__ = mock_del
Exemplo n.º 22
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Arquivo: row.py Projeto: yfyh2013/ase
    def toatoms(self,
                attach_calculator=False,
                add_additional_information=False):
        """Create Atoms object."""
        atoms = Atoms(self.numbers,
                      self.positions,
                      cell=self.cell,
                      pbc=self.pbc,
                      magmoms=self.get('initial_magmoms'),
                      charges=self.get('initial_charges'),
                      tags=self.get('tags'),
                      masses=self.get('masses'),
                      momenta=self.get('momenta'),
                      constraint=self.constraints)

        if attach_calculator:
            params = self.get('calculator_parameters', {})
            atoms.calc = get_calculator(self.calculator)(**params)
        else:
            results = {}
            for prop in all_properties:
                if prop in self:
                    results[prop] = self[prop]
            if results:
                atoms.calc = SinglePointCalculator(atoms, **results)
                atoms.calc.name = self.calculator

        if add_additional_information:
            atoms.info = {}
            atoms.info['unique_id'] = self.unique_id
            if self._keys:
                atoms.info['key_value_pairs'] = self.key_value_pairs
            data = self.get('data')
            if data:
                atoms.info['data'] = data

        return atoms
Exemplo n.º 23
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    def toatoms(self, attach_calculator=False,
                add_additional_information=False):
        """Create Atoms object."""
        atoms = Atoms(self.numbers,
                      self.positions,
                      cell=self.cell,
                      pbc=self.pbc,
                      magmoms=self.get('initial_magmoms'),
                      charges=self.get('initial_charges'),
                      tags=self.get('tags'),
                      masses=self.get('masses'),
                      momenta=self.get('momenta'),
                      constraint=self.constraints)
    
        if attach_calculator:
            params = decode(self.get('calculator_parameters', '{}'))
            atoms.calc = get_calculator(self.calculator)(**params)
        else:
            results = {}
            for prop in all_properties:
                if prop in self:
                    results[prop] = self[prop]
            if results:
                atoms.calc = SinglePointCalculator(atoms, **results)
                atoms.calc.name = self.calculator

        if add_additional_information:
            atoms.info = {}
            atoms.info['unique_id'] = self.unique_id
            if self._keys:
                atoms.info['key_value_pairs'] = self.key_value_pairs
            data = self.get('data')
            if data:
                atoms.info['data'] = data
                    
        return atoms
Exemplo n.º 24
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def run(opts, args, verbosity):
    filename = args.pop(0)
    query = ','.join(args)

    if query.isdigit():
        query = int(query)

    add_key_value_pairs = {}
    if opts.add_key_value_pairs:
        for pair in opts.add_key_value_pairs.split(','):
            key, value = pair.split('=')
            add_key_value_pairs[key] = convert_str_to_int_float_or_str(value)

    if opts.delete_keys:
        delete_keys = opts.delete_keys.split(',')
    else:
        delete_keys = []

    con = connect(filename, use_lock_file=not opts.no_lock_file)

    def out(*args):
        if verbosity > 0:
            print(*args)

    if opts.analyse:
        con.analyse()
        return

    if opts.add_from_file:
        filename = opts.add_from_file
        if ':' in filename:
            calculator_name, filename = filename.split(':')
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        con.write(atoms, key_value_pairs=add_key_value_pairs)
        out('Added {0} from {1}'.format(atoms.get_chemical_formula(),
                                        filename))
        return

    if opts.count:
        n = con.count(query)
        print('%s' % plural(n, 'row'))
        return

    if opts.explain:
        for row in con.select(query, explain=True,
                              verbosity=verbosity,
                              limit=opts.limit, offset=opts.offset):
            print(row['explain'])
        return

    if opts.insert_into:
        nkvp = 0
        nrows = 0
        with connect(opts.insert_into,
                     use_lock_file=not opts.no_lock_file) as con2:
            for row in con.select(query):
                kvp = row.get('key_value_pairs', {})
                nkvp -= len(kvp)
                kvp.update(add_key_value_pairs)
                nkvp += len(kvp)
                if opts.unique:
                    row['unique_id'] = '%x' % randint(16**31, 16**32 - 1)
                con2.write(row, data=row.get('data'), **kvp)
                nrows += 1

        out('Added %s (%s updated)' %
            (plural(nkvp, 'key-value pair'),
             plural(len(add_key_value_pairs) * nrows - nkvp, 'pair')))
        out('Inserted %s' % plural(nrows, 'row'))
        return

    if add_key_value_pairs or delete_keys:
        ids = [row['id'] for row in con.select(query)]
        m, n = con.update(ids, delete_keys, **add_key_value_pairs)
        out('Added %s (%s updated)' %
            (plural(m, 'key-value pair'),
             plural(len(add_key_value_pairs) * len(ids) - m, 'pair')))
        out('Removed', plural(n, 'key-value pair'))

        return

    if opts.delete:
        ids = [row['id'] for row in con.select(query)]
        if ids and not opts.yes:
            msg = 'Delete %s? (yes/No): ' % plural(len(ids), 'row')
            if input(msg).lower() != 'yes':
                return
        con.delete(ids)
        out('Deleted %s' % plural(len(ids), 'row'))
        return

    if opts.plot_data:
        from ase.db.plot import dct2plot
        dct2plot(con.get(query).data, opts.plot_data)
        return

    if opts.plot:
        if ':' in opts.plot:
            tags, keys = opts.plot.split(':')
            tags = tags.split(',')
        else:
            tags = []
            keys = opts.plot
        keys = keys.split(',')
        plots = collections.defaultdict(list)
        X = {}
        labels = []
        for row in con.select(query, sort=opts.sort):
            name = ','.join(str(row[tag]) for tag in tags)
            x = row.get(keys[0])
            if x is not None:
                if isinstance(x, basestring):
                    if x not in X:
                        X[x] = len(X)
                        labels.append(x)
                    x = X[x]
                plots[name].append([x] + [row.get(key) for key in keys[1:]])
        import matplotlib.pyplot as plt
        for name, plot in plots.items():
            xyy = zip(*plot)
            x = xyy[0]
            for y, key in zip(xyy[1:], keys[1:]):
                plt.plot(x, y, label=name + ':' + key)
        if X:
            plt.xticks(range(len(labels)), labels, rotation=90)
        plt.legend()
        plt.show()
        return

    if opts.long:
        row = con.get(query)
        summary = Summary(row)
        summary.write()
    elif opts.json:
        row = con.get(query)
        con2 = connect(sys.stdout, 'json', use_lock_file=False)
        kvp = row.get('key_value_pairs', {})
        con2.write(row, data=row.get('data'), **kvp)
    else:
        if opts.open_web_browser:
            import ase.db.app as app
            app.db = con
            app.app.run(host='0.0.0.0', debug=True)
        else:
            columns = list(all_columns)
            c = opts.columns
            if c and c.startswith('++'):
                keys = set()
                for row in con.select(query,
                                      limit=opts.limit, offset=opts.offset):
                    keys.update(row._keys)
                columns.extend(keys)
                if c[2:3] == ',':
                    c = c[3:]
                else:
                    c = ''
            if c:
                if c[0] == '+':
                    c = c[1:]
                elif c[0] != '-':
                    columns = []
                for col in c.split(','):
                    if col[0] == '-':
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip('+'))

            table = Table(con, verbosity, opts.cut)
            table.select(query, columns, opts.sort, opts.limit, opts.offset)
            if opts.csv:
                table.write_csv()
            else:
                table.write(query)
Exemplo n.º 25
0
Arquivo: cli.py Projeto: PHOTOX/fuase
def run(opts, args, verbosity):
    filename = args.pop(0)
    query = ','.join(args)

    if query.isdigit():
        query = int(query)
    
    if opts.add_keywords:
        add_keywords = opts.add_keywords.split(',')
    else:
        add_keywords = []

    if opts.delete_keywords:
        delete_keywords = opts.delete_keywords.split(',')
    else:
        delete_keywords = []

    add_key_value_pairs = {}
    if opts.add_key_value_pairs:
        for pair in opts.add_key_value_pairs.split(','):
            key, value = pair.split('=')
            for type in [int, float]:
                try:
                    value = type(value)
                except ValueError:
                    pass
                else:
                    break
            add_key_value_pairs[key] = value

    if opts.delete_key_value_pairs:
        delete_key_value_pairs = opts.delete_key_value_pairs.split(',')
    else:
        delete_key_value_pairs = []

    con = connect(filename)
    
    def out(*args):
        if verbosity > 0:
            print(*args)
            
    if opts.add_from_file:
        filename = opts.add_from_file
        if ':' in filename:
            calculator_name, filename = filename.split(':')
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        con.write(atoms, add_keywords, key_value_pairs=add_key_value_pairs)
        out('Added {0} from {1}'.format(atoms.get_chemical_formula(),
                                        filename))
        return
        
    if opts.count:
        n = 0
        for dct in con.select(query):
            n += 1
        print('%s' % plural(n, 'row'))
        return

    if opts.explain:
        for dct in con.select(query, explain=True,
                              verbosity=verbosity, limit=opts.limit):
            print(dct['explain'])
        return

    if opts.insert_into:
        con2 = connect(opts.insert_into)
        nkw = 0
        nkvp = 0
        nrows = 0
        for dct in con.select(query):
            keywords = dct.get('keywords', [])
            for keyword in add_keywords:
                if keyword not in keywords:
                    keywords.append(keyword)
                    nkw += 1

            kvp = dct.get('key_value_pairs', {})
            nkvp = -len(kvp)
            kvp.update(add_key_value_pairs)
            nkvp += len(kvp)
            con2.write(dct, keywords, data=dct.get('data'), **kvp)
            nrows += 1
            
        out('Added %s and %s (%s updated)' %
            (plural(nkw, 'keyword'),
             plural(nkvp, 'key-value pair'),
             plural(len(add_key_value_pairs) * nrows - nkvp, 'pair')))
        out('Inserted %s' % plural(nrows, 'row'))
        return

    if add_keywords or add_key_value_pairs:
        ids = [dct['id'] for dct in con.select(query)]
        nkw, nkv = con.update(ids, add_keywords, **add_key_value_pairs)
        out('Added %s and %s (%s updated)' %
            (plural(nkw, 'keyword'),
             plural(nkv, 'key-value pair'),
             plural(len(add_key_value_pairs) * len(ids) - nkv, 'pair')))
        return

    if opts.delete:
        ids = [dct['id'] for dct in con.select(query)]
        if ids and not opts.yes:
            msg = 'Delete %s? (yes/No): ' % plural(len(ids), 'row')
            if raw_input(msg).lower() != 'yes':
                return
        con.delete(ids)
        out('Deleted %s' % plural(len(ids), 'row'))
        return

    if delete_keywords or delete_key_value_pairs:
        ids = [dct['id'] for dct in con.select(query)]
        nkw, nkv = con.delete_keywords_and_key_value_pairs(
            ids, delete_keywords, delete_key_value_pairs)
        print('Removed %s and %s' %
              (plural(nkw, 'keyword'),
               plural(nkv, 'key-value pair')))
        return

    if opts.python_expression:
        for dct in con.select(query):
            row = eval(opts.python_expression, dct)
            if not isinstance(row, (list, tuple, np.ndarray)):
                row = [row]
            print(', '.join(str(x) for x in row))
        return

    if opts.long:
        dct = con.get(query)
        summary = Summary(dct)
        summary.write()
    else:
        if opts.open_web_browser:
            import ase.db.app as app
            app.connection = con
            app.app.run(host='0.0.0.0', debug=True)
        else:
            columns = list(all_columns)
            c = opts.columns
            if c:
                if c[0] == '+':
                    c = c[1:]
                elif c[0] != '-':
                    columns = []
                for col in c.split(','):
                    if col[0] == '-':
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip('+'))
        
            table = Table(con, verbosity, opts.cut)
            table.select(query, columns, opts.sort, opts.limit)
            if opts.csv:
                table.write_csv()
            else:
                table.write()
Exemplo n.º 26
0
def run(opts, args, verbosity):
    filename = args.pop(0)
    query = ','.join(args)

    if query.isdigit():
        query = int(query)

    add_key_value_pairs = {}
    if opts.add_key_value_pairs:
        for pair in opts.add_key_value_pairs.split(','):
            key, value = pair.split('=')
            add_key_value_pairs[key] = convert_str_to_float_or_str(value)

    if opts.delete_keys:
        delete_keys = opts.delete_keys.split(',')
    else:
        delete_keys = []

    con = connect(filename, use_lock_file=not opts.no_lock_file)

    def out(*args):
        if verbosity > 0:
            print(*args)

    if opts.analyse:
        con.analyse()
        return

    if opts.add_from_file:
        filename = opts.add_from_file
        if ':' in filename:
            calculator_name, filename = filename.split(':')
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        con.write(atoms, key_value_pairs=add_key_value_pairs)
        out('Added {0} from {1}'.format(atoms.get_chemical_formula(),
                                        filename))
        return

    if opts.count:
        n = con.count(query)
        print('%s' % plural(n, 'row'))
        return

    if opts.explain:
        for dct in con.select(query,
                              explain=True,
                              verbosity=verbosity,
                              limit=opts.limit,
                              offset=opts.offset):
            print(dct['explain'])
        return

    if opts.insert_into:
        nkvp = 0
        nrows = 0
        with connect(opts.insert_into,
                     use_lock_file=not opts.no_lock_file) as con2:
            for dct in con.select(query):
                kvp = dct.get('key_value_pairs', {})
                nkvp -= len(kvp)
                kvp.update(add_key_value_pairs)
                nkvp += len(kvp)
                if opts.unique:
                    dct['unique_id'] = '%x' % randint(16**31, 16**32 - 1)
                con2.write(dct, data=dct.get('data'), **kvp)
                nrows += 1

        out('Added %s (%s updated)' %
            (plural(nkvp, 'key-value pair'),
             plural(len(add_key_value_pairs) * nrows - nkvp, 'pair')))
        out('Inserted %s' % plural(nrows, 'row'))
        return

    if add_key_value_pairs or delete_keys:
        ids = [dct['id'] for dct in con.select(query)]
        m, n = con.update(ids, delete_keys, **add_key_value_pairs)
        out('Added %s (%s updated)' %
            (plural(m, 'key-value pair'),
             plural(len(add_key_value_pairs) * len(ids) - m, 'pair')))
        out('Removed', plural(n, 'key-value pair'))

        return

    if opts.delete:
        ids = [dct['id'] for dct in con.select(query)]
        if ids and not opts.yes:
            msg = 'Delete %s? (yes/No): ' % plural(len(ids), 'row')
            if input(msg).lower() != 'yes':
                return
        con.delete(ids)
        out('Deleted %s' % plural(len(ids), 'row'))
        return

    if opts.plot_data:
        from ase.db.plot import dct2plot
        dct2plot(con.get(query).data, opts.plot_data)
        return

    if opts.plot:
        if ':' in opts.plot:
            tags, keys = opts.plot.split(':')
            tags = tags.split(',')
        else:
            tags = []
            keys = opts.plot
        keys = keys.split(',')
        plots = collections.defaultdict(list)
        X = {}
        labels = []
        for row in con.select(query, sort=opts.sort):
            name = ','.join(str(row[tag]) for tag in tags)
            x = row.get(keys[0])
            if x is not None:
                if isinstance(x, basestring):
                    if x not in X:
                        X[x] = len(X)
                        labels.append(x)
                    x = X[x]
                plots[name].append([x] + [row.get(key) for key in keys[1:]])
        import matplotlib.pyplot as plt
        for name, plot in plots.items():
            xyy = zip(*plot)
            x = xyy[0]
            for y, key in zip(xyy[1:], keys[1:]):
                plt.plot(x, y, label=name + ':' + key)
        if X:
            plt.xticks(range(len(labels)), labels, rotation=90)
        plt.legend()
        plt.show()
        return

    if opts.long:
        dct = con.get(query)
        summary = Summary(dct)
        summary.write()
    elif opts.json:
        dct = con.get(query)
        con2 = connect(sys.stdout, 'json', use_lock_file=False)
        kvp = dct.get('key_value_pairs', {})
        con2.write(dct, data=dct.get('data'), **kvp)
    else:
        if opts.open_web_browser:
            import ase.db.app as app
            app.db = con
            app.app.run(host='0.0.0.0', debug=True)
        else:
            columns = list(all_columns)
            c = opts.columns
            if c and c.startswith('++'):
                keys = set()
                for row in con.select(query,
                                      limit=opts.limit,
                                      offset=opts.offset):
                    keys.update(row._keys)
                columns.extend(keys)
                if c[2:3] == ',':
                    c = c[3:]
                else:
                    c = ''
            if c:
                if c[0] == '+':
                    c = c[1:]
                elif c[0] != '-':
                    columns = []
                for col in c.split(','):
                    if col[0] == '-':
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip('+'))

            table = Table(con, verbosity, opts.cut)
            table.select(query, columns, opts.sort, opts.limit, opts.offset)
            if opts.csv:
                table.write_csv()
            else:
                table.write(query)
Exemplo n.º 27
0
def run(opts, args, verbosity):
    filename = args.pop(0)
    query = ','.join(args)

    if query.isdigit():
        query = int(query)

    add_key_value_pairs = {}
    if opts.add_key_value_pairs:
        for pair in opts.add_key_value_pairs.split(','):
            key, value = pair.split('=')
            for type in [int, float]:
                try:
                    value = type(value)
                except ValueError:
                    pass
                else:
                    break
            add_key_value_pairs[key] = value

    if opts.delete_keys:
        delete_keys = opts.delete_keys.split(',')
    else:
        delete_keys = []

    con = connect(filename, use_lock_file=not opts.no_lock_file)

    def out(*args):
        if verbosity > 0:
            print(*args)

    if opts.add_from_file:
        filename = opts.add_from_file
        if ':' in filename:
            calculator_name, filename = filename.split(':')
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        con.write(atoms, key_value_pairs=add_key_value_pairs)
        out('Added {0} from {1}'.format(atoms.get_chemical_formula(),
                                        filename))
        return

    if opts.count:
        n = con.count(query)
        print('%s' % plural(n, 'row'))
        return

    if opts.explain:
        for dct in con.select(query,
                              explain=True,
                              verbosity=verbosity,
                              limit=opts.limit,
                              offset=opts.offset):
            print(dct['explain'])
        return

    if opts.insert_into:
        nkvp = 0
        nrows = 0
        with connect(opts.insert_into,
                     use_lock_file=not opts.no_lock_file) as con2:
            for dct in con.select(query):
                kvp = dct.get('key_value_pairs', {})
                nkvp = -len(kvp)
                kvp.update(add_key_value_pairs)
                nkvp += len(kvp)
                con2.write(dct, data=dct.get('data'), **kvp)
                nrows += 1

        out('Added %s (%s updated)' %
            (plural(nkvp, 'key-value pair'),
             plural(len(add_key_value_pairs) * nrows - nkvp, 'pair')))
        out('Inserted %s' % plural(nrows, 'row'))
        return

    if add_key_value_pairs or delete_keys:
        ids = [dct['id'] for dct in con.select(query)]
        m, n = con.update(ids, delete_keys, **add_key_value_pairs)
        out('Added %s (%s updated)' %
            (plural(m, 'key-value pair'),
             plural(len(add_key_value_pairs) * len(ids) - m, 'pair')))
        out('Removed', plural(n, 'key-value pair'))

        return

    if opts.delete:
        ids = [dct['id'] for dct in con.select(query)]
        if ids and not opts.yes:
            msg = 'Delete %s? (yes/No): ' % plural(len(ids), 'row')
            if raw_input(msg).lower() != 'yes':
                return
        con.delete(ids)
        out('Deleted %s' % plural(len(ids), 'row'))
        return

    if opts.python_expression:
        for dct in con.select(query):
            row = eval(opts.python_expression, dct)
            if not isinstance(row, (list, tuple, np.ndarray)):
                row = [row]
            print(', '.join(str(x) for x in row))
        return

    if opts.long:
        dct = con.get(query)
        summary = Summary(dct)
        summary.write()
    else:
        if opts.open_web_browser:
            import ase.db.app as app
            app.db = con
            app.app.run(host='0.0.0.0', debug=True)
        else:
            columns = list(all_columns)
            c = opts.columns
            if c:
                if c[0] == '+':
                    c = c[1:]
                elif c[0] != '-':
                    columns = []
                for col in c.split(','):
                    if col[0] == '-':
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip('+'))

            table = Table(con, verbosity, opts.cut)
            table.select(query, columns, opts.sort, opts.limit, opts.offset)
            if opts.csv:
                table.write_csv()
            else:
                table.write()
Exemplo n.º 28
0
"""
Test if we can find vasp2 using get_calculator()
"""

from ase.test.vasp import installed2 as installed
from ase.calculators.calculator import get_calculator

assert installed()

get_calculator('vasp2')
Exemplo n.º 29
0
Arquivo: cli.py Projeto: jboes/ase
def run(opts, args, verbosity):
    filename = args.pop(0)
    query = ",".join(args)

    if query.isdigit():
        query = int(query)

    add_key_value_pairs = {}
    if opts.add_key_value_pairs:
        for pair in opts.add_key_value_pairs.split(","):
            key, value = pair.split("=")
            add_key_value_pairs[key] = convert_str_to_float_or_str(value)

    if opts.delete_keys:
        delete_keys = opts.delete_keys.split(",")
    else:
        delete_keys = []

    con = connect(filename, use_lock_file=not opts.no_lock_file)

    def out(*args):
        if verbosity > 0:
            print(*args)

    if opts.analyse:
        con.analyse()
        return

    if opts.add_from_file:
        filename = opts.add_from_file
        if ":" in filename:
            calculator_name, filename = filename.split(":")
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        con.write(atoms, key_value_pairs=add_key_value_pairs)
        out("Added {0} from {1}".format(atoms.get_chemical_formula(), filename))
        return

    if opts.count:
        n = con.count(query)
        print("%s" % plural(n, "row"))
        return

    if opts.explain:
        for dct in con.select(query, explain=True, verbosity=verbosity, limit=opts.limit, offset=opts.offset):
            print(dct["explain"])
        return

    if opts.insert_into:
        nkvp = 0
        nrows = 0
        with connect(opts.insert_into, use_lock_file=not opts.no_lock_file) as con2:
            for dct in con.select(query):
                kvp = dct.get("key_value_pairs", {})
                nkvp -= len(kvp)
                kvp.update(add_key_value_pairs)
                nkvp += len(kvp)
                if opts.unique:
                    dct["unique_id"] = "%x" % randint(16 ** 31, 16 ** 32 - 1)
                con2.write(dct, data=dct.get("data"), **kvp)
                nrows += 1

        out(
            "Added %s (%s updated)"
            % (plural(nkvp, "key-value pair"), plural(len(add_key_value_pairs) * nrows - nkvp, "pair"))
        )
        out("Inserted %s" % plural(nrows, "row"))
        return

    if add_key_value_pairs or delete_keys:
        ids = [dct["id"] for dct in con.select(query)]
        m, n = con.update(ids, delete_keys, **add_key_value_pairs)
        out(
            "Added %s (%s updated)"
            % (plural(m, "key-value pair"), plural(len(add_key_value_pairs) * len(ids) - m, "pair"))
        )
        out("Removed", plural(n, "key-value pair"))

        return

    if opts.delete:
        ids = [dct["id"] for dct in con.select(query)]
        if ids and not opts.yes:
            msg = "Delete %s? (yes/No): " % plural(len(ids), "row")
            if input(msg).lower() != "yes":
                return
        con.delete(ids)
        out("Deleted %s" % plural(len(ids), "row"))
        return

    if opts.plot:
        if ":" in opts.plot:
            tags, keys = opts.plot.split(":")
            tags = tags.split(",")
        else:
            tags = []
            keys = opts.plot
        keys = keys.split(",")
        plots = collections.defaultdict(list)
        X = {}
        labels = []
        for row in con.select(query, sort=opts.sort):
            name = ",".join(row[tag] for tag in tags)
            x = row.get(keys[0])
            if x is not None:
                if isinstance(x, (unicode, str)):
                    if x not in X:
                        X[x] = len(X)
                        labels.append(x)
                    x = X[x]
                plots[name].append([x] + [row.get(key) for key in keys[1:]])
        import matplotlib.pyplot as plt

        for name, plot in plots.items():
            xyy = zip(*plot)
            x = xyy[0]
            for y, key in zip(xyy[1:], keys[1:]):
                plt.plot(x, y, label=name + key)
        if X:
            plt.xticks(range(len(labels)), labels, rotation=90)
        plt.legend()
        plt.show()
        return

    if opts.long:
        dct = con.get(query)
        summary = Summary(dct)
        summary.write()
    elif opts.json:
        dct = con.get(query)
        con2 = connect(sys.stdout, "json", use_lock_file=False)
        kvp = dct.get("key_value_pairs", {})
        con2.write(dct, data=dct.get("data"), **kvp)
    else:
        if opts.open_web_browser:
            import ase.db.app as app

            app.db = con
            app.app.run(host="0.0.0.0", debug=True)
        else:
            columns = list(all_columns)
            c = opts.columns
            if c and c.startswith("++"):
                keys = set()
                for row in con.select(query, limit=opts.limit, offset=opts.offset):
                    keys.update(row._keys)
                columns.extend(keys)
                if c[2:3] == ",":
                    c = c[3:]
                else:
                    c = ""
            if c:
                if c[0] == "+":
                    c = c[1:]
                elif c[0] != "-":
                    columns = []
                for col in c.split(","):
                    if col[0] == "-":
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip("+"))

            table = Table(con, verbosity, opts.cut)
            table.select(query, columns, opts.sort, opts.limit, opts.offset)
            if opts.csv:
                table.write_csv()
            else:
                table.write(query)
Exemplo n.º 30
0
def main(args):
    verbosity = 1 - args.quiet + args.verbose
    query = ','.join(args.query)

    if args.sort.endswith('-'):
        args.sort = '-' + args.sort[:-1]

    if query.isdigit():
        query = int(query)

    add_key_value_pairs = {}
    if args.add_key_value_pairs:
        for pair in args.add_key_value_pairs.split(','):
            key, value = pair.split('=')
            add_key_value_pairs[key] = convert_str_to_int_float_or_str(value)

    if args.delete_keys:
        delete_keys = args.delete_keys.split(',')
    else:
        delete_keys = []

    db = connect(args.database, use_lock_file=not args.no_lock_file)

    def out(*args):
        if verbosity > 0:
            print(*args)

    if args.analyse:
        db.analyse()
        return

    if args.add_from_file:
        filename = args.add_from_file
        if ':' in filename:
            calculator_name, filename = filename.split(':')
            atoms = get_calculator(calculator_name)(filename).get_atoms()
        else:
            atoms = ase.io.read(filename)
        db.write(atoms, key_value_pairs=add_key_value_pairs)
        out('Added {0} from {1}'.format(atoms.get_chemical_formula(),
                                        filename))
        return

    if args.count:
        n = db.count(query)
        print('%s' % plural(n, 'row'))
        return

    if args.explain:
        for row in db.select(query,
                             explain=True,
                             verbosity=verbosity,
                             limit=args.limit,
                             offset=args.offset):
            print(row['explain'])
        return

    if args.show_metadata:
        print(json.dumps(db.metadata, sort_keys=True, indent=4))
        return

    if args.set_metadata:
        with open(args.set_metadata) as fd:
            db.metadata = json.load(fd)
        return

    if args.insert_into:
        nkvp = 0
        nrows = 0
        with connect(args.insert_into,
                     use_lock_file=not args.no_lock_file) as db2:
            for row in db.select(query, sort=args.sort):
                kvp = row.get('key_value_pairs', {})
                nkvp -= len(kvp)
                kvp.update(add_key_value_pairs)
                nkvp += len(kvp)
                if args.unique:
                    row['unique_id'] = '%x' % randint(16**31, 16**32 - 1)
                db2.write(row, data=row.get('data'), **kvp)
                nrows += 1

        out('Added %s (%s updated)' %
            (plural(nkvp, 'key-value pair'),
             plural(len(add_key_value_pairs) * nrows - nkvp, 'pair')))
        out('Inserted %s' % plural(nrows, 'row'))
        return

    if add_key_value_pairs or delete_keys:
        ids = [row['id'] for row in db.select(query)]
        m, n = db.update(ids, delete_keys, **add_key_value_pairs)
        out('Added %s (%s updated)' %
            (plural(m, 'key-value pair'),
             plural(len(add_key_value_pairs) * len(ids) - m, 'pair')))
        out('Removed', plural(n, 'key-value pair'))

        return

    if args.delete:
        ids = [row['id'] for row in db.select(query)]
        if ids and not args.yes:
            msg = 'Delete %s? (yes/No): ' % plural(len(ids), 'row')
            if input(msg).lower() != 'yes':
                return
        db.delete(ids)
        out('Deleted %s' % plural(len(ids), 'row'))
        return

    if args.plot_data:
        from ase.db.plot import dct2plot
        dct2plot(db.get(query).data, args.plot_data)
        return

    if args.plot:
        if ':' in args.plot:
            tags, keys = args.plot.split(':')
            tags = tags.split(',')
        else:
            tags = []
            keys = args.plot
        keys = keys.split(',')
        plots = collections.defaultdict(list)
        X = {}
        labels = []
        for row in db.select(query, sort=args.sort, include_data=False):
            name = ','.join(str(row[tag]) for tag in tags)
            x = row.get(keys[0])
            if x is not None:
                if isinstance(x, basestring):
                    if x not in X:
                        X[x] = len(X)
                        labels.append(x)
                    x = X[x]
                plots[name].append([x] + [row.get(key) for key in keys[1:]])
        import matplotlib.pyplot as plt
        for name, plot in plots.items():
            xyy = zip(*plot)
            x = xyy[0]
            for y, key in zip(xyy[1:], keys[1:]):
                plt.plot(x, y, label=name + ':' + key)
        if X:
            plt.xticks(range(len(labels)), labels, rotation=90)
        plt.legend()
        plt.show()
        return

    if args.json:
        row = db.get(query)
        db2 = connect(sys.stdout, 'json', use_lock_file=False)
        kvp = row.get('key_value_pairs', {})
        db2.write(row, data=row.get('data'), **kvp)
        return

    db.python = args.metadata_from_python_script
    db.meta = process_metadata(db, html=args.open_web_browser)

    if args.long:
        # Remove .png files so that new ones will be created.
        for func, filenames in db.meta.get('functions', []):
            for filename in filenames:
                try:
                    os.remove(filename)
                except OSError:  # Python 3 only: FileNotFoundError
                    pass

        row = db.get(query)
        summary = Summary(row, db.meta)
        summary.write()
    else:
        if args.open_web_browser:
            import ase.db.app as app
            app.databases['default'] = db
            app.app.run(host='0.0.0.0', debug=True)
        else:
            columns = list(all_columns)
            c = args.columns
            if c and c.startswith('++'):
                keys = set()
                for row in db.select(query,
                                     limit=args.limit,
                                     offset=args.offset,
                                     include_data=False):
                    keys.update(row._keys)
                columns.extend(keys)
                if c[2:3] == ',':
                    c = c[3:]
                else:
                    c = ''
            if c:
                if c[0] == '+':
                    c = c[1:]
                elif c[0] != '-':
                    columns = []
                for col in c.split(','):
                    if col[0] == '-':
                        columns.remove(col[1:])
                    else:
                        columns.append(col.lstrip('+'))

            table = Table(db, verbosity, args.cut)
            table.select(query, columns, args.sort, args.limit, args.offset)
            if args.csv:
                table.write_csv()
            else:
                table.write(query)
Exemplo n.º 31
0
Arquivo: mlab.py Projeto: uu1477/MyAse
def main(args=None):
    parser = optparse.OptionParser(usage='%prog [options] filename',
                                   description=description)
    add = parser.add_option
    add('-n',
        '--band-index',
        type=int,
        metavar='INDEX',
        help='Band index counting from zero.')
    add('-s',
        '--spin-index',
        type=int,
        metavar='SPIN',
        help='Spin index: zero or one.')
    add('-c',
        '--contours',
        default='4',
        help='Use "-c 3" for 3 contours or "-c -0.5,0.5" for specific ' +
        'values.  Default is four contours.')
    add('-r', '--repeat', help='Example: "-r 2,2,2".')
    add('-C', '--calculator-name', metavar='NAME', help='Name of calculator.')

    opts, args = parser.parse_args(args)
    if len(args) != 1:
        parser.error('Incorrect number of arguments')

    arg = args[0]
    if arg.endswith('.cube'):
        data, atoms = read_cube_data(arg)
    else:
        calc = get_calculator(opts.calculator_name)(arg, txt=None)
        atoms = calc.get_atoms()
        if opts.band_index is None:
            data = calc.get_pseudo_density(opts.spin_index)
        else:
            data = calc.get_pseudo_wave_function(opts.band_index,
                                                 opts.spin_index or 0)
            if data.dtype == complex:
                data = abs(data)

    mn = data.min()
    mx = data.max()
    print('Min: %16.6f' % mn)
    print('Max: %16.6f' % mx)

    if opts.contours.isdigit():
        n = int(opts.contours)
        d = (mx - mn) / n
        contours = np.linspace(mn + d / 2, mx - d / 2, n).tolist()
    else:
        contours = [float(x) for x in opts.contours.split(',')]

    if len(contours) == 1:
        print('1 contour:', contours[0])
    else:
        print('%d contours: %.6f, ..., %.6f' %
              (len(contours), contours[0], contours[-1]))

    if opts.repeat:
        repeat = [int(r) for r in opts.repeat.split(',')]
        data = np.tile(data, repeat)
        atoms *= repeat

    plot(atoms, data, contours)