Example #1
0
def check_generated(calc_root, machine_dct, params_lst, revision):
    """Check consistency of calc database values, replacement params in
    `params_lst` and all written files.
    """
    dbfn = pj(calc_root, 'calc.db')
    db = sql.SQLiteDB(dbfn, table='calc')
    print("database content:")
    print(db.get_dict("select * from calc"))
    db_colnames = [x[0] for x in db.get_header()]
    for idx, hostname_str in db.execute(
            "select idx,hostname from calc \
                                        where revision==?",
        (revision, )).fetchall():
        for hostname in hostname_str.split(','):
            machine = machine_dct[hostname]
            calc_dir = pj(calc_root, 'calc_%s' % machine.hostname, str(idx))
            for base in ['pw.in', machine.get_jobfile_basename()]:
                fn = pj(calc_dir, base)
                assert os.path.exists(fn)
                lines = common.file_readlines(fn)
                # assemble all possible replacements in one list of SQLEntry
                # instances, some things are redundantely checked twice ...
                sql_lst = params_lst[idx] + list(
                    machine.get_sql_record().values())
                for db_key in db_colnames:
                    db_val = db.get_single(
                        "select %s from calc "
                        "where idx==?" % db_key, (idx, ))
                    if db_val is not None:
                        sql_lst.append(sql.SQLEntry(key=db_key, sqlval=db_val))
                # for each replacement key, check if they are correctly placed
                # in the database (if applicable) and in the written files
                for sqlentry in sql_lst:
                    if sqlentry.key in db_colnames:
                        db_val = db.get_single("select %s from calc "
                                               "where idx==?" \
                                               %sqlentry.key, (idx,))
                        assert_all_types_equal(db_val, sqlentry.sqlval)
                    else:
                        db_val = 'NOT_DEFINED_IN_DB'
                    print("check_generated: idx={0}, sqlentry.key={1}, "
                          "sqlentry.sqlval={2}, db_val={3}".format(
                              idx, sqlentry.key, sqlentry.sqlval, db_val))
                    check_key_in_file(lines, sqlentry.key, sqlentry.sqlval)
    db.finish()
Example #2
0
def check_generated(calc_root, machine_dct, params_lst, revision):
    """Check consistency of calc database values, replacement params in
    `params_lst` and all written files.
    """
    db = sql.SQLiteDB(pj(calc_root, 'calc.db'), table='calc')
    db_colnames = [x[0] for x in db.get_header()]
    for idx,hostname_str in db.execute("select idx,hostname from calc \
                                        where revision==?", (revision,)).fetchall():
        for hostname in hostname_str.split(','):
            machine = machine_dct[hostname]
            calc_dir = pj(calc_root, 'calc_%s' %machine.hostname, str(idx))
            for base in ['pw.in', machine.get_jobfile_basename()]:
                fn = pj(calc_dir, base)
                assert os.path.exists(fn)
                lines = common.file_readlines(fn)
                # assemble all possible replacements in one list of SQLEntry
                # instances, some things are redundantely checked twice ...
                sql_lst = params_lst[idx] + machine.get_sql_record().values()
                for db_key in db_colnames:
                    db_val = db.get_single("select %s from calc "
                                           "where idx==?" %db_key,
                                           (idx,))
                    if db_val is not None:                                           
                        sql_lst.append(sql.SQLEntry(key=db_key, sqlval=db_val))
                # for each replacement key, check if they are correctly placed
                # in the database (if applicable) and in the written files
                for sqlentry in sql_lst:
                    if sqlentry.key in db_colnames:
                        db_val = db.get_single("select %s from calc "
                                               "where idx==?" \
                                               %sqlentry.key, (idx,))
                        assert_all_types_equal(db_val, sqlentry.sqlval)
                    else:
                        db_val = 'NOT_DEFINED_IN_DB'
                    print("check_generated: idx={0}, sqlentry.key={1}, "
                          "sqlentry.sqlval={2}, db_val={3}".format(idx, sqlentry.key, 
                                                                 sqlentry.sqlval,
                                                                 db_val))
                    check_key_in_file(lines, sqlentry.key, sqlentry.sqlval)
    db.finish()
Example #3
0
def read_matdyn_freq(filename):
    """Parse frequency file produced by QE's matdyn.x ("flfrq" in matdyn.x
    input, usually "matdyn.freq" or so) when calculating a phonon dispersion on
    a grid (ldisp=.true., used for phonon dos) or a pre-defined k-path in the
    BZ.

    In QE 5.x, a file with suffix ".gp" (e.g. "matdyn.freq.gp") is now written,
    where::
    >>> import numpy as np
    >>> from pwtools import kpath, pwscf
    >>> d = np.loadtxt("matdyn.freq.gp")
    >>> kpoints,freqs = pwscf.read_matdyn_freq("matdyn.freq")
    >>> allclose(d[:,0], kpath.get_path_norm(kpoints))
    >>> allclose(d[:,1:], freqs)
    
    Parameters
    ----------
    filename : file with k-points and phonon frequencies
    
    Returns
    -------
    kpoints : array (nks, 3)
        Array with `nks` k-points. AFAIK the unit is always ``2*pi/alat`` with
        ``alat = celldm(1)``.
    freqs : array (nks, nbnd)
        Array with `nbnd` energies/frequencies at each of the `nks` k-points.
        For phonon DOS, nbnd == 3*natoms.
    
    Notes
    -----
    `matdyn.in`::

        &input
            asr='simple',  
            amass(1)=26.981538,
            amass(2)=14.00674,
            flfrc='fc',
            flfrq='matdyn.freq.disp'
        /
        101                                | nks
        0.000000    0.000000    0.000000   |
        0.037500    0.037500    0.000000   | List of nks = 101 k-points
        ....                               |

    `filename` has the form::

        <header>
        <k-point, (3,)>
        <frequencies,(nbnd,)
        <k-point, (3,)>
        <frequencies,(nbnd,)
        ...
    
    for example::

        &plot nbnd=   6, nks= 101 /
                  0.000000  0.000000  0.000000
          0.0000    0.0000    0.0000  456.2385  456.2385  871.5931
                  0.037500  0.037500  0.000000
         23.8811   37.3033   54.3776  455.7569  457.2338  869.8832
         .....

    See Also
    --------
    bin/plot_dispersion.py, :func:`pwtools.kpath.plot_dis`,
    :func:`pwtools.kpath.get_path_norm`
    """
    lines = file_readlines(filename)
    # Read number of bands (nbnd) and k-points (nks). OK, Fortran's namelists
    # win here :)
    # nbnd: number of bands = number of frequencies per k-point = 3*natoms for
    #   phonons
    # nks: number of k-points
    pat = r'.*\s+nbnd\s*=\s*([0-9]+)\s*,\s*nks\s*=\s*([0-9]+)\s*/'
    match = re.match(pat, lines[0])
    assert (match is not None), "match is None"
    nbnd = int(match.group(1))
    nks = int(match.group(2))
    kpoints = np.empty((nks, 3), dtype=float)
    freqs = np.empty((nks, nbnd), dtype=float)
    step = 3 + nbnd
    # nasty trick: join all lines containing data into one 1d array: " ".join()
    # does "1 2\n3 4" -> "1 2\n 3 4" and split() splits at \n + whitespace.
    items = np.array(' '.join(lines[1:]).split(), dtype=float)
    for ii in range(len(items) / step):
        kpoints[ii,:] = items[ii*step:(ii*step+3)]
        freqs[ii,:] = items[(ii*step+3):(ii*step+step)]
    return kpoints, freqs
Example #4
0
def read_matdyn_freq(filename):
    """Parse frequency file produced by QE's matdyn.x ("flfrq" in matdyn.x
    input, usually "matdyn.freq" or so) when calculating a phonon dispersion on
    a grid (ldisp=.true., used for phonon dos) or a pre-defined k-path in the
    BZ.

    In QE 5.x, a file with suffix ".gp" (e.g. "matdyn.freq.gp") is now written,
    where::
    >>> import numpy as np
    >>> from pwtools import kpath, pwscf
    >>> d = np.loadtxt("matdyn.freq.gp")
    >>> kpoints,freqs = pwscf.read_matdyn_freq("matdyn.freq")
    >>> allclose(d[:,0], kpath.get_path_norm(kpoints))
    >>> allclose(d[:,1:], freqs)
    
    Parameters
    ----------
    filename : file with k-points and phonon frequencies
    
    Returns
    -------
    kpoints : array (nks, 3)
        Array with `nks` k-points. AFAIK the unit is always ``2*pi/alat`` with
        ``alat = celldm(1)``.
    freqs : array (nks, nbnd)
        Array with `nbnd` energies/frequencies at each of the `nks` k-points.
        For phonon DOS, nbnd == 3*natoms.
    
    Notes
    -----
    `matdyn.in`::

        &input
            asr='simple',  
            amass(1)=26.981538,
            amass(2)=14.00674,
            flfrc='fc',
            flfrq='matdyn.freq.disp'
        /
        101                                | nks
        0.000000    0.000000    0.000000   |
        0.037500    0.037500    0.000000   | List of nks = 101 k-points
        ....                               |

    `filename` has the form::

        <header>
        <k-point, (3,)>
        <frequencies,(nbnd,)
        <k-point, (3,)>
        <frequencies,(nbnd,)
        ...
    
    for example::

        &plot nbnd=   6, nks= 101 /
                  0.000000  0.000000  0.000000
          0.0000    0.0000    0.0000  456.2385  456.2385  871.5931
                  0.037500  0.037500  0.000000
         23.8811   37.3033   54.3776  455.7569  457.2338  869.8832
         .....

    See Also
    --------
    bin/plot_dispersion.py, :func:`pwtools.kpath.plot_dis`,
    :func:`pwtools.kpath.get_path_norm`
    """
    lines = file_readlines(filename)
    # Read number of bands (nbnd) and k-points (nks). OK, Fortran's namelists
    # win here :)
    # nbnd: number of bands = number of frequencies per k-point = 3*natoms for
    #   phonons
    # nks: number of k-points
    pat = r'.*\s+nbnd\s*=\s*([0-9]+)\s*,\s*nks\s*=\s*([0-9]+)\s*/'
    match = re.match(pat, lines[0])
    assert (match is not None), "match is None"
    nbnd = int(match.group(1))
    nks = int(match.group(2))
    kpoints = np.empty((nks, 3), dtype=float)
    freqs = np.empty((nks, nbnd), dtype=float)
    step = 3 + nbnd
    # nasty trick: join all lines containing data into one 1d array: " ".join()
    # does "1 2\n3 4" -> "1 2\n 3 4" and split() splits at \n + whitespace.
    items = np.array(' '.join(lines[1:]).split(), dtype=float)
    for ii in range(len(items) // step):
        kpoints[ii,:] = items[ii*step:(ii*step+3)]
        freqs[ii,:] = items[(ii*step+3):(ii*step+step)]
    return kpoints, freqs