Example #1
0
 def _cleanup(self):
     '''
     Ensure all data types are correctly assigned.
     '''
     if self.element is not None:
         self.element = str(self.element)
     if self.x is not None:
         assert cast.is_numeric(self.x),\
             "Error - x should be numeric."
         self.x = float(self.x)
     if self.y is not None:
         self.y = float(self.y)
         assert cast.is_numeric(self.x),\
             "Error - y should be numeric."
     if self.z is not None:
         self.z = float(self.z)
         assert cast.is_numeric(self.x),\
             "Error - z should be numeric."
     if self.index is not None:
         self.index = int(self.index)
     if self.molecule_index is not None:
         self.molecule_index = int(self.molecule_index)
     if self.label is not None:
         self.label = str(self.label)
     if self.charge is not None:
         self.charge = float(self.charge)
Example #2
0
    def parse_line(line):
        '''
        Parse line inputs and assign to this object.

        **Parameters**

            line: *str*
                A string that holds a smooth parameter set.

        **Returns**

            None
        '''

        line = line.strip().split()
        assert len(line) == 7,\
            "Error - Invalid line to parse!"
        assert is_numeric(line[0]),\
            "Error - Invalid line to parse!"

        smooth_index = int(line[0])
        atom_i, atom_j = line[1:3]
        r_in, d_in, gcut = [float(v) for v in line[3:6]]

        pkg = [smooth_index, atom_i, atom_j]
        pkg += [r_in, d_in, gcut, str(line[6])]

        return pkg
Example #3
0
def rotation_matrix(axis, theta, units="deg"):
    '''
    Obtain a left multiplication rotation matrix, given the axis and angle you
    wish to rotate by. By default it assumes units of degrees.  If theta is in
    radians, set units to rad.

    **Parameters**

        axis: *list, float*
            The axis in which to rotate around.
        theta: *float*
            The angle of rotation.
        units: *str, optional*
            The units of theta (deg or rad).

    **Returns**

        rotatation_matrix: *list, list, float*
            The left multiplication rotation matrix.

    **References**

        * http://stackoverflow.com/questions/6802577/python-rotation-of-3d-vector/25709323#25709323
    '''
    cast.assert_vec(axis, length=3, numeric=True)
    axis = np.array(axis)
    assert cast.is_numeric(theta),\
        "Error - Theta should be a numerical value (it is %s)." % str(theta)
    theta = float(theta)
    if "deg" in units.lower():
        theta = np.radians(theta)
    return scipy.linalg.expm(
        np.cross(np.eye(3), axis / scipy.linalg.norm(axis) * theta))
Example #4
0
    def load_smrff(cls, parsed_file, pfile_name=None, restrict=None):
        '''
        Given a parameter file, inport the smooth parameters if possible.

        **Parameters**

            parsed_file: *str*
                A parsed smrff parameter file input string (no comments or
                trailing white spaces)
            pfile_name: *str*
                The name of a parameter file to be parsed.  If specified,
                then parsed_file is ignored (you may simply pass None as
                parsed_file).
            restrict: *list, str, optional*
                A list of atom labels to include when loading.  If not
                specified, everything is loaded.

        **Returns**

            smooth_objs: *list,* :class:`squid.forcefields.sinSmooth.lr.SmoothSinInOut`, or *None*
                Returns a list of smooth objects if possible, else None.
        '''
        import squid.forcefields.smrff as smrff_utils

        # Ensure correct parsed_file format, and that we even need to parse it.
        if pfile_name is not None:
            parsed_file = smrff_utils.parse_pfile(pfile_name)
        if SMOOTH_PFILE_ID not in parsed_file:
            return []

        parsed_file = parsed_file[parsed_file.index(SMOOTH_PFILE_ID):]
        parsed_file = parsed_file[:parsed_file.index(END_ID)].split("\n")[1:-1]

        parsed_file = [
            cls.parse_line(line) for line in parsed_file
            if is_numeric(line.split()[0]) and len(line.split()) == 9
        ]

        return [
            cls(smooth_index, atom_i, atom_j, r_in, d_in, gcut_in, r_out,
                d_out, gcut_out) for smooth_index, atom_i, atom_j, r_in, d_in,
            gcut_in, r_out, d_out, gcut_out in parsed_file
            if check_restriction(atom_i, restrict)
            and check_restriction(atom_j, restrict)
        ]
Example #5
0
    def parse_line(line):
        '''
        Parse line inputs and assign to this object.

        **Parameters**

            line: *str*
                A string that holds a smooth parameter set.

        **Returns**

            None
        '''

        line = line.strip().split()
        assert len(line) in [8, 11, 14],\
            "Error - Invalid line to parse!"
        assert not is_numeric(line[0]),\
            "Error - Invalid line to parse!"

        inout_index = None
        if len(line[0]) == 2:
            inout_index = int(line[0][1])

        # To simplify getting things, pad line with Nones
        line = line + [None for i in range(14 - len(line))]

        smooth_index_1, smooth_index_2, atom_i, atom_j,\
            r_1, d_1, gcut_1,\
            r_2, d_2, gcut_2,\
            r_3, d_3, gcut_3 = line[1:]

        f = lambda x: float(x) if x is not None else None
        i = lambda x: int(x) if x is not None else None
        return [
            int(smooth_index_1), int(smooth_index_2),
            str(atom_i), str(atom_j),
            float(r_1), float(d_1), float(gcut_1),
            f(r_2), f(d_2), f(gcut_2),
            f(r_3), f(d_3), f(gcut_3),
            i(inout_index)
        ]
Example #6
0
def get_job(s_flag, detail=0):
    '''
    Get a list of all jobs currently on your queue.  From this, only return
    the values that have s_flag in them.  The *detail* variable can be used
    to specify how much information you want returned.

    **Parameters**

        s_flag: *str*
            A string to parse out job information with.
        detail: *int, optional*
            The amount of information you want returned.

    **Returns**

        all_jobs: *list*
            Depending on *detail*, you get the following:

                - *details* =0: *list, str*
                    List of all jobs on the queue.

                - *details* =1: *list, tuple, str*
                    List of all jobs on the queue as:
                        (job name, time run, job status)

                - *details* =2: *list, tuple, str*
                    List of all jobs on the queue as:
                        (job name,
                         time run,
                         job status,
                         queue,
                         number of processors)
    '''
    detail = int(detail)

    main_detail = detail
    if detail <= 0:
        detail = 1

    # Get input from jlist as a string
    jlist_path = which("jlist")
    qlist_path = which("qlist")
    jshow_path = which("jshow")

    assert jlist_path is not None,\
        "Error - Cannot find jlist."
    assert qlist_path is not None,\
        "Error - Cannot find qlist."
    assert jshow_path is not None,\
        "Error - Cannot find jshow."

    p = subprocess.Popen([jlist_path],
                         shell=False,
                         stdout=subprocess.PIPE,
                         stderr=subprocess.PIPE)
    output = p.stdout.read().decode("utf-8")

    # Get data from string
    pattern = getpass.getuser() +\
        '''[\s]+([\S]+)[\s]+([\S]+)[\s]+([\S]+)'''
    info = re.findall(pattern, output)

    # Get a list of names
    names = []
    for a in info:
        names.append(a[0])

    if len(names) > 0:
        out_ids = output.split("\n")
        out_ids = [
            x.split()[0] for x in out_ids
            if len(x.split()) > 0 and is_numeric(x.split()[0])
        ]
        info = [tuple(list(i) + [j]) for i, j in zip(info, out_ids)]

    # If user wants more information
    all_jobs = None
    if detail == 3:
        close_pipes(p)
        all_jobs = [i[-1] for i in info]
    elif detail == 2:
        for i, a in enumerate(info):
            p = subprocess.Popen([jshow_path, a[0]], stdout=subprocess.PIPE)
            s = p.stdout.read().decode("utf-8")
            serv = s[s.find('Queue name:'):].split()[2].strip()
            threads = 1
            if "Slot Reservations" in s:
                threads = s[s.find('Slot Reservations'):].split()[4]
                threads = threads.strip()
            info[i] = info[i] + (
                serv,
                threads,
            )
        close_pipes(p)
        all_jobs = info

    if all_jobs is None:
        # Return appropriate information
        close_pipes(p)
        if detail == 1:
            all_jobs = info
        else:
            all_jobs = names

    job_indices = [i for i, j in enumerate(all_jobs) if s_flag in " ".join(j)]
    chosen_jobs = [all_jobs[i] for i in job_indices]
    if main_detail == 0:
        return [j[0] for j in chosen_jobs]
    else:
        return chosen_jobs
Example #7
0
def printProgressBar(iteration,
                     total,
                     prefix='',
                     suffix='',
                     decimals=1,
                     length=20,
                     fill='+',
                     buf=None,
                     pad=False):
    '''
    NOTE! THIS IS COPIED FROM STACK OVERFLOW (with minor changes),
    USER Greenstick
    Link: https://stackoverflow.com/a/34325723

    Call in a loop to create terminal progress bar.

    **Parameters**

        iteration: *int*
            Current iteration.
        total: *int*
            Total number of iterations.
        prefix: *str, optional*
            Prefix for the loading bar.
        suffix: *str, optional*
            Suffix for the loading bar.
        decimals: *int, optional*
            Positive number of decimals in percent complete
        length: *int, optional*
            Character length of the loading bar.
        fill: *str, optional*
            Bar fill character.
        pad: *bool, optional*
            Whether to pad the right side with spaces until terminal width.
    '''
    if buf is not None:
        if not hasattr(printProgressBar, "buf"):
            setattr(printProgressBar, "buf", buf)
        elif printProgressBar.buf < 0:
            printProgressBar.buf = buf
        else:
            printProgressBar.buf -= 1
            return

    assert "stty" not in prefix and "stty" not in suffix,\
        "Don't have 'stty' in prefix or suffix."

    assert is_numeric(total),\
        "Error - total is not a numerical value."
    assert float(total) > 0,\
        "Error - total is not greater than 0."
    assert is_numeric(iteration),\
        "Error - iteration is not a numerical value."
    assert float(iteration) >= 0,\
        "Error - iteration is less than 0."
    assert float(iteration) <= total,\
        "Error - iteration is larger than total."

    percent = ("{0:." + str(decimals) + "f}").format(
        100 * (iteration / float(total)))
    filledLength = int(length * iteration // total)
    bar = fill * filledLength + '-' * (length - filledLength)
    bar = '\r%s |%s| %s%% %s' % (prefix, bar, percent, suffix)
    if pad:
        try:
            p = Popen("stty size".split(), stdout=PIPE, stderr=PIPE)
            cols, stderr = p.communicate()
            if stderr.strip() is not "":
                cols = 300
            else:
                cols = int(cols.strip().split()[-1])
        except IndexError:
            # This is a backup in the case that this code is
            # run on the queue or something.
            cols = 300
        cols = max([cols, len(bar) + 1])  # Ensure we are always long enough
        bar = bar + "".join([" " for i in range(cols - len(bar))])
    sys.stdout.write(bar)
    # Print New Line on Complete
    if iteration == total:
        sys.stdout.write('\n')

    sys.stdout.flush()