IPython magic to call Matlab using Transplant

ipython-matlab

import os
import sys
sys.path.append(os.path.dirname(os.path.realpath(__file__))+'/transplant')
from transplant_master import Matlab, TransplantError
from IPython.display import HTML, Image, display
from IPython import get_ipython
_matlab = Matlab()

def matlab(line, cell=None):
    global _matlab
    if _matlab is None or 'restart' in line:
        _matlab = Matlab()
    if cell is None:
        return

    try:
        _matlab.evalin('base', cell, nargout=0)
    except TransplantError as err:
        if len(err.stack) > 1:
            trace = ('Error using <a href="file://{file}">{name}</a>'
                     ' (line {line})<br>'.format(**err.stack[0])
                     + err.original_message + '<br>')
            for frame in err.stack[1:-1]:
                with open(frame['file']) as f:
                    line = f.readlines()[frame['line']-1]
                trace += ('<br>Error in <a href="file://{file}">{name}</a>'
                          ' (line {line})<br>'.format(**frame)
                          + line)
        else:
            trace = err.original_message
        display(HTML('<div style="color:darkred">'+
                          trace+'</div>'))

    if 'inline' in line:
        figures = _matlab.get(0, 'children')
        if not isinstance(figures, list):
            figures = [figures]
        for figure in figures:
            _matlab.saveas(figure, '_temp.png', 'png')
            display(Image('_temp.png', width=800))
            os.remove('_temp.png')
    elif 'draw' in line:
        _matlab.drawnow()
        _matlab.drawnow()
    elif 'ui' in line:
        while _matlab.length(_matlab.get(0, 'children')) > 0:
            children = _matlab.get(0, 'children')
            if isinstance(children, list):
                _matlab.uiwait(children[0], 1)
            else:
                _matlab.uiwait(children, 1)

ip = get_ipython()
ip.register_magic_function(matlab, 'line_cell')