Python — Use the curses library to display a numpy matrix in a pretty manner

curses_print_numpy_matrix.py

def display_matrix(screen, m, x, y, precision=2, title=None):
    rows, cols = m.shape
    if title:
        screen.addstr(x, y, title)
        x += 1
    screen.addstr(x, y, "[")
    screen.addstr(x, cols*(4+precision)+y+1, "]")
    screen.addstr(rows+x-1, y, "[")
    screen.addstr(rows+x-1, cols*(4+precision)+y+1, "]")
    for row in range(rows):
        for col in range(cols):
            screen.addstr(row+x, col*(4+precision)+y+1, "%+.*f," % (precision, m[row, col]))