import sys
import time

from IPython.display import clear_output
for i in range(10):
    time.sleep(0.25)
    clear_output()
    print i
    sys.stdout.flush()

from IPython import parallel
rc = parallel.Client()
view = rc.load_balanced_view()

amr = view.map_async(time.sleep, [0.5]*100)

amr.wait_interactive()

%pylab inline

from scipy.special import jn
x = np.linspace(0,5)
f, ax = plt.subplots()
ax.set_title("Bessel functions")

for n in range(1,10):
    time.sleep(1)
    ax.plot(x, jn(x,n))
    clear_output()
    display(f)

# close the figure at the end, so we don't get a duplicate
# of the last plot
plt.close()

import uuid
from IPython.display import HTML, Javascript, display

divid = str(uuid.uuid4())

pb = HTML(
"""
<div style="border: 1px solid black; width:500px">
  <div id="%s" style="background-color:blue; width:0%%">&nbsp;</div>
</div> 
""" % divid)
display(pb)
for i in range(1,101):
    time.sleep(0.1)
    
    display(Javascript("$('div#%s').width('%i%%')" % (divid, i)))

import sys, time
try:
    from IPython.display import clear_output
    have_ipython = True
except ImportError:
    have_ipython = False

class ProgressBar:
    def __init__(self, iterations):
        self.iterations = iterations
        self.prog_bar = '[]'
        self.fill_char = '*'
        self.width = 40
        self.__update_amount(0)
        if have_ipython:
            self.animate = self.animate_ipython
        else:
            self.animate = self.animate_noipython

    def animate_ipython(self, iter):
        print '\r', self,
        sys.stdout.flush()
        self.update_iteration(iter + 1)

    def update_iteration(self, elapsed_iter):
        self.__update_amount((elapsed_iter / float(self.iterations)) * 100.0)
        self.prog_bar += '  %d of %s complete' % (elapsed_iter, self.iterations)

    def __update_amount(self, new_amount):
        percent_done = int(round((new_amount / 100.0) * 100.0))
        all_full = self.width - 2
        num_hashes = int(round((percent_done / 100.0) * all_full))
        self.prog_bar = '[' + self.fill_char * num_hashes + ' ' * (all_full - num_hashes) + ']'
        pct_place = (len(self.prog_bar) // 2) - len(str(percent_done))
        pct_string = '%d%%' % percent_done
        self.prog_bar = self.prog_bar[0:pct_place] + \
            (pct_string + self.prog_bar[pct_place + len(pct_string):])

    def __str__(self):
        return str(self.prog_bar)

p = ProgressBar(1000)
for i in range(1001):
    p.animate(i)