Taking an action on cells after each execution via post_run_cell and history

In [11]:

from IPython import get_ipython


def summarize_last_cell():
    # get the last execution
    cell = get_ipython().history_manager.input_hist_parsed[-1]
    # print some info about it
    print('%s...(%s lines)' % (cell[:4], len(cell.splitlines())))

# register this function to be called after every execution
get_ipython().events.register('post_run_cell', summarize_last_cell)

from...(11 lines)

In [12]:

def foo():
    print('hi')

def ...(2 lines)

In [13]:

Out[13]:

1...(1 lines)