# log-progress functionality was integrated into tqdm. Please, use from tqdm.notebook import tqdm as log_progress.

Widget based progress bar for Jupyter (IPython Notebook)

Code

def log_progress(sequence, every=None, size=None, name='Items'):
    from ipywidgets import IntProgress, HTML, VBox
    from IPython.display import display
is_iterator = False     if size is None:         try:             size = len(sequence)         except TypeError:             is_iterator = True     if size is not None:         if every is None:             if size <= 200:                 every = 1             else:                 every = int(size / 200)     # every 0.5%     else:         assert every is not None, 'sequence is iterator, set every'
if is_iterator:         progress = IntProgress(min=0, max=1, value=1)         progress.bar_style = 'info'     else:         progress = IntProgress(min=0, max=size, value=0)     label = HTML()     box = VBox(children=[label, progress])     display(box)
index = 0     try:         for index, record in enumerate(sequence, 1):             if index == 1 or index % every == 0:                 if is_iterator:                     label.value = '{name}: {index} / ?'.format(                         name=name,                         index=index                     )                 else:                     progress.value = index                     label.value = u'{name}: {index} / {size}'.format(                         name=name,                         index=index,                         size=size                     )             yield record     except:         progress.bar_style = 'danger'         raise     else:         progress.bar_style = 'success'         progress.value = index         label.value = "{name}: {index}".format(             name=name,             index=str(index or '?')         )

Examples

Iterators are supported:

More then one progress bar can be in a sigle cell:

They can even be from different threads: