Add tqdm

[frahik]

Why this framework/library/software/resource is awesome?

Add a progress meter to your loops in a second

Closing issue #648 Add tqdm

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New library added

[casperdcl]

Nice to see this here! I'd change from what you wrote originally, though:

* [tqdm] (https://github.com/tqdm/tqdm) - Add a progress meter to your loops in a second.

to:

* [tqdm](https://github.com/tqdm/tqdm) - Fast, extensible progress bar for loops and CLI.

What do you think?

To further expatiate on why this is awesome, tqdm does CLI as well as über simple iterable wrapping.

Using as a CLI pipe:

$ 7z a -bd -r backup.7z docs/ | grep Compressing |
    tqdm --total $(find docs/ -type f | wc -l) --unit files >> backup.log
100%|███████████████████████████████▉| 8014/8014 [01:37<00:00, 82.29files/s]

or in a script:

from tqdm import tqdm
for i in tqdm(range(1000)):
  pass

In summary, tqdm will:

• wrap pretty much any python iterable
• print an easily customisable ascii or unicode progressbar + stats to the terminal
• or display a nice bar in an ipython/jupyter notebook
• or display a "download" style bar using matplotlib
• work with pandas functions and numpy arrays
• work on py2 and py3
• remain permissive open source
• (probably) be lower computational overhead than any other popular alternative
• (probably) be fewer characters of code to use than any other popular alternative
• (probably) have more features than any other popular alternative
• save lives and sanity

-- Casper, main tqdm dev

[CrazyPython]

@casperdcl no, use:

* [tqdm](https://github.com/tqdm/tqdm) - Fast, *extremely simple* extensible progress bar for loops and CLI.

Simplicity is tqdm's #1 feature.

[casperdcl]

@vinta this has had more that 20 votes for ages (since last year), but please don't merge this in until we release tqdm v5... which might only happen in another few months (need to address all of tqdm/tqdm/milestone/v5). We'd like it to be really nicely polished before it appears on the awesome list.

[casperdcl]

@vinta I don't think it's worth waiting any longer - happy for you to go ahead and merge this in. At a few million downloads per month, 10k+ stars and sourcerank 22 (see below) it's probably silly for me to hold you back.

As I'd said in #662 (comment),

it would be great to change

* [tqdm] (https://github.com/tqdm/tqdm) - Add a progress meter to your loops in a second.

to

* [tqdm](https://github.com/tqdm/tqdm) - Fast, extensible progress bar for loops and CLI.

I'll open a new PR

[techtonik]

This needs to be rebased.

[casperdcl]

this doesn't need to be rebased @techtonik @vinta #1293 supercedes this

[vinta]

@casperdcl It does. Could you fix the conflicts?

[casperdcl]

@vinta erm I meant merge #1293 and don't merge this (#662)