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Python Progress Indicator Utility

Project description

PyPrind
=======

The PyPrind (Python Progress Indicator) module lets you visualize the
progress of a programming task in Python via a progress bar or a
percentage indicator.



Installation
------------

You can use the following command to install PyPrind:
``pip install pyprind``
or
``easy_install pyprind``

Alternatively, you download the package manually, unzip it, and install it from the
package folder via:

``python setup.py install`` or ``python3 setup.py install``



Documentation
-------------

| PyPrind consists of two class objects that can visualize the progress
of a computation on the output screen.
| Progress bars are visualized via a ``ProgBar()`` object, and
alternatively, the progress can be shown as an percentage via the
``ProgPercent()`` object.

The general usage of ``ProgBar()`` and ``ProgPercent()`` consists of
three steps:

1) initialize a new ``ProgBar()`` or ``ProgPercent()`` object with the
number of iterations of the computation that is to be performed
2) update the ``ProgBar()`` or ``ProgPercent()`` object for each
iteration via the ``.update()``\ method
3) complete the progress visualization via the ``.finish()`` method
after the computation is completed


```n = 10000000
my_progress = pyprind.ProgBar(n) # 1) initialization with number of iterations
for i in range(n):
# do some computation
my_prbar.update() # 2) update the progress visualization
my_prbar.finish() # 3) complete the progress visualization
```



Optional parameters:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

** Setting the width of the progress bar **

``my_prog = pyrpind.ProgBar(width=70) # default = 50``

** Set whether CPU time should be reported or not **

The optional ``cpu_time`` parameter can be set for both ``ProgBar()`` and
``ProgPercent()`` objects.

E.g.,
``my_prog.finish(cpu_time=False) # (default = True)``






Examples
--------

The following examples shall illustrate the typical usage of the
PyPrind package.
An visualization can be viewed on YouTube: http://youtu.be/gjj5K8OWo7U



Example - Progress Bar
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


```import pyprind

n = 10000000
my_prbar = pyprind.ProgBar(n)
for i in range(n):
# do some computation
my_prbar.update()
my_prbar.finish() </pre>


**Progress Bar Screen Output**



```sebastian > ./python3 examples/ex_percentage_indicator.py
[100 %]
Time elapsed: 2.6364 sec
```

Example - Percentage Indicator
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


```import pyprind

n = 1000000
my_perc = pyprind.ProgPercent(n)
for i in range(n):
# do some computation
my_perc.update()
my_perc.finish()
```

**Percentage Indicator Screen Output**


``` sebastian > python3 examples/ex_progress_bar.py
0% 100%
[########################################]
Time elapsed: 0.7829 sec
```


Contact
--------

If you have any questions or comments about PyPrind, please feel free
to contact me via
eMail: se.raschka@gmail.com
or Twitter: @rasbt (https://twitter.com/rasbt)

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