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krakenex

Kraken.com exchange API, Python 3 package.

This package is intentionally as lean as possible, and only provides a minimal interface to the Kraken_ cryptocurrency exchange.

Intended for developers, not traders.

.. _Kraken: https://kraken.com/

Software that uses krakenex

Libraries ^^^^^^^^^

• pykrakenapi_ - nicely wraps API methods into regular Python methods, and JSON responses into Pandas_ dataframes (available on PyPI!)
• CurrencyViewer_ - short python3 framework for data extraction, conversion, and smooth development experience (available on PyPI!)

.. _pykrakenapi: https://github.com/dominiktraxl/pykrakenapi .. _Pandas: http://pandas.pydata.org/ .. _CurrencyViewer: https://github.com/smechaab/CurrencyViewer

Clients ^^^^^^^

• clikraken_ - command-line client for the Kraken exchange (available on PyPI!)
• Telegram-Kraken-Bot_ - Telegram bot to trade on Kraken exchange

.. _clikraken: https://github.com/zertrin/clikraken .. _Telegram-Kraken-Bot: https://github.com/Endogen/Telegram-Kraken-Bot

Documentation

View the latest_ or stable_ online at ReadTheDocs.

The code is documented in docstrings, and can be viewed with a text editor.

You can also generate your own with, e.g., make html in doc. This requires sphinx and its rtd theme.

For the most up-to-date list of public/private Kraken API methods, see their API documentation_.

.. _latest: https://python3-krakenex.readthedocs.io/en/latest/ .. _stable: https://python3-krakenex.readthedocs.io/en/stable/ .. _API documentation: https://www.kraken.com/help/api

Examples

A few package use examples are available in the examples_ directory.

.. _examples: examples/

Installation

This package requires Python 3.3 or later. The module will be called krakenex.

A PyPI package_ is available.

For general use, there is only one direct dependency: requests_.

.. _PyPI package: https://pypi.python.org/pypi/krakenex .. _requests: http://docs.python-requests.org/

Locally for a project, in a virtual environment (recommended) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

This requires python-virtualenv and python-pip.

In a terminal:

.. code-block:: sh

create directory for a project that'll be using krakenex

mkdir my-project cd my-project

bootstrap virtualenv

export VIRTUAL_ENV=.virtualenv/krakenex mkdir -p $VIRTUAL_ENV virtualenv $VIRTUAL_ENV source $VIRTUAL_ENV/bin/activate

install from PyPI

pip install krakenex

For more information on virtualenv, see its documentation_.

.. _its documentation: https://virtualenv.pypa.io/en/stable/

For the user ^^^^^^^^^^^^

Using pip:

.. code-block:: sh

install from PyPI

pip install --user krakenex

... or from local git repo clone

cd CLONE-OF-GIT-REPO pip install --user .

System-wide (not recommended) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

In general, use the distribution's package manager.

If it's unavailable, one can use pip:

.. code-block:: sh

install from PyPI

pip install krakenex

... or from local copy

pip install /path/to/clone/of/repo

Attribution

"Core" code is licensed under LGPLv3. See LICENSE.txt and LICENSE-GPLv3.txt.

Examples are licensed under the Simplified BSD license. See examples/LICENSE.txt.

Payward's PHP API, Alan McIntyre's BTC-e API, and ScriptProdigy's Cryptsy Python API_ were used as examples when writing the original python2-krakenex_ package. It was then ported to Python 3.

.. _Payward's PHP API: https://github.com/payward/kraken-api-client .. _BTC-e API: https://github.com/alanmcintyre/btce-api .. _Cryptsy Python API: https://github.com/ScriptProdigy/CryptsyPythonAPI .. _python2-krakenex: https://github.com/veox/python2-krakenex

Development notes

Do not annoy the Kraken with tests ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Some tests may be making queries to the Kraken API server.

If you intend to do development on this package, and have tests enabled on Travis CI_, be sure to limit concurrent jobs to 1, and enable all possible auto-cancellations.

(Better yet, don't rely on public infrastructure, but run the tests locally first.)

.. _Travis CI: https://travis-ci.org

No Python 2 ^^^^^^^^^^^

This package will never support Python 2. There will be no changes made to enable compatibility with Python 2. Python 3.0 was released in 2008_, before Bitcoin was.

There is no reason to support Python 2 except for compatibility with systems from the pre-blockchain era.

The fact that some GNU/Linux distributions still ship with Python 2 as the default seems unfortunate to me. However, I will not support this madness with my precious time.

If you have a valid reason to use Python 2, see python2-krakenex_. Be warned, though, that it is unmaintained.

.. _released in 2008: https://en.wikipedia.org/wiki/History_of_Python#Version_3.0