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        "author": "Mikul\u00e1\u0161 Poul",
        "author_email": "mikulaspoul@gmail.com",
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        "classifiers": [
            "Development Status :: 4 - Beta",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Programming Language :: Python :: 3 :: Only",
            "Topic :: Security",
            "Topic :: Software Development :: Build Tools",
            "Topic :: Software Development :: Version Control :: Git",
            "Topic :: Utilities"
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        "description": "Arca\n====\n\n.. image:: https://img.shields.io/travis/mikicz/arca.svg\n   :target: https://travis-ci.org/mikicz/arca\n\n.. image:: https://img.shields.io/codecov/c/github/mikicz/arca.svg\n   :target: https://codecov.io/gh/mikicz/arca\n\n.. image:: https://img.shields.io/pypi/v/arca.svg\n   :target: https://pypi.org/project/arca/\n\n.. image:: https://img.shields.io/github/license/mikicz/arca.svg?style=flat\n   :target: https://github.com/mikicz/arca/blob/master/LICENSE\n\n.. image:: https://img.shields.io/readthedocs/arca.svg\n   :target: https://arca.readthedocs.io/\n\nArca is a library for running Python functions (callables) from git repositories in various states of isolation.\nArca can also cache the results of these callables using `dogpile.cache <https://dogpilecache.readthedocs.io/en/latest/>`_.\n\nGetting started\n***************\n\nGlossary\n++++++++\n\n* **Arca** - name of the library. When written as ``Arca``, the main interface class is being referenced.\n* **Task** - definition of the function (callable), consists of a reference to the object and arguments.\n* **Backend** - a way of running tasks.\n\nInstallation\n++++++++++++\n\nRequirements\n------------\n\n* Python >= 3.6\n\nRequirements for certain backends:\n\n* `Pipenv <https://docs.pipenv.org/>`_ (for certain usecases in `Virtualenv Backend <https://arca.readthedocs.io/en/latest/backends.html#virtual-environment>`_)\n* `Docker <https://www.docker.com/>`_ (for `Docker Backend <https://arca.readthedocs.io/en/latest/backends.html#docker>`_\n  and `Vagrant Backend <https://arca.readthedocs.io/en/latest/backends.html#vagrant>`_)\n* `Vagrant <https://www.vagrantup.com/>`_ (for the `Vagrant Backend <https://arca.readthedocs.io/en/latest/backends.html#vagrant>`_)\n\nInstallation\n------------\n\nTo install the last stable version:\n\n.. code-block:: bash\n\n  python -m pip install arca\n\nIf you want to use the Docker backend:\n\n.. code-block:: bash\n\n  python -m  pip install arca[docker]\n\nOr if you want to use the Vagrant backend:\n\n.. code-block:: bash\n\n  python -m pip install arca[vagrant]\n\nOr if you wish to install the upstream version:\n\n.. code-block:: bash\n\n  python -m pip install git+https://github.com/mikicz/arca.git#egg=arca\n  python -m pip install git+https://github.com/mikicz/arca.git#egg=arca[docker]\n  python -m pip install git+https://github.com/mikicz/arca.git#egg=arca[vagrant]\n\nExample\n+++++++\n\nTo run a Hello World example you'll only need the ``arca.Arca`` and ``arca.Task`` classes.\n``Task`` is used for defining the task that's supposed to be run in the repositories.\n``Arca`` takes care of all the settings and provides the basic API for running the tasks.\n\nLet's say we have the following file, called ``hello_world.py``,\nin a repository ``https://example.com/hello_word.git``, on branch ``master``.\n\n.. code-block:: python\n\n  def say_hello():\n     return \"Hello World!\"\n\nTo call the function using Arca, the following example would do so:\n\n.. code-block:: python\n\n  from arca import Arca, Task\n\n  task = Task(\"hello_world:say_hello\")\n  arca = Arca()\n\n  result = arca.run(\"https://example.com/hello_word.git\", \"master\", task)\n  print(result.output)\n\nThe code would print ``Hello World!``.\n``result`` would be a ``arca.Result`` instance. ``arca.Result`` has three attributes,\n``output`` with the return value of the function call, ``stdout`` and ``stderr`` contain things printed to the standard outputs\n(see the section about `Result <http://arca.readthedocs.io/en/latest/tasks.html#result>`_ for more info about the capture of the standard outputs).\nIf the task fails, ``arca.exceptions.BuildError`` would be raised.\n\nBy default, the `Current Environment Backend <https://arca.readthedocs.io/en/latest/backends.html#current-environment>`_ is used to run tasks,\nwhich uses the current Python, launching the code in a subprocess. You can learn about backends `here <https://arca.readthedocs.io/en/latest/backends.html>`_.\n\nFurther reading\n***************\n\nYou can read the full documentation on `Read The Docs <https://arca.readthedocs.io/>`_.\n\nRunning tests\n**************\n\nTo run tests you'll need the optional requirements, Docker and Vagrant. Once you have them and they can be used by\nthe current user you just need to run:\n\n.. code-block:: bash\n\n  python setup.py test\n\nThis will launch the tests and a PEP8 check. The tests will take some time since building the custom\ndocker images is also tested and vagrant, in general, takes a long time to set up.\n\nContributing\n************\n\nContributions are welcomed! Feel free to open a issue or submit a pull request on `GitHub <https://github.com/mikicz/arca>`_!\n\n\n\nChanges\n=======\n\n0.3.1 (2018-11-16)\n******************\n\nRaising a Arca exception when building of a Docker image fails. (`#56 <https://github.com/mikicz/arca/issues/56>`_, `#57 <https://github.com/mikicz/arca/pull/57>`_)\n\n0.3.0 (2018-08-25)\n******************\n\nChanges\n  * Removed CurrentEnvironmentBackend's capability to process requirements - all requirements are ignored. (**BACKWARDS INCOMPATIBLE**)\n  * Added support for installing requirements using `Pipenv <https://docs.pipenv.org/>`_.\n    The directory containing ``Pipfile`` and ``Pipfile.lock`` is set by the backend option **pipfile_location**, by default the root of the repository is selected.\n    The Pipenv files take precedence over regular requirement files.\n  * The ``Result`` class now has two more attributes, ``stdout`` and ``stderr`` with the outputs of launched tasks to standard output and error.\n    Priting is therefore now allowed in the endpoints.\n  * Using UTF-8 locale in Docker images used in ``DockerBackend``.\n  * Supporting Python 3.7.\n\n0.2.1 (2018-06-11)\n******************\n\nUpdated dogpile.cache to 0.6.5, enabling compatability with Python 3.7.\nUpdated the Docker backend to be able to run on Python betas.\n\n0.2.0 (2018-05-09)\n******************\n\nThis release has multiple backwards incompatible changes against the previous release.\n\nChanges:\n  * Using extras to install Docker and Vagrant dependencies\n\n    * ``pip install arca[docker]`` or ``pip install arca[vagrant]`` has to be used\n\n  * Automatically using cloned repositories as reference for newly cloned branches\n  * Using Debian as the default base image in the Docker backend:\n\n    * **apk_dependencies** changed to **apt_dependencies**, now installing using `apt-get`\n\n  * Vagrant backend only creates one VM, instead of multiple -- see its documentation\n  * Added timeout to tasks, 5 seconds by default. Can be set using the argument **timeout** for ``Task``.\n  * Added timeout to installing requirements, 300 seconds by default. Can be set using the **requirements_timeout** configuration option for backends.\n\n0.1.1 (2018-04-23)\n******************\n\nUpdated gitpython to 2.1.9\n\n0.1.0 (2018-04-18)\n******************\n\nInitial release\n\nChanges:\n * Updated PyPI description and metadata\n\n0.1.0a0 (2018-04-13)\n********************\n\nInitial alfa release\n\n\n",
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