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Short Description
farcy: a code review bot for github pull requests
Full Description

.. _main_page:

farcy: a code review bot for github pull requests

.. image::
.. image::


a form of glanders chiefly affecting the skin and superficial lymphatic
vessels of horses and mules.

While horses and mules function with farcy, such animals would likely prefer
not to have them, and they are an eyesore to those viewing such
animals. Unreviewed source code is analogous to farcy for equines, where the
resulting execution of the source code will likely work as intended, but may be
an eyesore to those working with the source. Farcy attempts to instruct authors
of pull requests to remove eyesores they've added by commenting on changes
introduced in pull requests.

Installation and execution

Farcy is easiest to install using pip:

.. code-block:: bash

$ pip install farcy

Farcy is run by specifying a github repository owner (or organization), the
repository name, and an optional log level:

.. code-block:: bash

$ farcy --level INFO appfolio farcy


Farcy allows to be configured using configuration files. Existence of a configuration
file is optional and values can be overwritten by commandline arguments. On boot,
Farcy will look for a configuration file at ``~/.config/farcy/farcy.conf``.

The configuration file can contain a ``DEFAULT`` section and a section per repository
with specific settings. The ``DEFAULT`` section can take an optional ``repository`` key.

.. code-block::

    log_level: INFO

    debug: true
    exclude_paths: npm_modules, vendor, db
    limit_users: balloob, bboe
    pr_issue_report_limit: 32

    exclude_users: bboe
    log_level: WARNING
    pr_issue_report_limit: 10

Configuration files for the various linters can be placed in
``~/.config/farcy/handler_NAME.conf``. Replace ``NAME`` with the name of the handler.

Optional external packages needed for various file types

Python: farcy will take advantage of two tools for python files:
flake8 and pep257. These can be installed alongside farcy via:

.. code-block:: bash

$ pip install farcy[python]

Ruby: In order to provide code review of ruby files, rubocop is
required. Install via:

.. code-block:: bash

$ gem install rubocop

JavaScript: jsxhint is used to provide code review for JavaScript and JSX files. Install via:

.. code-block:: bash

$ npm install -g jsxhint


Farcy is available as a Docker image with all the handlers installed and ready to be used.

To get started, create a config folder with a configuration file farcy.conf that points at your repository.

.. code-block::

repository: appfolio/farcy

After that, run the Docker container in interactive mode to setup your GitHub credentials. This will create the file github_auth in your configuration folder. This file can be reused if you plan on creating multiple containers.

.. code-block:: bash

$ docker run -t -i -v /path/to/local/farcy/config:/config appfolio/farcy

After the initial setup, Farcy is ready to go and you can run the Docker container in daemon mode.

.. code-block:: bash

$ docker run -d --name="farcy" -v /path/to/local/farcy/config:/config appfolio/farcy

Copyright and license

Source released under the Simplified BSD License.

  • Copyright (c), 2014, AppFolio, Inc
  • Copyright (c), 2014, Bryce Boe
  • Copyright (c), 2015, Paulus Schoutsen
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