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156 lines
4.8 KiB
Text
156 lines
4.8 KiB
Text
Installing the pokedex library
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==============================
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Quick startup with Ubuntu/Debian-like systems
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---------------------------------------------
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Run the following from an empty directory::
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$ sudo apt-get install git python python-pip python-sqlalchemy
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$ git clone git://github.com/veekun/pokedex.git
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$ pip install -E env -e pokedex
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$ source env/bin/activate
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(env)$ pokedex setup -v
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(env)$ pokedex lookup eevee
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If it all goes smoothly, you can now use ``env/bin/pokedex``, the command-line
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tool, and ``env/bin/python``, a Python interpreter configured to use the
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pokedex library.
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That is all you need. Feel free to skip the rest of this chapter if you're not
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interested in the details.
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Prerequisites
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-------------
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Linux
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^^^^^
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Ubuntu/Debian users should run the following::
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$ sudo apt-get install git python python-pip
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With other Linuxes, install the packages for git, python (2.6 or 2.7,
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*not* 3.x), and python-pip.
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If you succeeded, skip the Detailed instructions.
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Detailed instructions
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^^^^^^^^^^^^^^^^^^^^^
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You should know what a command line is and how to work with it.
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The here we assume you're using Linux [#]_, if that's not the case, make
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sure you have enough computer knowledge to translate the instructions to your
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operating system.
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Pokedex is distributed via Git_. So, get Git.
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You will also need Python_ 2; the language pokedex is written in. Be sure to get
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version **2.6** or **2.7**. Pokedex does not work with Python 3.x yet, and it
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most likely won't work with 2.5 or earlier.
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Next, get pip_, a tool to install Python packages. Experts can use another
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tool, of course.
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Make sure git and pip are on your path.
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Optionally you can install SQLAlchemy_, `Python markdown`_, Whoosh_,
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or construct_. If you don't, pip will atuomatically download and install a copy
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for you, but some are pretty big so you might want to install it system-wide.
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(Unfortunately, many distros have outdated versions of these libraries, so pip
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will install pokedex's own copy anyway.)
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Getting and installing pokedex
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------------------------------
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Run the following from an empty directory::
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$ git clone git://github.com/veekun/pokedex.git
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$ pip install -E env -e pokedex
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This will give you two directories: pokedex (containing the source code and
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data), and env (a virtualenv_).
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In env/bin, there are three interesting files:
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* pokedex: The pokedex program
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* python: A copy of Python that knows about pokedex and its prerequisites.
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* activate: Typing ``source env/bin/activate`` in a shell will put
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pokedex and our bin/python on the $PATH, and generally set things up to work
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with them. Your prompt will change to let you know of this. You can end such
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a session by typing ``deactivate``.
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This documentation will assume that you've activated the virtualenv, so
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``pokedex`` means ``env/bin/pokedex``.
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Advanced
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^^^^^^^^
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You can of course install into an existing virtualenv, by either using its pip
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and leaving out the ``-E env``, or running the setup script directly::
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(anotherenv)$ cd pokedex
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(anotherenv)pokedex$ python setup.py develop
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It is also possible to install pokedex system-wide. There are problems with
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that. Don't do it. The only time you need ``sudo`` is for getting the
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prerequisites.
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Loading the database
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--------------------
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Before you can do anything useful with pokedex, you need to load the database::
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$ pokedex setup -v
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This will load the data into a default SQLite database and create a default
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Whoosh index.
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Advanced
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^^^^^^^^
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If you want to use another database, make sure you have the corresponding
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`SQLAlchemy engine`_ for it and either use the ``-e`` switch, (e.g.
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``-e postgresql://@/pokedex``), or set the ``POKEDEX_DB_ENGINE`` environment
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variable.
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To use another lookup index directory, specify it with ``-i`` or the
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``POKEDEX_INDEX_DIR`` variable.
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Make sure you always use the same options whenever you use pokedex.
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If you're confused about what pokedex thinks its settings are, check
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``pokedex status``.
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See ``pokedex help`` for even more options.
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All done
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--------
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To verify that all went smoothly, check that the pokedex tool finds your
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favorite pokémon::
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$ pokedex lookup eevee
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Yes, that was a bit anti-climatic. The command-line tool doesn't do much,
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currently.
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.. _Git: http://git-scm.com/
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.. _Python: http://www.python.org/
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.. _pip: http://pypi.python.org/pypi/pip
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.. _SQLAlchemy: www.sqlalchemy.org/
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.. _`Python markdown`: http://www.freewisdom.org/projects/python-markdown/
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.. _Whoosh: http://whoosh.ca/
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.. _construct: pypi.python.org/pypi/construct
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.. _virtualenv: http://www.virtualenv.org/en/latest/
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.. _`SQLAlchemy engine`: http://www.sqlalchemy.org/docs/core/engines.html
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.. rubric:: Footnotes
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.. [#] If you write instructions for another OS, well be happy to include them
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here. The reason your OS is not listed here is because the author doesn't
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use it, so naturally he can't write instructions for it.
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