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# Installation

## Requirements

> - Python 2.6, 2.7, or 3.3
> - Exempi 2.2.0+
> - Linux or OS X (see notes below for Windows)

## Python XMP Toolkit

The short version of installation is:

    python setup.py install

or if you use pip:

    pip install python-xmp-toolkit

Note, in case you haven’t installed Exempi you will get an `ExempiLoadError` exception once you try to load `libxmp`.

## Exempi

Python XMP Toolkit requires Exempi 2.2.0 or higher which can be downloaded from http://libopenraw.freedesktop.org/wiki/Exempi. It is probably already installed if you are working on linux.

To install Exempi, unpack the distribution and run:

    ./configure
    make
    sudo make install

Versions below 2.2.0 will not work. Note, Exempi may also be available in your systems package manager, e.g.:

    sudo apt-get install libexempi3  # (Ubuntu/Debian)
    brew install exempi  # (Homebrew on OS X)

## Mac OS X

Note Exempi requires boost (http://www.boost.org/) to compile, so on OS X you probably need to run configure with one of the following options:

    ./configure --with-boost=/usr/local # (for Homebrew)
    ./configure --with-darwinports
    ./configure --with-fink

## Windows

The library has not been tested on Windows, and nor has any serious effort been made to test it. Hence, developers wanting to use the library on Windows are encouraged to try it out and let us know if it works.

The library ought to work on Windows, if Exempi can be compiled as a DLL using e.g. Cygwin.

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