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====== Installing Crazyflie client with macPorts ======

This procedure has been tested on a just-installed Yosemite installation. Commands in code blocks have to be executed in a terminal window.

===== Prerequisite =====

Download and install macport installer from https://www.macports.org/install.php

Install the command line developer tools:

<code>
xcode-select --install
</code>

I found that installing only the command line developer tools is enough for Crazyflie client dependencies. However installing Xcode seems to be recommended. I installed the command line developer tools:

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Update mac ports

<code>
sudo port selfupdate
</code>

Update already installed ports (none on a fresh installation)

<code>
sudo port upgrade outdated
</code>

===== Mandatory dependencies =====
Install Crazyflie client dependencies

<code>
sudo port install libusb python27 py27-pyusb py27-SDL2 py27-pyqt4
</code>

Most but not all packages are pre-compiled so this installation takes some time. It took about 12 minutes for me, YMMV.

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Now you are able to clone and run the Crazyflie client!

<code>
cd Documents
git clone https://github.com/bitcraze/crazyflie-clients-python
cd crazyflie-clients-python
/opt/local/bin/python2.7 bin/cfclient
</code>

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===== Optional dependencies =====

If you want to use the plotter tab, to graph in real time Crazyflie log variables, you need to install pyqtgraph. It installs a lot of dependencies and took about 5 minutes (The ports install time varies a lot depending on how many ports are pre-compiled):

<code>
sudo port install py27-pyqtgraph
</code>

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You can now access the plotter tab:

<code>
/opt/local/bin/python2.7 bin/cfclient
</code>

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===== Troubleshooting =====