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#Horus development in Mac OS X

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If you are a developer and you want to modify the code, contribute, build packages, etc. you may follow this steps

1. Set up the environment

Tools

Install FTDI driver

Atom IDE

Download open source Atom code editor.

Install Homebrew

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Git version control

brew install git

Python

Install non-system, framework-based, universal Python. Not with brew.

Python tools

pip install -U pip setuptools
pip install -U virtualenv

Dependencies

First you need to configure a virtualenv

virtualenv $HOME/venv

In order to use wxPython from the virtualenv this hack is needed

cp `which python` $HOME/venv/bin/python;
echo 'export PYTHONHOME=$HOME/venv' >> $HOME/venv/bin/activate;
source $HOME/venv/bin/activate

Then, you can install the python dependencies into the virtualenv

OpenCV

brew tap homebrew/science
brew info opencv
brew install opencv
ln -s /usr/local/Cellar/opencv/2.4.12_2/lib/python2.7/site-packages/cv.py $HOME/venv/lib/python2.7/site-packages;
ln -s /usr/local/Cellar/opencv/2.4.12_2/lib/python2.7/site-packages/cv2.so $HOME/venv/lib/python2.7/site-packages

wxPython

brew install wxpython
ln -s /usr/local/Cellar/wxpython/3.0.2.0/lib/python2.7/site-packages/wx* $HOME/venv/lib/python2.7/site-packages

Python modules

pip install -U pyserial pyopengl pyopengl-accelerate numpy scipy matplotlib==1.4.0
Pyobjc QTKit
  • Install Xcode.app. Then, switch xcode commands and accept the xcodebuild license
sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
sudo xcodebuild
  • Downgrade setuptools
pip install -U setuptools==3.4
  • Install qtkit 2.5.1
pip install -U pyobjc-core==2.5.1
pip install -U pyobjc-framework-cocoa==2.5.1
pip install -U pyobjc-framework-quartz==2.5.1
pip install -U pyobjc-framework-qtkit==2.5.1
  • Restore setuptools
pip install -U setuptools

In order to generate dmg package, some extra dependencies are needed

Packaging dependencies

pip install -U py2app==0.7.2

Also some patches are needed to make py2app work

cd $HOME/venv/lib/python2.7/site-packages/py2app/recipes;

sed -i '' 's/scan_code/_scan_code/g' virtualenv.py;
sed -i '' 's/load_module/_load_module/g' virtualenv.py;

cd $HOME/venv/lib/python2.7/site-packages/macholib;

sed -i '' 's/loader=loader.filename/loader_path=loader.filename/g' MachOGraph.py

To reduce the package size, "tests" directories must be removed

cd $HOME/venv/lib/python2.7/site-packages;
find . -name tests -type d -exec rm -r {} +

2. Download source code

All source code is available on GitHub. You can download main Horus project by doing:

Horus

git clone https://github.com/bq/horus.git
cd horus

3. Execute source code

In the project directory, execute the command:

./horus

4. Build packages

Horus development comes with a script package.sh. This script generates a final release package. You should not need it during development, unless you are changing the release process. If you want to distribute your own version of Horus, then the package.sh script will allow you to do that.

bash package.sh darwin  # Generate dmg package