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Conda Recipes for OpenAlea

OpenAlea depends on a very large number of heterogeneous packages, in C++ and Python. Some of these packages are provided by Conda (MinGW, Qt, PyQt, sip, boost).

For the packages that aren't provided by conda, we use the recipes provided by this repository. We provide also some packages available in conda, to have homogeneous compiler flags (C++11, ...).

Contents

Installing openalea for development

Here's how to install everything you need to develop openalea.

  1. Prerequisite: Install Miniconda
# Install miniconda to the prefix of your choice, e.g. /my/miniconda

# LINUX:
wget https://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh
bash Miniconda-latest-Linux-x86_64.sh

# MAC:
wget https://repo.continuum.io/miniconda/Miniconda-latest-MacOSX-x86_64.sh
bash Miniconda-latest-MacOSX-x86_64.sh

# Windows:
powershell "$client = new-object System.Net.WebClient; $client.DownloadFile(\"https://repo.continuum.io/miniconda/Miniconda2-latest-Windows-x86_64.exe\", \"Miniconda2-latest-Windows-x86_64.exe\")"
Miniconda2-latest-Windows-x86_64.exe

# Activate conda
CONDA_ROOT=`conda info --root`
source ${CONDA_ROOT}/bin/activate root

Appendix: Writing a new recipe

The conda documentation explains in detail how to create a new package, but here's a quick summary:

  1. Prerequisite: Install conda-build
source activate root
conda install conda-build
  1. Create recipe files

Add a directory to this repo:

cd openalea-recipes
mkdir somepackage
cd somepackage

A complete recipe has at least 3 files:

  • meta.yaml
  • build.sh (used for both Mac and Linux)
  • bld.bat (used for Windows)

...additional files (such as patches) may be needed for some recipes.

Write meta.yaml:

$ cat meta.yaml
package:
  name: somepackage
  version: 1.2.3

source:
  fn: somepackage-1.2.3.tar.bz2
  url: http://www.randompackages.org/somepackage/somepackage-1.2.3.tar.bz2
  md5: b060bb137d6bd8accf8f0c4c59d2746d

requirements:
  build:
    - zlib
    - python
  run:
    - zlib
    - python

about:
  home: http://www.somepackage.com
  license: WYSIWYG v3

Write build.sh:

$ cat build.sh
# configure, make, and install
configure --prefix=$PREFIX --with-zlib=$PREFIX
make -j${CPU_COUNT}
make install

Write bld.bat:

$ cat bld.bat
mkdir build
cd build

REM Configure step
cmake -DCMAKE_PREFIX_PATH=%LIBRARY_PREFIX% -DCMAKE_INSTALL_PREFIX=%LIBRARY_PREFIX% -DCMAKE_BUILD_TYPE=Release %SRC_DIR%

REM Build step
devenv SomePackage.sln /Build "%RELEASE_TARGET%"
if errorlevel 1 exit 1

REM Install step
devenv SomePackage.sln /Build "%RELEASE_TARGET%" /Project INSTALL
if errorlevel 1 exit 1
  1. Build the package
# Switch back to the `openalea-recipes` directory
$ cd ../

# Build the package
$ conda build somepackage
  1. Upload the package to your anaconda channel.
conda install anaconda-client

# Upload to your personal channel:
anaconda upload /my/miniconda/conda-bld/osx-64/somepackage-1.2.3-0.tar.bz2

# Or to openalea's anaconda channel:
anaconda upload -u openalea /my/miniconda/conda-bld/osx-64/somepackage-1.2.3-0.tar.bz2