Press conda packages into wheels
Press conda packages into wheels.
The wheels created by conda-press are usable in a general Python setting, i.e. outside of a conda managed environment.
conda press command and point it at either an artifact
file or spec. For example:
# from artifact spec, produces single wheel, including all non-Python requirements $ conda press --subdir linux-64 --skip-python --fatten scikit-image=0.15.0=py37hb3f55d8_2 # from artifact file, produces a single wheel $ conda press numpy-1.14.6-py36he5ce36f_1201.tar.bz2 # from artifact spec, produces wheels for package and all requirements $ conda press --subdir linux-64 xz=5.2.4=h14c3975_1001 # merge many wheels into a single wheel $ conda press --merge *.whl --output scikit_image-0.15.0-2_py37hb3f55d8-cp37-cp37m-linux_x86_64.whl
What we are solving
conda-press allows us to build out a pip-usable package index which is ABI compatible with conda packages. This can help address the following issues / workflows:
It can be very difficult to build wheels for packages that have C extensions. Also, the provenance of wheels with C extentions can be hard to know (who built it, how it was built, etc.). Conda-press enables community building of wheels, based on conda-forge provided packages. This should make it very easy to build a valid wheel.
Many packages with compiled extensions do not have wheels available on one or more popular platforms (Windows, Mac, Linux). This is because building wheels can be very difficult. Conda has a lot of packages that are not available as wheels otherwise. Conda-press allows these packages to easily become generally usable wheels.
Issue 3: Some people want a package index built on newer ABIs than
How to install
conda install -c conda-forge conda-press
From the source code:
$ pip install --no-deps .
More technical details about what we are doing
What conda-press does is take an artifact or spec, and turn it into wheel(s). When using pip to install such a wheel, it shoves the root level of the artifact into site-packages. It then provides wrapper / proxy scripts that point to site-packages/bin so that you may run executables and scripts.
How to get involved
Please feel free to open up a PR or open an issue!
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
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