![]() Note that, at present, we have built wheels for Python 3.4 and 3.5 - we’re planning to add support for Python 3.6 and 2.7. Moreover, we’ll keep building new packages as they are released. We currently provide over 670 000 wheels for more than 96 000 packages, all compiled natively on Raspberry Pi hardware. If you come across any issues with any packages from piwheels, please let us know in a GitHub issue. Most pip usage will require sudo pip3 install, which installs at a system level. If a new package or version is released, piwheels will automatically pick it up and add it to the build queue.įor the users unfamiliar with virtual environments I should mention that doing this isn’t a requirement - just an easy way of testing installations in a sandbox. Next it looks for a Python version and architecture match, and then opts for a wheel over a source distribution. From this list of files, it determines the latest version available. Then it searches both indexes for available files. ![]() ![]() You’ll see that pip discovers two indexes to search: 2 location(s) to search for versions of numpy: If you’re interested to see the details, try pip install numpy -v for verbose output. This takes about 20 minutes on a Pi 3, 2.5 hours on a Pi 1, or just a few seconds on either if you use piwheels. Try it for yourself in a virtual environment: sudo apt install virtualenv python3-virtualenv -y And now, every time you pip install something, your files come from a web server running on a Raspberry Pi (that capable little machine)! You’ll find that pip installs are much faster now! If you want to use piwheels on Raspbian Jessie, that’s possible too - find the instructions in our FAQs. Just run sudo apt upgrade to get the configuration change. The pip package in Raspbian Stretch is configured to use piwheels as an additional index, so it falls back to PyPI if we’re missing a package. ![]() Now that the piwheels package repository is running as a service, hosted on a Pi 3 in the Mythic Beasts data centre in London. However, if you’re in a virtual environment, or you need a more recent version than the one packaged for Debian, you need pip. You might also be thinking “Why don’t you just apt install python3-numpy?” It’s true that some Python packages are distributed via the Raspbian/Debian archives too. Plus, you know, I wanted to eat my own dog food. I had easy access to the Pis, and it really didn’t take all that long. ![]() Now, you might be thinking “Why didn’t you just cross-compile?” I really wanted to have full compatibility, and building natively on Pis seemed to be the best way to achieve that. The wonderful piwheels monitor interface created by Dave ![]()
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