Expert Python Programming - Third Edition

PyPI mirroring

The problem of PyPI outages can be somehow mitigated by allowing the installation tools to download packages from one of its mirrors. In fact, the official Python Package Index is already served through Content Delivery Network (CDN), so it is intrinsically mirrored. This does not change the fact that it seems to have some bad days from time to time. Using unofficial mirrors is not a solution here because it might raise some security concerns.

The best solution is to have your own PyPI mirror that will have all of the packages you need. The only party that will use it is you, so it will be much easier to ensure proper availability. The other advantage is that whenever this service goes down, you don't need to rely on someone ...