PEP 517 specifies a standard API for systems which build Python packages.
This package contains wrappers around the hooks specified by PEP 517. It
provides:
* A mechanism to call the hooks in a subprocess, so they are isolated from the
current process.
* Fallbacks for the optional hooks, so that frontends can call the hooks
without checking which are defined.
* Higher-level functions which install the build dependencies into a temporary
environment and build a wheel/sdist using them.
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