install_requires=["setuptools"], in setup.py is wrong

[socketpair]

Actually, setuptools is dev-requirement. It's required only to build the package.

It's not required for Cerberus to work when it is installed.

Please remove this from requirements becuse it adds extra packaes in target systems. For example, Fedora's python3-cerberus depends on python3-setuptools, which is very bad.

[socketpair]

I figured out.

cerberus/__init__.py contains code:

try:
    __version__ = get_distribution("Cerberus").version
except DistributionNotFound:
    __version__ = "unknown"

It's painfully slow (200 ms) on systems where many packages installed. This place needs to be patched.

[socketpair]

skorokithakis/shortuuid#59 same shit

pkg_resources is deprecated

please either remove dynamic __version__ setup (better) or change to importlib.metadata

[socketpair]

pypa/setuptools#926

[funkyfuture]

thanks, this is a duplicate of #579