lazily.py

We have moved to https://codeberg.org/KOLANICH-libs/lazily.py (the namespace has changed to KFmts, which groups packages related to parsing or serialization), grab new versions there.

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Imports lazily. Supports hooks.

Useful when some long loading packages are optional to use by your app, so you don't want to spend time on loading them every time. The arguments are the same as in importlib.import_module.

Requirements

• lazy_object_proxy It hooks into cpython and can catch more kinds of actual using of the object than any pure python implementation.

import freeLunch # ModuleNotFoundError: No module named 'freeLunch'

from lazily import freeLunch

freeLunch.consume() # ModuleNotFoundError: No module named 'freeLunch'

There is a hooks mechanics, but it is a bit broken, don't use for now:

import lazily
def bar():
	raise ImportError("There ain't no such thing as a free lunch.")
lazily.hooks["freeLunch"] = bar
freeLunch = lazily.lazily("freeLunch")

freeLunch.consume() # ImportError: There ain't no such thing as a free lunch.

Obviously, * in fromlist is UB, as it relies on __all__, so _bootstrap.py in CPython impl tries to read it.