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Bring __version__ retrieval up to date. NFCI

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Because `importlib.metadata.PackageNotFoundError` inherits from
`ImportError`, the code did not previously work in the way that was
stated in the comment. We should probably deprecate `__version__`
entirely at some point.
This commit is contained in:
Catherine 2023-08-16 14:00:40 +00:00
parent 012f12339d
commit 20e8bbdfbd
1 changed files with 8 additions and 7 deletions
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15
amaranth/__init__.py
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@ -1,12 +1,13 @@
# Extract version for this package from the environment package metadata. This used to be a lot
# more difficult in earlier Python versions, and the `__version__` field is a legacy of that time.
import importlib.metadata
try:
from importlib import metadata as importlib_metadata
__version__ = importlib_metadata.version(__package__)
del importlib_metadata
except ImportError:
# No importlib_metadata. This shouldn't normally happen, but some people prefer not installing
# packages via pip at all, instead using PYTHONPATH directly or copying the package files into
# `lib/pythonX.Y/site-packages`. Although not a recommended way, we still try to support it.
__version__ = importlib.metadata.version(__package__)
except importlib.metadata.PackageNotFoundError:
# No importlib metadata for this package. This shouldn't normally happen, but some people
# prefer not installing packages via pip at all. Although not recommended we still support it.
__version__ = "unknown" # :nocov:
del importlib
from .hdl import *