From 3c453703671887617a9e0e2198089506ac4cad0a Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 13 Nov 2020 04:30:47 +0000
Subject: Use importlib_metadata instead of pkg_resources.

---
 nmigen_boards/__init__.py | 14 ++++++++++----
 setup.py                  |  1 +
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/nmigen_boards/__init__.py b/nmigen_boards/__init__.py
index 3d136b5..6eb2e59 100644
--- a/nmigen_boards/__init__.py
+++ b/nmigen_boards/__init__.py
@@ -1,5 +1,11 @@
-import pkg_resources
 try:
-    __version__ = pkg_resources.get_distribution(__name__).version
-except pkg_resources.DistributionNotFound:
-    pass
+    try:
+        from importlib import metadata as importlib_metadata # py3.8+ stdlib
+    except ImportError:
+        import importlib_metadata # py3.7- shim
+    __version__ = importlib_metadata.version(__package__)
+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__ = "unknown" # :nocov:
diff --git a/setup.py b/setup.py
index 00ae4a7..7aa6ef3 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,7 @@ setup(
     setup_requires=["wheel", "setuptools", "setuptools_scm"],
     install_requires=[
         "nmigen>=0.2,<0.4",
+        "importlib_metadata; python_version<'3.8'",
     ],
     packages=find_packages(),
     project_urls={
-- 
cgit v1.2.3