MNT: Update ACT to use setuptools-scm

.github/workflows/build-docs.yml

@@ -30,6 +30,10 @@ jobs:
           environment-name: act-docs
           cache-downloads: true
 
+      - name: Fetch all history for all tags and branches
+        run: |
+           git fetch --prune --unshallow
+
       - name: Install ACT
         run: |
           pip install -e . --no-deps --force-reinstall

.github/workflows/ci.yml

@@ -45,6 +45,10 @@ jobs:
           environment-name: act_env
           micromamba-version: 1.5.10-0
 
+      - name: Fetch all history for all tags and branches
+        run: |
+           git fetch --prune --unshallow
+
       - name: Install ACT
         run: |
           python -m pip install -e . --no-deps --force-reinstall

act/__init__.py

@@ -4,13 +4,13 @@
 
 """
 
+import importlib.metadata as _importlib_metadata
+
 import lazy_loader as lazy
 
 # No more pandas warnings
 from pandas.plotting import register_matplotlib_converters
 
-from ._version import get_versions
-
 register_matplotlib_converters()
 
 # Import early so these classes are available to the object
@@ -29,6 +29,9 @@
 ]
 __getattr__, __dir__, _ = lazy.attach(__name__, submodules)
 
-# Version for source builds
-vdict = get_versions()
-__version__ = vdict['version']
+# Get the version
+try:
+    __version__ = _importlib_metadata.version("act-atmos")
+except _importlib_metadata.PackageNotFoundError:
+    # package is not installed
+    __version__ = "0.0.0"