Add __version__ (#208)

Co-authored-by: Anderson Banihirwe <axbanihirwe@ualr.edu>
xarray-contrib · Apr 20, 2021 · fb352cf · fb352cf
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diff --git a/cf_xarray/__init__.py b/cf_xarray/__init__.py
@@ -1,2 +1,10 @@
+from pkg_resources import DistributionNotFound, get_distribution
+
 from .accessor import CFAccessor  # noqa
 from .helpers import bounds_to_vertices, vertices_to_bounds  # noqa
+
+try:
+    __version__ = get_distribution("cf_xarray").version
+except DistributionNotFound:
+    # package is not installed
+    __version__ = 'unknown'
diff --git a/setup.cfg b/setup.cfg
@@ -41,7 +41,7 @@ skip_gitignore = true
 force_to_top = true
 default_section = THIRDPARTY
 known_first_party = cf_xarray
-known_third_party = dask,matplotlib,numpy,pandas,pytest,setuptools,sphinx_autosummary_accessors,xarray
+known_third_party = dask,matplotlib,numpy,pandas,pkg_resources,pytest,setuptools,sphinx_autosummary_accessors,xarray
 
 # Most of the numerical computing stack doesn't have type annotations yet.
 [mypy-affine.*]