Add py.typed file

Author: mx-moth

.github/workflows/ci.yaml

@@ -26,6 +26,10 @@ jobs:
         with:
           python-version: ${{ env.python-version }}
 
+      - name: "Check py.typed file is included in wheel"
+        shell: bash -l {0}
+        run: unzip -l dist/*.whl | grep -q py.typed
+
   test:
     runs-on: ubuntu-latest
     timeout-minutes: 10

docs/releases/development.rst

@@ -12,3 +12,4 @@ Next release (in development)
 * Add :attr:`.Convention.bounds` and :attr:`.Convention.geometry` attributes (:pr:`83`).
 * Fix a number of numpy warnings about unsafe casts (:pr:`85`).
 * Follow CF Conventions properly when finding latitude / longitude coordinate variables (:issue:`84`, :pr:`86`)
+* Include a ``py.typed`` file in built packages (:issue:`80`, :pr:`87`).

setup.cfg

@@ -35,6 +35,9 @@ install_requires =
 where = src
 include = emsarray*
 
+[options.package_data]
+emsarray = py.typed
+
 [options.extras_require]
 plot =
 	cartopy >=0.21.1