add missing data_files for labextension

Author: minrk

.github/workflows/release.yml

@@ -30,10 +30,12 @@ jobs:
       - name: verify wheel
         run: |
           cd dist
-          pip install ./*.whl
+          pip install ./*.whl jupyterlab==3.*
           ipcluster --help-all
           ipcontroller --help-all
           ipengine --help-all
+          jupyter labextension list 2>&1 | grep ipyparallel
+          jupyter server extension list 2>&1 | grep ipyparallel
 
       - name: Publish to PyPI
         if: startsWith(github.ref, 'refs/tags/')

setup.py

@@ -61,13 +61,17 @@ def run(self):
     readme = f.read()
 
 try:
-    from jupyter_packaging import wrap_installers, npm_builder
+    from jupyter_packaging import wrap_installers, npm_builder, get_data_files
+
+    data_files = get_data_files(data_files_spec)
 
     builder = npm_builder()
     cmdclass = wrap_installers(pre_develop=builder, pre_dist=builder)
 except ImportError:
     from setuptools.command.build_py import build_py
 
+    data_files = {}  # ignored
+
     class NeedsJupyterPackaging(build_py):
         def run(self):
             raise ImportError(
@@ -87,11 +91,12 @@ def run(self):
     version=version_ns["__version__"],
     packages=setuptools.find_packages(),
     description="Interactive Parallel Computing with IPython",
+    data_files=data_files,
     long_description=readme,
     long_description_content_type="text/markdown",
     author="IPython Development Team",
     author_email="[email protected]",
-    url="http://ipython.org",
+    url="https://ipython.org",
     license="BSD",
     platforms="Linux, Mac OS X, Windows",
     keywords=["Interactive", "Interpreter", "Shell", "Parallel"],