fix pip check for optional dependencies (#321)

* fix pip check for optional dependencies

* remove nglview

Author: jan-janssen

.ci_support/check.py

@@ -0,0 +1,16 @@
+import tomlkit
+
+
+if __name__ == "__main__":
+    with open("pyproject.toml", "r") as f:
+        data = tomlkit.load(f)
+
+    lst = []
+    for sub_lst in data["project"]["optional-dependencies"].values():
+        for el in sub_lst:
+            lst.append(el)
+
+    data["project"]["dependencies"] += [el for el in set(lst) if not el.startswith("nglview")]
+
+    with open("pyproject.toml", "w") as f:
+        f.writelines(tomlkit.dumps(data))

.github/workflows/pipeline.yml

@@ -80,7 +80,9 @@ jobs:
     - name: Pip check
       shell: bash -l {0}
       run: |
-        pip install versioneer[toml]==0.29
+        pip install versioneer[toml]==0.29 tomlkit
+        python .ci_support/check.py
+        cat pyproject.toml
         pip install . --no-deps --no-build-isolation
         python -m pip check