refactor: pull out hdf5 backend (in uhi now)

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Author: henryiii

.github/workflows/tests.yml

@@ -61,11 +61,8 @@ jobs:
         include:
           - python-version: "3.9"
             cmake-extras: "-DCMAKE_CXX_STANDARD=17"
-            extras: h5py
           - python-version: "3.11"
-            extras: h5py
           - python-version: "3.13"
-            extras: h5py
           - python-version: "3.13t"
           - python-version: "pypy3.10"
 
@@ -90,11 +87,7 @@ jobs:
           create-symlink: true
 
       - name: Install python tools
-        run: uv pip install --system --python=python --group github ${{ matrix.extras }}
-
-      - name: Also install hdf5 if supported
-        if: matrix.python-version == '3.11' || matrix.python-version == '3.13'
-        run: uv pip install --system --python=python h5py
+        run: uv pip install --system --python=python --group github
 
       - name: Configure
         run: cmake --preset default ${{ matrix.cmake-extras }}

noxfile.py

@@ -114,7 +114,7 @@ def pylint(session: nox.Session) -> None:
     """
 
     session.install("pylint==3.3.*")
-    session.install("-e.[hdf5]")
+    session.install("-e.")
     session.run("pylint", "boost_histogram", *session.posargs)
 
 

pyproject.toml

@@ -60,9 +60,6 @@ Discussions = "https://github.com/scikit-hep/boost-histogram/discussions"
 Documentation = "https://boost-histogram.readthedocs.io/"
 Homepage = "https://github.com/scikit-hep/boost-histogram"
 
-[project.optional-dependencies]
-hdf5 = ["h5py"]
-
 
 [dependency-groups]
 dev = [