Updates from the package template

.cruft.json

@@ -1,6 +1,6 @@
 {
   "template": "https://github.com/sunpy/package-template",
-  "commit": "dd830771f0bb01d5313912e0082f3434715e474a",
+  "commit": "7b0225e0a206b7b6249752991334dea7e9ffcfd4",
   "checkout": null,
   "context": {
     "cookiecutter": {

docs/conf.py

@@ -8,7 +8,7 @@
 from matplotlib import MatplotlibDeprecationWarning
 from packaging.version import Version
 
-# -- Read the Docs Specific Configuration
+# -- Read the Docs Specific Configuration ------------------------------------
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 if on_rtd:
     os.environ['HIDE_PARFIVE_PROGESS'] = 'True'
@@ -57,33 +57,26 @@
     "sphinxext.opengraph",
 ]
 
-# -- Sphinxext Opengraph
-ogp_image = "https://github.com/sunpy/ndcube/raw/main/docs/logo/ndcube.png"
-ogp_use_first_image = True
-ogp_description_length = 160
-ogp_custom_meta_tags = [
-    '<meta property="og:ignore_canonical" content="true" />',
-]
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
-source_suffix = '.rst'
-master_doc = 'index'
+# Add any paths that contain templates here, relative to this directory.
+# templates_path = ["_templates"]  # NOQA: ERA001
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This pattern also affects html_static_path and html_extra_path.
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+
+# The suffix(es) of source filenames.
+# You can specify multiple suffix as a list of string:
+source_suffix = ".rst"
+
+# The master toctree document.
+master_doc = "index"
+
 # Treat everything in single ` as a Python reference.
 default_role = "py:obj"
-napoleon_use_rtype = False
-napoleon_google_docstring = False
-napoleon_use_param = False
-# TODO: Enable this in future.
-nitpicky = True
-# This is not used. See docs/nitpick-exceptions file for the actual listing.
-nitpick_ignore = []
-for line in open('nitpick-exceptions'):
-    if line.strip() == "" or line.startswith("#"):
-        continue
-    dtype, target = line.split(None, 1)
-    target = target.strip()
-    nitpick_ignore.append((dtype, target))
 
-# -- Options for intersphinx extension
+# -- Options for intersphinx extension ---------------------------------------
+
 intersphinx_mapping = {
     'python': ('https://docs.python.org/3/',
                (None, 'http://data.astropy.org/intersphinx/python3.inv')),
@@ -98,22 +91,60 @@
     'reproject': ("https://reproject.readthedocs.io/en/stable/", None)
     }
 
-# -- Options for HTML output
+# -- Options for HTML output -------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
 html_theme = "sunpy"
+
 html_logo = png_icon = 'logo/ndcube.png'
+
 html_favicon = 'logo/favicon.png'
-graphviz_output_format = 'svg'
+
+# Render inheritance diagrams in SVG
+graphviz_output_format = "svg"
+
 graphviz_dot_args = [
-    '-Nfontsize=10',
-    '-Nfontname=Helvetica Neue, Helvetica, Arial, sans-serif',
-    '-Efontsize=10',
-    '-Efontname=Helvetica Neue, Helvetica, Arial, sans-serif',
-    '-Gfontsize=10',
-    '-Gfontname=Helvetica Neue, Helvetica, Arial, sans-serif'
+    "-Nfontsize=10",
+    "-Nfontname=Helvetica Neue, Helvetica, Arial, sans-serif",
+    "-Efontsize=10",
+    "-Efontname=Helvetica Neue, Helvetica, Arial, sans-serif",
+    "-Gfontsize=10",
+    "-Gfontname=Helvetica Neue, Helvetica, Arial, sans-serif",
 ]
 
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+# html_static_path = ["_static"]  # NOQA: ERA001
+
+# By default, when rendering docstrings for classes, sphinx.ext.autodoc will
+# make docs with the class-level docstring and the class-method docstrings,
+# but not the __init__ docstring, which often contains the parameters to
+# class constructors across the scientific Python ecosystem. The option below
+# will append the __init__ docstring to the class-level docstring when rendering
+# the docs. For more options, see:
+# https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html#confval-autoclass_content
+autoclass_content = "both"
+
+# -- Other options ----------------------------------------------------------
+
+napoleon_use_rtype = False
+napoleon_google_docstring = False
+napoleon_use_param = False
+
+nitpicky = True
+# This is not used. See docs/nitpick-exceptions file for the actual listing.
+nitpick_ignore = []
+for line in open('nitpick-exceptions'):
+    if line.strip() == "" or line.startswith("#"):
+        continue
+    dtype, target = line.split(None, 1)
+    target = target.strip()
+    nitpick_ignore.append((dtype, target))
+
+# -- Sphinx Gallery ---------------------------------------------------------
 
-# -- Sphinx Gallery
 sphinx_gallery_conf = {
     'backreferences_dir': os.path.join('generated', 'modules'),
     'filename_pattern': '^((?!skip_).)*$',
@@ -128,3 +159,12 @@
     'doc_module': ('ndcube'),
     'only_warn_on_example_error': True,
 }
+
+# -- Sphinxext Opengraph ----------------------------------------------------
+
+ogp_image = "https://github.com/sunpy/ndcube/raw/main/docs/logo/ndcube.png"
+ogp_use_first_image = True
+ogp_description_length = 160
+ogp_custom_meta_tags = [
+    '<meta property="og:ignore_canonical" content="true" />',
+]

ndcube/_dev/__init__.py

@@ -1,5 +1,5 @@
 """
-This package contains utilities that are only used when developing ndcube in a
+This package contains utilities that are only used when developing in a
 copy of the source repository.
 
 These files are not installed, and should not be assumed to exist at