Add initial Sphinx docs infrastructure

.github/workflows/checks.yml

@@ -104,3 +104,7 @@ jobs:
           name: coverage-report-${{ matrix.os }}
           path: coverage.xml
           if-no-files-found: error
+      - name: Build Sphinx docs
+        if: matrix.install-mode == 'dev'
+        run: |
+          make -C docs html

.readthedocs.yaml

@@ -0,0 +1,19 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+    fail_on_warning: true
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+python:
+  install:
+   - requirements: requirements-dev.txt

docs/Makefile

@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/conf.py

@@ -0,0 +1,67 @@
+from importlib import metadata
+
+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Project information -----------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
+
+project = "IDAES Flowsheet Processor"
+copyright = "2024, WaterTAP"
+author = "WaterTAP"
+
+release = version = metadata.version("idaes-flowsheet-processor")
+
+# -- General configuration ---------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
+
+extensions = [
+    "sphinx_rtd_theme",
+    "sphinx.ext.doctest",
+    "sphinx.ext.napoleon",
+    "autoapi.extension",
+    "sphinx.ext.intersphinx",
+]
+suppress_warnings = []
+
+templates_path = ["_templates"]
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+
+# see https://sphinx-autoapi.readthedocs.io/en/latest/reference/config.html
+autoapi_dirs = ["../src"]
+autoapi_root = "technical_reference"
+autoapi_options = [
+    "members",
+    "undoc-members",
+    "show-module-summary",
+]
+# set to True to save the autogenerated
+autoapi_keep_files = False
+autoapi_ignore = ["*conftest.py", "*test_*.py", "*tests/*.py", "*_testing/*.py"]
+# suppress_warnings += ["autoapi.python_import_resolution"]
+
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3", None),
+    "pyomo": ("https://pyomo.readthedocs.io/en/stable", None),
+    "numpy": ("https://numpy.org/doc/stable", None),
+    "idaes": ("https://idaes-pse.readthedocs.io/en/stable", None),
+    "watertap": ("https://watertap.readthedocs.io/en/latest", None),
+    "prommis": ("https://prommis.readthedocs.io/en/latest", None),
+}
+
+
+def _skip_tests(app, what: str, name: str, obj, skip, options):
+    return skip
+
+
+def setup(sphinx):
+    sphinx.connect("autoapi-skip-member", _skip_tests)
+
+
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
+
+html_theme = "sphinx_rtd_theme"
+html_static_path = []

docs/index.rst

@@ -0,0 +1,12 @@
+IDAES Flowsheet Processor
+=========================
+
+Contents
+--------
+
+.. toctree::
+   :maxdepth: 3
+
+   technical_reference/index
+
+* :ref:`genindex`

docs/make.bat

@@ -0,0 +1,35 @@
+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=.
+set BUILDDIR=_build
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.https://www.sphinx-doc.org/
+	exit /b 1
+)
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+
+:end
+popd

requirements-dev.txt

@@ -1,4 +1,9 @@
 black==24.8.0
 pytest-cov==5.0.*
 
+Sphinx==7.1.2 ; python_version < '3.9'
+Sphinx==7.3.7 ; python_version >= '3.9'
+sphinx-autoapi==3.0.0
+sphinx-rtd-theme==2.0.0
+
 --editable .[testing]