Change the doc theme to Alabaster

Fixes #166

changelog.d/166.misc.rst

@@ -0,0 +1 @@
+* Changed the documentation theme to Alabaster

doc/conf.py

@@ -12,12 +12,12 @@
 # serve to show the default.
 
 import sys, os
-import sphinx_rtd_theme
+import alabaster
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath(".."))
+sys.path.insert(0, os.path.abspath("../src"))
 
 from hamcrest import __version__
 
@@ -28,9 +28,10 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ["sphinx.ext.autodoc", "sphinx.ext.intersphinx"]
+extensions = ["sphinx.ext.autodoc", "sphinx.ext.intersphinx", "alabaster"]
 
 autodoc_default_options = {"members": None, "show-inheritance": None}
+autodoc_typehints = "description"
 intersphinx_mapping = {"python": ("http://docs.python.org/3", None)}
 
 # Add any paths that contain templates here, relative to this directory.
@@ -53,10 +54,11 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
-# The short X.Y version.
-version = __version__
 # The full version, including alpha/beta/rc tags.
-release = __version__
+version = __version__
+
+# The short X.Y version.
+release = ".".join(version.split(".")[:2])
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -97,7 +99,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = "sphinx_rtd_theme"
+html_theme = "alabaster"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -106,7 +108,7 @@
 
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+html_theme_path = [alabaster.get_path()]
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".

setup.py

@@ -31,7 +31,7 @@ def read(fname):
 
 assert __version__ is not None
 
-REQUIREMENTS_DOCS = ["sphinx~=3.0", "sphinx_rtd_theme~=0.4"]
+REQUIREMENTS_DOCS = ["sphinx~=3.0", "alabaster~=0.7"]
 TESTS_BASIC = ["pytest>=5.0", "pytest-sugar", "coverage"]
 TESTS_NUMPY = ["numpy"]
 DEV_TOOLS = [