build documentation with tox

.gitignore

@@ -4,7 +4,7 @@ develop-eggs
 parts
 .installed.cfg
 build
-docs/_build
+doc/_build
 __pycache__
 *.pyc
 *.so

.travis.yml

@@ -23,6 +23,7 @@ install:
 script:
     - if [[ $TRAVIS_PYTHON_VERSION != pypy* ]]; then bin/coverage run bin/coverage-test -v; fi
     - if [[ $TRAVIS_PYTHON_VERSION == pypy* ]]; then bin/test -v; fi
+    - if [[ $TRAVIS_PYTHON_VERSION != pypy3* ]]; then pip install --upgrade --requirement doc/requirements.txt; fi
     - if [[ $TRAVIS_PYTHON_VERSION != pypy3* ]]; then make -C doc html; fi
     - if [[ $TRAVIS_PYTHON_VERSION != pypy* ]]; then pip install coveralls; fi # install early enough to get into the cache
 after_success:

buildout.cfg

@@ -53,7 +53,9 @@ interpreter = py
 eggs = Sphinx
 
 [sphinx_egg:python2 or python34]
-eggs = Sphinx < 2
+eggs =
+    Sphinx < 2
+    pygments < 2.6
 
 [sphinx]
 recipe = zc.recipe.egg

doc/conf.py

@@ -14,19 +14,33 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+import sys
+import os
+import pkg_resources
+
 # If your extensions are in another directory, add it here. If the directory
 # is relative to the documentation root, use os.path.abspath to make it
 # absolute, like shown here.
-#sys.path.append(os.path.abspath('.'))
+
+sys.path.insert(0, os.path.abspath('.'))
+sys.path.insert(0, os.path.abspath(".."))
+
 
 # General configuration
 # ---------------------
 
+rqmt = pkg_resources.require('ZODB')[0]
+
 # 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',
-              'j1m.sphinxautointerface',
-              'j1m.sphinxautozconfig']
+extensions = [
+    'sphinx.ext.autodoc',
+    'sphinx.ext.doctest',
+    'sphinx.ext.intersphinx',
+    'sphinx.ext.viewcode',
+    'j1m.sphinxautointerface',
+    'j1m.sphinxautozconfig',
+]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['.templates']
@@ -41,15 +55,15 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'ZODB'
-copyright = u'2009-2016, Zope Foundation'
+project = 'ZODB'
+copyright = '2009-2020, Zope Foundation'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '5.0'
+version = '%s.%s' % tuple(map(int, rqmt.version.split('.')[:2]))
 # The full version, including alpha/beta/rc tags.
 #release = '3.10.3'
 
@@ -89,6 +103,10 @@ pygments_style = 'sphinx'
 # 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 = 'sphinx_rtd_theme'
+
 # The style sheet to use for HTML and HTML Help pages. A file of that name
 # must exist either in Sphinx' static/ path, or in one of the custom paths
 # given in html_static_path.
@@ -166,8 +184,8 @@ htmlhelp_basename = 'ZODBdocumentationandarticlesdoc'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class [howto/manual]).
 latex_documents = [
-  ('index', 'ZODBdocumentationandarticles.tex', ur'ZODB documentation and articles',
-   ur'Zope Developer Community', 'manual'),
+  ('index', 'ZODBdocumentationandarticles.tex', 'ZODB documentation and articles',
+   'Zope Developer Community', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -186,3 +204,10 @@ latex_documents = [
 
 # If false, no module index is generated.
 #latex_use_modindex = True
+
+intersphinx_mapping = {
+    "python": ('https://docs.python.org/3/', None),
+    "persistent": ('https://persistent.readthedocs.io/en/latest/', None),
+    "zodburi": ("https://docs.pylonsproject.org/projects/zodburi/en/latest/", None),
+    "btrees": ("https://btrees.readthedocs.io/en/latest/", None),
+}

doc/requirements.txt

 Sphinx
+pygments<2.6
 docutils
 ZODB
 j1m.sphinxautointerface
 j1m.sphinxautozconfig
+sphinx_rtd_theme

tox.ini

 [tox]
-envlist = py27,py35,py36,py37,py38,pypy,pypy3,py38-pure
+envlist = py27,py35,py36,py37,py38,pypy,pypy3,py38-pure,docs
 
 [testenv]
 # ZODB.tests.testdocumentation needs to find
@@ -28,3 +28,12 @@ basepython =
     python3.8
 setenv =
     PURE_PYTHON = 1
+
+[testenv:docs]
+basepython =
+    python3.7
+commands =
+    sphinx-build -b html -d doc/_build/doctrees doc doc/_build/html
+    sphinx-build -d doc/_build/doctrees doc doc/_build/doctest
+deps =
+    --requirement doc/requirements.txt