doc: add sphinx breathe extension

1 files changed, 19 insertions, 3 deletions

diff --git a/doc/conf.py b/doc/conf.py
index 087b260..69ab8d3 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -16,10 +16,21 @@
 # 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.
 #
-# import os
-# import sys
+import os
+import sys
+import subprocess
 # sys.path.insert(0, os.path.abspath('.'))
 
+# on_rtd is whether we are on readthedocs.org, this line of code grabbed from docs.readthedocs.org
+on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
+
+print subprocess.check_output('mkdir -p build/doxygen && doxygen', shell=True)
+
+breathe_projects = {
+    'vis': 'build/doxygen/xml'
+}
+
+breathe_default_project = "vis"
 
 # -- General configuration ------------------------------------------------
 
@@ -30,7 +41,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = []
+extensions = ['breathe']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -152,5 +163,10 @@ texinfo_documents = [
      'Miscellaneous'),
 ]
 
+if not on_rtd:  # only import and set the theme if we're building docs locally
+    import sphinx_rtd_theme
+    html_theme = 'sphinx_rtd_theme'
+    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
+# otherwise, readthedocs.org uses their theme by default, so no need to specify it