+
+# Search for our extensions too
+import sys
+sys.path.append(os.path.abspath('_ext'))
+
+# -- Run doxygen on readthedocs.org ------------------------------------------
+import subprocess, os
+
+read_the_docs_build = os.environ.get('READTHEDOCS', None) == 'True'
+
+if read_the_docs_build:
+ subprocess.call('cd source; doxygen', shell=True)