add sphinx extensions to setup

refs insomnia-lab#168

doc/source/conf.py

@@ -33,6 +33,15 @@
     'sphinx.ext.coverage',
     'sphinx.ext.viewcode',
 ]
+try:
+    import sphinxcontrib.autohttp.flask
+except ImportError:
+    print "WARNING: sphinxcontrib-httpdomain not installed," \
+        "you will get no REST API doc"
+    print "  You might want to do pip install -U pip && pip install '.[doc]'"
+else:
+    del sphinxcontrib.autohttp.flask
+    extensions += ['sphinxcontrib.autohttp.flask']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']

setup.py

@@ -123,6 +123,9 @@ def read(fname):
           'webant': ['translations/*/*/*.mo']
         },
         include_package_data=True,
+        extras_require={
+            'doc':['sphinx', 'sphinxcontrib-httpdomain>=1.1'],
+        },
         tests_require=['nose', 'coverage'],
         zip_safe=False,
         cmdclass={'build': build,