Add all Sphinx dependencies

var/spack/repos/builtin/packages/py-pygments/package.py

@@ -27,14 +27,17 @@
 
 class PyPygments(Package):
     """Pygments is a syntax highlighting package written in Python."""
+
     homepage = "https://pypi.python.org/pypi/pygments"
     url      = "https://pypi.python.org/packages/source/P/Pygments/Pygments-2.0.1.tar.gz"
 
+    version('2.1.3', 'ed3fba2467c8afcda4d317e4ef2c6150')
     version('2.0.1', 'e0daf4c14a4fe5b630da765904de4d6c')
     version('2.0.2', '238587a1370d62405edabd0794b3ec4a')
 
     extends('python')
+
     depends_on('py-setuptools', type='build')
 
     def install(self, spec, prefix):
-        python('setup.py', 'install', '--prefix=%s' % prefix)
+        setup_py('install', '--prefix={0}'.format(prefix))