Get Pylons theme working in Sphinx build.

_themes @ de1ebd27

-Subproject commit 03e5e5aaaeddc4c9aea887478c7e7b379a127b6f
+Subproject commit de1ebd27d5a699e60e13947f479266e70020dd79

docs/conf.py

@@ -92,6 +92,32 @@ today_fmt = '%B %d, %Y'
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = 'sphinx'
 
+# Add and use Pylons theme
+if 'sphinx-build' in ' '.join(sys.argv): # protect against dumb importers
+    from subprocess import call, Popen, PIPE
+
+    p = Popen('which git', shell=True, stdout=PIPE)
+    git = p.stdout.read().strip()
+    cwd = os.getcwd()
+    _themes = os.path.join(cwd, '_themes')
+
+    if not os.path.isdir(_themes):
+        call([git, 'clone', 'git://github.com/Pylons/pylons_sphinx_theme.git',
+                '_themes'])
+    else:
+        os.chdir(_themes)
+        call([git, 'checkout', 'master'])
+        call([git, 'pull'])
+        os.chdir(cwd)
+
+    sys.path.append(os.path.abspath('_themes'))
+
+    parent = os.path.dirname(os.path.dirname(__file__))
+    sys.path.append(os.path.abspath(parent))
+    wd = os.getcwd()
+    os.chdir(parent)
+    sys.path.append(parent)
+
 
 # Options for HTML output
 # -----------------------