Added simple executable for rendering rst files.

rst2htmlbody.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+import sys
+
+from docutils import core
+from docutils.writers import html5_polyglot
+
+
+def main():
+    if not sys.stdin.isatty():
+        text = sys.stdin.readlines()
+    else:
+        if len(sys.argv) != 2:
+            print("There is no piped reSt source nor provided file, abort.")
+            sys.exit(4)
+        with open(sys.argv[1]) as fobj:
+            text = fobj.read()
+
+    parts = core.publish_parts(writer=html5_polyglot.Writer(),
+                               source=''.join(text))
+
+    print(parts.get('body', ''))
+
+
+if __name__ == '__main__':
+    main()