Default behaviour with DocInfo transformation:
$ rst2pseudoxml nodocinfo_example.rst
<document ids="no-docinfo-example" names="no\ docinfo\ example" source="nodocinfo_example.rst" title="No DocInfo Example">
<title>
No DocInfo Example
<docinfo>
<author>
mbukatov
<date>
2017-04-03
<paragraph>
This is just an example of document with doc info.
Custom rst tool with DocInfo transformation disabled:
$ ./nodocinfo_example.py nodocinfo_example.rst
<document ids="no-docinfo-example" names="no\ docinfo\ example" source="nodocinfo_example.rst" title="No DocInfo Example">
<title>
No DocInfo Example
<field_list>
<field>
<field_name>
author
<field_body>
<paragraph>
mbukatov
<field>
<field_name>
date
<field_body>
<paragraph>
2017-04-03
<paragraph>
This is just an example of document with doc info.