def make_multipart(self, content_disposition=None, content_type=None,<EOL>content_location=None):
self.headers['<STR_LIT>'] = content_disposition or '<STR_LIT>'<EOL>self.headers['<STR_LIT>'] += '<STR_LIT>'.join([<EOL>'<STR_LIT>', self._render_parts(<EOL>(('<STR_LIT:name>', self._name), ('<STR_LIT:filename>', self._filename))<EOL>)<EOL>])<EOL>self.headers['<STR_LIT:Content-Type>'] = content_type<EOL>self.headers['<STR_LIT>'] = content_location<EOL>
Makes this request field into a multipart request field.

This method overrides "Content-Disposition", "Content-Type" and
"Content-Location" headers to the request parameter.

:param content_type:
    The 'Content-Type' of the request body.
:param content_location:
    The 'Content-Location' of the request body.