Source code for invenio_files_rest.formparser
# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2016-2019 CERN.
#
# Invenio is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.
"""Werkzeug form data parser customization."""
from werkzeug import exceptions
from werkzeug.formparser import FormDataParser as WerkzeugFormDataParser
[docs]class FormDataParser(WerkzeugFormDataParser):
"""Custom form data parser."""
[docs] def parse(self, stream, mimetype, content_length, options=None):
"""Parse the information from the given request.
:param stream: An input stream.
:param mimetype: The mimetype of the data.
:param content_length: The content length of the incoming data.
:param options: Optional mimetype parameters (used for
the multipart boundary for instance).
:return: A tuple in the form ``(stream, form, files)``.
"""
if options is None:
options = {}
parse_func = self.get_parse_func(mimetype, options)
if parse_func is not None:
# Check content length only if we are actually going to parse
# the data.
if (
self.max_content_length is not None
and content_length is not None
and content_length > self.max_content_length
):
raise exceptions.RequestEntityTooLarge()
try:
return parse_func(self, stream, mimetype, content_length, options)
except ValueError:
if not self.silent:
raise
return stream, self.cls(), self.cls()