Relevant RFCs

RFC-2045

• ietfparse.datastructures.ContentType is an abstraction of the Content-Type header described in RFC 2045 and fully specified in section 5.1.

RFC-3986

• ietfparse.algorithms.rewrite_url() implements encoding and parsing per RFC 3986.

RFC-5980

• ietfparse.algorithms.rewrite_url() encodes hostnames according to RFC 5980 for the schemes identified by IDNA_SCHEMES. Encoding can also be forced using the encode_with_idna keyword parameter.

RFC-5988

• ietfparse.headers.parse_link_header() parses a Link HTTP header.
• ietfparse.datastructures.LinkHeader() represents a Link HTTP header.

RFC-6839

• ietf.headers.parse_content_type() and ietfparse.datastructures.ContentType both support content suffixes.

RFC-7231

• ietfparse.algorithms.select_content_type() implements proactive content negotiation as described in sections 3.4.1 and 5.3 of RFC 7231
• ietfparse.headers.parse_accept_charset() parses a Accept-Charset value as described in section 5.3.3.
• ietfparse.headers.parse_http_accept_header() parses a Accept value as described in section 5.3.2.
• ietfparse.headers.parse_list_header() parses just about any of the comma-separated lists from RFC 7231. It doesn’t provide any logic other than parsing the header though.
• ietfparse.headers.parse_parameter_list() parses the key=value portions common to many header values.

RFC-7239

• ietfparse.headers.parse_forwarded() parses a Forwarded HTTP header.