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Description:

ietfparse 1.9.0

Wait… Why? What??
This is a gut reaction to the wealth of ways to parse URLs, MIME headers,
HTTP messages and other things described by IETF RFCs. They range from
the Python standard library (urllib) to be buried in the guts of other
kitchen sink libraries (werkzeug) and most of them are broken in one
way or the other.
So why create another one? Good question… glad that you asked. This is
a companion library to the great packages out there that are responsible for
communicating with other systems. I’m going to concentrate on providing a
crisp and usable set of APIs that concentrate on parsing text. Nothing more.
Hopefully by concentrating on the specific task of parsing things, the result
will be a beautiful and usable interface to the text strings that power the
Internet world.
Here’s a sample of the code that this library lets you write:
from ietfparse import algorithms, headers

def negotiate_versioned_representation(request, handler, data_dict):
requested = headers.parse_accept(request.headers['Accept'])
selected = algorithms.select_content_type(requested, [
headers.parse_content_type('application/example+json; v=1'),
headers.parse_content_type('application/example+json; v=2'),
headers.parse_content_type('application/json'),
])

output_version = selected.parameters.get('v', '2')
if output_version == '1':
handler.set_header('Content-Type', 'application/example+json; v=1')
handler.write(generate_legacy_json(data_dict))
else:
handler.set_header('Content-Type', 'application/example+json; v=2')
handler.write(generate_modern_json(data_dict))

def redirect_to_peer(host, port=80):
flask.redirect(algorithms.rewrite_url(flask.request.url,
host=host, port=port))

OK… Where?

Source
https://github.com/dave-shawley/ietfparse

Status
https://circleci.com/gh/dave-shawley/ietfparse/tree/master

Download
https://pypi.org/project/ietfparse

Documentation
https://ietfparse.readthedocs.io/en/latest

Issues
https://github.com/dave-shawley/ietfparse