kopia lustrzana https://github.com/jcarbaugh/python-webfinger
142 wiersze
5.2 KiB
ReStructuredText
142 wiersze
5.2 KiB
ReStructuredText
=========
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webfinger
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=========
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A simple Python client implementation of `WebFinger RFC 7033 <http://tools.ietf.org/html/rfc7033>`_.
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WebFinger is a discovery protocol that allows you to find information about people or things in a standardized way. See the `spec <http://tools.ietf.org/html/rfc7033>`_ or `webfinger.net <http://webfinger.net>`_ for more information.
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::
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>>> from webfinger import finger
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>>> wf = finger('acct:eric@konklone.com')
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>>> wf.subject
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acct:eric@konklone.com
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>>> wf.avatar
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https://secure.gravatar.com/avatar/ac3399caecce27cb19d381f61124539e.jpg?s=400
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>>> wf.profile
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https://konklone.com
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>>> wf.properties.get('http://schema.org/name')
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Eric Mill
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Installation
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============
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Available on `PyPI as webfinger <https://pypi.python.org/pypi/webfinger>`_.
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pip install webfinger
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finger
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======
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finger(resource, rel=None)
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*finger* is a convenience method for instantiating a WebFingerClient object and making the request. The *resource* parameter is a URI of the resource about which you are querying. The optional *rel* parameter can be either a string or a list of strings that will limit the response to the specific relations. WebFinger servers are **not** required to obey the *rel* parameter, so you should handle the response accordingly.
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WebFingerClient supports additional options, so check that out if *finger* does not meet your needs.
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WebFinger Client
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================
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WebFingerClient(timeout=None, official=False)
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Instantiates a client object. The optional *timeout* parameter specifies the HTTP request timeout. The optional *official* parameter is a boolean that determines if the client will use `unofficial endpoints`_.
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finger(resource, host=None, rel=None, raw=False)
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The client *finger* method prepares and executes the WebFinger request. *resource* and *rel* are the same as the parameters on the standalone *finger* method. *host* should only be specified if you want to connect to a host other than the host in the resource parameter. Otherwise, this method extracts the host from the *resource* parameter. *raw* is a boolean that determines if the method returns a WebFingerResponse object or the raw JRD response as a dict.
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If the *host* parameter is passed to this method, unofficial endpoints are ignored. You're asking for a specific host so who am I to disagree?
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WebFinger Response
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==================
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The WebFinger response object provides handy properties for easy access and the raw JRD response. Read the `spec for specifics of the JRD response <http://tools.ietf.org/html/rfc7033#section-4.4>`_.
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Properties
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----------
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subject
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The URI of the thing that the response JRD describes.
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aliases
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A list of additional URIs that identify the subject.
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properties
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A dict of URIs and values that provides information about the subject.
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links
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A list of dicts that define external resources for the subject.
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jrd
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A dict of the raw JRD response.
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Methods
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-------
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rel(relation, attr='href')
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A convenience method that provides basic access to links. The *relation* parameter is a URI for the desired link. The *attr* parameter is the key of the returned value of the link that matches *relation*. Returns a string if *relation* and *attr* exist, otherwise *None*.
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::
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>>> wf.rel('http://webfinger.net/rel/avatar')
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https://secure.gravatar.com/avatar/ac3399caecce27cb19d381f61124539e.jpg?s=400
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The response JRD may have multiple entries with the same relation URI. The *rel* method will select the first one, since order is meant to imply priority. If you need to see all of the values, you'll have to iterate over the *links* property and pull them out yourself.
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::
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>>> rel = 'http://webfinger.net/rel/avatar'
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>>> [l.get('href') for l in rel.links if l.get('rel') == rel]
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If *attr* is None, the full dict for the link will be returned.
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Relation Properties
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-------------------
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The following common link relation types are supported as properties of the response object:
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* activity_streams: http://activitystrea.ms/spec/1.0
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* avatar: http://webfinger.net/rel/avatar
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* hcard: http://microformats.org/profile/hcard
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* open_id: http://specs.openid.net/auth/2.0/provider
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* opensocial: http://ns.opensocial.org/2008/opensocial/activitystreams
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* portable_contacts: http://portablecontacts.net/spec/1.0
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* profile: http://webfinger.net/rel/profile-page
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* webfist: http://webfist.org/spec/rel
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* xfn: http://gmpg.org/xfn/11
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Example::
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>>> wf.avatar
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https://secure.gravatar.com/avatar/ac3399caecce27cb19d381f61124539e.jpg?s=400
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.. _unofficial endpoints:
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Unofficial Endpoints
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====================
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While Facebook and Twitter do not officially support WebFinger, the `webfinger-unofficial project <https://github.com/snarfed/webfinger-unofficial>`_ provides a proxy for basic subject information. By default, python-webfinger will attempt to use the unofficial endpoints for facebook.com and twitter.com resource domains. This behavior can be disabled by passing *True* to the *official* parameter::
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>>> wf = finger('acct:konklone@twitter.com', official=True)
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Dependencies
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============
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* `requests <https://pypi.python.org/pypi/requests>`_
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License
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=======
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python-webfinger is distributed under the `BSD license <http://creativecommons.org/licenses/BSD/>`_.
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See LICENSE for the full terms.
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