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A client library for for the bookmarking services Pinboard and Delicious
Clojure
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leiningen
src/clj_bookmarks
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README.md
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README.md

clj-bookmarks

A client library for for the bookmarking services del.icio.us and Pinboard. It provides both annonymous and named access. In the former case the APIs do not allow as many features as in the latter one.

Usage

The library offers a common APIs for the bookmarking services -- one set of functions for authenticated access and another set that can be used anonymously.

Before accessing any of the data, you need to initialize the service you want to use and get a service handle.

Anonymous Access

In order to create a service handle for the anonymous APIs, call a factory function without arguments. For Pinboard use the following:

(use '[clj-bookmarks core pinboard])
(def pb (init-pinboard))

For Delicious:

(use '[clj-bookmarks core delicious])
(def del (init-delicious))

This creates a handle for the limited authenticated API. (The following examples all use Pinboard, but they work the same with Delicious.) To get a list of the most popular bookmarks, call

(popular pb)

This returns a seq of hashes where each element has the following keys:

  • url: the bookmarked URL
  • tags: the tags assigned to this bookmark
  • desc: the description
  • date: the time when the bookmark was saved

The recent function gives you the list of all recetly saved bookmarks.

You can also query bookmarks by user and by tags. When you want the bookmarks by user the user "jgre" tagged "clojure" use the bookmarks function:

(bookmarks pb {:user "jgre" :tags "clojure"})

The result has the structure described above. You can also request the bookmarks tagged "clojure" and "java":

(bookmarks pb {:user "jgre" :tags ["java" "clojure"]})

Authenticated Access

To use the authenticated API, you pass your username and password to init-pinboard or init-delicious.

(def del (init-delicious "USER" "PASSWD"))

The authenticated API has a query-bookmarks function that behaves simliar to bookmarks, but they have some differences. Moreover, Pinboard implements the service differently than Delicious. When you specify a list of tags, Pinboard gives you the bookmarks that have at least one of the tags. Delicious gives you the bookmarks that have all of the tags. In the previous example you would get the bookmarks tagged "clojure" or "java" from Pinboard, but those tagged "clojure" and "java" from Delicious.

query-bookmarks also provides some additional options compared to bookmarks:

  • fromdt: only return bookmarks saved on this date or later
  • todt: only return bookmarks saved on this date or earlier
  • offset: start returning bookmarks this many results into the set
  • limit: return this many results

The result structure has more fields too with this API:

  • url: the bookmarked URL
  • tags: the tags assigned to this bookmark
  • desc: the description
  • extended: Notes about the bookmark
  • date: the time when the bookmark was saved
  • others: the number of users who bookmarked the URL
  • hash: the hash of the URL
  • meta: a signature that changes when the bookmark is updated

With the authenticated API you have more functions at you disposal. With add-bookmark you can save new bookmarks, you can delete bookmarks with delete-bookmarks, and you can get suggestions for how to tag a given URL with suggested-tags. bookmark-info gives you the bookmark data structure for a given URL. When your application caches a user's bookmarks, you can use last-update to find out when the last update on the account happened to determine when to reload.

Installation

With leiningen, add this to you project.clj:

[clj-bookmarks "0.1.0"]

For Maven, add this to your pom.xml:

<dependency>
    <groupId>clj-bookmarks</groupId>
    <artifactId>clj-bookmarks</artifactId>
   <version>0.1.0</version>
</dependency>

License

Distributed under the Simplified BSD License:

Copyright (C) 2010, Janico Greifenberg All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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