Pathagar: A Book Server
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This document summarizes a presentation about Pathagar, an open source book server application written in Python. Pathagar allows users to add books and their metadata to a repository, provides an OPDS feed to browse the catalog, and enables searching and downloading books. It is designed to disseminate educational media in remote places by providing a simple way to serve books and other content over the internet using open standards. The presentation demonstrates adding a book, viewing the OPDS feed, searching for a book, and downloading a book using the Get Books activity in Sugar on a laptop.
Pathagar: A Book Server
- 1. Sameer Verma, Ph.D. (sverma@sfsu.edu) Presentation: OLPC San Francisco Bay Area Associate Professor http://tinyurl.com/olpcsf Information Systems Department Unless noted otherwise San Francisco State University San Francisco, CA 94132 USA Pathagar: A Book Server Open Publication Distribution System Pathagar : Path + Agar पाठागार : पाठ + आगार A Practical Hindi-English Dictionary http://dsal.uchicago.edu/dictionaries/caturvedi/
- 3. Internet Usage Statistics ¾ of the world is not connected http://www.internetworldstats.com/stats.htm
- 4. Problem: Dissemination of Media in remote places ● Books ● Portable Document Format (PDF) – http://en.wikipedia.org/wiki/Pdf ● Electronic Publication format (ePub) – http://en.wikipedia.org/wiki/EPUB ● Hyper Text Markup Language (HTML) – http://en.wikipedia.org/wiki/Html ● All digital “media” are a collection of bits. So we can also disseminate ● Music ● Video ● Images
- 5. How do we get books to here?
- 6. OPDS: Open Publication and Distribution System ● OPDS Specification – The Open Publication Distribution System (OPDS) Catalog is a syndication format for electronic publications based on Atom RFC4287 and HTTP RFC2616. – Catalogs enable the aggregation, distribution, discovery, and acquisition of electronic publications. – OPDS Catalogs use existing or emergent open standards and conventions, with a priority on simplicity. http://code.google.com/p/openpub
- 7. Book Server ● Book Server = OPDS Server ● Repository ● Add books, along with title, author, language, description, etc. ● Serve – Atom-based OPDS feed (XML) – HTTP-based web pages that allow searching, listing, download, etc.
- 8. Pathagar (पाठागार) Written by Sayamindu Dasgupta http://sayamindu.randomink.org ● Written in Python ● Requires python-django as a framework ● Creates a website for managing and accessing books ● Allows you to add books + metadata on books ● Catalog allows for listing ● Search feature ● OPDS Feed, which is Atom (XML) based. ● Books are served books via HTTP to: – Browsers – Get Books activity Get it at http://github.com/sayamindu/pathagar
- 9. Accessing Pathagar from Sugar ● Get Books Activity ● http://activities.sugarlabs.org/en-US/sugar/addon/4194 ● Browse Activity ● http://activities.sugarlabs.org/en-US/sugar/addon/4024
- 10. Bookserver vs Schoolserver ● Schoolserver ● Course based taxonomy ● Courses, teachers, students, assignments, assessment ● Based on Moodle ● Bookserver ● Library model ● Books, catalog, searches, description. ● Based on OPDS
- 11. Catalog
- 12. Add a book
- 13. OPDS feed
- 14. OPDS feed – source view
- 18. Found Gulliver
- 19. Get Book
- 21. Pathagar ● Work in progress ● Fits deployment models where a curriculum isn't a central theme ● Library or media access center approach ● Easy to replicate and scale/federate
- 22. Pathagar Get it at http://github.com/sayamindu/pathagar OPDS Book Server Pathagar : Path + Agar पाठागार : पाठ + आगार
- 23. Slides made with the “free stuff” Its your intellectual property. Keep it open. Vote with your fingers. Use open formats! http://www.openoffice.org/