[GUI-Plugin] Library Codes-SRU

davidjoseph1 · Today, 10:32 AM

[GUI Plugin] Library Codes-SRU

A forked version of the original Library Codes by DaltonST: see posted updates on the legacy plugin thread.

Functions and Features:

[1] Automatically creates new Custom Columns (if desired) for Dewey Decimal Code and/or Library of Congress Code and/or OCLC-OWI and/or FAST Tags.

[2] Derives the desired Library Codes using a book's ISBN or ISSN [Selected Books].

[3] NOT WORKING YET Optionally creates Identifiers: OCLC-OWI; OCLC-WORLDCAT; and VIAF_AUTHOR_ID. This allows the use of composite Custom Columns to be shown in the Book Details as a hot-link to the respective URLs.

[4] Optionally Converts ISBN-10 to ISBN-13 [Selected Books]. This function will also automatically "sanitize" ISBNs to remove any dashes, etc. even if the ISBN is already an ISBN-13.

[5] Optionally extracts ISSNs from PDFs for Magazines and Periodicals. The other LC functionality then may be executed for the PDFs for which ISSNs were extracted. View the LC Menu ToolTips for more information.

[6] Optionally maps either a LCC or a DDC for each book to a 'Genre', and updates a Text custom column with that mapping. LC comes preloaded for DDC mappings, but a template .csv file for LCC mappings is attached below.

Please read the ToolTips in the LC customization settings.

For a full Open Source DDC listing for your own use: https://raw.githubusercontent.com/Jo...master/fdc.txt

Code décimal de Dewey en français: https://www.mobileread.com/forums/sh...4&postcount=94

Version History

Spoiler:

davidjoseph1 · Today, 11:54 AM

I want to make a couple of use notes:

1) there is a hard-coded per IP query limit of forty requests per minute. Exceed that at the lx2.loc.gov:210/LCDB SRU server, and it will lock you out and not respond to any requests at all for fifteen minutes or so. The response time is so quick that you can exceed that rate. When I modified SRU, I put in a five second pause so that the rate limit would not be exceeded.

2) The record matching is brittle against identifier. The value-add of the OCLC Classify backend was the wideness of applicable responses, and the Library of Congress look up will fail against Most e-book isbns. My suggestion, until I modify library codes further to accept title author ISBN 3-tuple searching, Is to use SRU to get an applicable ISBN, which can be served with fully adequate Dewey and LC call number.

When I figure out how to get title author going o I will update.

Future efforts will also include getting the field 650 and field 655 subject headings, implementing an authority look up for author names against the name and subject authority servers at the Library of Congress, getting VIAF Authority records returned, and figuring out someway to Horse, the free OCLC worldcat web lookup to get OCLC worldcat numbers. However, without any subscription to OCLC Metadata, Which is not possible for non-library entity, it is very hard to do anything with that world, cat number, except for a slightly faster search on the free OCLC world cat page.

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Today, 11:54 AM	#2
davidjoseph1 Enthusiast Posts: 38 Karma: 129926 Join Date: May 2011 Device: Onyx Boox M90, M92 (*3),M96, N96,I86ml,C67ml,Kepler,Poke,Poke2,Nova3	I want to make a couple of use notes: 1) there is a hard-coded per IP query limit of forty requests per minute. Exceed that at the lx2.loc.gov:210/LCDB SRU server, and it will lock you out and not respond to any requests at all for fifteen minutes or so. The response time is so quick that you can exceed that rate. When I modified SRU, I put in a five second pause so that the rate limit would not be exceeded. 2) The record matching is brittle against identifier. The value-add of the OCLC Classify backend was the wideness of applicable responses, and the Library of Congress look up will fail against Most e-book isbns. My suggestion, until I modify library codes further to accept title author ISBN 3-tuple searching, Is to use SRU to get an applicable ISBN, which can be served with fully adequate Dewey and LC call number. When I figure out how to get title author going o I will update. Future efforts will also include getting the field 650 and field 655 subject headings, implementing an authority look up for author names against the name and subject authority servers at the Library of Congress, getting VIAF Authority records returned, and figuring out someway to Horse, the free OCLC worldcat web lookup to get OCLC worldcat numbers. However, without any subscription to OCLC Metadata, Which is not possible for non-library entity, it is very hard to do anything with that world, cat number, except for a slightly faster search on the free OCLC world cat page.

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