https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=29333
David Nind <da...@davidnind.com> changed:
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Attachment #135230|0 |1
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--- Comment #7 from David Nind <da...@davidnind.com> ---
Created attachment 135252
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=135252&action=edit
Bug 29333: Fix encoding of imported UNIMARC authorities
MARC::Record and MARC::File::* modules sometimes use the position 09 of
the leader to detect encoding. A blank character means 'MARC-8' while an
'a' means 'UTF-8'.
In a UNIMARC authority this position is used to store the authority type
(see
https://www.transition-bibliographique.fr/wp-content/uploads/2021/02/AIntroLabel-2004.pdf
[FR]).
In this case, 'a' means 'Personal Name'.
The result is that the import will succeed for a Personal Name
authority, but it will fail for all other authority types.
Steps to reproduce:
0. Be sure to have a Koha UNIMARC instance.
1. Download the MARCXML for "Honoré de Balzac"
curl -o balzac.marcxml https://www.idref.fr/02670305X.xml
2. Verify that it's encoded in UTF-8
file balzac.marcxml
(should output "balzac.marcxml: XML 1.0 document, UTF-8 Unicode
text")
3. Go to Tools » Stage MARC for import and import balzac.marcxml with
the following settings:
Record type: Authority
Character encoding: UTF-8
Format: MARCXML
Do not touch the other settings
4. Once imported, go to the staged MARC management tool and find your
batch. Click on the authority title "Balzac Honoré de 1799-1850" to
show the MARC inside a modal window. There should be no encoding
issue.
5. Write down the imported record id (the number in column '#') and go
to the MARC authority editor. Replace all URL parameters by
'breedingid=THE_ID_YOU_WROTE_DOWN'
The URL should look like this:
/cgi-bin/koha/authorities/authorities.pl?breedingid=198
You should see no encoding issues. Do not save the record.
6. Import the batch into the catalog. Verify that the authority record
has no encoding issue.
7. Now download the MARCXML for "Athènes (Grèce)"
curl -o athènes.marcxml https://www.idref.fr/027290530.xml
8. Repeat steps 2 to 6 using athènes.marcxml file. At steps 4 and 5 you
should see encoding issues and that the position 9 of the leader was
rewritten from 'c' to 'a'. Strangely, importing this batch fix the
encoding issue, but we still lose the information in position 09 of
the leader
This patch makes use of the MARCXML representation of the record instead
of the ISO2709 representation, because, unlike
MARC::Record::new_from_usmarc, MARC::Record::new_from_xml allows us to
pass directly the encoding and the format, which prevents data to be
double encoded when position 09 of the leader is different that 'a'
Test plan:
- Follow the "steps to reproduce" above and verify that you have no
encoding issues.
Signed-off-by: David Nind <da...@davidnind.com>
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