alanorth/csv-metadata-quality
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30 Commits

Author SHA1 Message Date
Alan Orth
ed5612fbcf
Add column name to output in date checks 
This makes it easier to understand where the error is in case a CSV
has multiple date fields, for example:

    Missing date (dc.date.issued).
    Missing date (dc.date.issued[]).

If you have 126 items and you get 126 "Missing date" messages then
it's likely that 100 of the items have dates in one field, and the
others have dates in other field.
 2019-08-21 15:31:12 +03:00
Alan Orth
9ce7dc6716
Add check for uncommon filenames 
Generally we want people to upload documents in accessible formats
like PDF, Word, Excel, and PowerPoint. This check warns if a file
is using an uncommon extension.
 2019-08-10 23:41:16 +03:00
Alan Orth
62fea95087
Improve suspicious character detection 
Now it will print just the part of the metadata value that contains
the suspicious character (up to 80 characters, so we don't make the
line break on terminals that use 80 character width by default).

Also, print the name of the field in which the metadata value is so
that it is easier for the user to locate.
 2019-08-09 01:25:40 +03:00
Alan Orth
8772bdec51
csv_metadata_quality/app.py: Explicitly exit with success 2019-08-04 09:10:37 +03:00
Alan Orth
6d4ecd75aa
csv_metadata_quality/app.py: Close files before exit 2019-08-04 09:10:19 +03:00
Alan Orth
f4e7fd73f5
csv_metadata_quality/app.py: Handle Ctrl-C 
Instead of printing an ugly two-page stack trace.
 2019-08-03 21:11:57 +03:00
Alan Orth
0561300ebe
Add option to print version with --version or -V 
I guess `-v` is more commonly used for "verbose" so I will use the
short option of `-V` for version.
 2019-08-02 00:09:54 +03:00
Alan Orth
bf876a046a
Rework AGROVOC validation 
AGROVOC validation is now disabled by default, but can be enabled
on a field-by-field basis. For example, countries and regions are
also present in AGROVOC. Fields with these values can be enabled
using the new `--agrovoc-fields` option.

I reworked the script output to show the field name when printing
an invalid term so that the user knows in which field the term is.
 2019-08-01 23:51:58 +03:00
Alan Orth
9100efdf50
Re-work as a proper standalone Python package 
Add a setup.py so that installation is easier and a standalone CLI
script called csv-metadata-quality is provided. Now the user only
needs to run this from a virtual environment inside the project
directory:

    $ pip install .

Eventually I could publish this on PyPi when I settle on a more
appropriate package name.

See: https://packaging.python.org/tutorials/packaging-projects/
See: https://chriswarrick.com/blog/2014/09/15/python-apps-the-right-way-entry_points-and-scripts/
 2019-07-31 17:34:36 +03:00
Alan Orth
40d5f7d81b
Add support for removing newlines 
This was tricky because of the nature of newlines. In actuality we
are removing Unix line feeds here (U+000A) because Windows carriage
returns are actually already removed by the string stripping in the
whitespace fix.

Creating the test case in Vim was difficult because I couldn't fig-
ure out how to manually enter a line feed character. In the end I
used a search and replace on a known pattern like "ALAN", replacing
it with \r. Neither entering the Unicode code point (U+000A) direc-
tly or typing an "Enter" character after ^V worked. Grrr.
 2019-07-30 20:05:12 +03:00
Alan Orth
1f65a28307
Add support for validating subjects against AGROVOC 
Checks values in the dc.subject or dcterms.subject field against the
AGROVOC REST API hosted by FAO. Code borrowed from agrovoc-lookup.py.

See: http://agrovoc.uniroma2.it/agrovoc/agrovoc/en/
See: https://github.com/ilri/DSpace/blob/5_x-prod/agrovoc-lookup.py
 2019-07-30 00:30:31 +03:00
Alan Orth
a36454a3ac
Add support for validating languages 
Will validate against ISO 639-2 or ISO 639-3 depending on how long
the language field is. Otherwise will return that the language is
invalid.

Does not currently have any support for generic values like "Other".
 2019-07-29 18:59:42 +03:00
Alan Orth
1e444cf040
Add fix for duplicate metadata values 2019-07-29 18:05:03 +03:00
Alan Orth
fa4fa3491b
Add check for "suspicious" characters 
These standalone characters often indicate issues with encoding or
copy/paste in languages with accents like French and Spanish. For
example: foreˆt should be forêt.

It is not possible to fix these issues automatically, but this will
print a warning so you can notify the owner of the data.
 2019-07-29 17:08:49 +03:00
Alan Orth
8047a57cc5
Add support for fixing "unnecessary" Unicode 
These are things like non-breaking spaces, "replacement" characters,
etc that add nothing to the metadata and often cause errors during
parsing or displaying in a UI.
 2019-07-29 16:38:10 +03:00
Alan Orth
d73f7b54b1
csv_metadata_quality/app.py: Improve comments 2019-07-29 16:24:35 +03:00
Alan Orth
7b5db1f5d9
csv_metadata_quality/app.py: Remove erroneous comment 2019-07-29 16:15:25 +03:00
Alan Orth
40e77db713
Add "unsafe fixes" runtime option 
In this case it fixes occurences of invalid multi-value separators.
DSpace uses "||" to separate multiple values in one field, but our
editors sometimes give us files with mistakes like "|". We can fix
these to be correct multi-value separators if we are sure that the
metadata is not actually using "|" for some legitimate purpose.
 2019-07-28 22:53:39 +03:00
Alan Orth
a93b5b31c5
Add support for command line arguments 
Currently only supports specifying input and output files with -i
and -o. Eventually I'll add more options like dry run, debug, and
maybe things like forcing unsafe fixes.
 2019-07-28 20:31:57 +03:00
Alan Orth
aadb3117eb
csv_metadata_quality/app.py: Remove unused test input files 2019-07-28 17:45:05 +03:00
Alan Orth
e88d35ace3
csv_metadata_quality/app.py: Use regex in column match 
Check for a column that has "issn" or "isbn" in the name rather
than by its explicit name, as the column is dc.identifier.issn now,
but will be cg.issn in the future if CG Core v2 happens.
 2019-07-28 17:27:20 +03:00
Alan Orth
196bb434fa
Add date validation 
I'm only concerned with validating issue dates here. In DSpace they
are generally always YYYY, YYY-MM, or YYYY-MM-DD (though in theory
they could be any valid ISO8601 format).

This also checks for cases where the date is missing and where the
metadata has specified multiple dates like "1990||1991", as this is
valid, but there is no practical value for it in our system.
 2019-07-28 16:11:36 +03:00
Alan Orth
e2bb2d4df9
Main function should be "main()" 2019-07-27 23:09:16 +03:00
Alan Orth
c47c064a13
Make output less debuggy 2019-07-27 09:21:13 +03:00
Alan Orth
18f26c343d
csv_metadata_quality/app.py: Fix path to test.csv 2019-07-27 00:25:30 +03:00
Alan Orth
84c3b17678
csv_metadata_quality/app.py: Add comment 2019-07-26 23:49:13 +03:00
Alan Orth
aaf3537ba4
Add check for invalid multi-value separators 2019-07-26 23:48:24 +03:00
Alan Orth
dfd961d720
Bring test.csv into project 2019-07-26 23:14:37 +03:00
Alan Orth
e160b17fb0
Add ISSN and ISBN checks using python-stdnum 2019-07-26 23:14:10 +03:00
Alan Orth
232d28e13e
Refactor as package with subpackages 
This makes it cleaner for introducing checks, fixes, tests, docs,
and tests in the future. Currently can be run like this:

  python -m csv_metadata_quality

CSV input and output paths are still hard coded.

See: https://dev.to/codemouse92/dead-simple-python-project-structure-and-imports-38c6
 2019-07-26 22:11:10 +03:00