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Editorial Team
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Asked: 2026-05-27T12:29:25+00:00

I’m in process creating a form in Plone/PloneFormGen. This form has Multi-Select field that

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I’m in process creating a form in Plone/PloneFormGen. This form has Multi-Select field that I am populating from MySQL database as key,value

1, Option 1
2, Option 2
3, Option 3
etc...

This is stored into MySQL table as an array of keys [‘2’, ‘4’]

Now I want to create an editing form to edit old data.
How I can get old selected options (stored in database) to be selected as a default in edit form? I have been attemting overrides with diffrent options, but nothing seems to work. I have a pythos script to extract the data, but…

Version of
Plone 3.3.5
PloneFormGen 1.6.3

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1 Answer

  1. Editorial Team

    The Problem was not only formatting. Also string had to be converted to integers.

    I solved it with a following code.

    This is part of a python script, where I pull data from SQL to populate the form in PloneFormGen.

    form['col_name'] = tuple(int(v) for v in re.findall("[0-9]+", row['col_name']))

    This will convert comma separated string to a tuple containing integers…

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