python manage.py dumpdata Unable to serialize database

Question

I am trying to run the command
python manage.py dumpdata > data.json

However, I receive such a traceback:

CommandError: Unable to serialize database: 'charmap' codec can't encode characters in position 1-4: character maps to <undefined>
Exception ignored in: <generator object cursor_iter at 0x0000020E11353820>
Traceback (most recent call last):
  File "C:UsersIlliaDesktopMyDjangoStuffgreatkartvenvlibsite-packagesdjangodbmodelssqlcompiler.py", line 1625, in cursor_iter
    cursor.close()
sqlite3.ProgrammingError: Cannot operate on a closed database.

How to solve this issue?

Asked By: illymarev

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Source

Answer 1

Running set PYTHONIOENCODING=utf-8 before python manage.py dumpdata > data.json has solved the issue.

Answered By: illymarev

Answer 2

I couldn’t get the soloution above to work, however i did get this to work;

https://pypi.org/project/django-dump-load-utf8/

I installed it and used its command for dumping data and it worked, hope this helps anybody else! I think my problem was that my database had Norwegian letters in it "ÆØÅ"

Answered By: Richard Max

Answer 3

if this doesn’t work, and if you are windows, try

python -Xutf8 ./manage.py dumpdata > data.json

Answered By: Tony

python manage.py dumpdata Unable to serialize database

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