Hmm, when I remove the raise CommandError statement and replace it with 
self.stdout.write, everything works well.

This helps me to point further studies. Thx!
On Wednesday, May 10, 2023 at 2:33:18 PM UTC+2 Bob Aalsma wrote:

> Ah, yes, thanks.
>
> I hesitate to comment on "If I understood the error right." ;)
>
> Umm, my problem here is that I think I'm using the exact same *code* 
> "manually" without errors. 
> I think I'm also using the same *values* for the manual and test runs.
> So I don't understand the reason for the differences in output.
>
> On Wednesday, May 10, 2023 at 2:18:33 PM UTC+2 Vishesh Mangla wrote:
>
>> If I understood the error right.
>>
>> On Wed, May 10, 2023 at 5:47 PM Vishesh Mangla <[email protected]> 
>> wrote:
>>
>>> Probably this would help: 
>>> https://stackoverflow.com/questions/8609192/what-is-the-difference-between-null-true-and-blank-true-in-django
>>>
>>> On Wed, May 10, 2023 at 5:45 PM 'Bob Aalsma' via Django users <
>>> [email protected]> wrote:
>>>
>>>> Sorry Vishesh, thanks for the quick answer but I have no idea what you 
>>>> mean.
>>>>
>>>> On Wednesday, May 10, 2023 at 2:00:51 PM UTC+2 Vishesh Mangla wrote:
>>>>
>>>>> False or True check for yourself.
>>>>>
>>>>> On Wed, 10 May, 2023, 17:29 Vishesh Mangla, <[email protected]> 
>>>>> wrote:
>>>>>
>>>>>> It looks like you are passing a null but null=False is not set
>>>>>>
>>>>>> On Wed, 10 May, 2023, 17:27 'Bob Aalsma' via Django users, <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> I'm trying to test a django-admin command and don't understand why 
>>>>>>> the tests give errors on the code while the code works as expected.
>>>>>>>
>>>>>>> I'm under the impression that the *raise CommandError* is ignored 
>>>>>>> by the test, but don't understand why this would be.
>>>>>>>
>>>>>>> Please help.
>>>>>>>
>>>>>>> Running the code shows:
>>>>>>>
>>>>>>> (.venv) werker@Werkers-Mac-mini domain_reader % python3 manage.py 
>>>>>>> populate_source 0
>>>>>>>
>>>>>>> *CommandError: Alleen hele getallen > 0 toegestaan*
>>>>>>>
>>>>>>> (.venv) werker@Werkers-Mac-mini domain_reader % python3 manage.py 
>>>>>>> populate_source 1
>>>>>>>
>>>>>>> *Teksten zijn gegenereerd voor tekstlengte 1*
>>>>>>>
>>>>>>> (.venv) werker@Werkers-Mac-mini domain_reader % python3 manage.py 
>>>>>>> populate_source 1
>>>>>>>
>>>>>>> *CommandError: Teksten voor nummer 1 zijn al eerder gegenereerd*
>>>>>>>
>>>>>>> (.venv) werker@Werkers-Mac-mini domain_reader % python3 manage.py 
>>>>>>> populate_source 7
>>>>>>>
>>>>>>> *CommandError: Opgegeven sleutel 7 niet gevonden*
>>>>>>>
>>>>>>> Running the tests shows
>>>>>>>
>>>>>>> (.venv) werker@Werkers-Mac-mini domain_reader % python3 manage.py 
>>>>>>> test tests.test_sources_app_command_populate
>>>>>>>
>>>>>>> Found 3 test(s).
>>>>>>>
>>>>>>> Creating test database for alias 'default'...
>>>>>>>
>>>>>>> System check identified no issues (0 silenced).
>>>>>>>
>>>>>>> EEE
>>>>>>>
>>>>>>>
>>>>>>> ======================================================================
>>>>>>>
>>>>>>> ERROR: test_command_output_been_there 
>>>>>>> (tests.test_sources_app_command_populate.PopulateSourceTests.test_command_output_been_there)
>>>>>>>
>>>>>>> Test for failure: in_use = True.
>>>>>>>
>>>>>>>
>>>>>>> ----------------------------------------------------------------------
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 89, in _execute
>>>>>>>
>>>>>>>     return self.cursor.execute(sql, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/sqlite3/base.py",
>>>>>>>  
>>>>>>> line 328, in execute
>>>>>>>
>>>>>>>     return super().execute(query, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>> sqlite3.IntegrityError: NOT NULL constraint failed: 
>>>>>>> domain_sources_app_characternumber.number_of_combinations
>>>>>>>
>>>>>>>
>>>>>>> The above exception was the direct cause of the following exception:
>>>>>>>
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/tests/test_sources_app_command_populate.py",
>>>>>>>  
>>>>>>> line 30, in test_command_output_been_there
>>>>>>>
>>>>>>>     thingy.save()
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 814, in save
>>>>>>>
>>>>>>>     self.save_base(
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 877, in save_base
>>>>>>>
>>>>>>>     updated = self._save_table(
>>>>>>>
>>>>>>>               ^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 1020, in _save_table
>>>>>>>
>>>>>>>     results = self._do_insert(
>>>>>>>
>>>>>>>               ^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 1061, in _do_insert
>>>>>>>
>>>>>>>     return manager._insert(
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/manager.py",
>>>>>>>  
>>>>>>> line 87, in manager_method
>>>>>>>
>>>>>>>     return getattr(self.get_queryset(), name)(*args, **kwargs)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/query.py",
>>>>>>>  
>>>>>>> line 1805, in _insert
>>>>>>>
>>>>>>>     return 
>>>>>>> query.get_compiler(using=using).execute_sql(returning_fields)
>>>>>>>
>>>>>>>            
>>>>>>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/sql/compiler.py",
>>>>>>>  
>>>>>>> line 1820, in execute_sql
>>>>>>>
>>>>>>>     cursor.execute(sql, params)
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 67, in execute
>>>>>>>
>>>>>>>     return self._execute_with_wrappers(
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 80, in _execute_with_wrappers
>>>>>>>
>>>>>>>     return executor(sql, params, many, context)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 84, in _execute
>>>>>>>
>>>>>>>     with self.db.wrap_database_errors:
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/utils.py",
>>>>>>>  
>>>>>>> line 91, in __exit__
>>>>>>>
>>>>>>>     raise dj_exc_value.with_traceback(traceback) from exc_value
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 89, in _execute
>>>>>>>
>>>>>>>     return self.cursor.execute(sql, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/sqlite3/base.py",
>>>>>>>  
>>>>>>> line 328, in execute
>>>>>>>
>>>>>>>     return super().execute(query, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>> django.db.utils.IntegrityError: NOT NULL constraint failed: 
>>>>>>> domain_sources_app_characternumber.number_of_combinations
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ======================================================================
>>>>>>>
>>>>>>> ERROR: test_command_output_small 
>>>>>>> (tests.test_sources_app_command_populate.PopulateSourceTests.test_command_output_small)
>>>>>>>
>>>>>>> Test for failure with value '0'.
>>>>>>>
>>>>>>>
>>>>>>> ----------------------------------------------------------------------
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/tests/test_sources_app_command_populate.py",
>>>>>>>  
>>>>>>> line 20, in test_command_output_small
>>>>>>>
>>>>>>>     call_command("populate_source", 0, stdout=out)
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/core/management/__init__.py",
>>>>>>>  
>>>>>>> line 194, in call_command
>>>>>>>
>>>>>>>     return command.execute(*args, **defaults)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/core/management/base.py",
>>>>>>>  
>>>>>>> line 458, in execute
>>>>>>>
>>>>>>>     output = self.handle(*args, **options)
>>>>>>>
>>>>>>>              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/domain_sources_app/management/commands/populate_source.py",
>>>>>>>  
>>>>>>> line 36, in handle
>>>>>>>
>>>>>>>     raise CommandError('Alleen hele getallen > 0 toegestaan')
>>>>>>>
>>>>>>> django.core.management.base.CommandError: Alleen hele getallen > 0 
>>>>>>> toegestaan
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ======================================================================
>>>>>>>
>>>>>>> ERROR: test_command_output_success 
>>>>>>> (tests.test_sources_app_command_populate.PopulateSourceTests.test_command_output_success)
>>>>>>>
>>>>>>> Test for success: in_use = False.
>>>>>>>
>>>>>>>
>>>>>>> ----------------------------------------------------------------------
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 89, in _execute
>>>>>>>
>>>>>>>     return self.cursor.execute(sql, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/sqlite3/base.py",
>>>>>>>  
>>>>>>> line 328, in execute
>>>>>>>
>>>>>>>     return super().execute(query, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>> sqlite3.IntegrityError: NOT NULL constraint failed: 
>>>>>>> domain_sources_app_characternumber.number_of_combinations
>>>>>>>
>>>>>>>
>>>>>>> The above exception was the direct cause of the following exception:
>>>>>>>
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/tests/test_sources_app_command_populate.py",
>>>>>>>  
>>>>>>> line 48, in test_command_output_success
>>>>>>>
>>>>>>>     thingy.save()
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 814, in save
>>>>>>>
>>>>>>>     self.save_base(
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 877, in save_base
>>>>>>>
>>>>>>>     updated = self._save_table(
>>>>>>>
>>>>>>>               ^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 1020, in _save_table
>>>>>>>
>>>>>>>     results = self._do_insert(
>>>>>>>
>>>>>>>               ^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/base.py",
>>>>>>>  
>>>>>>> line 1061, in _do_insert
>>>>>>>
>>>>>>>     return manager._insert(
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/manager.py",
>>>>>>>  
>>>>>>> line 87, in manager_method
>>>>>>>
>>>>>>>     return getattr(self.get_queryset(), name)(*args, **kwargs)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/query.py",
>>>>>>>  
>>>>>>> line 1805, in _insert
>>>>>>>
>>>>>>>     return 
>>>>>>> query.get_compiler(using=using).execute_sql(returning_fields)
>>>>>>>
>>>>>>>            
>>>>>>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/models/sql/compiler.py",
>>>>>>>  
>>>>>>> line 1820, in execute_sql
>>>>>>>
>>>>>>>     cursor.execute(sql, params)
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 67, in execute
>>>>>>>
>>>>>>>     return self._execute_with_wrappers(
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 80, in _execute_with_wrappers
>>>>>>>
>>>>>>>     return executor(sql, params, many, context)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 84, in _execute
>>>>>>>
>>>>>>>     with self.db.wrap_database_errors:
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/utils.py",
>>>>>>>  
>>>>>>> line 91, in __exit__
>>>>>>>
>>>>>>>     raise dj_exc_value.with_traceback(traceback) from exc_value
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/utils.py",
>>>>>>>  
>>>>>>> line 89, in _execute
>>>>>>>
>>>>>>>     return self.cursor.execute(sql, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>>   File 
>>>>>>> "/Users/werker/Projects/domain_reader/.venv/lib/python3.11/site-packages/django/db/backends/sqlite3/base.py",
>>>>>>>  
>>>>>>> line 328, in execute
>>>>>>>
>>>>>>>     return super().execute(query, params)
>>>>>>>
>>>>>>>            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>>>>>>
>>>>>>> django.db.utils.IntegrityError: NOT NULL constraint failed: 
>>>>>>> domain_sources_app_characternumber.number_of_combinations
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ----------------------------------------------------------------------
>>>>>>>
>>>>>>> Ran 3 tests in 0.008s
>>>>>>>
>>>>>>>
>>>>>>> FAILED (errors=3)
>>>>>>>
>>>>>>> Destroying test database for alias 'default'...
>>>>>>>
>>>>>>> Code for test:
>>>>>>> from io import StringIO
>>>>>>>
>>>>>>> from django.core.management import call_command
>>>>>>> from django.test import TestCase
>>>>>>>
>>>>>>> from domain_sources_app.models import CharacterNumber
>>>>>>>
>>>>>>>
>>>>>>> class PopulateSourceTests(TestCase):
>>>>>>> """Testcases for Django-admin command populate_source."""
>>>>>>> def test_command_output_small(self):
>>>>>>> """Test for failure with value '0'."""
>>>>>>> out = StringIO()
>>>>>>> call_command("populate_source", 0, stdout=out)
>>>>>>> self.assertIn("Alleen hele getallen > 0 toegestaan", out.getvalue())
>>>>>>>
>>>>>>> def test_command_output_been_there(self):
>>>>>>> """Test for failure: in_use = True."""
>>>>>>>
>>>>>>> thingy = CharacterNumber(
>>>>>>> number_of_characters=1,
>>>>>>> in_use=True,
>>>>>>> )
>>>>>>> thingy.save()
>>>>>>>
>>>>>>> out = StringIO()
>>>>>>> call_command(
>>>>>>> "populate_source",
>>>>>>> 1,
>>>>>>> stdout=out,
>>>>>>> )
>>>>>>> self.assertIn("Teksten voor nummer 1 zijn al \
>>>>>>> eerder gegenereerd", out.getvalue())
>>>>>>>
>>>>>>> def test_command_output_success(self):
>>>>>>> """Test for success: in_use = False."""
>>>>>>>
>>>>>>> thingy = CharacterNumber(
>>>>>>> number_of_characters=1,
>>>>>>> in_use=False,
>>>>>>> )
>>>>>>> thingy.save()
>>>>>>>
>>>>>>> out = StringIO()
>>>>>>> call_command(
>>>>>>> "populate_source",
>>>>>>> 1,
>>>>>>> stdout=out,
>>>>>>> )
>>>>>>> self.assertIn("Teksten gegenereerd voor nummer 1", out.getvalue())
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Code for the command:
>>>>>>> from django.core.management.base import BaseCommand
>>>>>>> from django.core.management.base import CommandError
>>>>>>>
>>>>>>> from domain_sources_app.models import CharacterNumber
>>>>>>> from domain_sources_app.generate_domain_strings import 
>>>>>>> generate_domain_strings
>>>>>>>
>>>>>>>
>>>>>>> class Command(BaseCommand):
>>>>>>> """Populate Result with inital strings of
>>>>>>> a certain length.
>>>>>>>
>>>>>>> Args:
>>>>>>> BaseCommand (_type_): _description_
>>>>>>>
>>>>>>> Raises:
>>>>>>> CommandError: _description_
>>>>>>> """
>>>>>>> help = "Genereert de te onderzoeken combinaties bij de opgegeven 
>>>>>>> lengte"
>>>>>>>
>>>>>>> def add_arguments(self, parser):
>>>>>>> parser.add_argument("character_number_ids", nargs="+", type=int)
>>>>>>>
>>>>>>> def handle(self, *args, **options):
>>>>>>> for character_number_id in options["character_number_ids"]:
>>>>>>> if character_number_id < 1:
>>>>>>> raise CommandError('Alleen hele getallen > 0 toegestaan')
>>>>>>> else:
>>>>>>> try:
>>>>>>> thingy = CharacterNumber.objects.get(
>>>>>>> pk=character_number_id
>>>>>>> )
>>>>>>> except CharacterNumber.DoesNotExist:
>>>>>>> raise CommandError(
>>>>>>> f'Opgegeven sleutel {character_number_id} \
>>>>>>> niet gevonden')
>>>>>>>
>>>>>>> if not thingy.in_use:
>>>>>>> # generate for this number:
>>>>>>> generate_domain_strings(character_number_id)
>>>>>>> # register use of CharacterNumber
>>>>>>> thingy.in_use = True
>>>>>>> thingy.save()
>>>>>>>
>>>>>>> self.stdout.write(
>>>>>>> self.style.SUCCESS(
>>>>>>> f'Teksten zijn gegenereerd voor \
>>>>>>> tekstlengte {character_number_id}'
>>>>>>> )
>>>>>>> )
>>>>>>> else:
>>>>>>> raise CommandError(
>>>>>>> f'Teksten voor nummer {character_number_id} zijn al \
>>>>>>> eerder gegenereerd'
>>>>>>> )
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Bob
>>>>>>>
>>>>>>> -- 
>>>>>>> You received this message because you are subscribed to the Google 
>>>>>>> Groups "Django users" group.
>>>>>>> To unsubscribe from this group and stop receiving emails from it, 
>>>>>>> send an email to [email protected].
>>>>>>> To view this discussion on the web visit 
>>>>>>> https://groups.google.com/d/msgid/django-users/1d0ce155-35e7-4049-88d4-80124c83dedcn%40googlegroups.com
>>>>>>>  
>>>>>>> <https://groups.google.com/d/msgid/django-users/1d0ce155-35e7-4049-88d4-80124c83dedcn%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>>>> .
>>>>>>>
>>>>>> -- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "Django users" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to [email protected].
>>>> To view this discussion on the web visit 
>>>> https://groups.google.com/d/msgid/django-users/723ee45e-6b7f-4434-b2d8-64ecb3170ff2n%40googlegroups.com
>>>>  
>>>> <https://groups.google.com/d/msgid/django-users/723ee45e-6b7f-4434-b2d8-64ecb3170ff2n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>>

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