Unable to run django custom command

Question

I've create a command in app/management/commands and this command was working fine. I'm unable to run this command now. I'm getting the following error:

Unknown command: 'my_custom_command_name'

I'm using a virtual env. I don't see this in list of commands when I type pythong manage.py. I've this app installed in my settings and It was working previously

check if the following files exists: app/__init__.py app/management/__init__.py app/commands/__init__.py The manager might not be able to import those modules. — andrefsp
– andrefsp, Commented Nov 8, 2012 at 14:07
if you go to you django shell ./manage.py shell com you do an import app ? and does your app/ contains any models.py file? — andrefsp
– andrefsp, Commented Nov 8, 2012 at 14:15
And you're running python manage.py with the virtualenv activated? And the app is in the python path? — Micah Carrick
– Micah Carrick, Commented Nov 8, 2012 at 14:31

hynekcer · Accepted Answer · 2019-10-22 08:39:57Z

8

Sufficient conditions:

1) The management command can be imported by:

$ python manage.py shell
>>> from yourapp.management.commands import yourcommand

(If it can't be imported then you probably easily get more details about the specific import problem. An answer can be eventually much easier searched or it is usually very trivial.)

2) The app implementing a management command for Django should be installed as a directory with individual files, not compressed into egg file. You can use the keyword parameter zip_safe=False in setup.py for preventing zipped installation. (This parameter is frequently not necessary if the False value is recognized correctly by autodetection. So it is even more surprising in other cases.)

edited Oct 22, 2019 at 8:39

answered Nov 8, 2012 at 15:59

hynekcer

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2 Comments

Reinout van Rees Over a year ago

For more fine-grained debug where the problem is you can try the imports one at a time. "import yourapp", "import yourapp.management", "import yourapp.management.commands".

hynekcer Over a year ago

Yes, I summarized the first condition the shortest possible way because wasimbhalli confirmed the question about correct imports yet.

wasimbhalli · Accepted Answer · 2012-11-09 11:43:06Z

1

That's really weird. When I tried to run:

$ python manage.py shell

I got the following error:

Error: cannot import name urandom

I searched for the error and found that I need to recreate my virtual env so I used the following command:

virtualenv /path/to/my/virtualenv

and then I was able to use django commands or my custom command the usual way :s

answered Nov 9, 2012 at 11:43

wasimbhalli

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Comments

Aneesh Panoli · Accepted Answer · 2021-04-03 07:03:12Z

0

Sometimes this can happen if you haven't added your app to

INSTALLED_APPS = [ 'app', ]

in settings.py

answered Apr 3, 2021 at 7:03

Aneesh Panoli

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