restfax.blogg.se - Uninstall valentina studio

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This should create a note_app migration that deletes all of the models you just commended out. Take a minute to make sure none of these fields were missed if they were, then delete those fields that remain and create migrations that will remove the fields from your database. It’s important that any fields that point to note_app models from models in other apps need to be deleted before you continue.

Note that depending on how you define ForeignKey, OneToOne and ManyToMany fields, you may have missed some keys to your note_app models in step 1.

You may have missed some model imports in step 1.

Look for and resolve errors when trying to run your Django app.

You may need to also remove entries from note_app.admin file if you registered your note_app models with Django admin.

Comment out all models in note_app.models.

You may want to exclude the note_app directory from your search. The easiest way to do this is a project-wide search for “from note_app”.

Search through your other apps for any note_app imports.

Let’s pretend we’re removing an app called note_app: To completely remove a Django app (with models), follow the steps below. Safely Remove a Django app by Jordan Haines

Signal receivers receiving signals defined in other apps might be an issue in rolling deployment.

Also be aware of cascade delete if you have not just schema migrations but also data migrations.

So be careful if your other apps migrations depend on these migrations.

migrate zero will revert all migrations depending on those migrations.

Also any references in settings.py (but keep it in INSTALLED_APPS so we can run migrations), urls.py, etc.

#Uninstall valentina studio code#

Make sure to remove code importing this app from other apps.

Deploy basically refers to python manage.py migrate which is normally done in automated deployment.

#Uninstall valentina studio manual#

Manual means it normally cannot be done in automated deployment. This answer is thinking in an automated rolling deployment context (e.g. Remove the app (code, INSTALLED_APPS, urls.py, etc.).Remove app (code, INSTALLED_APPS, urls.py, etc.).This will revert all the migrations for the app and clean the django_migrations table (Manual) Run python manage.py migrate zero.This is essential for rolling deployment. Now remove "my_app_to_remove" from settings.py and deploy again.Īs a first step, prevent any usage of the app models and deploy. Step 3: remove "my_app_to_remove" from settings.py

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Tell the team mates to update their project and to run the migrations. Leave my_app_to_remove in the file "settings.py". My_app_to_remove/migrations/0030_drop_all_tables.py My_app_to_remove/migrations/0001_initial.py The directory looks now like this: my_app_to_remove/ Remove all files from the app, except the folder "migrations"Įxecute this command: python manage.py makemigrations -n drop_all_tables my_app_to_remove

Step 1: empty the app, but leave it installed

Goal: Remove the app and all database tables. This means I don't want to execute sql commands by hand. In my context the projects exists several times: I have a development system, some team mates have a development system, there is a staging system for the customer and a production system. Print "deleting %s"%c # print(f"deleting ") # for Python 3.6+ (optional) I would also remove any stale content types. Also be wary of lingering session data that might be leftover from the app.

(optional) If the app stored media files, cache files, or other temporary files somewhere, you may want to delete those as well. If you no longer want the app's files hanging around, delete the app directory from your project directory or other location on your PYTHONPATH where it resides. To remove the app from your project, all you need to do is remove it from INSTALLED_APPS in your project's settings.py. manage.py migrate my_app_name zero (see the migrate docs), which runs the database cleaning automatically. You still need to copy and paste (or pipe) those statements into your SQL client. manage.py sqlclear my_app_name gets you get the SQL statements that should be executed to get rid of all traces of the app in your DB. See the sqlclear docs for more information. Django < 1.7 has a handy management command that will give you the necessary SQL to drop all the tables for an app.