export db data, re-apply migrations, import db data

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pipenv run python manage.py dumpdata > fixtures/db.json
pipenv run python manage.py flush
pipenv run python manage.py migrate
pipenv run python manage.py loaddata fixtures/db.json

Remove entries from db.json:

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      "model":"contenttypes.contenttype",
      "model":"sessions.session",
      "model":"auth.permission",

migrating 2.7 to 3.7.1

Need to purge heroku cache, and to do that, need to install the heroku-repo plugin; without it, will see › Warning: repo:purge_cache is not a heroku command.

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heroku plugins:install heroku-repo
heroku repo:purge_cache -a eatables-test
# or
heroku repo:reset -a eatables-test

Also needed to upgrade the heroku stack; without this, the install was failing at installing pip:

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remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Python app detected
remote: -----> Installing python-3.7.1
remote: -----> Installing pip
remote:  !     Push rejected, failed to compile Python app.
remote:
remote:  !     Push failed
remote: Verifying deploy...
remote:
remote: !       Push rejected to eatables-test.
remote:

Upgrade with:

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heroku stack:set heroku-18 -a eatables-test

export db data, re-apply migrations, import db data#

export db data, re-apply migrations, import db data