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Allow to init_app correctly without specifying db. #118

Merged

miguelgrinberg merged 1 commit into miguelgrinberg:master from vakimov:patch__init_app

Jul 10, 2016

Contributor

vakimov commented Jul 10, 2016

When using app factory like this:

db = SQLAlchemy()
migrate = Migrate(db=db)

def create_app():
    pp = Flask(__name__)
    db.init_app(app)
    migrate.init_app(app)

I've go the next error:

...
  File "migrations/env.py", line 23, in <module>
    target_metadata = current_app.extensions['migrate'].db.metadata
AttributeError: 'NoneType' object has no attribute 'metadata'


          Allow to init_app correctly without specifying db.

e339f27

miguelgrinberg merged commit db82f67 into miguelgrinberg:master

Owner

miguelgrinberg commented Jul 10, 2016

Looks good. Thanks!

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