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How can you register blueprints inside an application factory to keep code modular?

hard📝 Application Q9 of 15
Flask - Ecosystem and Patterns
How can you register blueprints inside an application factory to keep code modular?
AImport and register blueprints inside the factory function after app creation
BRegister blueprints globally before factory runs
CDefine blueprints inside the factory without importing
DBlueprints cannot be used with factory pattern
Step-by-Step Solution
Solution:

  1. Step 1: Recall blueprint registration best practice

    Blueprints should be imported and registered inside the factory after app creation to keep modularity.

  2. Step 2: Analyze options

    Import and register blueprints inside the factory function after app creation correctly describes this. Register blueprints globally before factory runs is wrong because blueprints need app instance. Define blueprints inside the factory without importing is impractical. Blueprints cannot be used with factory pattern is false.

  3. Final Answer:

    Import and register blueprints inside the factory function after app creation -> Option A

  4. Quick Check:

    Blueprint registration method = B [OK]
Quick Trick: Register blueprints inside factory after app creation [OK]
Common Mistakes:
MISTAKES
  • Registering blueprints before app exists
  • Defining blueprints only inside factory without import
  • Thinking blueprints don't work with factory

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