{
  "context": "This criteria evaluates how well the engineer uses Flask-WTF's MultipleFileField and associated file upload validators to implement a photo gallery upload form. The focus is on proper usage of MultipleFileField for handling multiple file uploads, FileAllowed for extension validation, and FileSize for size validation.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "MultipleFileField usage",
      "description": "Uses MultipleFileField from flask_wtf.file to create a field that accepts multiple file uploads in the PhotoGalleryForm class.",
      "max_score": 30
    },
    {
      "name": "FileAllowed validator",
      "description": "Applies the FileAllowed validator to the multiple file field with the correct allowed extensions (jpg, png, gif) to restrict uploads to image files only.",
      "max_score": 25
    },
    {
      "name": "FileSize validator",
      "description": "Applies the FileSize validator to the multiple file field with min=10240 (10KB) and max=5242880 (5MB) to enforce file size boundaries.",
      "max_score": 25
    },
    {
      "name": "FileRequired validator",
      "description": "Uses DataRequired or a similar validator to ensure at least one file is uploaded, or implements custom validation to check that the file list is not empty.",
      "max_score": 10
    },
    {
      "name": "FlaskForm integration",
      "description": "PhotoGalleryForm correctly inherits from FlaskForm to enable automatic CSRF protection and request data binding.",
      "max_score": 10
    }
  ]
}