{
  "context": "This evaluation assesses how effectively the engineer uses google-auth-oauthlib package functions to load OAuth client configuration from files, validate configuration parameters, and create properly configured OAuth2Session instances for authorization flows.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Load client secrets",
      "description": "Uses google_auth_oauthlib.helpers.load_client_secrets() or similar function from the package to read and parse the client secrets JSON file",
      "max_score": 25
    },
    {
      "name": "Handle client types",
      "description": "Correctly handles both 'installed' and 'web' client type configurations from the loaded client secrets, properly extracting the nested configuration structure",
      "max_score": 15
    },
    {
      "name": "Session creation function",
      "description": "Uses google_auth_oauthlib.helpers.session_from_client_config() or google_auth_oauthlib.helpers.session_from_client_secrets_file() to create OAuth2Session instances",
      "max_score": 30
    },
    {
      "name": "Configuration validation",
      "description": "Validates that required OAuth fields (auth_uri, token_uri, client_id) are present in the configuration before creating the session",
      "max_score": 15
    },
    {
      "name": "Scope handling",
      "description": "Correctly passes scopes parameter when creating the OAuth2Session so that the session is configured with the requested OAuth scopes",
      "max_score": 10
    },
    {
      "name": "Error handling",
      "description": "Properly handles and raises appropriate errors for missing files, invalid configuration formats, and missing required fields as specified in the problem",
      "max_score": 5
    }
  ]
}