{
  "context": "This evaluation assesses how effectively an engineer uses the requests-cache library to implement Last-Modified validation with If-Modified-Since conditional requests. The criteria focus specifically on proper usage of requests-cache's conditional request capabilities and cache revalidation features.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "CachedSession initialization",
      "description": "Uses requests_cache.CachedSession class to create a persistent HTTP cache session. The implementation should properly initialize the session with a cache_name parameter to specify the SQLite database for persistent storage.",
      "max_score": 20
    },
    {
      "name": "Automatic revalidation",
      "description": "Configures the CachedSession with always_revalidate=True parameter to enable automatic conditional request validation. This ensures that cached responses are validated with the server using If-Modified-Since headers from the cached Last-Modified timestamp.",
      "max_score": 30
    },
    {
      "name": "Cache persistence",
      "description": "Properly utilizes the cache persistence features to store responses across multiple fetch calls. The implementation should demonstrate that responses remain cached between method invocations.",
      "max_score": 20
    },
    {
      "name": "Multiple URL handling",
      "description": "Correctly uses the same CachedSession instance to handle multiple URLs efficiently, demonstrating that conditional requests work for each cached resource independently.",
      "max_score": 15
    },
    {
      "name": "Response content access",
      "description": "Properly accesses and returns the response body content using standard requests library attributes (response.text or response.content) from the CachedResponse objects returned by the session's GET requests.",
      "max_score": 15
    }
  ]
}