Refactor logging statements to use f-strings for improved readability and consistency across the codebase. This change enhances the clarity of log messages by directly embedding variable values, making it easier to trace and debug application behavior.

python/ebook_search/bm25_corpus.py

@@ -80,23 +80,19 @@ async def ensure_bm25_corpus(session: AsyncSession, config: EbookSearchConfig) -
     manifest = read_bm25_manifest(index_path)
     db_updated_at = await corpus_last_updated_at(session)
     if not bm25_index_exists(index_path, manifest):
-        logger.info("ebook_bm25_index_missing path=%s", index_path)
+        logger.info(f"ebook_bm25_index_missing {index_path=}")
         await refresh_bm25_corpus(session, config, db_updated_at=db_updated_at)
         return
     if db_updated_at is not None and manifest is not None and manifest.created_at < db_updated_at:
         logger.info(
-            "ebook_bm25_index_stale path=%s created_at=%s db_updated_at=%s",
-            index_path,
-            manifest.created_at.isoformat(),
-            db_updated_at.isoformat(),
+            f"ebook_bm25_index_stale {index_path=} created_at={manifest.created_at.isoformat()} "
+            f"db_updated_at={db_updated_at.isoformat()}"
         )
         await refresh_bm25_corpus(session, config, db_updated_at=db_updated_at)
         return
     logger.info(
-        "ebook_bm25_index_current path=%s chunks=%s created_at=%s",
-        index_path,
-        manifest.chunk_count if manifest else 0,
-        manifest.created_at.isoformat() if manifest else None,
+        f"ebook_bm25_index_current {index_path=} chunks={manifest.chunk_count if manifest else 0} "
+        f"created_at={manifest.created_at.isoformat() if manifest else None}"
     )
 
 
@@ -119,10 +115,7 @@ async def refresh_bm25_corpus(
     )
     await asyncio.to_thread(write_bm25_corpus, index_path, records, texts, manifest)
     logger.info(
-        "ebook_bm25_index_refreshed path=%s chunks=%s created_at=%s",
-        index_path,
-        manifest.chunk_count,
-        manifest.created_at.isoformat(),
+        f"ebook_bm25_index_refreshed {index_path=} {manifest.chunk_count=} created_at={manifest.created_at.isoformat()}"
     )
     return manifest
 
@@ -135,7 +128,7 @@ def load_bm25_corpus(config: EbookSearchConfig) -> BM25Corpus:
     """
     index_path = bm25_index_path(config)
     active_index_path = get_current_bm25_index(index_path)
-    logger.info("ebook_bm25_corpus_cache_load path=%s active_path=%s", index_path, active_index_path)
+    logger.info(f"ebook_bm25_corpus_cache_load {index_path=} {active_index_path=}")
     manifest = read_bm25_manifest(index_path)
     if manifest is None or not bm25_index_exists(index_path, manifest):
         msg = f"BM25 corpus is not available: {index_path}"