Refactor DB lifecycle functions init and cleanup to separate db.lifecycle module.

paskia/db/__init__.py

@@ -27,10 +27,10 @@ from paskia.db.background import (
     stop_cleanup,
 )
 from paskia.db.bootstrap import bootstrap
+from paskia.db.lifecycle import cleanup_expired, init
 from paskia.db.operations import (
     add_permission_to_org,
     add_permission_to_role,
-    cleanup_expired,
     create_credential,
     create_credential_session,
     create_org,
@@ -52,7 +52,6 @@ from paskia.db.operations import (
     get_reset_token,
     get_user_credential_ids,
     get_user_organization,
-    init,
     login,
     remove_permission_from_org,
     remove_permission_from_role,

paskia/db/background.py

@@ -8,7 +8,8 @@ import asyncio
 import logging
 from datetime import UTC, datetime
 
-from paskia.db.operations import _store, cleanup_expired
+import paskia.db.operations as _ops
+from paskia.db.lifecycle import cleanup_expired
 
 FLUSH_INTERVAL = 0.1  # Flush to disk
 CLEANUP_INTERVAL = 1  # Expired item cleanup
@@ -20,11 +21,11 @@ _background_task: asyncio.Task | None = None
 
 async def flush() -> None:
     """Write all pending database changes to disk."""
-
-    if _store is None:
+    store = _ops._store
+    if store is None:
         _logger.warning("flush() called but _store is None")
         return
-    await _store.flush()
+    await store.flush()
 
 
 async def _background_loop():

paskia/db/lifecycle.py

@@ -0,0 +1,39 @@
+"""
+Database lifecycle: initialization and maintenance.
+"""
+
+import logging
+import os
+from datetime import UTC, datetime
+
+import paskia.db.operations as _ops
+
+_logger = logging.getLogger(__name__)
+
+
+async def init(rp_id: str = "localhost", *args, **kwargs):
+    """Load database from JSONL file."""
+    if _ops._initialized:
+        _logger.debug("Database already initialized, skipping reload")
+        return
+    default_path = f"{rp_id}.paskiadb"
+    db_path = os.environ.get("PASKIA_DB", default_path)
+    await _ops._store.load(db_path, rp_id=rp_id)
+    _ops._db = _ops._store.db
+    _ops._initialized = True
+
+
+def cleanup_expired() -> int:
+    """Remove expired sessions and reset tokens. Returns count removed."""
+    now = datetime.now(UTC)
+    count = 0
+    with _ops._db.transaction("expiry"):
+        expired_sessions = [k for k, s in _ops._db.sessions.items() if s.expiry < now]
+        for k in expired_sessions:
+            del _ops._db.sessions[k]
+            count += 1
+        expired_tokens = [k for k, t in _ops._db.reset_tokens.items() if t.expiry < now]
+        for k in expired_tokens:
+            del _ops._db.reset_tokens[k]
+            count += 1
+    return count

paskia/db/operations.py

@@ -8,7 +8,6 @@ Write operations: Functions that validate and commit, or raise ValueError.
 
 import hashlib
 import logging
-import os
 from datetime import UTC, datetime, timedelta
 from uuid import UUID
 
@@ -41,19 +40,6 @@ _db._store = _store
 _initialized = False
 
 
-async def init(rp_id: str = "localhost", *args, **kwargs):
-    """Load database from JSONL file."""
-    global _db, _initialized
-    if _initialized:
-        _logger.debug("Database already initialized, skipping reload")
-        return
-    default_path = f"{rp_id}.paskiadb"
-    db_path = os.environ.get("PASKIA_DB", default_path)
-    await _store.load(db_path, rp_id=rp_id)
-    _db = _store.db
-    _initialized = True
-
-
 # -------------------------------------------------------------------------
 # Read/lookup functions
 # -------------------------------------------------------------------------
@@ -555,27 +541,6 @@ def delete_reset_token(key: bytes, *, ctx: SessionContext | None = None) -> None
         _db.reset_tokens[key].delete()
 
 
-# -------------------------------------------------------------------------
-# Cleanup (called by background task)
-# -------------------------------------------------------------------------
-
-
-def cleanup_expired() -> int:
-    """Remove expired sessions and reset tokens. Returns count removed."""
-    now = datetime.now(UTC)
-    count = 0
-    with _db.transaction("expiry"):
-        expired_sessions = [k for k, s in _db.sessions.items() if s.expiry < now]
-        for k in expired_sessions:
-            del _db.sessions[k]
-            count += 1
-        expired_tokens = [k for k, t in _db.reset_tokens.items() if t.expiry < now]
-        for k in expired_tokens:
-            del _db.reset_tokens[k]
-            count += 1
-    return count
-
-
 # -------------------------------------------------------------------------
 # Composite operations (used by app code)
 # -------------------------------------------------------------------------