From 4c4a5fd670c798d7a87230c4bd383ffb9f21ec1c Mon Sep 17 00:00:00 2001
From: Justus Kuhlmann <justus@kuhl-mann.de>
Date: Wed, 6 May 2026 18:02:25 +0200
Subject: [PATCH] add checks of the format of the paths in the database

---
 corrlib/cli.py       |  8 ++++----
 corrlib/find.py      |  7 +++++++
 corrlib/integrity.py | 30 +++++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/corrlib/cli.py b/corrlib/cli.py
index bdee36e..334dd33 100644
--- a/corrlib/cli.py
+++ b/corrlib/cli.py
@@ -4,7 +4,7 @@ from corrlib import __app_name__
 
 from .initialization import create
 from .toml import import_tomls, update_project, reimport_project
-from .find import find_record, list_projects
+from .find import find_record, list_projects, list_ensembles
 from .tools import str2list
 from .main import update_aliases
 from .meas_io import drop_cache as mio_drop_cache
@@ -56,9 +56,9 @@ def lister(
     """
     if entities in ['ensembles', 'Ensembles','ENSEMBLES']:
         print("Ensembles:")
-        for item in os.listdir(path / "archive"):
-            if os.path.isdir(path / "archive" / item):
-                print(item)
+        results = list_ensembles(path)
+        for e in results:
+            print(e)
     elif entities == 'projects':
         results = list_projects(path)
         print("Projects:")
diff --git a/corrlib/find.py b/corrlib/find.py
index ea696b1..fbdd801 100644
--- a/corrlib/find.py
+++ b/corrlib/find.py
@@ -382,3 +382,10 @@ def list_projects(path: Path) -> list[tuple[str, str]]:
     conn.close()
     return results
 
+
+def list_ensembles(path: Path) -> list[str]:
+    res = []
+    for item in os.listdir(path / "archive"):
+        if os.path.isdir(path / "archive" / item):
+            res.append(item)
+    return res
diff --git a/corrlib/integrity.py b/corrlib/integrity.py
index f660dfe..5a3ae05 100644
--- a/corrlib/integrity.py
+++ b/corrlib/integrity.py
@@ -7,7 +7,7 @@ from .tracker import get
 import pyerrors.input.json as pj
 import os
 from configparser import ConfigParser
-
+from .find import list_ensembles, list_projects
 from typing import Any
 
 
@@ -64,6 +64,31 @@ def are_keys_unique(db: Path, table: str, col: str) -> bool:
     return bool(results[0] == results[1])
 
 
+def check_path_format(result: pd.Series, ensembles: list[str], projects: list[str]) -> None:
+    """
+    Check whether the path of the given result has the right format.
+
+    Parameters
+    ----------
+    result: pd.Series
+        The result to be checked.
+    """
+    p = result['path']
+    if not p.startswith('archive'):
+        raise ValueError(f'The path {p} does not start correctly')
+
+    meas_key = p.split('::')[1]
+    ensemble = p.split('/')[1]
+    project = p.split('/')[2].split('::')[0]
+    if not len(meas_key) == 64:
+        raise ValueError(f'meas_key of {p} is scrambled')
+    if ensemble not in ensembles:
+        raise ValueError(f'meas_key of {p} points to an unknown ensemble')
+    if project not in projects:
+        raise ValueError(f'meas_key of {p} points to an unknown project id')
+
+
+
 def check_db_integrity(path: Path) -> None:
     """
     Check intergrity of the database by checking the uniqueness of the record keys used to load the records
@@ -82,10 +107,13 @@ def check_db_integrity(path: Path) -> None:
     search_expr = "SELECT * FROM 'backlogs'"
     conn = sqlite3.connect(path / db)
     results = pd.read_sql(search_expr, conn)
+    ensembles = list_ensembles(path)
+    projects = [p[0] for p in list_projects(path)]
 
     for _, result in results.iterrows():
         if not has_valid_times(result):
             raise ValueError(f"Result with id {result[id]} has wrong time signatures.")
+        check_path_format(result, ensembles, projects)
     return