implement cache drop

corrlib/meas_io.py

@@ -8,6 +8,7 @@ from typing import Union
 from pyerrors import Obs, Corr, dump_object, load_object
 from hashlib import sha256
 from .tools import cached
+import shutil
 
 
 def write_measurement(path, ensemble, measurement, uuid, code, parameter_file=None):
@@ -194,3 +195,8 @@ def drop_record(path: str, meas_path: str):
         return
     else:
         raise ValueError("This measurement does not exist as a file!")
+
+def drop_cache(path: str):
+    cache_dir = os.path.join(path, ".cache")
+    for f in os.listdir(cache_dir):
+        shutil.rmtree(os.path.join(cache_dir, f))