Joby používají link_to_dir a unlink_if_needed

mo/jobs/__init__.py

@@ -2,7 +2,6 @@
 
 from datetime import timedelta
 import os
-import secrets
 from sqlalchemy import or_
 from typing import Optional, Dict, Callable, List
 
@@ -49,14 +48,8 @@ class TheJob:
     def attach_file(self, tmp_name: str, suffix: str):
         """Vytvoří hardlink na daný pracovní soubor v adresáři jobů."""
 
-        while True:
-            name = secrets.token_hex(16) + suffix
-            try:
-                os.link(tmp_name, job_file_path(name))
-                break
-            except FileExistsError:
-                pass
-
+        full_name = mo.util.link_to_dir(tmp_name, mo.util.data_dir('jobs'))
+        name = os.path.basename(full_name)
         logger.debug(f'Job: Příloha {tmp_name} -> {name}')
         return name
 
@@ -74,10 +67,10 @@ class TheJob:
         job = self.job
 
         if job.in_file is not None:
-            os.unlink(job_file_path(job.in_file))
+            mo.util.unlink_if_needed(job_file_path(job.in_file))
 
         if job.out_file is not None:
-            os.unlink(job_file_path(job.out_file))
+            mo.util.unlink_if_needed(job_file_path(job.out_file))
 
         sess.delete(job)
         sess.commit()