Permissions would be set even if user didn't set any

Windows developers like me shouldn't do permissions stuff..

sabnzbd/filesystem.py

@@ -561,13 +561,10 @@ def create_all_dirs(path, apply_umask=False):
         else:
             # We need to build the directory recursively so we can
             # apply permissions to only the newly created folders
-            # We cannot use os.makedirs() to do this as it ignores the mode
-            try:
-                # Try the user permissions setting
-                umask = int(sabnzbd.cfg.umask(), 8) | int("0700", 8)
-            except:
-                # Use default
-                umask = int("0700", 8)
+            # We cannot use os.makedirs() as it could ignore the mode
+            umask = sabnzbd.cfg.umask()
+            if umask:
+                umask = int(umask, 8) | int("0700", 8)
 
             # Build path from root
             path_part_combined = "/"
@@ -578,7 +575,7 @@ def create_all_dirs(path, apply_umask=False):
                     if not os.path.exists(path_part_combined):
                         os.mkdir(path_part_combined)
                         # Try to set permissions if desired, ignore failures
-                        if apply_umask:
+                        if umask and apply_umask:
                             set_chmod(path_part_combined, umask, report=False)
         return path
     except OSError:

tests/test_filesystem.py

@@ -786,6 +786,13 @@ class TestCreateAllDirs(ffs.TestCase, PermissionCheckerHelper):
         with pytest.raises(OSError):
             self._permissions_runner("/test_base450", perms_base="0450")
 
+    @set_config({"umask": ""})
+    def test_no_umask(self):
+        self._permissions_runner("/test_base_perm700", perms_base="0700")
+        self._permissions_runner("/test_base_perm750", perms_base="0750")
+        self._permissions_runner("/test_base_perm777", perms_base="0777")
+        self._permissions_runner("/test_base_perm600", perms_base="0600")
+
     def _permissions_runner(self, test_base, perms_base="0700", apply_umask=True):
         # Create base directory and set the base permissions
         perms_base_int = int(perms_base, 8)
@@ -799,7 +806,7 @@ class TestCreateAllDirs(ffs.TestCase, PermissionCheckerHelper):
 
         # If permissions needed to be set, verify the new folder has the
         # right permissions and verify the base didn't change
-        if apply_umask:
+        if apply_umask and cfg.umask():
             perms_test_int = int(cfg.umask(), 8) | int("0700", 8)
         else:
             # Get the current umask, since os.mkdir masks that out