try fix CI

chatmaild/src/chatmaild/expire.py

@@ -18,6 +18,10 @@ FileEntry = namedtuple("FileEntry", ("relpath", "mtime", "size"))
 
 
 def iter_mailboxes(basedir, maxnum):
+    if not os.path.exists(basedir):
+        print_info(f"no mailboxes found at: {basedir}")
+        return
+
     for name in os.listdir(basedir)[:maxnum]:
         if "@" in name:
             yield MailboxStat(basedir + "/" + name)

chatmaild/src/chatmaild/tests/test_expire.py

@@ -6,7 +6,7 @@ from pathlib import Path
 
 import pytest
 
-from chatmaild.expire import FileEntry, MailboxStat
+from chatmaild.expire import FileEntry, MailboxStat, iter_mailboxes
 from chatmaild.expire import main as expiry_main
 from chatmaild.fsreport import main as report_main
 
@@ -51,6 +51,12 @@ def test_filentry_ordering(tmp_path):
     assert l == sorted
 
 
+def test_no_mailbxoes(tmp_path, capsys):
+    assert [] == list(iter_mailboxes(str(tmp_path.joinpath("notexists")), maxnum=10))
+    out, err = capsys.readouterr()
+    assert "no mailboxes" in err
+
+
 def test_stats_mailbox(mbox1):
     password = Path(mbox1.basedir).joinpath("password")
     assert mbox1.last_login == password.stat().st_mtime