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IMAP: added sanity check for \Deleted in PERMANENTFLAGS.

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This commit is contained in:
Nikolaus Schulz 2008-04-08 19:31:11 +00:00
parent 681fd0c527
commit 775952ec98
1 changed files with 14 additions and 0 deletions
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14
archivemail.py
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@ -1555,6 +1555,20 @@ def imap_smart_select(srv, mailbox):
if result != 'OK':
unexpected_error("selecting '%s' failed; server says: '%s'." \
% (mailbox, response[0]))
if not options.copy_old_mail:
# Sanity check that we don't silently fail to delete messages.
# As to the following indices: IMAP4.response(key) returns
# a tuple (key, ['<all_items>']) if the key is found, (key, [None])
# otherwise. Imaplib just *loves* to nest trivial lists!
permflags = srv.response("PERMANENTFLAGS")[1][0]
if permflags:
permflags = permflags.strip('()').lower().split()
if not '\\deleted' in permflags:
unexpected_error("Server doesn't allow deleting messages in " \
"'%s'." % mailbox)
elif "IMAP4REV1" in srv.capabilities:
vprint("Suspect IMAP4rev1 server, doesn't send PERMANENTFLAGS " \
"upon SELECT")
def imap_find_mailbox(srv, mailbox):