mirror of
https://git.code.sf.net/p/archivemail/code
synced 2024-12-22 07:42:55 +00:00
Expand wildcards in IMAP mailbox names
The only non-obvious code change required for this is due to the fact that computing the archive names has to move into the format-specific archiving functions, because they can no longer be derived from the mailbox name beforehand.
This commit is contained in:
Nikolaus Schulz
parent
910b507a2d
commit
f08403c99b
1 changed files with 129 additions and 123 deletions
252
archivemail
252
archivemail
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@ -1090,13 +1090,7 @@ def archive(mailbox_name):
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set_signal_handlers()
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os.umask(077) # saves setting permissions on mailboxes/tempfiles
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final_archive_name = make_archive_name(mailbox_name)
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vprint("archiving '%s' to '%s' ..." % (mailbox_name, final_archive_name))
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check_archive(final_archive_name)
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dest_dir = os.path.dirname(final_archive_name)
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if not dest_dir:
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dest_dir = os.getcwd()
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check_sane_destdir(dest_dir)
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vprint("processing '%s'" % mailbox_name)
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is_imap = urlparse.urlparse(mailbox_name)[0] in ('imap', 'imaps')
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if not is_imap:
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# Check if the mailbox exists, and refuse to mess with other people's
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@ -1121,19 +1115,19 @@ def archive(mailbox_name):
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if is_imap:
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vprint("guessing mailbox is of type: imap(s)")
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_archive_imap(mailbox_name, final_archive_name)
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_archive_imap(mailbox_name)
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elif os.path.isfile(mailbox_name):
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vprint("guessing mailbox is of type: mbox")
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_archive_mbox(mailbox_name, final_archive_name)
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_archive_mbox(mailbox_name)
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elif os.path.isdir(mailbox_name):
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cur_path = os.path.join(mailbox_name, "cur")
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new_path = os.path.join(mailbox_name, "new")
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if os.path.isdir(cur_path) and os.path.isdir(new_path):
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vprint("guessing mailbox is of type: maildir")
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_archive_dir(mailbox_name, final_archive_name, "maildir")
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_archive_dir(mailbox_name, "maildir")
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else:
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vprint("guessing mailbox is of type: MH")
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_archive_dir(mailbox_name, final_archive_name, "mh")
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_archive_dir(mailbox_name, "mh")
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else:
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user_error("'%s' is not a normal file or directory" % mailbox_name)
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@ -1145,17 +1139,12 @@ def archive(mailbox_name):
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tempfile.tempdir = old_temp_dir
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clean_up()
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def _archive_mbox(mailbox_name, final_archive_name):
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"""Archive a 'mbox' style mailbox - used by archive_mailbox()
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Arguments:
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mailbox_name -- the filename/dirname of the mailbox to be archived
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final_archive_name -- the filename of the 'mbox' mailbox to archive
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old messages to - appending if the archive
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already exists
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"""
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def _archive_mbox(mailbox_name):
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"""Archive a 'mbox' style mailbox - used by archive_mailbox()"""
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assert mailbox_name
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assert final_archive_name
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final_archive_name = make_archive_name(mailbox_name)
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vprint("archiving '%s' to '%s' ..." % (mailbox_name, final_archive_name))
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check_archive(final_archive_name)
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stats = Stats(mailbox_name, final_archive_name)
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cache = IdentityCache(mailbox_name)
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original = Mbox(path=mailbox_name)
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@ -1234,11 +1223,13 @@ def _archive_mbox(mailbox_name, final_archive_name):
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stats.display()
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def _archive_dir(mailbox_name, final_archive_name, type):
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def _archive_dir(mailbox_name, type):
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"""Archive a 'maildir' or 'MH' style mailbox - used by archive_mailbox()"""
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assert mailbox_name
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assert final_archive_name
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assert type
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final_archive_name = make_archive_name(mailbox_name)
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vprint("archiving '%s' to '%s' ..." % (mailbox_name, final_archive_name))
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check_archive(final_archive_name)
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stats = Stats(mailbox_name, final_archive_name)
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delete_queue = []
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@ -1286,10 +1277,9 @@ def _archive_dir(mailbox_name, final_archive_name, type):
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if not options.quiet:
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stats.display()
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def _archive_imap(mailbox_name, final_archive_name):
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def _archive_imap(mailbox_name):
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"""Archive an imap mailbox - used by archive_mailbox()"""
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assert mailbox_name
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assert final_archive_name
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import imaplib
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import cStringIO
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import getpass
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@ -1297,10 +1287,8 @@ def _archive_imap(mailbox_name, final_archive_name):
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vprint("Setting imaplib.Debug = %d" % options.debug_imap)
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imaplib.Debug = options.debug_imap
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archive = None
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stats = Stats(mailbox_name, final_archive_name)
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cache = IdentityCache(mailbox_name)
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imap_str = mailbox_name[mailbox_name.find('://') + 3:]
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imap_username, imap_password, imap_server, imap_folder = \
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imap_username, imap_password, imap_server, imap_folder_pattern = \
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parse_imap_url(imap_str)
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if not imap_password:
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if options.pwfile:
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@ -1327,86 +1315,97 @@ def _archive_imap(mailbox_name, final_archive_name):
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user_error("imap server %s has login disabled (hint: "
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"try ssl/imaps)" % imap_server)
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imap_smart_select(imap_srv, imap_folder)
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total_msg_count = int(imap_srv.response("EXISTS")[1][0])
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vprint("folder has %d message(s)" % total_msg_count)
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mailboxes = imap_find_mailboxes(imap_srv, imap_folder_pattern)
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for imap_folder in mailboxes:
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final_archive_name = make_archive_name(imap_folder)
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vprint("archiving mailbox '%s' on IMAP server '%s' to '%s' ..." %
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(imap_folder, imap_server, final_archive_name))
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check_archive(final_archive_name)
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cur_mailbox = mailbox_name[:-len(imap_folder_pattern)] + imap_folder
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stats = Stats(cur_mailbox, final_archive_name)
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cache = IdentityCache(cur_mailbox)
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# IIUIC the message sequence numbers are stable for the whole session, since
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# we just send SEARCH, FETCH and STORE commands, which should prevent the
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# server from sending untagged EXPUNGE responses -- see RFC 3501 (IMAP4rev1)
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# 7.4.1 and RFC 2180 (Multi-Accessed Mailbox Practice).
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# Worst thing should be that we bail out FETCHing a message that has been
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# deleted.
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imap_smart_select(imap_srv, imap_folder)
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total_msg_count = int(imap_srv.response("EXISTS")[1][0])
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vprint("folder has %d message(s)" % total_msg_count)
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if options.archive_all:
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message_list = [str(n) for n in range(1, total_msg_count+1)]
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else:
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imap_filter = build_imap_filter()
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vprint("imap filter: '%s'" % imap_filter)
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vprint("searching messages matching criteria")
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result, response = imap_srv.search(None, imap_filter)
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if result != 'OK': unexpected_error("imap search failed; server says '%s'" %
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response[0])
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# response is a list with a single item, listing message sequence numbers
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# like ['1 2 3 1016']
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message_list = response[0].split()
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vprint("%d messages are matching filter" % len(message_list))
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# IIUIC the message sequence numbers are stable for the whole session, since
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# we just send SEARCH, FETCH and STORE commands, which should prevent the
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# server from sending untagged EXPUNGE responses -- see RFC 3501 (IMAP4rev1)
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# 7.4.1 and RFC 2180 (Multi-Accessed Mailbox Practice).
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# Worst thing should be that we bail out FETCHing a message that has been
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# deleted.
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# First, gather data for the statistics.
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if total_msg_count > 0:
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vprint("fetching size of messages...")
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result, response = imap_srv.fetch('1:*', '(RFC822.SIZE)')
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if result != 'OK': unexpected_error("Failed to fetch message sizes; "
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"server says '%s'" % response[0])
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# response is a list with entries like '1016 (RFC822.SIZE 3118)',
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# where the first number is the message sequence number, the second is
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# the size.
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for x in response:
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m = imapsize_re.match(x)
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msn, msg_size = m.group('msn'), int(m.group('size'))
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stats.another_message(msg_size)
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if msn in message_list:
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stats.another_archived(msg_size)
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if options.archive_all:
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message_list = [str(n) for n in range(1, total_msg_count+1)]
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else:
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imap_filter = build_imap_filter()
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vprint("imap filter: '%s'" % imap_filter)
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vprint("searching messages matching criteria")
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result, response = imap_srv.search(None, imap_filter)
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if result != 'OK': unexpected_error("imap search failed; server says '%s'" %
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response[0])
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# response is a list with a single item, listing message sequence numbers
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# like ['1 2 3 1016']
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message_list = response[0].split()
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vprint("%d messages are matching filter" % len(message_list))
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if not options.dry_run:
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if not options.delete_old_mail:
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archive = prepare_temp_archive()
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vprint("fetching messages...")
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for msn in message_list:
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# Fetching message flags and body together always finds \Seen
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# set. To check \Seen, we must fetch the flags first.
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result, response = imap_srv.fetch(msn, '(FLAGS)')
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if result != 'OK': unexpected_error("Failed to fetch message "
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"flags; server says '%s'" % response[0])
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msg_flags = imaplib.ParseFlags(response[0])
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result, response = imap_srv.fetch(msn, '(RFC822)')
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if result != 'OK': unexpected_error("Failed to fetch message; "
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"server says '%s'" % response[0])
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msg_str = response[0][1].replace("\r\n", os.linesep)
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msg = rfc822.Message(cStringIO.StringIO(msg_str))
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vprint("processing message '%s'" % msg.get('Message-ID'))
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add_status_headers_imap(msg, msg_flags)
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if options.warn_duplicates:
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cache.warn_if_dupe(msg)
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archive.write(msg)
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commit_archive(archive, final_archive_name)
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if not options.copy_old_mail:
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vprint("Deleting %s messages" % len(message_list))
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# do not delete more than a certain number of messages at a time,
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# because the command length is limited. This avoids that servers
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# terminate the connection with EOF or TCP RST.
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max_delete = 100
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for i in range(0, len(message_list), max_delete):
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result, response = imap_srv.store( \
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string.join(message_list[i:i+max_delete], ','),
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'+FLAGS.SILENT', '\\Deleted')
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if result != 'OK': unexpected_error("Error while deleting "
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"messages; server says '%s'" % response[0])
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vprint("Closing mailbox and terminating connection.")
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imap_srv.close()
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# First, gather data for the statistics.
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if total_msg_count > 0:
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vprint("fetching size of messages...")
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result, response = imap_srv.fetch('1:*', '(RFC822.SIZE)')
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if result != 'OK': unexpected_error("Failed to fetch message sizes; "
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"server says '%s'" % response[0])
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# response is a list with entries like '1016 (RFC822.SIZE 3118)',
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# where the first number is the message sequence number, the second is
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# the size.
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for x in response:
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m = imapsize_re.match(x)
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msn, msg_size = m.group('msn'), int(m.group('size'))
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stats.another_message(msg_size)
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if msn in message_list:
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stats.another_archived(msg_size)
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if not options.dry_run:
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if not options.delete_old_mail:
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archive = prepare_temp_archive()
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vprint("fetching messages...")
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for msn in message_list:
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# Fetching message flags and body together always finds \Seen
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# set. To check \Seen, we must fetch the flags first.
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result, response = imap_srv.fetch(msn, '(FLAGS)')
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if result != 'OK': unexpected_error("Failed to fetch message "
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"flags; server says '%s'" % response[0])
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msg_flags = imaplib.ParseFlags(response[0])
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result, response = imap_srv.fetch(msn, '(RFC822)')
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if result != 'OK': unexpected_error("Failed to fetch message; "
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"server says '%s'" % response[0])
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msg_str = response[0][1].replace("\r\n", os.linesep)
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msg = rfc822.Message(cStringIO.StringIO(msg_str))
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vprint("processing message '%s'" % msg.get('Message-ID'))
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add_status_headers_imap(msg, msg_flags)
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if options.warn_duplicates:
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cache.warn_if_dupe(msg)
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archive.write(msg)
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commit_archive(archive, final_archive_name)
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if not options.copy_old_mail:
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vprint("Deleting %s messages" % len(message_list))
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# do not delete more than a certain number of messages at a time,
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# because the command length is limited. This avoids that servers
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# terminate the connection with EOF or TCP RST.
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max_delete = 100
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for i in range(0, len(message_list), max_delete):
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result, response = imap_srv.store( \
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string.join(message_list[i:i+max_delete], ','),
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'+FLAGS.SILENT', '\\Deleted')
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if result != 'OK': unexpected_error("Error while deleting "
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"messages; server says '%s'" % response[0])
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vprint("Closing mailbox.")
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imap_srv.close()
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if not options.quiet:
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stats.display()
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vprint("Terminating connection.")
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imap_srv.logout()
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if not options.quiet:
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stats.display()
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############### IMAP functions ###############
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@ -1497,9 +1496,7 @@ def imap_get_namespace(srv):
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def imap_smart_select(srv, mailbox):
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"""Select the given mailbox on the IMAP server, correcting an invalid
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mailbox path if possible."""
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mailbox = imap_find_mailbox(srv, mailbox)
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"""Select the given mailbox on the IMAP server."""
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roflag = options.dry_run or options.copy_old_mail
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# Work around python bug #1277098 (still pending in python << 2.5)
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if not roflag:
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@ -1528,11 +1525,14 @@ def imap_smart_select(srv, mailbox):
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"upon SELECT")
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def imap_find_mailbox(srv, mailbox):
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"""Find the given mailbox on the IMAP server, correcting an invalid
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mailbox path if possible. Return the found mailbox name."""
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def imap_find_mailboxes(srv, mailbox):
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"""Find matching mailboxes on the IMAP server, correcting an invalid
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mailbox path if possible."""
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for curbox in imap_guess_mailboxnames(srv, mailbox):
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vprint("Looking for mailbox '%s'..." % curbox)
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if '%' in curbox or '*' in curbox:
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vprint("Looking for mailboxes matching '%s'..." % curbox)
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else:
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vprint("Looking for mailbox '%s'..." % curbox)
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result, response = srv.list(pattern=curbox)
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if result != 'OK':
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unexpected_error("LIST command failed; " \
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@ -1544,13 +1544,18 @@ def imap_find_mailbox(srv, mailbox):
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break
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else:
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user_error("Cannot find mailbox '%s' on server." % mailbox)
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vprint("Found mailbox '%s'" % curbox)
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# Catch \NoSelect here to avoid misleading errors later.
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m = re.match(r'\((?P<attrs>[^\)]*)\)', response[0])
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if '\\noselect' in m.group('attrs').lower().split():
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user_error("Server indicates that mailbox '%s' is not selectable" \
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% curbox)
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return curbox
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mailboxes = []
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for mailbox_data in response:
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m = re.match(r'\((.*?)\) "." "(.*?)"', mailbox_data)
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attrs, name = m.groups()
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if '\\noselect' in attrs.lower().split():
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vprint("skipping not selectable mailbox '%s'" % name)
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continue
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vprint("Found mailbox '%s'" % name)
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mailboxes.append(name)
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if not mailboxes:
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user_error("No matching folder is selectable")
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return mailboxes
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def imap_guess_mailboxnames(srv, mailbox):
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@ -1656,11 +1661,7 @@ def make_archive_name(mailbox_name):
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prefix = time.strftime(options.archive_prefix, tm)
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if options.archive_suffix:
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suffix = time.strftime(options.archive_suffix, tm)
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if re.match(r'imaps?://', mailbox_name.lower()):
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archive_head = ""
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archive_tail = mailbox_name.rsplit('/', 1)[-1]
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else:
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archive_head, archive_tail = os.path.split(mailbox_name)
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archive_head, archive_tail = os.path.split(mailbox_name)
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if not prefix:
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# Don't create hidden archives, e.g. when processing Maildir++
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# subfolders
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@ -1680,7 +1681,8 @@ def check_sane_destdir(dir):
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user_error("no write permission on output directory: '%s'" % dir)
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def check_archive(archive_name):
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"""Check if existing archive files are (not) compressed as expected."""
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"""Check if existing archive files are (not) compressed as expected and
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check if we can work with the destination directory."""
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compressed_archive = archive_name + ".gz"
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if options.no_compress:
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if os.path.isfile(compressed_archive):
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@ -1693,6 +1695,10 @@ def check_archive(archive_name):
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"Have you been reading this archive?\n"
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"You probably should re-compress it manually, and try running me "
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"again." % archive_name)
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dest_dir = os.path.dirname(archive_name)
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if not dest_dir:
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dest_dir = os.getcwd()
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check_sane_destdir(dest_dir)
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def nice_size_str(size):
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"""Return given size in bytes as '12kB', '1.2MB'"""
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