def test_expand_uidset(self):
self.assertEqual(expand_uidset('3'), ['3'])
self.assertEqual(expand_uidset('3,5'), ['3','5'])
self.assertEqual(expand_uidset('3:5'), ['3','4','5'])
def _retrieve_contents_for_messages(self, notification, headers_only=False):
"""
Helper method to deliver message contents/headers
"""
messageContents = {}
messageHeaders = {}
# split the uri parameter into useful parts
uri = parse_imap_uri(notification['uri'])
if notification.has_key('uidset'):
message_uids = expand_uidset(notification['uidset'])
elif notification.has_key('vnd.cmu.oldUidset'):
message_uids = expand_uidset(notification['vnd.cmu.oldUidset'])
elif uri.has_key('UID'):
message_uids = [ uri['UID'] ]
notification['uidset'] = ','.join(message_uids)
# resolve uri into a mailbox path on the local file stystem
mailbox_path = utils.imap_mailbox_fs_path(uri)
log.debug("Using mailbox path: %r" % (mailbox_path), level=8)
# mailbox exists, try reading the message files
if os.path.exists(mailbox_path):
for message_uid in message_uids:
# using message file path like /var/spool/imap/domain/e/example.org/k/lists/kolab^org/devel/lists/kolab.org/[email protected]/1.
message_file_path = "%s/%s." % (mailbox_path, message_uid)
log.debug("Open message file: %r" % (message_file_path), level=8)
attempts = 5
while attempts > 0:
attempts -= 1
if os.access(message_file_path, os.R_OK):
fp = open(message_file_path, 'r')
if headers_only:
data = ''
for line in fp:
data += line
if line.strip() == '':
break;
data += "\r\n"
else:
data = fp.read()
fp.close()
# use email lib to parse message headers
try:
# find header delimiter
pos = data.find("\r\n\r\n")
message = message_from_string(data[0:pos])
headers = decode_message_headers(message)
except:
headers = dict()
messageHeaders[message_uid] = headers
# append raw message data and parsed headers
messageContents[message_uid] = data
messageHeaders[message_uid] = headers
break
elif attempts > 0:
log.debug("Failed to open message file %r; retry %d more times" % (
message_file_path, attempts
), level=5)
else:
log.warning("Failed to open message file %r for uri=%s; uid=%s" % (
message_file_path, notification, message_uid
))
time.sleep(1)
# end while
# end for
else:
log.warning("Mailbox path %r does not exits for uri=%s" % (mailbox_path, notification['uri']))
return (messageContents, messageHeaders)