mid implementation of message iteration
import imap_tools
# imap has two state parts: message order in a folder, and message identity
class MBFolder:
def __init__(self, host, email, pwd, folder=None):
self._folder = folder
self.mailbox = imap_tools.MailBox(host).login(email, pwd, initial_folder=folder)
self.uid_validity = None
self.last_uid = None
# set current folder: mailbox.folder.set('foldername')
def list(self):
return self.mailbox.folder.list(self._folder)
def update(self):
# check if
for uid in self.mailbox.uids(criteria, miss_no_uid=False): # miss_no_uid maybe adds None items for nonmatching
for msg in self.mailbox.fetch(criteria, limit=max_count_to_prevent_server_exception, miss_no_uid=False, mark_seen=False, bulk=True): # headers_only=True
raw_size = message.size_rfc822
raw_email = bytes(msg.obj)
assert raw_size == 0 or len(raw_email) == raw_size
# msg.uid
# msg.flags
def wait_update(self, timeout):
responses = self.mailbox.idle.wait(timeout=timeout)
if responses:
return self.update()
def __enter__(self):
self.mailbox.__enter__()
stat = self.mailbox.folder.status(self._folder)
self.uid_validity = stat.get('UIDVALIDITY')
self.uid_next = stat.get('UIDNEXT')
self.msg_count = stat.get('MESSAGES')
def __exit__(self, *params):
self.mailbox.__exit__(*params)
with MBFolder('host' 'email', 'pwd', 'folder') as mb:
mb.update()
while True:
mb.wait_update(60)
