New submission from Matej Cepl <mc...@cepl.eu>:
I am in the process of writing script working with IMAP first time using Python
3 for it (unfortunately, most of servers where I run other code is so ancient
that even Python 2.7 is a stretch), and it is really nice experience so far.
Many problems which are dealt with on the StackExchange with arcane workarounds
are now resolved in email or imaplib libraries. Thank you, everybody!
However, it seems to me that few higher level commands could greatly improve
useability of imaplib library. For example, moving messages (not fault of
imaplib) is still horrible mess. In the end I had to write this monstrosity
just to make moving messages working:
Capas = collections.namedtuple('Capas', ['MOVE', 'UIDPLUS'])
def __login(self, host='localhost', username=None, password=None, ssl=None):
self.box = imaplib.IMAP4_SSL(host=host)
ok, data = self.box.login(username, password)
if ok != 'OK':
raise IOError('Cannot login with credentials %s' %
str((host, username, password,)))
ok, data = box.capability()
capas = data[0].decode()
box.features_present = Capas._make(['MOVE' in capas, 'UIDPLUS' in
capas])
def move_messages(self, target, messages):
if self.box.features_present.MOVE:
ok, data = self.box.uid('MOVE', '%s %s' % (messages, target))
if ok != 'OK':
raise IOError('Cannot move messages to folder %s' % target)
elif self.box.features_present.UIDPLUS:
ok, data = self.box.uid('COPY', '%s %s' % (messages, target))
if ok != 'OK':
raise IOError('Cannot copy messages to folder %s' % target)
ok, data = self.box.uid('STORE',
r'+FLAGS.SILENT (\DELETED) %s' % messages)
if ok != 'OK':
raise IOError('Cannot delete messages.')
ok, data = self.box.uid('EXPUNGE', messages)
if ok != 'OK':
raise IOError('Cannot expunge messages.')
else:
ok, data = self.box.uid('COPY', '%s %s' % (messages, target))
if ok != 'OK':
raise IOError('Cannot copy messages to folder %s' % target)
ok, data = self.box.uid('STORE',
r'+FLAGS.SILENT (\DELETED) %s' % messages)
if ok != 'OK':
raise IOError('Cannot delete messages.')
It would be nice if some capabilities detection (see issue 18921) was embedded
into login method, and if some version of move_messages was included in imaplib
itself.
----------
components: Library (Lib)
messages: 315578
nosy: mcepl
priority: normal
severity: normal
status: open
title: Add a method to move messages to IMAPlib
type: enhancement
versions: Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7, Python 3.8
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33327>
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