def _load_state(self):
with mailsync_session_scope() as db_session:
try:
state = ImapFolderSyncStatus.state
saved_folder_status = db_session.query(ImapFolderSyncStatus)\
.filter_by(account_id=self.account_id,
folder_id=self.folder_id).options(
load_only(state)).one()
except NoResultFound:
saved_folder_status = ImapFolderSyncStatus(
account_id=self.account_id, folder_id=self.folder_id)
db_session.add(saved_folder_status)
saved_folder_status.start_sync()
db_session.commit()
self.state = saved_folder_status.state
return saved_folder_status
def _load_state(self):
with session_scope(self.namespace_id) as db_session:
try:
state = ImapFolderSyncStatus.state
saved_folder_status = db_session.query(ImapFolderSyncStatus)\
.filter_by(account_id=self.account_id,
folder_id=self.folder_id).options(
load_only(state)).one()
except NoResultFound:
saved_folder_status = ImapFolderSyncStatus(
account_id=self.account_id, folder_id=self.folder_id)
db_session.add(saved_folder_status)
saved_folder_status.start_sync()
db_session.commit()
self.state = saved_folder_status.state
return saved_folder_status
def _run_impl(self):
# We do NOT ignore soft deletes in the mail sync because it gets real
# complicated handling e.g. when backends reuse imapids. ImapUid
# objects are the only objects deleted by the mail sync backends
# anyway.
with session_scope(ignore_soft_deletes=False) as db_session:
try:
state = ImapFolderSyncStatus.state
saved_folder_status = db_session.query(ImapFolderSyncStatus)\
.filter_by(account_id=self.account_id,
folder_id=self.folder_id).options(
load_only(state)).one()
except NoResultFound:
saved_folder_status = ImapFolderSyncStatus(
account_id=self.account_id, folder_id=self.folder_id)
db_session.add(saved_folder_status)
saved_folder_status.start_sync()
db_session.commit()
self.state = saved_folder_status.state
# NOTE: The parent ImapSyncMonitor handler could kill us at any
# time if it receives a shutdown command. The shutdown command is
# equivalent to ctrl-c.
while True:
old_state = self.state
try:
self.state = self.state_handlers[old_state](self.conn_pool,
self.log,
self.folder_name,
self.shared_state)
except UidInvalid:
self.state = self.state + ' uidinvalid'
# State handlers are idempotent, so it's okay if we're
# killed between the end of the handler and the commit.
if self.state != old_state:
# Don't need to re-query, will auto refresh on re-associate.
with session_scope(ignore_soft_deletes=False) as db_session:
db_session.add(saved_folder_status)
saved_folder_status.state = self.state
db_session.commit()
if self.state == 'finish':
return
def _run_impl(self):
# We do NOT ignore soft deletes in the mail sync because it gets real
# complicated handling e.g. when backends reuse imapids. ImapUid
# objects are the only objects deleted by the mail sync backends
# anyway.
with session_scope(ignore_soft_deletes=False) as db_session:
try:
state = ImapFolderSyncStatus.state
saved_folder_status = db_session.query(ImapFolderSyncStatus)\
.filter_by(account_id=self.account_id,
folder_id=self.folder_id).options(
load_only(state)).one()
except NoResultFound:
saved_folder_status = ImapFolderSyncStatus(
account_id=self.account_id, folder_id=self.folder_id)
db_session.add(saved_folder_status)
saved_folder_status.start_sync()
db_session.commit()
self.state = saved_folder_status.state
# NOTE: The parent ImapSyncMonitor handler could kill us at any
# time if it receives a shutdown command. The shutdown command is
# equivalent to ctrl-c.
while True:
old_state = self.state
try:
self.state = self.state_handlers[old_state](
self.conn_pool, self.log, self.folder_name,
self.shared_state)
except UidInvalid:
self.state = self.state + ' uidinvalid'
# State handlers are idempotent, so it's okay if we're
# killed between the end of the handler and the commit.
if self.state != old_state:
# Don't need to re-query, will auto refresh on re-associate.
with session_scope(ignore_soft_deletes=False) as db_session:
db_session.add(saved_folder_status)
saved_folder_status.state = self.state
db_session.commit()
if self.state == 'finish':
return
