tobias/docker-offlineimap
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/head: changeset 51

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Split up syncmessagesto() into individual components so we can control
the synchronization process with finer detail from above.
This commit is contained in:
jgoerzen 2002-06-25 05:47:09 +01:00
parent 132a38bfce
commit 8c607b2e71
1 changed files with 40 additions and 25 deletions
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65
head/offlineimap/folder/Base.py
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@ -114,21 +114,13 @@ class BaseFolder:
for uid in uidlist: for uid in uidlist:
self.deletemessage(uid) self.deletemessage(uid)
def syncmessagesto(self, dest, applyto = None): def syncmessagesto_neguid(self, dest, applyto):
"""Syncs messages in this folder to the destination. """Pass 1 of folder synchronization.
If applyto is specified, it should be a list of folders (don't forget
to include dest!) to which all write actions should be applied.
It defaults to [dest] if not specified. It is important that
the UID generator be listed first in applyto; that is, the other
applyto ones should be the ones that "copy" the main action."""
if applyto == None:
applyto = [dest]
# Pass 1 -- Look for messages in self with a negative uid. Look for messages in self with a negative uid. These are messages in
# These are messages in Maildirs that were not added by us. Maildirs that were not added by us. Try to add them to the dests,
# Try to add them to the dests, and once that succeeds, get the and once that succeeds, get the UID, add it to the others for real,
# UID, add it to the others for real, add it to local for real, add it to local for real, and delete the fake one."""
# and delete the fake one.
for uid in self.getmessagelist().keys(): for uid in self.getmessagelist().keys():
if uid >= 0: if uid >= 0:
@ -156,8 +148,11 @@ class BaseFolder:
# Did not find any server to take this message. Ignore. # Did not find any server to take this message. Ignore.
pass pass
# Pass 2 -- Look for messages present in self but not in dest. def syncmessagesto_copy(self, dest, applyto):
# If any, add them to dest. """Pass 2 of folder synchronization.
Look for messages present in self but not in dest. If any, add
them to dest."""
for uid in self.getmessagelist().keys(): for uid in self.getmessagelist().keys():
if uid < 0: # Ignore messages that pass 1 missed. if uid < 0: # Ignore messages that pass 1 missed.
@ -168,15 +163,17 @@ class BaseFolder:
flags = self.getmessageflags(uid) flags = self.getmessageflags(uid)
for object in applyto: for object in applyto:
newuid = object.savemessage(uid, message, flags) newuid = object.savemessage(uid, message, flags)
if newuid != uid: if newuid > 0 and newuid != uid:
# Change the local uid. # Change the local uid.
self.savemessage(newuid, message, flags) self.savemessage(newuid, message, flags)
self.deletemessage(uid) self.deletemessage(uid)
uid = newuid uid = newuid
# Pass 3 -- Look for message present in dest but not in self. def syncmessagesto_delete(self, dest, applyto):
# If any, delete them. """Pass 3 of folder synchronization.
Look for message present in dest but not in self.
If any, delete them."""
for uid in dest.getmessagelist().keys(): for uid in dest.getmessagelist().keys():
if uid < 0: if uid < 0:
continue continue
@ -185,13 +182,11 @@ class BaseFolder:
for object in applyto: for object in applyto:
object.deletemessage(uid) object.deletemessage(uid)
# Now, the message lists should be identical wrt the uids present. def syncmessagesto_flags(self, dest, applyto):
# (except for potential negative uids that couldn't be placed """Pass 4 of folder synchronization.
# anywhere)
# Pass 4 -- Look for any flag identity issues -- set dest messages
# to have the same flags that we have here.
Look for any flag matching issues -- set dest message to have the
same flags that we have."""
for uid in self.getmessagelist().keys(): for uid in self.getmessagelist().keys():
if uid < 0: # Ignore messages missed by pass 1 if uid < 0: # Ignore messages missed by pass 1
continue continue
@ -210,4 +205,24 @@ class BaseFolder:
for object in applyto: for object in applyto:
object.deletemessageflags(uid, delflags) object.deletemessageflags(uid, delflags)
def syncmessagesto(self, dest, applyto = None):
"""Syncs messages in this folder to the destination.
If applyto is specified, it should be a list of folders (don't forget
to include dest!) to which all write actions should be applied.
It defaults to [dest] if not specified. It is important that
the UID generator be listed first in applyto; that is, the other
applyto ones should be the ones that "copy" the main action."""
if applyto == None:
applyto = [dest]
self.syncmessagesto_neguid(dest, applyto)
self.syncmessagesto_copy(dest, applyto)
self.syncmessagesto_delete(dest, applyto)
# Now, the message lists should be identical wrt the uids present.
# (except for potential negative uids that couldn't be placed
# anywhere)
self.syncmessagesto_flags(dest, applyto)