repository: Base: fix folder structure comparison
481efa95f6 is wrong to assume the local nametrans is set up and working.
Now, we correctly check that the local folder name is the same once both
nametrans are applied to itself. This check is only done when we have to create
the folder on remote.
Github-ref: https://github.com/OfflineIMAP/offlineimap/issues/413
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>This commit is contained in:
Nicolas Sebrecht
parent
2d70857e76
commit
2e2684d445
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@ -184,24 +184,43 @@ class BaseRepository(CustomConfig.ConfigHelperMixin):
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remote_repo = self
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remote_hash, local_hash = {}, {}
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# Create hashes with the names, but convert the local folder names
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# into the remote folder names:
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# - for remote, keys are: name_A -> name_A
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# - for local, keys are: name_X -> (nametrans + separator) -> name_Y
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for folder in remote_repo.getfolders():
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remote_hash[folder.getname()] = folder
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for folder in local_repo.getfolders():
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remote_name = folder.getvisiblename().replace(
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local_repo.getsep(), remote_repo.getsep())
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local_hash[remote_name] = folder
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local_hash[folder.getname()] = folder
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# Create new folders from remote to local.
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for remote_name, remote_folder in remote_hash.items():
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# Don't create on local_repo, if it is readonly.
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if not local_repo.should_create_folders():
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break
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# Apply remote nametrans and fix serparator.
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local_name = folder.getvisiblename().replace(
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remote_repo.getsep(), local_repo.getsep())
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if remote_folder.sync_this and not local_name in local_hash.keys():
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try:
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local_repo.makefolder(local_name)
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# Need to refresh list.
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local_repo.forgetfolders()
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except OfflineImapError as e:
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self.ui.error(e, exc_info()[2],
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"Creating folder %s on repository %s"%
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(local_name, local_repo))
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raise
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status_repo.makefolder(local_name.replace(
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local_repo.getsep(), status_repo.getsep()))
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# Create new folders from local to remote.
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for remote_name, local_folder in local_hash.items():
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for local_name, local_folder in local_hash.items():
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if not remote_repo.should_create_folders():
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# Don't create missing folder on readonly repo.
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break
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# Apply reverse nametrans and fix serparator.
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remote_name = folder.getvisiblename().replace(
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local_repo.getsep(), remote_repo.getsep())
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if local_folder.sync_this and not remote_name in remote_hash.keys():
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# Would the remote filter out the new folder name? In this case
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# don't create it.
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@ -211,22 +230,22 @@ class BaseRepository(CustomConfig.ConfigHelperMixin):
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(remote_name, self))
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continue
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# nametrans sanity check!
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# Does nametrans back&forth lead to identical names?
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# nametrans sanity check! Does remote nametrans lead to the
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# original local name?
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#
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# Apply reverse nametrans to see if we end up with the same
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# name:
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# - for remote, keys are: A -> A
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# - for local, keys are: X -> (nametrans + separator) -> Y
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# We want B == X in: A -> remote (nametrans + separator) -> B
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# Apply remote nametrans to see if we end up with the same
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# name. We have:
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# - remote_name: local_name -> reverse nametrans + separator
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# We want local_name == loop_name from:
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# - remote_name -> remote (nametrans + separator) -> loop_name
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#
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# Get IMAPFolder and see if the reverse nametrans works fine.
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# TODO: getfolder() works only because we succeed in getting
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# inexisting folders which I would like to change. Take care!
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tmpremotefolder = remote_repo.getfolder(remote_name)
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new_localname = tmpremotefolder.getvisiblename().replace(
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tmp_remotefolder = remote_repo.getfolder(remote_name)
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loop_name = tmp_remotefolder.getvisiblename().replace(
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remote_repo.getsep(), local_repo.getsep())
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if local_folder.getname() != new_localname:
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if local_name != loop_name:
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raise OfflineImapError("INFINITE FOLDER CREATION DETECTED! "
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"Folder '%s' (repository '%s') would be created as fold"
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"er '%s' (repository '%s'). The latter becomes '%s' in "
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@ -238,11 +257,10 @@ class BaseRepository(CustomConfig.ConfigHelperMixin):
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"other side."%
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(local_folder.getname(), local_repo, remote_name,
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remote_repo,
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new_localname),
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loop_name),
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OfflineImapError.ERROR.REPO)
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# End sanity check, actually create the folder.
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local_name = local_folder.getname()
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try:
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remote_repo.makefolder(remote_name)
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# Need to refresh list.
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@ -254,27 +272,6 @@ class BaseRepository(CustomConfig.ConfigHelperMixin):
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status_repo.makefolder(local_name.replace(
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local_repo.getsep(), status_repo.getsep()))
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# Find and create new folders from remote to local.
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for remote_name, remote_folder in remote_hash.items():
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# Don't create on local_repo, if it is readonly.
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if not local_repo.should_create_folders():
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break
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if remote_folder.sync_this and not remote_name in local_hash.keys():
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try:
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local_name = remote_folder.getvisiblename().replace(
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remote_repo.getsep(), local_repo.getsep())
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local_repo.makefolder(local_name)
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# Need to refresh list.
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local_repo.forgetfolders()
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except OfflineImapError as e:
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self.ui.error(e, exc_info()[2],
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"Creating folder %s on repository %s"%
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(local_name, local_repo))
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raise
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status_repo.makefolder(local_name.replace(
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local_repo.getsep(), status_repo.getsep()))
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# Find deleted folders.
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# TODO: We don't delete folders right now.
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return None
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