Intro This will serve to keep track of major changes coming down the pike for v2.0 duplicity. I'll update with any new changes
I have made a new project called duplicity-py3 <https://gitlab.com/duplicity/duplicity-py3>. It passes all the tests we have. I’m working on more comprehensive testing now. Timeline At this point we have released 3 alpha and 3 beta versions with almost minimal from testers. I’d like to get the testing done before the release if at all possible. The main branch has been merged into *duplicity-py3*, and *main* has is now in a release freeze. When we release 2.0, I’ll just replace main's repo with the duplicity-py3 repo and be done with it, down to just one project again. Between now and then I have a tentative release schedule: daterelease 07/10 RC0 07/17 RC1 07/24 RC2 07/27 2.0.0Python 3.8+ only from now on - 2.7 is End Of Life - 3.0 to 3.7 are End Of Life - remove future (includes builtins) - pure Python 3 code only (1 C extension) Deprecated options - –gio - –old-filenames - –short-filenames - –time-separator - –exclude-globbing-filelist - –include-globbing-filelist - –exclude-filelist-stdin - –include-filelist-stdin - –s3-multipart-max-timeout - –s3-use-multiprocessing - –s3-use-server-side-encryption - –s3-use-server-side-kms-encryption NOTE 1: For --old-filenames and --short-filenames, only the option itself and the ability to *create* old and short filenames will be removed. We will maintain the ability to read them for the foreseeable future. NOTE 2: The --time-separator option will be deprecated only for full or incremental backups, but allowed for non-backup commands since it is necessary to read any backups created with a nonstandard time separator character. We will not create any new files with time separators. Changed Options - --file-to-restore to --path-to-restore - --do-not-restore-ownership to --no-restore-ownership Remove replicate command - See issue #98 - Plenty of other tools available, rsync, rclone, etc. Remove rdiffdir command - Not known to be in use. - Would require major updates to maintain. Remove s3_boto_backend.py - boto has not been updated since 2018 - Does not support above Python 3.4 - Replaced by s3_boto3_backend.py Help system overhaul - Module optparse will be replaced by argparse - Hierarchical help for each command and backend - Some improvements may be moved to 2.1 or later Command line fixes - Convert from optparse (deprecated) to argparse. - There will be 1 optional and 1 or 2 positional args: 1. COMMAND - all previous commands plus help (optional for backup/restore) 2. SOURCE - the source directory or URL - same as previous 3. TARGET - the target directory or URL - same as previous 4. Other - timestamp or count - Compression and encryption option interaction: 1. compression and encryption are both default 2. if –no-encryption is passed, only compression will be done (by default gzip algo for now) 3. if –no-compression is passed, only encryption will be done (gpg gets –compress-algo=none) 4. if both are passed we generate plain tarballs
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