Duplicity Release 3.2.0

Hi everyone,

We are pleased to announce the release of Duplicity 3.2.0. This version
brings significant modernization to the codebase, improves the developer
experience, and includes several critical bug fixes.

Below is a summary of the key changes:

New Features and Modernization

  - librsync Enhancements: Added a get_version() function to the librsync
wrapper and implemented a pure Python fallback using ctypes for
environments where the C extension is unavailable.
  - Code Refactoring: Performed a large-scale refactor to use f-strings for
string concatenation across the entire codebase.
  - GPG Integration: Replaced the internal gpginterface.py with the
standard python-gnupg library for improved maintenance and reliability.

Infrastructure and Tooling

  - Developer Experience: Added PyCharm devcontainer support, base
Dockerfiles, and comprehensive coverage configuration with new Makefile
targets.
  - Build System: Rewrote the makechangelog utility in Python, updated the
Snapcraft configuration to core26 (Python 3.14), and improved the release
preparation scripts.
  - CI/CD: Refined pipeline triggers for better handling of push, web, and
merge request events.

Bug Fixes and Reliability

  - Security: Replaced unsafe os.system calls with safer Python
alternatives (e.g., subprocess).
  - Error Handling: Standardized error handling by replacing log.FatalError
calls with raised errors.FatalError exceptions.
  - Core Logic: Implemented a comprehensive fix for backup, restart, and
cleanup logic.
  - Backend & Restore Fixes: Resolved issues related to lockfile releases,
B2 backend compatibility, PCA backend URL handling, and an AssertionError
during restore operations.

For a full list of commits and details, please refer to the CHANGELOG.md
<https://gitlab.com/duplicity/duplicity/-/blob/main/CHANGELOG.md> file in
the repository.

Best regards,
The Duplicity Team

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