Feb 5-11, 2023 in Darker: Stdin mode merged, linter extraction planned

[akaihola]

This week marked a significant milestone with the merging of the long-awaited stdin mode feature (PR #306). This addition allows Darker to read input from stdin instead of files, using the new --stdin-filename command line argument. The implementation includes comprehensive test coverage and validation of command line arguments. However, using --stdin-filename with --lint is not yet supported and will raise a NotImplementedError.

We also made progress on the project's future direction. Discussions in issue #304 led to plans for extracting linting functionality into a separate tool, tentatively named graylint (issue #465). This move aims to focus Darker on its core purpose of executing code reformatters. A supporting common code library, possibly called darkgraylib, is also being considered. The community brainstormed various name ideas, with graylint emerging as a frontrunner. These changes are planned for upcoming releases, with the complete removal of the -L / --lint option slated for version 2.0.0 (issue #466).

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