X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/702e4591764e00f0dcf67d23cec208786592c14f..77f19944f632c48765175cafad07dc76b3810911:/CHANGES.md?ds=sidebyside diff --git a/CHANGES.md b/CHANGES.md index e4d7ee3..d084498 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,24 +1,1027 @@ -## Change Log +# Change Log -### Unreleased +## Unreleased -#### _Black_ +### Highlights -- reindent docstrings when reindenting code around it (#1053) + -- show colored diffs (#1266) +### Stable style -- move to 'py3' tagged wheels (#1388) + -- remove deprecated `--py36` option (#1236) +### Preview style -- add `--force-exclude` argument (#1032) + -#### Vim plugin +- More concise formatting for dummy implementations (#3796) + +### Configuration + + + +### Packaging + + + +### Parser + + + +### Performance + + + +- Avoid importing `IPython` if notebook cells do not contain magics (#3782) + +### Output + + + +### _Blackd_ + + + +### Integrations + + + +- Black now has an + [official pre-commit mirror](https://github.com/psf/black-pre-commit-mirror). Swapping + `https://github.com/psf/black` to `https://github.com/psf/black-pre-commit-mirror` in + your `.pre-commit-config.yaml` will make Black about 2x faster (#3828) + +### Documentation + + + +## 23.7.0 + +### Highlights + +- Runtime support for Python 3.7 has been removed. Formatting 3.7 code will still be + supported until further notice (#3765) + +### Stable style + +- Fix a bug where an illegal trailing comma was added to return type annotations using + PEP 604 unions (#3735) +- Fix several bugs and crashes where comments in stub files were removed or mishandled + under some circumstances (#3745) +- Fix a crash with multi-line magic comments like `type: ignore` within parentheses + (#3740) +- Fix error in AST validation when _Black_ removes trailing whitespace in a type comment + (#3773) + +### Preview style + +- Implicitly concatenated strings used as function args are no longer wrapped inside + parentheses (#3640) +- Remove blank lines between a class definition and its docstring (#3692) + +### Configuration + +- The `--workers` argument to _Black_ can now be specified via the `BLACK_NUM_WORKERS` + environment variable (#3743) +- `.pytest_cache`, `.ruff_cache` and `.vscode` are now excluded by default (#3691) +- Fix _Black_ not honouring `pyproject.toml` settings when running `--stdin-filename` + and the `pyproject.toml` found isn't in the current working directory (#3719) +- _Black_ will now error if `exclude` and `extend-exclude` have invalid data types in + `pyproject.toml`, instead of silently doing the wrong thing (#3764) + +### Packaging + +- Upgrade mypyc from 0.991 to 1.3 (#3697) +- Remove patching of Click that mitigated errors on Python 3.6 with `LANG=C` (#3768) + +### Parser + +- Add support for the new PEP 695 syntax in Python 3.12 (#3703) + +### Performance + +- Speed up _Black_ significantly when the cache is full (#3751) +- Avoid importing `IPython` in a case where we wouldn't need it (#3748) + +### Output + +- Use aware UTC datetimes internally, avoids deprecation warning on Python 3.12 (#3728) +- Change verbose logging to exactly mirror _Black_'s logic for source discovery (#3749) + +### _Blackd_ + +- The `blackd` argument parser now shows the default values for options in their help + text (#3712) + +### Integrations + +- Black is now tested with + [`PYTHONWARNDEFAULTENCODING = 1`](https://docs.python.org/3/library/io.html#io-encoding-warning) + (#3763) +- Update GitHub Action to display black output in the job summary (#3688) + +### Documentation + +- Add a CITATION.cff file to the root of the repository, containing metadata on how to + cite this software (#3723) +- Update the _classes_ and _exceptions_ documentation in Developer reference to match + the latest code base (#3755) + +## 23.3.0 + +### Highlights + +This release fixes a longstanding confusing behavior in Black's GitHub action, where the +version of the action did not determine the version of Black being run (issue #3382). In +addition, there is a small bug fix around imports and a number of improvements to the +preview style. + +Please try out the +[preview style](https://black.readthedocs.io/en/stable/the_black_code_style/future_style.html#preview-style) +with `black --preview` and tell us your feedback. All changes in the preview style are +expected to become part of Black's stable style in January 2024. + +### Stable style + +- Import lines with `# fmt: skip` and `# fmt: off` no longer have an extra blank line + added when they are right after another import line (#3610) + +### Preview style + +- Add trailing commas to collection literals even if there's a comment after the last + entry (#3393) +- `async def`, `async for`, and `async with` statements are now formatted consistently + compared to their non-async version. (#3609) +- `with` statements that contain two context managers will be consistently wrapped in + parentheses (#3589) +- Let string splitters respect [East Asian Width](https://www.unicode.org/reports/tr11/) + (#3445) +- Now long string literals can be split after East Asian commas and periods (`、` U+3001 + IDEOGRAPHIC COMMA, `。` U+3002 IDEOGRAPHIC FULL STOP, & `，` U+FF0C FULLWIDTH COMMA) + besides before spaces (#3445) +- For stubs, enforce one blank line after a nested class with a body other than just + `...` (#3564) +- Improve handling of multiline strings by changing line split behavior (#1879) + +### Parser + +- Added support for formatting files with invalid type comments (#3594) + +### Integrations + +- Update GitHub Action to use the version of Black equivalent to action's version if + version input is not specified (#3543) +- Fix missing Python binary path in autoload script for vim (#3508) + +### Documentation + +- Document that only the most recent release is supported for security issues; + vulnerabilities should be reported through Tidelift (#3612) + +## 23.1.0 + +### Highlights + +This is the first release of 2023, and following our +[stability policy](https://black.readthedocs.io/en/stable/the_black_code_style/index.html#stability-policy), +it comes with a number of improvements to our stable style, including improvements to +empty line handling, removal of redundant parentheses in several contexts, and output +that highlights implicitly concatenated strings better. + +There are also many changes to the preview style; try out `black --preview` and give us +feedback to help us set the stable style for next year. + +In addition to style changes, Black now automatically infers the supported Python +versions from your `pyproject.toml` file, removing the need to set Black's target +versions separately. + +### Stable style + + + +- Introduce the 2023 stable style, which incorporates most aspects of last year's + preview style (#3418). Specific changes: + - Enforce empty lines before classes and functions with sticky leading comments + (#3302) (22.12.0) + - Reformat empty and whitespace-only files as either an empty file (if no newline is + present) or as a single newline character (if a newline is present) (#3348) + (22.12.0) + - Implicitly concatenated strings used as function args are now wrapped inside + parentheses (#3307) (22.12.0) + - Correctly handle trailing commas that are inside a line's leading non-nested parens + (#3370) (22.12.0) + - `--skip-string-normalization` / `-S` now prevents docstring prefixes from being + normalized as expected (#3168) (since 22.8.0) + - When using `--skip-magic-trailing-comma` or `-C`, trailing commas are stripped from + subscript expressions with more than 1 element (#3209) (22.8.0) + - Implicitly concatenated strings inside a list, set, or tuple are now wrapped inside + parentheses (#3162) (22.8.0) + - Fix a string merging/split issue when a comment is present in the middle of + implicitly concatenated strings on its own line (#3227) (22.8.0) + - Docstring quotes are no longer moved if it would violate the line length limit + (#3044, #3430) (22.6.0) + - Parentheses around return annotations are now managed (#2990) (22.6.0) + - Remove unnecessary parentheses around awaited objects (#2991) (22.6.0) + - Remove unnecessary parentheses in `with` statements (#2926) (22.6.0) + - Remove trailing newlines after code block open (#3035) (22.6.0) + - Code cell separators `#%%` are now standardised to `# %%` (#2919) (22.3.0) + - Remove unnecessary parentheses from `except` statements (#2939) (22.3.0) + - Remove unnecessary parentheses from tuple unpacking in `for` loops (#2945) (22.3.0) + - Avoid magic-trailing-comma in single-element subscripts (#2942) (22.3.0) +- Fix a crash when a colon line is marked between `# fmt: off` and `# fmt: on` (#3439) + +### Preview style + + + +- Format hex codes in unicode escape sequences in string literals (#2916) +- Add parentheses around `if`-`else` expressions (#2278) +- Improve performance on large expressions that contain many strings (#3467) +- Fix a crash in preview style with assert + parenthesized string (#3415) +- Fix crashes in preview style with walrus operators used in function return annotations + and except clauses (#3423) +- Fix a crash in preview advanced string processing where mixed implicitly concatenated + regular and f-strings start with an empty span (#3463) +- Fix a crash in preview advanced string processing where a standalone comment is placed + before a dict's value (#3469) +- Fix an issue where extra empty lines are added when a decorator has `# fmt: skip` + applied or there is a standalone comment between decorators (#3470) +- Do not put the closing quotes in a docstring on a separate line, even if the line is + too long (#3430) +- Long values in dict literals are now wrapped in parentheses; correspondingly + unnecessary parentheses around short values in dict literals are now removed; long + string lambda values are now wrapped in parentheses (#3440) +- Fix two crashes in preview style involving edge cases with docstrings (#3451) +- Exclude string type annotations from improved string processing; fix crash when the + return type annotation is stringified and spans across multiple lines (#3462) +- Wrap multiple context managers in parentheses when targeting Python 3.9+ (#3489) +- Fix several crashes in preview style with walrus operators used in `with` statements + or tuples (#3473) +- Fix an invalid quote escaping bug in f-string expressions where it produced invalid + code. Implicitly concatenated f-strings with different quotes can now be merged or + quote-normalized by changing the quotes used in expressions. (#3509) +- Fix crash on `await (yield)` when Black is compiled with mypyc (#3533) + +### Configuration + + + +- Black now tries to infer its `--target-version` from the project metadata specified in + `pyproject.toml` (#3219) + +### Packaging + + + +- Upgrade mypyc from `0.971` to `0.991` so mypycified _Black_ can be built on armv7 + (#3380) + - This also fixes some crashes while using compiled Black with a debug build of + CPython +- Drop specific support for the `tomli` requirement on 3.11 alpha releases, working + around a bug that would cause the requirement not to be installed on any non-final + Python releases (#3448) +- Black now depends on `packaging` version `22.0` or later. This is required for new + functionality that needs to parse part of the project metadata (#3219) + +### Output + + + +- Calling `black --help` multiple times will return the same help contents each time + (#3516) +- Verbose logging now shows the values of `pyproject.toml` configuration variables + (#3392) +- Fix false symlink detection messages in verbose output due to using an incorrect + relative path to the project root (#3385) + +### Integrations + + + +- Move 3.11 CI to normal flow now that all dependencies support 3.11 (#3446) +- Docker: Add new `latest_prerelease` tag automation to follow latest black alpha + release on docker images (#3465) + +### Documentation + + + +- Expand `vim-plug` installation instructions to offer more explicit options (#3468) + +## 22.12.0 + +### Preview style + + + +- Enforce empty lines before classes and functions with sticky leading comments (#3302) +- Reformat empty and whitespace-only files as either an empty file (if no newline is + present) or as a single newline character (if a newline is present) (#3348) +- Implicitly concatenated strings used as function args are now wrapped inside + parentheses (#3307) +- For assignment statements, prefer splitting the right hand side if the left hand side + fits on a single line (#3368) +- Correctly handle trailing commas that are inside a line's leading non-nested parens + (#3370) + +### Configuration + + + +- Fix incorrectly applied `.gitignore` rules by considering the `.gitignore` location + and the relative path to the target file (#3338) +- Fix incorrectly ignoring `.gitignore` presence when more than one source directory is + specified (#3336) + +### Parser + + + +- Parsing support has been added for walruses inside generator expression that are + passed as function args (for example, + `any(match := my_re.match(text) for text in texts)`) (#3327). + +### Integrations + + + +- Vim plugin: Optionally allow using the system installation of Black via + `let g:black_use_virtualenv = 0`(#3309) + +## 22.10.0 + +### Highlights + +- Runtime support for Python 3.6 has been removed. Formatting 3.6 code will still be + supported until further notice. + +### Stable style + +- Fix a crash when `# fmt: on` is used on a different block level than `# fmt: off` + (#3281) + +### Preview style + +- Fix a crash when formatting some dicts with parenthesis-wrapped long string keys + (#3262) + +### Configuration + +- `.ipynb_checkpoints` directories are now excluded by default (#3293) +- Add `--skip-source-first-line` / `-x` option to ignore the first line of source code + while formatting (#3299) + +### Packaging + +- Executables made with PyInstaller will no longer crash when formatting several files + at once on macOS. Native x86-64 executables for macOS are available once again. + (#3275) +- Hatchling is now used as the build backend. This will not have any effect for users + who install Black with its wheels from PyPI. (#3233) +- Faster compiled wheels are now available for CPython 3.11 (#3276) + +### _Blackd_ + +- Windows style (CRLF) newlines will be preserved (#3257). + +### Integrations + +- Vim plugin: add flag (`g:black_preview`) to enable/disable the preview style (#3246) +- Update GitHub Action to support formatting of Jupyter Notebook files via a `jupyter` + option (#3282) +- Update GitHub Action to support use of version specifiers (e.g. `<23`) for Black + version (#3265) + +## 22.8.0 + +### Highlights + +- Python 3.11 is now supported, except for _blackd_ as aiohttp does not support 3.11 as + of publishing (#3234) +- This is the last release that supports running _Black_ on Python 3.6 (formatting 3.6 + code will continue to be supported until further notice) +- Reword the stability policy to say that we may, in rare cases, make changes that + affect code that was not previously formatted by _Black_ (#3155) + +### Stable style + +- Fix an infinite loop when using `# fmt: on/off` in the middle of an expression or code + block (#3158) +- Fix incorrect handling of `# fmt: skip` on colon (`:`) lines (#3148) +- Comments are no longer deleted when a line had spaces removed around power operators + (#2874) + +### Preview style + +- Single-character closing docstring quotes are no longer moved to their own line as + this is invalid. This was a bug introduced in version 22.6.0. (#3166) +- `--skip-string-normalization` / `-S` now prevents docstring prefixes from being + normalized as expected (#3168) +- When using `--skip-magic-trailing-comma` or `-C`, trailing commas are stripped from + subscript expressions with more than 1 element (#3209) +- Implicitly concatenated strings inside a list, set, or tuple are now wrapped inside + parentheses (#3162) +- Fix a string merging/split issue when a comment is present in the middle of implicitly + concatenated strings on its own line (#3227) + +### _Blackd_ + +- `blackd` now supports enabling the preview style via the `X-Preview` header (#3217) + +### Configuration + +- Black now uses the presence of debug f-strings to detect target version (#3215) +- Fix misdetection of project root and verbose logging of sources in cases involving + `--stdin-filename` (#3216) +- Immediate `.gitignore` files in source directories given on the command line are now + also respected, previously only `.gitignore` files in the project root and + automatically discovered directories were respected (#3237) + +### Documentation + +- Recommend using BlackConnect in IntelliJ IDEs (#3150) + +### Integrations + +- Vim plugin: prefix messages with `Black: ` so it's clear they come from Black (#3194) +- Docker: changed to a /opt/venv installation + added to PATH to be available to + non-root users (#3202) + +### Output + +- Change from deprecated `asyncio.get_event_loop()` to create our event loop which + removes DeprecationWarning (#3164) +- Remove logging from internal `blib2to3` library since it regularly emits error logs + about failed caching that can and should be ignored (#3193) + +### Parser + +- Type comments are now included in the AST equivalence check consistently so accidental + deletion raises an error. Though type comments can't be tracked when running on PyPy + 3.7 due to standard library limitations. (#2874) + +### Performance + +- Reduce Black's startup time when formatting a single file by 15-30% (#3211) + +## 22.6.0 + +### Style + +- Fix unstable formatting involving `#fmt: skip` and `# fmt:skip` comments (notice the + lack of spaces) (#2970) + +### Preview style + +- Docstring quotes are no longer moved if it would violate the line length limit (#3044) +- Parentheses around return annotations are now managed (#2990) +- Remove unnecessary parentheses around awaited objects (#2991) +- Remove unnecessary parentheses in `with` statements (#2926) +- Remove trailing newlines after code block open (#3035) + +### Integrations + +- Add `scripts/migrate-black.py` script to ease introduction of Black to a Git project + (#3038) + +### Output + +- Output Python version and implementation as part of `--version` flag (#2997) + +### Packaging + +- Use `tomli` instead of `tomllib` on Python 3.11 builds where `tomllib` is not + available (#2987) + +### Parser + +- [PEP 654](https://peps.python.org/pep-0654/#except) syntax (for example, + `except *ExceptionGroup:`) is now supported (#3016) +- [PEP 646](https://peps.python.org/pep-0646) syntax (for example, + `Array[Batch, *Shape]` or `def fn(*args: *T) -> None`) is now supported (#3071) + +### Vim Plugin + +- Fix `strtobool` function. It didn't parse true/on/false/off. (#3025) + +## 22.3.0 + +### Preview style + +- Code cell separators `#%%` are now standardised to `# %%` (#2919) +- Remove unnecessary parentheses from `except` statements (#2939) +- Remove unnecessary parentheses from tuple unpacking in `for` loops (#2945) +- Avoid magic-trailing-comma in single-element subscripts (#2942) + +### Configuration + +- Do not format `__pypackages__` directories by default (#2836) +- Add support for specifying stable version with `--required-version` (#2832). +- Avoid crashing when the user has no homedir (#2814) +- Avoid crashing when md5 is not available (#2905) +- Fix handling of directory junctions on Windows (#2904) + +### Documentation + +- Update pylint config documentation (#2931) + +### Integrations + +- Move test to disable plugin in Vim/Neovim, which speeds up loading (#2896) + +### Output + +- In verbose mode, log when _Black_ is using user-level config (#2861) + +### Packaging + +- Fix Black to work with Click 8.1.0 (#2966) +- On Python 3.11 and newer, use the standard library's `tomllib` instead of `tomli` + (#2903) +- `black-primer`, the deprecated internal devtool, has been removed and copied to a + [separate repository](https://github.com/cooperlees/black-primer) (#2924) + +### Parser + +- Black can now parse starred expressions in the target of `for` and `async for` + statements, e.g `for item in *items_1, *items_2: pass` (#2879). + +## 22.1.0 + +At long last, _Black_ is no longer a beta product! This is the first non-beta release +and the first release covered by our new +[stability policy](https://black.readthedocs.io/en/stable/the_black_code_style/index.html#stability-policy). + +### Highlights + +- **Remove Python 2 support** (#2740) +- Introduce the `--preview` flag (#2752) + +### Style + +- Deprecate `--experimental-string-processing` and move the functionality under + `--preview` (#2789) +- For stubs, one blank line between class attributes and methods is now kept if there's + at least one pre-existing blank line (#2736) +- Black now normalizes string prefix order (#2297) +- Remove spaces around power operators if both operands are simple (#2726) +- Work around bug that causes unstable formatting in some cases in the presence of the + magic trailing comma (#2807) +- Use parentheses for attribute access on decimal float and int literals (#2799) +- Don't add whitespace for attribute access on hexadecimal, binary, octal, and complex + literals (#2799) +- Treat blank lines in stubs the same inside top-level `if` statements (#2820) +- Fix unstable formatting with semicolons and arithmetic expressions (#2817) +- Fix unstable formatting around magic trailing comma (#2572) + +### Parser + +- Fix mapping cases that contain as-expressions, like `case {"key": 1 | 2 as password}` + (#2686) +- Fix cases that contain multiple top-level as-expressions, like `case 1 as a, 2 as b` + (#2716) +- Fix call patterns that contain as-expressions with keyword arguments, like + `case Foo(bar=baz as quux)` (#2749) +- Tuple unpacking on `return` and `yield` constructs now implies 3.8+ (#2700) +- Unparenthesized tuples on annotated assignments (e.g + `values: Tuple[int, ...] = 1, 2, 3`) now implies 3.8+ (#2708) +- Fix handling of standalone `match()` or `case()` when there is a trailing newline or a + comment inside of the parentheses. (#2760) +- `from __future__ import annotations` statement now implies Python 3.7+ (#2690) + +### Performance + +- Speed-up the new backtracking parser about 4X in general (enabled when + `--target-version` is set to 3.10 and higher). (#2728) +- _Black_ is now compiled with [mypyc](https://github.com/mypyc/mypyc) for an overall 2x + speed-up. 64-bit Windows, MacOS, and Linux (not including musl) are supported. (#1009, + #2431) + +### Configuration + +- Do not accept bare carriage return line endings in pyproject.toml (#2408) +- Add configuration option (`python-cell-magics`) to format cells with custom magics in + Jupyter Notebooks (#2744) +- Allow setting custom cache directory on all platforms with environment variable + `BLACK_CACHE_DIR` (#2739). +- Enable Python 3.10+ by default, without any extra need to specify + `--target-version=py310`. (#2758) +- Make passing `SRC` or `--code` mandatory and mutually exclusive (#2804) + +### Output + +- Improve error message for invalid regular expression (#2678) +- Improve error message when parsing fails during AST safety check by embedding the + underlying SyntaxError (#2693) +- No longer color diff headers white as it's unreadable in light themed terminals + (#2691) +- Text coloring added in the final statistics (#2712) +- Verbose mode also now describes how a project root was discovered and which paths will + be formatted. (#2526) + +### Packaging + +- All upper version bounds on dependencies have been removed (#2718) +- `typing-extensions` is no longer a required dependency in Python 3.10+ (#2772) +- Set `click` lower bound to `8.0.0` (#2791) + +### Integrations + +- Update GitHub action to support containerized runs (#2748) + +### Documentation + +- Change protocol in pip installation instructions to `https://` (#2761) +- Change HTML theme to Furo primarily for its responsive design and mobile support + (#2793) +- Deprecate the `black-primer` tool (#2809) +- Document Python support policy (#2819) + +## 21.12b0 + +### _Black_ + +- Fix determination of f-string expression spans (#2654) +- Fix bad formatting of error messages about EOF in multi-line statements (#2343) +- Functions and classes in blocks now have more consistent surrounding spacing (#2472) + +#### Jupyter Notebook support + +- Cell magics are now only processed if they are known Python cell magics. Earlier, all + cell magics were tokenized, leading to possible indentation errors e.g. with + `%%writefile`. (#2630) +- Fix assignment to environment variables in Jupyter Notebooks (#2642) + +#### Python 3.10 support + +- Point users to using `--target-version py310` if we detect 3.10-only syntax (#2668) +- Fix `match` statements with open sequence subjects, like `match a, b:` or + `match a, *b:` (#2639) (#2659) +- Fix `match`/`case` statements that contain `match`/`case` soft keywords multiple + times, like `match re.match()` (#2661) +- Fix `case` statements with an inline body (#2665) +- Fix styling of starred expressions inside `match` subject (#2667) +- Fix parser error location on invalid syntax in a `match` statement (#2649) +- Fix Python 3.10 support on platforms without ProcessPoolExecutor (#2631) +- Improve parsing performance on code that uses `match` under `--target-version py310` + up to ~50% (#2670) + +### Packaging + +- Remove dependency on `regex` (#2644) (#2663) + +## 21.11b1 + +### _Black_ + +- Bumped regex version minimum to 2021.4.4 to fix Pattern class usage (#2621) + +## 21.11b0 + +### _Black_ + +- Warn about Python 2 deprecation in more cases by improving Python 2 only syntax + detection (#2592) +- Add experimental PyPy support (#2559) +- Add partial support for the match statement. As it's experimental, it's only enabled + when `--target-version py310` is explicitly specified (#2586) +- Add support for parenthesized with (#2586) +- Declare support for Python 3.10 for running Black (#2562) + +### Integrations + +- Fixed vim plugin with Python 3.10 by removing deprecated distutils import (#2610) +- The vim plugin now parses `skip_magic_trailing_comma` from pyproject.toml (#2613) + +## 21.10b0 + +### _Black_ + +- Document stability policy, that will apply for non-beta releases (#2529) +- Add new `--workers` parameter (#2514) +- Fixed feature detection for positional-only arguments in lambdas (#2532) +- Bumped typed-ast version minimum to 1.4.3 for 3.10 compatibility (#2519) +- Fixed a Python 3.10 compatibility issue where the loop argument was still being passed + even though it has been removed (#2580) +- Deprecate Python 2 formatting support (#2523) + +### _Blackd_ + +- Remove dependency on aiohttp-cors (#2500) +- Bump required aiohttp version to 3.7.4 (#2509) + +### _Black-Primer_ + +- Add primer support for --projects (#2555) +- Print primer summary after individual failures (#2570) + +### Integrations + +- Allow to pass `target_version` in the vim plugin (#1319) +- Install build tools in docker file and use multi-stage build to keep the image size + down (#2582) + +## 21.9b0 + +### Packaging + +- Fix missing modules in self-contained binaries (#2466) +- Fix missing toml extra used during installation (#2475) + +## 21.8b0 + +### _Black_ + +- Add support for formatting Jupyter Notebook files (#2357) +- Move from `appdirs` dependency to `platformdirs` (#2375) +- Present a more user-friendly error if .gitignore is invalid (#2414) +- The failsafe for accidentally added backslashes in f-string expressions has been + hardened to handle more edge cases during quote normalization (#2437) +- Avoid changing a function return type annotation's type to a tuple by adding a + trailing comma (#2384) +- Parsing support has been added for unparenthesized walruses in set literals, set + comprehensions, and indices (#2447). +- Pin `setuptools-scm` build-time dependency version (#2457) +- Exclude typing-extensions version 3.10.0.1 due to it being broken on Python 3.10 + (#2460) + +### _Blackd_ + +- Replace sys.exit(-1) with raise ImportError as it plays more nicely with tools that + scan installed packages (#2440) + +### Integrations + +- The provided pre-commit hooks no longer specify `language_version` to avoid overriding + `default_language_version` (#2430) + +## 21.7b0 + +### _Black_ + +- Configuration files using TOML features higher than spec v0.5.0 are now supported + (#2301) +- Add primer support and test for code piped into black via STDIN (#2315) +- Fix internal error when `FORCE_OPTIONAL_PARENTHESES` feature is enabled (#2332) +- Accept empty stdin (#2346) +- Provide a more useful error when parsing fails during AST safety checks (#2304) + +### Docker + +- Add new `latest_release` tag automation to follow latest black release on docker + images (#2374) + +### Integrations + +- The vim plugin now searches upwards from the directory containing the current buffer + instead of the current working directory for pyproject.toml. (#1871) +- The vim plugin now reads the correct string normalization option in pyproject.toml + (#1869) +- The vim plugin no longer crashes Black when there's boolean values in pyproject.toml + (#1869) + +## 21.6b0 + +### _Black_ + +- Fix failure caused by `fmt: skip` and indentation (#2281) +- Account for += assignment when deciding whether to split string (#2312) +- Correct max string length calculation when there are string operators (#2292) +- Fixed option usage when using the `--code` flag (#2259) +- Do not call `uvloop.install()` when _Black_ is used as a library (#2303) +- Added `--required-version` option to require a specific version to be running (#2300) +- Fix incorrect custom breakpoint indices when string group contains fake f-strings + (#2311) +- Fix regression where `R` prefixes would be lowercased for docstrings (#2285) +- Fix handling of named escapes (`\N{...}`) when `--experimental-string-processing` is + used (#2319) + +### Integrations + +- The official Black action now supports choosing what version to use, and supports the + major 3 OSes. (#1940) + +## 21.5b2 + +### _Black_ + +- A space is no longer inserted into empty docstrings (#2249) +- Fix handling of .gitignore files containing non-ASCII characters on Windows (#2229) +- Respect `.gitignore` files in all levels, not only `root/.gitignore` file (apply + `.gitignore` rules like `git` does) (#2225) +- Restored compatibility with Click 8.0 on Python 3.6 when LANG=C used (#2227) +- Add extra uvloop install + import support if in python env (#2258) +- Fix --experimental-string-processing crash when matching parens are not found (#2283) +- Make sure to split lines that start with a string operator (#2286) +- Fix regular expression that black uses to identify f-expressions (#2287) + +### _Blackd_ + +- Add a lower bound for the `aiohttp-cors` dependency. Only 0.4.0 or higher is + supported. (#2231) + +### Packaging + +- Release self-contained x86_64 MacOS binaries as part of the GitHub release pipeline + (#2198) +- Always build binaries with the latest available Python (#2260) + +### Documentation + +- Add discussion of magic comments to FAQ page (#2272) +- `--experimental-string-processing` will be enabled by default in the future (#2273) +- Fix typos discovered by codespell (#2228) +- Fix Vim plugin installation instructions. (#2235) +- Add new Frequently Asked Questions page (#2247) +- Fix encoding + symlink issues preventing proper build on Windows (#2262) + +## 21.5b1 + +### _Black_ + +- Refactor `src/black/__init__.py` into many files (#2206) + +### Documentation + +- Replaced all remaining references to the + [`master`](https://github.com/psf/black/tree/main) branch with the + [`main`](https://github.com/psf/black/tree/main) branch. Some additional changes in + the source code were also made. (#2210) +- Sigificantly reorganized the documentation to make much more sense. Check them out by + heading over to [the stable docs on RTD](https://black.readthedocs.io/en/stable/). + (#2174) + +## 21.5b0 + +### _Black_ + +- Set `--pyi` mode if `--stdin-filename` ends in `.pyi` (#2169) +- Stop detecting target version as Python 3.9+ with pre-PEP-614 decorators that are + being called but with no arguments (#2182) + +### _Black-Primer_ + +- Add `--no-diff` to black-primer to suppress formatting changes (#2187) + +## 21.4b2 + +### _Black_ + +- Fix crash if the user configuration directory is inaccessible. (#2158) + +- Clarify + [circumstances](https://github.com/psf/black/blob/master/docs/the_black_code_style.md#pragmatism) + in which _Black_ may change the AST (#2159) + +- Allow `.gitignore` rules to be overridden by specifying `exclude` in `pyproject.toml` + or on the command line. (#2170) + +### _Packaging_ + +- Install `primer.json` (used by `black-primer` by default) with black. (#2154) + +## 21.4b1 + +### _Black_ + +- Fix crash on docstrings ending with "\\ ". (#2142) + +- Fix crash when atypical whitespace is cleaned out of dostrings (#2120) + +- Reflect the `--skip-magic-trailing-comma` and `--experimental-string-processing` flags + in the name of the cache file. Without this fix, changes in these flags would not take + effect if the cache had already been populated. (#2131) + +- Don't remove necessary parentheses from assignment expression containing assert / + return statements. (#2143) + +### _Packaging_ + +- Bump pathspec to >= 0.8.1 to solve invalid .gitignore exclusion handling + +## 21.4b0 + +### _Black_ + +- Fixed a rare but annoying formatting instability created by the combination of + optional trailing commas inserted by `Black` and optional parentheses looking at + pre-existing "magic" trailing commas. This fixes issue #1629 and all of its many many + duplicates. (#2126) + +- `Black` now processes one-line docstrings by stripping leading and trailing spaces, + and adding a padding space when needed to break up """". (#1740) + +- `Black` now cleans up leading non-breaking spaces in comments (#2092) + +- `Black` now respects `--skip-string-normalization` when normalizing multiline + docstring quotes (#1637) + +- `Black` no longer removes all empty lines between non-function code and decorators + when formatting typing stubs. Now `Black` enforces a single empty line. (#1646) + +- `Black` no longer adds an incorrect space after a parenthesized assignment expression + in if/while statements (#1655) + +- Added `--skip-magic-trailing-comma` / `-C` to avoid using trailing commas as a reason + to split lines (#1824) + +- fixed a crash when PWD=/ on POSIX (#1631) + +- fixed "I/O operation on closed file" when using --diff (#1664) + +- Prevent coloured diff output being interleaved with multiple files (#1673) + +- Added support for PEP 614 relaxed decorator syntax on python 3.9 (#1711) + +- Added parsing support for unparenthesized tuples and yield expressions in annotated + assignments (#1835) + +- added `--extend-exclude` argument (PR #2005) + +- speed up caching by avoiding pathlib (#1950) + +- `--diff` correctly indicates when a file doesn't end in a newline (#1662) + +- Added `--stdin-filename` argument to allow stdin to respect `--force-exclude` rules + (#1780) + +- Lines ending with `fmt: skip` will now be not formatted (#1800) + +- PR #2053: Black no longer relies on typed-ast for Python 3.8 and higher + +- PR #2053: Python 2 support is now optional, install with + `python3 -m pip install black[python2]` to maintain support. + +- Exclude `venv` directory by default (#1683) + +- Fixed "Black produced code that is not equivalent to the source" when formatting + Python 2 docstrings (#2037) + +### _Packaging_ + +- Self-contained native _Black_ binaries are now provided for releases via GitHub + Releases (#1743) + +## 20.8b1 + +### _Packaging_ + +- explicitly depend on Click 7.1.2 or newer as `Black` no longer works with versions + older than 7.0 + +## 20.8b0 + +### _Black_ + +- re-implemented support for explicit trailing commas: now it works consistently within + any bracket pair, including nested structures (#1288 and duplicates) + +- `Black` now reindents docstrings when reindenting code around it (#1053) + +- `Black` now shows colored diffs (#1266) + +- `Black` is now packaged using 'py3' tagged wheels (#1388) + +- `Black` now supports Python 3.8 code, e.g. star expressions in return statements + (#1121) + +- `Black` no longer normalizes capital R-string prefixes as those have a + community-accepted meaning (#1244) + +- `Black` now uses exit code 2 when specified configuration file doesn't exit (#1361) + +- `Black` now works on AWS Lambda (#1141) + +- added `--force-exclude` argument (#1032) + +- removed deprecated `--py36` option (#1236) + +- fixed `--diff` output when EOF is encountered (#526) + +- fixed `# fmt: off` handling around decorators (#560) + +- fixed unstable formatting with some `# type: ignore` comments (#1113) + +- fixed invalid removal on organizing brackets followed by indexing (#1575) + +- introduced `black-primer`, a CI tool that allows us to run regression tests against + existing open source users of Black (#1402) + +- introduced property-based fuzzing to our test suite based on Hypothesis and + Hypothersmith (#1566) + +- implemented experimental and disabled by default long string rewrapping (#1132), + hidden under a `--experimental-string-processing` flag while it's being worked on; + this is an undocumented and unsupported feature, you lose Internet points for + depending on it (#1609) + +### Vim plugin - prefer virtualenv packages over global packages (#1383) -### 19.10b0 +## 19.10b0 - added support for PEP 572 assignment expressions (#711) @@ -77,7 +1080,7 @@ - `blackd` can now output the diff of formats on source code when the `X-Diff` header is provided (#969) -### 19.3b0 +## 19.3b0 - new option `--target-version` to control which Python versions _Black_-formatted code should target (#618) @@ -102,7 +1105,7 @@ - `blackd` now supports CORS (#622) -### 18.9b0 +## 18.9b0 - numeric literals are now formatted by _Black_ (#452, #461, #464, #469): @@ -117,7 +1120,9 @@ - hexadecimal digits are always uppercased (e.g. `0xBADC0DE`) -- added `blackd`, see [its documentation](#blackd) for more info (#349) +- added `blackd`, see + [its documentation](https://github.com/psf/black/blob/18.9b0/README.md#blackd) for + more info (#349) - adjacent string literals are now correctly split into multiple lines (#463) @@ -129,7 +1134,7 @@ - whitespace at the beginning of the file is now removed (#399) - fixed mangling [pweave](http://mpastell.com/pweave/) and - [Spyder IDE](https://pythonhosted.org/spyder/) special comments (#532) + [Spyder IDE](https://www.spyder-ide.org/) special comments (#532) - fixed unstable formatting when unpacking big tuples (#267) @@ -144,11 +1149,11 @@ - note: the Vim plugin stopped registering `,=` as a default chord as it turned out to be a bad idea (#415) -### 18.6b4 +## 18.6b4 - hotfix: don't freeze when multiple comments directly precede `# fmt: off` (#371) -### 18.6b3 +## 18.6b3 - typing stub files (`.pyi`) now have blank lines added after constants (#340) @@ -176,7 +1181,7 @@ - fixed a crash due to symbolic links pointing outside of the project directory (#338) -### 18.6b2 +## 18.6b2 - added `--config` (#65) @@ -190,13 +1195,13 @@ - fixed unnecessary slowdown in comment placement calculation on lines without comments -### 18.6b1 +## 18.6b1 - hotfix: don't output human-facing information on stdout (#299) - hotfix: don't output cake emoji on non-zero return code (#300) -### 18.6b0 +## 18.6b0 - added `--include` and `--exclude` (#270) @@ -214,7 +1219,7 @@ - _Black_ now preserves line endings when formatting a file in place (#258) -### 18.5b1 +## 18.5b1 - added `--pyi` (#249) @@ -243,7 +1248,7 @@ - fixed extra empty line between a function signature and an inner function or inner class (#196) -### 18.5b0 +## 18.5b0 - call chains are now formatted according to the [fluent interfaces](https://en.wikipedia.org/wiki/Fluent_interface) style (#67) @@ -298,11 +1303,11 @@ - fixed crash when dead symlinks where encountered -### 18.4a4 +## 18.4a4 - don't populate the cache on `--check` (#175) -### 18.4a3 +## 18.4a3 - added a "cache"; files already reformatted that haven't changed on disk won't be reformatted again (#109) @@ -330,7 +1335,7 @@ - fixed missing splits of ternary expressions (#141) -### 18.4a2 +## 18.4a2 - fixed parsing of unaligned standalone comments (#99, #112) @@ -341,7 +1346,7 @@ - fixed unstable formatting when encountering unnecessarily escaped quotes in a string (#120) -### 18.4a1 +## 18.4a1 - added `--quiet` (#78) @@ -353,7 +1358,7 @@ - fixed removing backslash escapes from raw strings (#100, #105) -### 18.4a0 +## 18.4a0 - added `--diff` (#87) @@ -378,7 +1383,7 @@ - only allow up to two empty lines on module level and only single empty lines within functions (#74) -### 18.3a4 +## 18.3a4 - `# fmt: off` and `# fmt: on` are implemented (#5) @@ -400,7 +1405,7 @@ [Sphinx auto-attribute comments](http://www.sphinx-doc.org/en/stable/ext/autodoc.html#directive-autoattribute) (#68) -### 18.3a3 +## 18.3a3 - don't remove single empty lines outside of bracketed expressions (#19) @@ -410,7 +1415,7 @@ - even better handling of numpy-style array indexing (#33, again) -### 18.3a2 +## 18.3a2 - changed positioning of binary operators to occur at beginning of lines instead of at the end, following @@ -434,7 +1439,7 @@ - fixed spurious space after star-based unary expressions (#31) -### 18.3a1 +## 18.3a1 - added `--check` @@ -453,10 +1458,10 @@ - fixed spurious space after unary operators when the operand was a complex expression (#15) -### 18.3a0 +## 18.3a0 - first published version, Happy 🍰 Day 2018! - alpha quality -- date-versioned (see: https://calver.org/) +- date-versioned (see: )