X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/47480ca33143b250cb33ba501f201838269173ce..43b53a034c9e3ada9295bf7f93be473b66b74f75:/.vim/bundle/black/CHANGES.md diff --git a/.vim/bundle/black/CHANGES.md b/.vim/bundle/black/CHANGES.md deleted file mode 100644 index 79b5c603..00000000 --- a/.vim/bundle/black/CHANGES.md +++ /dev/null @@ -1,1544 +0,0 @@ -# Change Log - -## Unreleased - -### Highlights - - - -### Stable style - - - -### Preview style - -- Fix merging implicit multiline strings that have inline comments (#3956) - -### Configuration - - - -### Packaging - - - -### Parser - - - -### Performance - - - -### Output - - - -### _Blackd_ - - - -### Integrations - - - -### Documentation - - - -## 23.10.0 - -### Stable style - -- Fix comments getting removed from inside parenthesized strings (#3909) - -### Preview style - -- Fix long lines with power operators getting split before the line length (#3942) -- Long type hints are now wrapped in parentheses and properly indented when split across - multiple lines (#3899) -- Magic trailing commas are now respected in return types. (#3916) -- Require one empty line after module-level docstrings. (#3932) -- Treat raw triple-quoted strings as docstrings (#3947) - -### Configuration - -- Fix cache versioning logic when `BLACK_CACHE_DIR` is set (#3937) - -### Parser - -- Fix bug where attributes named `type` were not acccepted inside `match` statements - (#3950) -- Add support for PEP 695 type aliases containing lambdas and other unusual expressions - (#3949) - -### Output - -- Black no longer attempts to provide special errors for attempting to format Python 2 - code (#3933) -- Black will more consistently print stacktraces on internal errors in verbose mode - (#3938) - -### Integrations - -- The action output displayed in the job summary is now wrapped in Markdown (#3914) - -## 23.9.1 - -Due to various issues, the previous release (23.9.0) did not include compiled mypyc -wheels, which make Black significantly faster. These issues have now been fixed, and -this release should come with compiled wheels once again. - -There will be no wheels for Python 3.12 due to a bug in mypyc. We will provide 3.12 -wheels in a future release as soon as the mypyc bug is fixed. - -### Packaging - -- Upgrade to mypy 1.5.1 (#3864) - -### Performance - -- Store raw tuples instead of NamedTuples in Black's cache, improving performance and - decreasing the size of the cache (#3877) - -## 23.9.0 - -### Preview style - -- More concise formatting for dummy implementations (#3796) -- In stub files, add a blank line between a statement with a body (e.g an - `if sys.version_info > (3, x):`) and a function definition on the same level (#3862) -- Fix a bug whereby spaces were removed from walrus operators within subscript(#3823) - -### Configuration - -- Black now applies exclusion and ignore logic before resolving symlinks (#3846) - -### Performance - -- Avoid importing `IPython` if notebook cells do not contain magics (#3782) -- Improve caching by comparing file hashes as fallback for mtime and size (#3821) - -### _Blackd_ - -- Fix an issue in `blackd` with single character input (#3558) - -### 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) -- The `.black.env` folder specified by `ENV_PATH` will now be removed on the completion - of the GitHub Action (#3759) - -## 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 - -- added support for PEP 572 assignment expressions (#711) - -- added support for PEP 570 positional-only arguments (#943) - -- added support for async generators (#593) - -- added support for pre-splitting collections by putting an explicit trailing comma - inside (#826) - -- added `black -c` as a way to format code passed from the command line (#761) - -- --safe now works with Python 2 code (#840) - -- fixed grammar selection for Python 2-specific code (#765) - -- fixed feature detection for trailing commas in function definitions and call sites - (#763) - -- `# fmt: off`/`# fmt: on` comment pairs placed multiple times within the same block of - code now behave correctly (#1005) - -- _Black_ no longer crashes on Windows machines with more than 61 cores (#838) - -- _Black_ no longer crashes on standalone comments prepended with a backslash (#767) - -- _Black_ no longer crashes on `from` ... `import` blocks with comments (#829) - -- _Black_ no longer crashes on Python 3.7 on some platform configurations (#494) - -- _Black_ no longer fails on comments in from-imports (#671) - -- _Black_ no longer fails when the file starts with a backslash (#922) - -- _Black_ no longer merges regular comments with type comments (#1027) - -- _Black_ no longer splits long lines that contain type comments (#997) - -- removed unnecessary parentheses around `yield` expressions (#834) - -- added parentheses around long tuples in unpacking assignments (#832) - -- added parentheses around complex powers when they are prefixed by a unary operator - (#646) - -- fixed bug that led _Black_ format some code with a line length target of 1 (#762) - -- _Black_ no longer introduces quotes in f-string subexpressions on string boundaries - (#863) - -- if _Black_ puts parenthesis around a single expression, it moves comments to the - wrapped expression instead of after the brackets (#872) - -- `blackd` now returns the version of _Black_ in the response headers (#1013) - -- `blackd` can now output the diff of formats on source code when the `X-Diff` header is - provided (#969) - -## 19.3b0 - -- new option `--target-version` to control which Python versions _Black_-formatted code - should target (#618) - -- deprecated `--py36` (use `--target-version=py36` instead) (#724) - -- _Black_ no longer normalizes numeric literals to include `_` separators (#696) - -- long `del` statements are now split into multiple lines (#698) - -- type comments are no longer mangled in function signatures - -- improved performance of formatting deeply nested data structures (#509) - -- _Black_ now properly formats multiple files in parallel on Windows (#632) - -- _Black_ now creates cache files atomically which allows it to be used in parallel - pipelines (like `xargs -P8`) (#673) - -- _Black_ now correctly indents comments in files that were previously formatted with - tabs (#262) - -- `blackd` now supports CORS (#622) - -## 18.9b0 - -- numeric literals are now formatted by _Black_ (#452, #461, #464, #469): - - - numeric literals are normalized to include `_` separators on Python 3.6+ code - - - added `--skip-numeric-underscore-normalization` to disable the above behavior and - leave numeric underscores as they were in the input - - - code with `_` in numeric literals is recognized as Python 3.6+ - - - most letters in numeric literals are lowercased (e.g., in `1e10`, `0x01`) - - - hexadecimal digits are always uppercased (e.g. `0xBADC0DE`) - -- 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) - -- trailing comma is now added to single imports that don't fit on a line (#250) - -- cache is now populated when `--check` is successful for a file which speeds up - consecutive checks of properly formatted unmodified files (#448) - -- whitespace at the beginning of the file is now removed (#399) - -- fixed mangling [pweave](http://mpastell.com/pweave/) and - [Spyder IDE](https://www.spyder-ide.org/) special comments (#532) - -- fixed unstable formatting when unpacking big tuples (#267) - -- fixed parsing of `__future__` imports with renames (#389) - -- fixed scope of `# fmt: off` when directly preceding `yield` and other nodes (#385) - -- fixed formatting of lambda expressions with default arguments (#468) - -- fixed `async for` statements: _Black_ no longer breaks them into separate lines (#372) - -- note: the Vim plugin stopped registering `,=` as a default chord as it turned out to - be a bad idea (#415) - -## 18.6b4 - -- hotfix: don't freeze when multiple comments directly precede `# fmt: off` (#371) - -## 18.6b3 - -- typing stub files (`.pyi`) now have blank lines added after constants (#340) - -- `# fmt: off` and `# fmt: on` are now much more dependable: - - - they now work also within bracket pairs (#329) - - - they now correctly work across function/class boundaries (#335) - - - they now work when an indentation block starts with empty lines or misaligned - comments (#334) - -- made Click not fail on invalid environments; note that Click is right but the - likelihood we'll need to access non-ASCII file paths when dealing with Python source - code is low (#277) - -- fixed improper formatting of f-strings with quotes inside interpolated expressions - (#322) - -- fixed unnecessary slowdown when long list literals where found in a file - -- fixed unnecessary slowdown on AST nodes with very many siblings - -- fixed cannibalizing backslashes during string normalization - -- fixed a crash due to symbolic links pointing outside of the project directory (#338) - -## 18.6b2 - -- added `--config` (#65) - -- added `-h` equivalent to `--help` (#316) - -- fixed improper unmodified file caching when `-S` was used - -- fixed extra space in string unpacking (#305) - -- fixed formatting of empty triple quoted strings (#313) - -- fixed unnecessary slowdown in comment placement calculation on lines without comments - -## 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 - -- added `--include` and `--exclude` (#270) - -- added `--skip-string-normalization` (#118) - -- added `--verbose` (#283) - -- the header output in `--diff` now actually conforms to the unified diff spec - -- fixed long trivial assignments being wrapped in unnecessary parentheses (#273) - -- fixed unnecessary parentheses when a line contained multiline strings (#232) - -- fixed stdin handling not working correctly if an old version of Click was used (#276) - -- _Black_ now preserves line endings when formatting a file in place (#258) - -## 18.5b1 - -- added `--pyi` (#249) - -- added `--py36` (#249) - -- Python grammar pickle caches are stored with the formatting caches, making _Black_ - work in environments where site-packages is not user-writable (#192) - -- _Black_ now enforces a PEP 257 empty line after a class-level docstring (and/or - fields) and the first method - -- fixed invalid code produced when standalone comments were present in a trailer that - was omitted from line splitting on a large expression (#237) - -- fixed optional parentheses being removed within `# fmt: off` sections (#224) - -- fixed invalid code produced when stars in very long imports were incorrectly wrapped - in optional parentheses (#234) - -- fixed unstable formatting when inline comments were moved around in a trailer that was - omitted from line splitting on a large expression (#238) - -- fixed extra empty line between a class declaration and the first method if no class - docstring or fields are present (#219) - -- fixed extra empty line between a function signature and an inner function or inner - class (#196) - -## 18.5b0 - -- call chains are now formatted according to the - [fluent interfaces](https://en.wikipedia.org/wiki/Fluent_interface) style (#67) - -- data structure literals (tuples, lists, dictionaries, and sets) are now also always - exploded like imports when they don't fit in a single line (#152) - -- slices are now formatted according to PEP 8 (#178) - -- parentheses are now also managed automatically on the right-hand side of assignments - and return statements (#140) - -- math operators now use their respective priorities for delimiting multiline - expressions (#148) - -- optional parentheses are now omitted on expressions that start or end with a bracket - and only contain a single operator (#177) - -- empty parentheses in a class definition are now removed (#145, #180) - -- string prefixes are now standardized to lowercase and `u` is removed on Python 3.6+ - only code and Python 2.7+ code with the `unicode_literals` future import (#188, #198, - #199) - -- typing stub files (`.pyi`) are now formatted in a style that is consistent with PEP - 484 (#207, #210) - -- progress when reformatting many files is now reported incrementally - -- fixed trailers (content with brackets) being unnecessarily exploded into their own - lines after a dedented closing bracket (#119) - -- fixed an invalid trailing comma sometimes left in imports (#185) - -- fixed non-deterministic formatting when multiple pairs of removable parentheses were - used (#183) - -- fixed multiline strings being unnecessarily wrapped in optional parentheses in long - assignments (#215) - -- fixed not splitting long from-imports with only a single name - -- fixed Python 3.6+ file discovery by also looking at function calls with unpacking. - This fixed non-deterministic formatting if trailing commas where used both in function - signatures with stars and function calls with stars but the former would be - reformatted to a single line. - -- fixed crash on dealing with optional parentheses (#193) - -- fixed "is", "is not", "in", and "not in" not considered operators for splitting - purposes - -- fixed crash when dead symlinks where encountered - -## 18.4a4 - -- don't populate the cache on `--check` (#175) - -## 18.4a3 - -- added a "cache"; files already reformatted that haven't changed on disk won't be - reformatted again (#109) - -- `--check` and `--diff` are no longer mutually exclusive (#149) - -- generalized star expression handling, including double stars; this fixes - multiplication making expressions "unsafe" for trailing commas (#132) - -- _Black_ no longer enforces putting empty lines behind control flow statements (#90) - -- _Black_ now splits imports like "Mode 3 + trailing comma" of isort (#127) - -- fixed comment indentation when a standalone comment closes a block (#16, #32) - -- fixed standalone comments receiving extra empty lines if immediately preceding a - class, def, or decorator (#56, #154) - -- fixed `--diff` not showing entire path (#130) - -- fixed parsing of complex expressions after star and double stars in function calls - (#2) - -- fixed invalid splitting on comma in lambda arguments (#133) - -- fixed missing splits of ternary expressions (#141) - -## 18.4a2 - -- fixed parsing of unaligned standalone comments (#99, #112) - -- fixed placement of dictionary unpacking inside dictionary literals (#111) - -- Vim plugin now works on Windows, too - -- fixed unstable formatting when encountering unnecessarily escaped quotes in a string - (#120) - -## 18.4a1 - -- added `--quiet` (#78) - -- added automatic parentheses management (#4) - -- added [pre-commit](https://pre-commit.com) integration (#103, #104) - -- fixed reporting on `--check` with multiple files (#101, #102) - -- fixed removing backslash escapes from raw strings (#100, #105) - -## 18.4a0 - -- added `--diff` (#87) - -- add line breaks before all delimiters, except in cases like commas, to better comply - with PEP 8 (#73) - -- standardize string literals to use double quotes (almost) everywhere (#75) - -- fixed handling of standalone comments within nested bracketed expressions; _Black_ - will no longer produce super long lines or put all standalone comments at the end of - the expression (#22) - -- fixed 18.3a4 regression: don't crash and burn on empty lines with trailing whitespace - (#80) - -- fixed 18.3a4 regression: `# yapf: disable` usage as trailing comment would cause - _Black_ to not emit the rest of the file (#95) - -- when CTRL+C is pressed while formatting many files, _Black_ no longer freaks out with - a flurry of asyncio-related exceptions - -- only allow up to two empty lines on module level and only single empty lines within - functions (#74) - -## 18.3a4 - -- `# fmt: off` and `# fmt: on` are implemented (#5) - -- automatic detection of deprecated Python 2 forms of print statements and exec - statements in the formatted file (#49) - -- use proper spaces for complex expressions in default values of typed function - arguments (#60) - -- only return exit code 1 when --check is used (#50) - -- don't remove single trailing commas from square bracket indexing (#59) - -- don't omit whitespace if the previous factor leaf wasn't a math operator (#55) - -- omit extra space in kwarg unpacking if it's the first argument (#46) - -- omit extra space in - [Sphinx auto-attribute comments](http://www.sphinx-doc.org/en/stable/ext/autodoc.html#directive-autoattribute) - (#68) - -## 18.3a3 - -- don't remove single empty lines outside of bracketed expressions (#19) - -- added ability to pipe formatting from stdin to stdin (#25) - -- restored ability to format code with legacy usage of `async` as a name (#20, #42) - -- even better handling of numpy-style array indexing (#33, again) - -## 18.3a2 - -- changed positioning of binary operators to occur at beginning of lines instead of at - the end, following - [a recent change to PEP 8](https://github.com/python/peps/commit/c59c4376ad233a62ca4b3a6060c81368bd21e85b) - (#21) - -- ignore empty bracket pairs while splitting. This avoids very weirdly looking - formattings (#34, #35) - -- remove a trailing comma if there is a single argument to a call - -- if top level functions were separated by a comment, don't put four empty lines after - the upper function - -- fixed unstable formatting of newlines with imports - -- fixed unintentional folding of post scriptum standalone comments into last statement - if it was a simple statement (#18, #28) - -- fixed missing space in numpy-style array indexing (#33) - -- fixed spurious space after star-based unary expressions (#31) - -## 18.3a1 - -- added `--check` - -- only put trailing commas in function signatures and calls if it's safe to do so. If - the file is Python 3.6+ it's always safe, otherwise only safe if there are no `*args` - or `**kwargs` used in the signature or call. (#8) - -- fixed invalid spacing of dots in relative imports (#6, #13) - -- fixed invalid splitting after comma on unpacked variables in for-loops (#23) - -- fixed spurious space in parenthesized set expressions (#7) - -- fixed spurious space after opening parentheses and in default arguments (#14, #17) - -- fixed spurious space after unary operators when the operand was a complex expression - (#15) - -## 18.3a0 - -- first published version, Happy 🍰 Day 2018! - -- alpha quality - -- date-versioned (see: )