pypa-hatch/docs/history/hatchling.md

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# Hatchling history
-----
All notable changes to Hatchling will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## Unreleased
## [1.26.3](https://github.com/pypa/hatch/releases/tag/hatchling-v1.26.3) - 2024-11-12 ## {: #hatchling-v1.26.3 }
***Fixed:***
- Support an old import path that is still used by some consumers like Hatch
## [1.26.2](https://github.com/pypa/hatch/releases/tag/hatchling-v1.26.2) - 2024-11-12 ## {: #hatchling-v1.26.2 }
***Fixed:***
- Back-populate string `license` fields (`License-Expression`) for core metadata versions prior to 2.4
- Remove the `License-Expression` and `License-Files` core metadata from version 2.2 that was missed in the previous minor release
## [1.26.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.26.1) - 2024-11-10 ## {: #hatchling-v1.26.1 }
***Fixed:***
- Add backward compatibility for the old `license-files` metadata field
- Support an old import path that is still used by some consumers like Hatch
## [1.26.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.26.0) - 2024-11-10 ## {: #hatchling-v1.26.0 }
***Changed:***
- The `license-files` metadata field has been updated to the latest spec and is now just an array of glob patterns
***Added:***
- Support version 2.4 of core metadata for the `wheel` and `sdist` targets
- Add `HATCH_METADATA_CLASSIFIERS_NO_VERIFY` environment variable to disable trove classifier verification
- Add `.pixi` to the list of directories that cannot be traversed
- Bump the minimum supported version of `packaging` to 24.2
***Fixed:***
- No longer write package metadata for license expressions and files for versions of core metadata prior to 2.4
- Properly enable Zip64 support for the `wheel` target
- Properly ignore parent `.gitingore` files when the project root matches one of the patterns
## [1.25.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.25.0) - 2024-06-22 ## {: #hatchling-v1.25.0 }
***Changed:***
- The `macos-max-compat` option for the `wheel` target is now disabled by default and will be removed in a future release
***Added:***
- Artifacts for the `wheel` and `sdist` targets now have their permission bits normalized
***Fixed:***
- Ignore `manylinux`/`musllinux` tags for the `wheel` target artifact name when enabling the `infer_tag` build data
- The `wheel` target build data `infer_tag` when enabled now respects the `MACOSX_DEPLOYMENT_TARGET` environment variable
## [1.24.2](https://github.com/pypa/hatch/releases/tag/hatchling-v1.24.2) - 2024-04-22 ## {: #hatchling-v1.24.2 }
***Fixed:***
- Add `.venv` to the list of directories that cannot be traversed
- Output from the core Application utility now writes to stderr
## [1.24.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.24.1) - 2024-04-18 ## {: #hatchling-v1.24.1 }
***Fixed:***
- Maintain file permissions for `shared-scripts` option/`shared_scripts` build data of the `wheel` target
## [1.24.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.24.0) - 2024-04-16 ## {: #hatchling-v1.24.0 }
***Added:***
- Add `shared_data` and `shared_scripts` build data for the `wheel` target
## [1.23.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.23.0) - 2024-04-14 ## {: #hatchling-v1.23.0 }
***Added:***
- Add `shared-scripts` option for the `wheel` target
***Fixed:***
- Support recursive optional dependencies
- Set the `packaging` dependency version as `>=23.2` to avoid its URL validation which can conflict with context formatting
## [1.22.5](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.5) - 2024-04-04 ## {: #hatchling-v1.22.5 }
***Fixed:***
- Fix reading metadata from source distributions when fields are dynamic but not part of core metadata like entry points
## [1.22.4](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.4) - 2024-03-23 ## {: #hatchling-v1.22.4 }
***Fixed:***
- Only read source distribution metadata for fields that are explicitly defined as dynamic
## [1.22.3](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.3) - 2024-03-19 ## {: #hatchling-v1.22.3 }
***Fixed:***
- Fix the `custom` build hook when using dynamic dependencies
## [1.22.2](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.2) - 2024-03-16 ## {: #hatchling-v1.22.2 }
***Fixed:***
- Fix regression when loading metadata from source distributions
- Fix metadata hooks when building wheels from source distributions
## [1.22.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.1) - 2024-03-16 ## {: #hatchling-v1.22.1 }
***Fixed:***
- Update the default version of core metadata to 2.3
## [1.22.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.22.0) - 2024-03-16 ## {: #hatchling-v1.22.0 }
***Deprecated:***
- The `app` build target has been renamed to `binary` to reduce ambiguity with the name of an upcoming feature. The former name will still be usable for several minor releases.
***Added:***
- Metadata for the `wheel` target now defaults to the `PKG-INFO` metadata within source distributions
- Add `dependencies` method to the build hook interface so that hooks can themselves dynamically define dependencies
- Update the default version of core metadata to 2.2
- Update SPDX license information to version 3.23
- Improve error message for when the default heuristics for wheel file inclusion fail
***Fixed:***
- Properly support core metadata version 2.2
- Remove `editables` as a direct dependency
- Fix default wheel tag when the supported Python version declaration is strict
- Load VCS ignore patterns first so that whitelisted patterns can be excluded by project configuration
- Don't consider VCS ignore files that are outside of the VCS boundary
- The `sdist` build target now gracefully ignores UNIX socket files
- Begin ignoring certain files ubiquitously, like `.DS_Store` on macOS
## [1.21.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.21.1) - 2024-01-25 ## {: #hatchling-v1.21.1 }
***Fixed:***
- Fix loading of local plugins to account for newly released versions of a dependency
## [1.21.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.21.0) - 2023-12-18 ## {: #hatchling-v1.21.0 }
***Added:***
- Add `parent` context modifier for path fields
## [1.20.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.20.0) - 2023-12-13 ## {: #hatchling-v1.20.0 }
***Added:***
- Add `bypass-selection` option to the `wheel` build target to allow for empty (metadata-only) wheels
***Fixed:***
- Fix regression in 1.19.1 that allowed `exclude` to count toward inclusion selection, thus bypassing the default inclusion selection heuristics
- Fix writing optional dependency core metadata in situations where there are multiple environment markers
## [1.19.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.19.1) - 2023-12-12 ## {: #hatchling-v1.19.1 }
***Fixed:***
- Add better error message when the `wheel` build target cannot determine what to ship
- Consider forced inclusion patterns and build-time artifacts as file selection since some build hooks generate the entire wheel contents without user configuration
## [1.19.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.19.0) - 2023-12-11 ## {: #hatchling-v1.19.0 }
***Changed:***
- An error will now be raised if a force-included path does not exist
- An error will now be raised for the `wheel` build target if no file selection options are defined
***Added:***
- Officially support Python 3.12
- Allow using an empty string for the `sources` option to add a prefix to distribution paths
***Fixed:***
- Properly handle non-zero version epoch for the `standard` version scheme
- Fix the `wheel` build target for case insensitive file systems when the project metadata name does not match the directory name on disk
- The `app` build target no longer has suppressed output
- Prevent duplicate paths when projects require the `sources` option while build hooks overwrite included paths
- Properly escape spaces for URI context formatting
## [1.18.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.18.0) - 2023-06-12 ## {: #hatchling-v1.18.0 }
***Changed:***
- Drop support for Python 3.7
***Added:***
- Update the list of directories that are always excluded for builds
## [1.17.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.17.1) - 2023-06-03 ## {: #hatchling-v1.17.1 }
***Fixed:***
- Fix dev mode when the project has symlinks and file inclusion is defined with the `packages` or `only-include` options
- Change the name of generated PTH files for dev mode so they come first lexicographically and therefore load first
## [1.17.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.17.0) - 2023-05-12 ## {: #hatchling-v1.17.0 }
***Added:***
- The `app` build target now embeds the project version in the name of binaries
## [1.16.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.16.1) - 2023-05-11 ## {: #hatchling-v1.16.1 }
***Fixed:***
- Fix determining the built executable path for the `app` build target option when using a local copy of PyApp when there is an explicit target triple set
## [1.16.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.16.0) - 2023-05-11 ## {: #hatchling-v1.16.0 }
***Added:***
- Add `app` build target option to build using a local copy of the PyApp repository
## [1.15.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.15.0) - 2023-05-09 ## {: #hatchling-v1.15.0 }
***Added:***
- Add `app` build target
## [1.14.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.14.1) - 2023-04-23 ## {: #hatchling-v1.14.1 }
***Fixed:***
- Fix internal archive root naming for the `sdist` target when `strict-naming` is disabled to match the file name in order to support the expectation of some frontends
## [1.14.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.14.0) - 2023-04-02 ## {: #hatchling-v1.14.0 }
***Added:***
- Add `trove-classifiers` as a dependency
***Fixed:***
- Properly normalize metadata descriptions that contain line breaks
## [1.13.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.13.0) - 2023-02-09 ## {: #hatchling-v1.13.0 }
***Added:***
- Update the set of known trove classifiers to version 2023.2.8
## [1.12.2](https://github.com/pypa/hatch/releases/tag/hatchling-v1.12.2) - 2023-01-05 ## {: #hatchling-v1.12.2 }
***Fixed:***
- Add `macos-max-compat` option to the `wheel` target that is enabled by default to support the latest version 22.0 of the `packaging` library
## [1.12.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.12.1) - 2022-12-31 ## {: #hatchling-v1.12.1 }
***Fixed:***
- Fix minor regression in the PEP 517/660 function signatures that was discovered by Fedora
## [1.12.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.12.0) - 2022-12-30 ## {: #hatchling-v1.12.0 }
***Added:***
- Improve readability of exceptions
- Add `extra_metadata` build data to the `wheel` target
- Retroactively support `License-Expression` core metadata starting at version 2.1
- Add more type hints
- Update the set of known trove classifiers to version 2022.12.22
- Update SPDX license information to version 3.19
- Store Hatchling's metadata in `pyproject.toml`
***Fixed:***
- Acknowledge the `ARCHFLAGS` environment variable on macOS for the `wheel` target when build hooks set the `infer_tag` build data to `true`
- Fix dependency checking when encountering broken distributions
- Fix the `support-legacy` option for the `sdist` target when using a src-layout project structure
- Remove unnecessary encoding declaration in the default template for the `version` build hook
## [1.11.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.11.1) - 2022-10-19 ## {: #hatchling-v1.11.1 }
***Fixed:***
- Fix default file selection behavior of the `wheel` target when there is a single top-level module
## [1.11.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.11.0) - 2022-10-08 ## {: #hatchling-v1.11.0 }
***Added:***
- Add `env` version source to retrieve the version from an environment variable
- Add `validate-bump` option to the `standard` version scheme
***Fixed:***
- Use proper CSV formatting for the `RECORD` metadata file of the `wheel` target to avoid warnings during installation by `pip` if, for example, file names contain commas
- Fix installations with pip for build hooks that modify runtime dependencies
- Decreasing verbosity now has no affect on output that should always be displayed
## [1.10.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.10.0) - 2022-09-18 ## {: #hatchling-v1.10.0 }
***Added:***
- Add the following to the list of directories that cannot be traversed: `__pypackages__`, `.hg`, `.hatch`, `.tox`, `.nox`
- Add deprecated option to allow ambiguous features
***Fixed:***
- Improve tracking of dynamic metadata
- Fix core metadata for entries in `project.optional-dependencies` that use direct references
## [1.9.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.9.0) - 2022-09-09 ## {: #hatchling-v1.9.0 }
***Changed:***
- File pattern matching now more closely resembles Git's behavior
***Added:***
- Implement a minimal version of `prepare_metadata_for_build_wheel` and `prepare_metadata_for_build_editable` for non-frontend tools that only need to inspect a project's metadata
- Add `metadata` command to view PEP 621 project metadata
- Improve error messages for SPDX license errors
- Retroactively support `License-File` for core metadata starting at version 2.1
- Bump the minimum supported version of `pathspec` to 0.10.1
***Fixed:***
- Allow the valid non-SPDX `license` values `LicenseRef-Public-Domain` and `LicenseRef-Proprietary`
- Show the help text of the CLI when no subcommand is selected
## [1.8.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.8.1) - 2022-08-25 ## {: #hatchling-v1.8.1 }
***Fixed:***
- Fix default file inclusion for `wheel` build targets when both the project name and package directory name are not normalized
## [1.8.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.8.0) - 2022-08-16 ## {: #hatchling-v1.8.0 }
***Added:***
- Add `get_known_classifiers` method to metadata hooks
***Fixed:***
- Fix check for updating static versions with the `version` command when metadata hooks are in use
## [1.7.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.7.1) - 2022-08-13 ## {: #hatchling-v1.7.1 }
***Fixed:***
- Fix the value of the `relative_path` attribute of included files, that some build plugins may use, when selecting explicit paths
## [1.7.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.7.0) - 2022-08-12 ## {: #hatchling-v1.7.0 }
***Added:***
- Add `require-runtime-features` option for builders and build hooks
- Check for unknown trove classifiers
- Update SPDX license information to version 3.18
***Fixed:***
- Add better error message for `wheel` target dev mode installations that define path rewrites with the `sources` option
- Note the `allow-direct-references` option in the relevant error messages
## [1.6.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.6.0) - 2022-07-23 ## {: #hatchling-v1.6.0 }
***Changed:***
- When no build targets are specified on the command line, now default to `sdist` and `wheel` targets rather than what happens to be defined in config
- The `code` version source now only supports files with known extensions
- Global build hooks now run before target-specific build hooks to better match expected behavior
***Added:***
- The `code` version source now supports loading extension modules
- Add `search-paths` option for the `code` version source
***Fixed:***
- Fix removing `sources` using an empty string value in the mapping
- The `strict-naming` option now also applies to the metadata directory of `wheel` targets
## [1.5.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.5.0) - 2022-07-11 ## {: #hatchling-v1.5.0 }
***Added:***
- Support the final draft of PEP 639
- Add `strict-naming` option for `sdist` and `wheel` targets
***Fixed:***
- Project names are now stored in `sdist` and `wheel` target core metadata exactly as defined in `pyproject.toml` without normalization to allow control of how PyPI displays them
## [1.4.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.4.1) - 2022-07-04 ## {: #hatchling-v1.4.1 }
***Fixed:***
- Fix forced inclusion of important files like licenses for `sdist` targets when using the explicit selection options
- Don't sort project URL metadata so that the rendered order on PyPI can be controlled
## [1.4.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.4.0) - 2022-07-03 ## {: #hatchling-v1.4.0 }
***Changed:***
- The `packages` option uses the new `only-include` option to provide targeted inclusion, since that is desired most of the time. You can retain the old behavior by using the `include` and `sources` options together.
***Added:***
- Support PEP 561 type hinting
- Add `version` build hook
- Add `only-include` option
- The `editable` version of `wheel` targets now respects the `force-include` option by default
- The `force-include` option now supports path rewriting with the `sources` option
- The `wheel` target `shared-data` and `extra-metadata` options now respect file selection options
- The `wheel` target now auto-detects single module layouts
- Improve performance by never entering directories that are guaranteed to be undesirable like `__pycache__` rather than excluding individual files within
- Update SPDX license information to version 3.17
***Fixed:***
- Don't write empty entry points file for `wheel` targets if there are no entry points defined
- Allow metadata hooks to set the `version` in all cases
- Prevent duplicate file entries from inclusion when using the `force-include` option
## [1.3.1](https://github.com/pypa/hatch/releases/tag/hatchling-v1.3.1) - 2022-05-30 ## {: #hatchling-v1.3.1 }
***Fixed:***
- Better populate global variables for the `code` version source
## [1.3.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.3.0) - 2022-05-22 ## {: #hatchling-v1.3.0 }
***Removed:***
- Remove unused global `args` context string formatting field
***Added:***
- Improve error messages for the `env` context string formatting field
***Fixed:***
- Fix `uri` context string formatting modifier on Windows
## [1.2.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.2.0) - 2022-05-20 ## {: #hatchling-v1.2.0 }
***Added:***
- Allow context formatting for `project.dependencies` and `project.optional-dependencies`
## [1.1.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.1.0) - 2022-05-19 ## {: #hatchling-v1.1.0 }
***Added:***
- Add `uri` and `real` context string formatting modifiers for file system paths
## [1.0.0](https://github.com/pypa/hatch/releases/tag/hatchling-v1.0.0) - 2022-05-17 ## {: #hatchling-v1.0.0 }
***Changed:***
- Drop support for Python 2
***Added:***
- Improve error messaging for invalid versions
- Update project metadata to reflect support for Python 3.11
## [0.25.1](https://github.com/pypa/hatch/releases/tag/hatchling-v0.25.1) - 2022-06-14 ## {: #hatchling-v0.25.1 }
***Fixed:***
- Fix support for Windows on Python 2 by removing its support for symlinks
## [0.25.0](https://github.com/pypa/hatch/releases/tag/hatchling-v0.25.0) - 2022-05-15 ## {: #hatchling-v0.25.0 }
***Added:***
- Add `skip-excluded-dirs` build option
- Allow build data to add additional project dependencies for `wheel` and `sdist` build targets
- Add `force_include_editable` build data for the `wheel` build target
- Add `build_hooks` build data
- Add support for Mercurial's `.hgignore` files when using glob syntax
- Update project metadata to reflect the adoption by PyPA
***Fixed:***
- Properly use underscores for the name of `force_include` build data
- No longer greedily skip excluded directories by default
## [0.24.0](https://github.com/pypa/hatch/releases/tag/hatchling-v0.24.0) - 2022-04-28 ## {: #hatchling-v0.24.0 }
This is the initial public release of the Hatchling build system. Support for Python 2 will be dropped in version 1.