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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="Hatch v1.6.0 brings improvements to build environments, better handling of dynamic metadata, and support for tools like Visual Studio Code."><meta name=author content="Ofek Lev"><link href=https://hatch.pypa.io/1.9/blog/2022/10/08/hatch-v160/ rel=canonical><link href=../../../../2023/12/11/hatch-v180/ rel=next><link rel=icon href=../../../../../assets/images/logo.svg><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.5.16+insiders-4.53.4"><title>Hatch v1.6.0 - Hatch</title><link rel=stylesheet href=../../../../../assets/stylesheets/main.ab3d5eaf.min.css><link rel=stylesheet href=../../../../../assets/stylesheets/palette.ab4e12ef.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CRoboto+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"Roboto Mono"}</style><link rel=stylesheet href=../../../../../assets/_mkdocstrings.css><link rel=stylesheet href=../../../../../assets/css/custom.css><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/firacode@6.2.0/distr/fira_code.css><script>__md_scope=new URL("../../../../..",location),__md_hash=e=>[...e].reduce((e,_)=>(e<<5)-e+_.charCodeAt(0),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script><meta property=og:type content=website><meta property=og:title content="Hatch v1.6.0 - Hatch"><meta property=og:description content="Hatch v1.6.0 brings improvements to build environments, better handling of dynamic metadata, and support for tools like Visual Studio Code."><meta property=og:image content=https://hatch.pypa.io/1.9/assets/images/social/blog/2022/10/08/hatch-v160.png><meta property=og:image:type content=image/png><meta property=og:image:width content=1200><meta property=og:image:height content=630><meta content=https://hatch.pypa.io/1.9/blog/2022/10/08/hatch-v160/ property=og:url><meta property=twitter:card content=summary_large_image><meta property=twitter:title content="Hatch v1.6.0 - Hatch"><meta property=twitter:description content="Hatch v1.6.0 brings improvements to build environments, better handling of dynamic metadata, and support for tools like Visual Studio Code."><meta property=twitter:image content=https://hatch.pypa.io/1.9/assets/images/social/blog/2022/10/08/hatch-v160.png><link href=../../../../../assets/stylesheets/glightbox.min.css rel=stylesheet><style>
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viewbox="0 0 24 24"><path d="M19.5 14.5A7.5 7.5 0 0 1 12 22a7.5 7.5 0 0 1-7.5-7.5C4.5 10.36 7.86 2 12 2c4.14 0 7.5 8.36 7.5 12.5Z"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2Z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> Hatch </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> Hatch v1.6.0 </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_0> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_1 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41.5-113.6-5.2-15.8-7.7-32.4-7.7-48.8 0-21.5 4.9-32.3 14.6-51.8 45.3 0 74.3 9 108.8 36 29-6.9 58.8-10 88.7-10 27 0 54.2 2.9 80.4 9.2 34-26.7 63-35.2 107.8-35.2 9.8 19.5 14.6 30.3 14.6 51.8 0 16.4-2.6 32.7-7.7 48.2 27.5 32.4 39 72.3 39 114.2zm-64.3 50.5c0-43.9-26.7-82.6-73.5-82.6-18.9 0-37 3.4-56 6-14.9 2.3-29.8 3.2-45.1 3.2-15.2 0-30.1-.9-45.1-3.2-18.7-2.6-37-6-56-6-46.8 0-73.5 38.7-73.5 82.6 0 87.8 80.4 101.3 150.4 101.3h48.2c70.3 0 150.6-13.4 150.6-101.3zm-82.6-55.1c-25.8 0-36.7 34.2-36.7 55.1s10.9 55.1 36.7 55.1 36.7-34.2 36.7-55.1-10.9-55.1-36.7-55.1z"/></svg> </div> <div class=md-source__repository> pypa/hatch </div> </a> </div> </nav> <nav class=md-tabs aria-label=Tabs data-md-component=tabs> <div class=md-grid> <ul class=md-tabs__list> <li class=md-tabs__item> <a href=../../../../.. class=md-tabs__link> Home </a> </li> <li class=md-tabs__item> <a href=../../../../../config/metadata/ class=md-tabs__link> Configuration </a> </li> <li class=md-tabs__item> <a 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4.9-32.3 14.6-51.8 45.3 0 74.3 9 108.8 36 29-6.9 58.8-10 88.7-10 27 0 54.2 2.9 80.4 9.2 34-26.7 63-35.2 107.8-35.2 9.8 19.5 14.6 30.3 14.6 51.8 0 16.4-2.6 32.7-7.7 48.2 27.5 32.4 39 72.3 39 114.2zm-64.3 50.5c0-43.9-26.7-82.6-73.5-82.6-18.9 0-37 3.4-56 6-14.9 2.3-29.8 3.2-45.1 3.2-15.2 0-30.1-.9-45.1-3.2-18.7-2.6-37-6-56-6-46.8 0-73.5 38.7-73.5 82.6 0 87.8 80.4 101.3 150.4 101.3h48.2c70.3 0 150.6-13.4 150.6-101.3zm-82.6-55.1c-25.8 0-36.7 34.2-36.7 55.1s10.9 55.1 36.7 55.1 36.7-34.2 36.7-55.1-10.9-55.1-36.7-55.1z"/></svg> </div> <div class=md-source__repository> pypa/hatch </div> </a> </div> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_1> <label class=md-nav__link for=__nav_1 id=__nav_1_label tabindex=0> <span class=md-ellipsis> Home </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_1_label 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data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../history/hatch/ class=md-nav__link> <span class=md-ellipsis> Hatch </span> </a> </li> <li class=md-nav__item> <a href=../../../../../history/hatchling/ class=md-nav__link> <span class=md-ellipsis> Hatchling </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_1_5> <label class=md-nav__link for=__nav_1_5 id=__nav_1_5_label tabindex=0> <span class=md-ellipsis> Community </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_1_5_label aria-expanded=false> <label class=md-nav__title for=__nav_1_5> <span class="md-nav__icon md-icon"></span> Community </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../community/users/ class=md-nav__link> <span class=md-ellipsis> Users </span> </a> </li> <li class=md-nav__item> <a href=../../../../../community/highlights/ class=md-nav__link> <span class=md-ellipsis> Highlights </span> </a> </li> <li class=md-nav__item> <a href=../../../../../community/contributing/ class=md-nav__link> <span class=md-ellipsis> Contributing </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_2> <label class=md-nav__link for=__nav_2 id=__nav_2_label tabindex=0> <span class=md-ellipsis> Configuration </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_2_label aria-expanded=false> <label class=md-nav__title for=__nav_2> <span class="md-nav__icon md-icon"></span> Configuration </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../config/metadata/ class=md-nav__link> <span class=md-ellipsis> Metadata </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/dependency/ class=md-nav__link> <span class=md-ellipsis> Dependencies </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/build/ class=md-nav__link> <span class=md-ellipsis> Build </span> </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_2_4> <label class=md-nav__link for=__nav_2_4 id=__nav_2_4_label tabindex=0> <span class=md-ellipsis> Environments </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_2_4_label aria-expanded=false> <label class=md-nav__title for=__nav_2_4> <span class="md-nav__icon md-icon"></span> Environments </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../config/environment/overview/ class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/environment/advanced/ class=md-nav__link> <span class=md-ellipsis> Advanced </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../../../../config/static-analysis/ class=md-nav__link> <span class=md-ellipsis> Static analysis </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/context/ class=md-nav__link> <span class=md-ellipsis> Context formatting </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/project-templates/ class=md-nav__link> <span class=md-ellipsis> Project templates </span> </a> </li> <li class=md-nav__item> <a href=../../../../../config/hatch/ class=md-nav__link> <span class=md-ellipsis> Hatch </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_3> <label class=md-nav__link for=__nav_3 id=__nav_3_label tabindex=0> <span class=md-ellipsis> CLI </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_3_label aria-expanded=false> <label class=md-nav__title for=__nav_3> <span class="md-nav__icon md-icon"></span> CLI </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../cli/about/ class=md-nav__link> <span class=md-ellipsis> About </span> </a> </li> <li class=md-nav__item> <a href=../../../../../cli/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4> <label class=md-nav__link for=__nav_4 id=__nav_4_label tabindex=0> <span class=md-ellipsis> Plugins </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4> <span class="md-nav__icon md-icon"></span> Plugins </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/about/ class=md-nav__link> <span class=md-ellipsis> About </span> </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_2> <label class=md-nav__link for=__nav_4_2 id=__nav_4_2_label tabindex=0> <span class=md-ellipsis> Builder </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_2_label aria-expanded=false> <label class=md-nav__title for=__nav_4_2> <span class="md-nav__icon md-icon"></span> Builder </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/builder/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/builder/wheel/ class=md-nav__link> <span class=md-ellipsis> Wheel </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/builder/sdist/ class=md-nav__link> <span class=md-ellipsis> Source distribution </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/builder/app/ class=md-nav__link> <span class=md-ellipsis> Application </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/builder/custom/ class=md-nav__link> <span class=md-ellipsis> Custom </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_3> <label class=md-nav__link for=__nav_4_3 id=__nav_4_3_label tabindex=0> <span class=md-ellipsis> Build hook </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_3_label aria-expanded=false> <label class=md-nav__title for=__nav_4_3> <span class="md-nav__icon md-icon"></span> Build hook </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/build-hook/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/build-hook/version/ class=md-nav__link> <span class=md-ellipsis> Version </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/build-hook/custom/ class=md-nav__link> <span class=md-ellipsis> Custom </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_4> <label class=md-nav__link for=__nav_4_4 id=__nav_4_4_label tabindex=0> <span class=md-ellipsis> Metadata hook </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4_4> <span class="md-nav__icon md-icon"></span> Metadata hook </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/metadata-hook/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/metadata-hook/custom/ class=md-nav__link> <span class=md-ellipsis> Custom </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_5> <label class=md-nav__link for=__nav_4_5 id=__nav_4_5_label tabindex=0> <span class=md-ellipsis> Environment </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_5_label aria-expanded=false> <label class=md-nav__title for=__nav_4_5> <span class="md-nav__icon md-icon"></span> Environment </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/environment/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/environment/virtual/ class=md-nav__link> <span class=md-ellipsis> Virtual </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_6> <label class=md-nav__link for=__nav_4_6 id=__nav_4_6_label tabindex=0> <span class=md-ellipsis> Environment collector </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_6_label aria-expanded=false> <label class=md-nav__title for=__nav_4_6> <span class="md-nav__icon md-icon"></span> Environment collector </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/environment-collector/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/environment-collector/custom/ class=md-nav__link> <span class=md-ellipsis> Custom </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/environment-collector/default/ class=md-nav__link> <span class=md-ellipsis> Default </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_7> <label class=md-nav__link for=__nav_4_7 id=__nav_4_7_label tabindex=0> <span class=md-ellipsis> Publisher </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_7_label aria-expanded=false> <label class=md-nav__title for=__nav_4_7> <span class="md-nav__icon md-icon"></span> Publisher </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/publisher/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/publisher/package-index/ class=md-nav__link> <span class=md-ellipsis> Index </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_8> <label class=md-nav__link for=__nav_4_8 id=__nav_4_8_label tabindex=0> <span class=md-ellipsis> Version source </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_8_label aria-expanded=false> <label class=md-nav__title for=__nav_4_8> <span class="md-nav__icon md-icon"></span> Version source </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/version-source/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/version-source/regex/ class=md-nav__link> <span class=md-ellipsis> Regex </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/version-source/code/ class=md-nav__link> <span class=md-ellipsis> Code </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/version-source/env/ class=md-nav__link> <span class=md-ellipsis> Environment </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_4_9> <label class=md-nav__link for=__nav_4_9 id=__nav_4_9_label tabindex=0> <span class=md-ellipsis> Version scheme </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_9_label aria-expanded=false> <label class=md-nav__title for=__nav_4_9> <span class="md-nav__icon md-icon"></span> Version scheme </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../plugins/version-scheme/reference/ class=md-nav__link> <span class=md-ellipsis> Reference </span> </a> </li> <li class=md-nav__item> <a href=../../../../../plugins/version-scheme/standard/ class=md-nav__link> <span class=md-ellipsis> Standard </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../../../../plugins/utilities/ class=md-nav__link> <span class=md-ellipsis> Utilities </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_5> <label class=md-nav__link for=__nav_5 id=__nav_5_label tabindex=0> <span class=md-ellipsis> How-to </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_5_label aria-expanded=false> <label class=md-nav__title for=__nav_5> <span class="md-nav__icon md-icon"></span> How-to </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_5_1> <label class=md-nav__link for=__nav_5_1 id=__nav_5_1_label tabindex=0> <span class=md-ellipsis> Environments </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_5_1_label aria-expanded=false> <label class=md-nav__title for=__nav_5_1> <span class="md-nav__icon md-icon"></span> Environments </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../how-to/environment/package-indices/ class=md-nav__link> <span class=md-ellipsis> Package indices </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_5_2> <label class=md-nav__link for=__nav_5_2 id=__nav_5_2_label tabindex=0> <span class=md-ellipsis> Plugins </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_5_2_label aria-expanded=false> <label class=md-nav__title for=__nav_5_2> <span class="md-nav__icon md-icon"></span> Plugins </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../how-to/plugins/testing-builds/ class=md-nav__link> <span class=md-ellipsis> Testing builds </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_6> <label class=md-nav__link for=__nav_6 id=__nav_6_label tabindex=0> <span class=md-ellipsis> Meta </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_6_label aria-expanded=false> <label class=md-nav__title for=__nav_6> <span class="md-nav__icon md-icon"></span> Meta </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../../meta/faq/ class=md-nav__link> <span class=md-ellipsis> FAQ </span> </a> </li> <li class=md-nav__item> <a href=../../../../../meta/authors/ class=md-nav__link> <span class=md-ellipsis> Authors </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_7 checked> <label class=md-nav__link for=__nav_7 id=__nav_7_label tabindex> <span class=md-ellipsis> Blog </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_7_label aria-expanded=true> <label class=md-nav__title for=__nav_7> <span class="md-nav__icon md-icon"></span> Blog </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--active"> <a href=../../../../ class=md-nav__link> <span class=md-ellipsis> Blog </span> </a> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_7_2> <label class=md-nav__link for=__nav_7_2 id=__nav_7_2_label tabindex> <span class=md-ellipsis> Archive </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_7_2_label aria-expanded=false> <label class=md-nav__title for=__nav_7_2> <span class="md-nav__icon md-icon"></span> Archive </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../archive/2023/ class=md-nav__link> <span class=md-ellipsis> 2023 </span> </a> </li> <li class=md-nav__item> <a href=../../../../archive/2022/ class=md-nav__link> <span class=md-ellipsis> 2022 </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle md-toggle--indeterminate" type=checkbox id=__nav_7_3> <label class=md-nav__link for=__nav_7_3 id=__nav_7_3_label tabindex> <span class=md-ellipsis> Categories </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_7_3_label aria-expanded=false> <label class=md-nav__title for=__nav_7_3> <span class="md-nav__icon md-icon"></span> Categories </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../../category/release/ class=md-nav__link> <span class=md-ellipsis> Release </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=sidebar data-md-type=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#build-environments class=md-nav__link> <span class=md-ellipsis> Build environments </span> </a> </li> <li class=md-nav__item> <a href=#project-metadata class=md-nav__link> <span class=md-ellipsis> Project metadata </span> </a> </li> <li class=md-nav__item> <a href=#virtual-environment-location class=md-nav__link> <span class=md-ellipsis> Virtual environment location </span> </a> </li> <li class=md-nav__item> <a href=#migration-script-improvements class=md-nav__link> <span class=md-ellipsis> Migration script improvements </span> </a> </li> <li class=md-nav__item> <a href=#hatchling class=md-nav__link> <span class=md-ellipsis> Hatchling </span> </a> <nav class=md-nav aria-label=Hatchling> <ul class=md-nav__list> <li class=md-nav__item> <a href=#environment-version-source class=md-nav__link> <span class=md-ellipsis> Environment version source </span> </a> </li> <li class=md-nav__item> <a href=#relaxed-version-bumping class=md-nav__link> <span class=md-ellipsis> Relaxed version bumping </span> </a> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class="md-content md-content--post" data-md-component=content> <div class="md-sidebar md-sidebar--post" data-md-component=sidebar data-md-type=navigation> <div class=md-sidebar__scrollwrap> <div class="md-sidebar__inner md-post"> <nav class="md-nav md-nav--primary"> <div class=md-post__back> <div class="md-nav__title md-nav__container"> <a href=../../../../ class=md-nav__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> <span class=md-ellipsis> Back to index </span> </a> </div> </div> <div class="md-post__authors md-typeset"> <div class="md-profile md-post__profile"> <span class="md-author md-author--long"> <img src=https://avatars.githubusercontent.com/u/9677399 alt="Ofek Lev"> </span> <span class=md-profile__description> <strong> Ofek Lev </strong> <br> Creator </span> </div> </div> <ul class="md-post__meta md-nav__list"> <li class="md-nav__item md-nav__item--section"> <div class=md-post__title> <span class=md-ellipsis> Metadata </span> </div> <nav class=md-nav> <ul class=md-nav__list> <li class=md-nav__item> <div class=md-nav__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M19 19H5V8h14m-3-7v2H8V1H6v2H5c-1.11 0-2 .89-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2h-1V1m-1 11h-5v5h5v-5Z"/></svg> <time datetime="2022-10-08 00:00:00" class=md-ellipsis>October 8, 2022, 12:00:00AM UTC</time> </div> </li> <li class=md-nav__item> <div class=md-nav__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9 3v15h3V3H9m3 2 4 13 3-1-4-13-3 1M5 5v13h3V5H5M3 19v2h18v-2H3Z"/></svg> <span class=md-ellipsis> in <a href=../../../../category/release/ >Release</a></span> </div> </li> <li class=md-nav__item> <div class=md-nav__link> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 20a8 8 0 0 0 8-8 8 8 0 0 0-8-8 8 8 0 0 0-8 8 8 8 0 0 0 8 8m0-18a10 10 0 0 1 10 10 10 10 0 0 1-10 10C6.47 22 2 17.5 2 12A10 10 0 0 1 12 2m.5 5v5.25l4.5 2.67-.75 1.23L11 13V7h1.5Z"/></svg> <span class=md-ellipsis> 3 min read </span> </div> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <article class="md-content__inner md-typeset"> <a href=https://github.com/pypa/hatch/blob/master/docs/blog/posts/release-hatch-160.md title="Edit this page" class="md-content__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg> </a> <h1 id=hatch-v160>Hatch v1.6.0<a class=headerlink href=#hatch-v160 title="Permanent link">&para;</a></h1> <p>Hatch <a href=https://github.com/pypa/hatch/releases/tag/hatch-v1.6.0>v1.6.0</a> brings improvements to build environments, better handling of dynamic metadata, and support for tools like Visual Studio Code.</p> <!-- more --> <h2 id=build-environments>Build environments<a class=headerlink href=#build-environments title="Permanent link">&para;</a></h2> <p>Originally, the environment interface method for <a href=../../../../../plugins/environment/reference/#hatch.env.plugin.interface.EnvironmentInterface.build_environment>providing builder sub-environments</a> was intended to be used in conjunction with some cleanup logic in order to provide a fresh setup every time. However, this is unnecessary in practice because build dependencies rarely change.</p> <p>Without caching, repeat build environment use is slow which affects the following scenarios:</p> <ul> <li>the <a href=../../../../../cli/reference/#hatch-build><code>build</code></a> command</li> <li>commands that read project metadata, like <a href=../../../../../cli/reference/#hatch-dep-hash><code>dep hash</code></a>, if any fields are <a href=../../../../../config/metadata/#dynamic>set dynamically</a></li> </ul> <p>Now a new environment interface method <a href=../../../../../plugins/environment/reference/#hatch.env.plugin.interface.EnvironmentInterface.build_environment_exists><code>build_environment_exists</code></a> is used by Hatch to determine whether or not it has already been created, for implementations that have a caching mechanism.</p> <p>The <a href=../../../../../plugins/environment/virtual/ ><code>virtual</code></a> environment type now uses this method to cache build environments.</p> <h2 id=project-metadata>Project metadata<a class=headerlink href=#project-metadata title="Permanent link">&para;</a></h2> <p>Dynamically defined metadata is now supported everywhere, thanks to the new caching of <code>virtual</code> build environments.</p> <p>A <a href=../../../../../cli/reference/#hatch-project-metadata><code>project metadata</code></a> command is introduced that displays the fully resolved <a href=../../../../../config/metadata/ >metadata</a>. The output format is JSON unless a field is specified as an argument.</p> <p>For example, if you checkout a project that is built by Hatch, like <a href=https://github.com/tiangolo/fastapi>FastAPI</a>, and run:</p> <div class=highlight><pre><span></span><code>hatch project metadata readme
</code></pre></div> <p>only the <code>readme</code> text will be displayed. If the content is in Markdown, then <a href=https://github.com/Textualize/rich>Rich</a> will render it directly in your terminal:</p> <p><a class=glightbox href=../../../../release-hatch-160/rich-readme.png data-type=image data-width=auto data-height=auto data-desc-position=bottom><img alt="FastAPI readme" src=../../../../release-hatch-160/rich-readme.png></a></p> <h2 id=virtual-environment-location>Virtual environment location<a class=headerlink href=#virtual-environment-location title="Permanent link">&para;</a></h2> <p>The <a href=../../../../../plugins/environment/virtual/ ><code>virtual</code></a> environment type now uses a flat layout for storage in the configured <code>virtual</code> <a href=../../../../../config/hatch/#environments>environment directory</a> if the directory resides somewhere within the project root or if it is set to a <code>.virtualenvs</code> directory within the user's home directory.</p> <p>For example, if you define the following Hatch configuration:</p> <div class="tabbed-set tabbed-alternate" data-tabs=1:1><input checked=checked id=configtoml name=__tabbed_1 type=radio><div class=tabbed-labels><label for=configtoml><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 16 16"><path d="M4 1.75C4 .784 4.784 0 5.75 0h5.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v8.586A1.75 1.75 0 0 1 14.25 15h-9a.75.75 0 0 1 0-1.5h9a.25.25 0 0 0 .25-.25V6h-2.75A1.75 1.75 0 0 1 10 4.25V1.5H5.75a.25.25 0 0 0-.25.25v2.5a.75.75 0 0 1-1.5 0Zm1.72 4.97a.75.75 0 0 1 1.06 0l2 2a.75.75 0 0 1 0 1.06l-2 2a.749.749 0 0 1-1.275-.326.749.749 0 0 1 .215-.734l1.47-1.47-1.47-1.47a.75.75 0 0 1 0-1.06ZM3.28 7.78 1.81 9.25l1.47 1.47a.751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018l-2-2a.75.75 0 0 1 0-1.06l2-2a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042Zm8.22-6.218V4.25c0 .138.112.25.25.25h2.688l-.011-.013-2.914-2.914-.013-.011Z"/></svg></span> config.toml</label></div> <div class=tabbed-content> <div class=tabbed-block> <div class=highlight><pre><span></span><code><span class=k>[dirs.env]</span>
<span class=n>virtual</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=s2>&quot;.hatch&quot;</span>
</code></pre></div> </div> </div> </div> <p>and the following <a href=../../../../../config/environment/advanced/#matrix>matrix</a>:</p> <div class="tabbed-set tabbed-alternate" data-tabs=2:2><input checked=checked id=pyprojecttoml name=__tabbed_2 type=radio><input id=hatchtoml name=__tabbed_2 type=radio><div class=tabbed-labels><label for=pyprojecttoml><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 16 16"><path d="M4 1.75C4 .784 4.784 0 5.75 0h5.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v8.586A1.75 1.75 0 0 1 14.25 15h-9a.75.75 0 0 1 0-1.5h9a.25.25 0 0 0 .25-.25V6h-2.75A1.75 1.75 0 0 1 10 4.25V1.5H5.75a.25.25 0 0 0-.25.25v2.5a.75.75 0 0 1-1.5 0Zm1.72 4.97a.75.75 0 0 1 1.06 0l2 2a.75.75 0 0 1 0 1.06l-2 2a.749.749 0 0 1-1.275-.326.749.749 0 0 1 .215-.734l1.47-1.47-1.47-1.47a.75.75 0 0 1 0-1.06ZM3.28 7.78 1.81 9.25l1.47 1.47a.751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018l-2-2a.75.75 0 0 1 0-1.06l2-2a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042Zm8.22-6.218V4.25c0 .138.112.25.25.25h2.688l-.011-.013-2.914-2.914-.013-.011Z"/></svg></span> pyproject.toml</label><label for=hatchtoml><span class=twemoji><svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 16 16"><path d="M4 1.75C4 .784 4.784 0 5.75 0h5.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v8.586A1.75 1.75 0 0 1 14.25 15h-9a.75.75 0 0 1 0-1.5h9a.25.25 0 0 0 .25-.25V6h-2.75A1.75 1.75 0 0 1 10 4.25V1.5H5.75a.25.25 0 0 0-.25.25v2.5a.75.75 0 0 1-1.5 0Zm1.72 4.97a.75.75 0 0 1 1.06 0l2 2a.75.75 0 0 1 0 1.06l-2 2a.749.749 0 0 1-1.275-.326.749.749 0 0 1 .215-.734l1.47-1.47-1.47-1.47a.75.75 0 0 1 0-1.06ZM3.28 7.78 1.81 9.25l1.47 1.47a.751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018l-2-2a.75.75 0 0 1 0-1.06l2-2a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042Zm8.22-6.218V4.25c0 .138.112.25.25.25h2.688l-.011-.013-2.914-2.914-.013-.011Z"/></svg></span> hatch.toml</label></div> <div class=tabbed-content> <div class=tabbed-block> <div class=highlight><pre><span></span><code><span class=k>[[tool.hatch.envs.test.matrix]]</span>
<span class=n>python</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=p>[</span><span class=s2>&quot;3.7&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.8&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.9&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.10&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.11&quot;</span><span class=p>]</span>
</code></pre></div> </div> <div class=tabbed-block> <div class=highlight><pre><span></span><code><span class=k>[[envs.test.matrix]]</span>
<span class=n>python</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=p>[</span><span class=s2>&quot;3.7&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.8&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.9&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.10&quot;</span><span class=p>,</span><span class=w> </span><span class=s2>&quot;3.11&quot;</span><span class=p>]</span>
</code></pre></div> </div> </div> </div> <p>then <a href=../../../../../cli/reference/#hatch-env-find>locating</a> environments with the following command:</p> <div class=highlight><pre><span></span><code>hatch env find test
</code></pre></div> <p>will show that the general directory structure is:</p> <div class=highlight><pre><span></span><code>.hatch
├── test.py3.7
├── test.py3.8
├── test.py3.9
├── test.py3.10
└── test.py3.11
</code></pre></div> <p>This flat structure is required for detection of virtual environments by tools like Visual Studio Code and PyCharm.</p> <p>Additionally, the <code>virtual</code> environment type now supports a <code>path</code> option to specify an explicit path that all <a href=../../../../../config/environment/overview/#inheritance>inherited</a> environments will share, such as the common <code>.venv</code>.</p> <h2 id=migration-script-improvements>Migration script improvements<a class=headerlink href=#migration-script-improvements title="Permanent link">&para;</a></h2> <p>The <a href=https://github.com/pypa/hatch/blob/hatch-v1.6.0/src/hatch/cli/new/migrate.py>script</a> used to migrate <a href=../../../../../intro/#existing-project>existing projects</a> from <code>setuptools</code> has been improved to handle more edge cases that were encountered in the wild and now no longer modifies the formatting of existing <code>pyproject.toml</code> configuration.</p> <h2 id=hatchling>Hatchling<a class=headerlink href=#hatchling title="Permanent link">&para;</a></h2> <p>Hatch now depends on Hatchling <a href=https://github.com/pypa/hatch/releases/tag/hatchling-v1.11.0>v1.11.0</a>, which was also just released.</p> <h3 id=environment-version-source>Environment version source<a class=headerlink href=#environment-version-source title="Permanent link">&para;</a></h3> <p>A new <a href=../../../../../plugins/version-source/env/ ><code>env</code> version source</a> is available that allows for the project version to be defined by an environment variable.</p> <h3 id=relaxed-version-bumping>Relaxed version bumping<a class=headerlink href=#relaxed-version-bumping title="Permanent link">&para;</a></h3> <p>The <a href=../../../../../plugins/version-scheme/standard/ ><code>standard</code> version scheme</a> now supports a <code>validate-bump</code> option that when set to <code>false</code> will forego the check when <a href=../../../../../version/#updating>updating the version</a> that the desired version is higher than the current version.</p> <p>This use case comes from <a href=https://jupyter.org>Project Jupyter</a>:</p> <blockquote> <p>A common pattern we use in Jupyter is to bump to a <code>.dev0</code> minor version bump after making a release. 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