[{"data":1,"prerenderedAt":2435},["ShallowReactive",2],{"page-\u002Fproject-setup-dependency-management\u002Fpoetry-workflows-for-cli-development\u002Fpoetry-dependency-groups-for-cli-tooling\u002F":3,"content-directory":1590},{"id":4,"title":5,"body":6,"date":1577,"description":1578,"difficulty":1579,"draft":1580,"extension":1581,"meta":1582,"navigation":188,"path":1583,"seo":1584,"stem":1585,"tags":1586,"updated":1577,"__hash__":1589},"content\u002Fproject-setup-dependency-management\u002Fpoetry-workflows-for-cli-development\u002Fpoetry-dependency-groups-for-cli-tooling\u002Findex.md","Poetry Dependency Groups for CLI Tooling",{"type":7,"value":8,"toc":1557},"minimark",[9,24,29,55,59,63,83,87,516,519,534,547,550,618,622,625,628,741,759,763,766,796,807,888,895,899,905,908,950,954,985,988,992,999,1429,1444,1448,1454,1458,1467,1480,1488,1495,1499,1506,1510,1521,1525,1553],[10,11,12,13,17,18,23],"p",{},"A CLI project needs two very different sets of dependencies. There is what the tool needs to run — Typer, httpx, Rich — which ships to every user. And there is everything developers need to work on it: pytest and its plugins, Ruff, mypy, documentation generators, release tooling. Mixing the two is the classic packaging mistake: a linter listed as a runtime dependency gets installed on every user's machine, or a library the tool actually imports is listed only for development, so tests pass and the first user gets ",[14,15,16],"code",{},"ModuleNotFoundError",". Poetry's dependency groups keep the sets apart and let each CI job install exactly what it needs. This guide sets them up for a CLI, shows the install commands for each job, and explains when to use groups and when to use extras. It belongs to the ",[19,20,22],"a",{"href":21},"\u002Fproject-setup-dependency-management\u002Fpoetry-workflows-for-cli-development\u002F","Poetry workflows for CLI development topic",".",[25,26,28],"h2",{"id":27},"prerequisites","Prerequisites",[30,31,32,36],"ul",{},[33,34,35],"li",{},"A CLI project managed with Poetry 1.2 or newer (groups were introduced in 1.2; the examples use 2.x).",[33,37,38,39,42,43,46,47,50,51,23],{},"A basic ",[14,40,41],{},"pyproject.toml"," with ",[14,44,45],{},"[tool.poetry.scripts]"," or ",[14,48,49],{},"[project.scripts]"," defining your command, as in ",[19,52,54],{"href":53},"\u002Fproject-setup-dependency-management\u002Fpoetry-workflows-for-cli-development\u002Fpoetry-entry-points-and-scripts-for-clis\u002F","Poetry entry points and scripts for CLIs",[25,56,58],{"id":57},"the-shape-one-main-group-several-tool-groups","The shape: one main group, several tool groups",[60,61],"inline-diagram",{"name":62},"pg-groups",[10,64,65,66,69,70,73,74,78,79,82],{},"Runtime dependencies live in the main group — ",[14,67,68],{},"[project] dependencies"," in Poetry 2 projects using standard metadata, or ",[14,71,72],{},"[tool.poetry.dependencies]"," in older ones. ",[75,76,77],"strong",{},"Only these reach the wheel",", so only these are installed for users. Everything else goes into named groups by purpose. Grouping by purpose rather than lumping everything into ",[14,80,81],{},"dev"," pays off in CI, where a lint job does not need pytest and a test job does not need the documentation toolchain.",[25,84,86],{"id":85},"the-recipe","The recipe",[88,89,94],"pre",{"className":90,"code":91,"language":92,"meta":93,"style":93},"language-toml shiki shiki-themes github-light github-dark","# pyproject.toml\n[project]\nname = \"mytool\"\nversion = \"1.8.0\"\nrequires-python = \">=3.10\"\ndependencies = [\n  \"typer>=0.12\",\n  \"httpx>=0.27\",\n  \"rich>=13\",\n]\n\n[project.scripts]\nmytool = \"mytool.cli:app\"\n\n[tool.poetry.group.test.dependencies]\npytest = \">=8\"\npytest-cov = \">=5\"\npytest-randomly = \">=3.15\"\n\n[tool.poetry.group.lint.dependencies]\nruff = \">=0.6\"\nmypy = \">=1.10\"\n\n[tool.poetry.group.docs]\noptional = true\n\n[tool.poetry.group.docs.dependencies]\nmkdocs-material = \">=9\"\nmkdocs-click = \">=0.8\"\n\n[tool.poetry.group.release]\noptional = true\n\n[tool.poetry.group.release.dependencies]\ntwine = \">=5\"\n\n[build-system]\nrequires = [\"poetry-core>=2.0\"]\nbuild-backend = \"poetry.core.masonry.api\"\n","toml","",[14,95,96,105,119,129,138,147,153,162,170,178,183,190,204,213,218,248,257,266,275,280,306,315,324,329,351,361,366,391,400,409,414,436,443,448,473,481,486,496,507],{"__ignoreMap":93},[97,98,101],"span",{"class":99,"line":100},"line",1,[97,102,104],{"class":103},"sJ8bj","# pyproject.toml\n",[97,106,108,112,116],{"class":99,"line":107},2,[97,109,111],{"class":110},"sVt8B","[",[97,113,115],{"class":114},"sScJk","project",[97,117,118],{"class":110},"]\n",[97,120,122,125],{"class":99,"line":121},3,[97,123,124],{"class":110},"name = ",[97,126,128],{"class":127},"sZZnC","\"mytool\"\n",[97,130,132,135],{"class":99,"line":131},4,[97,133,134],{"class":110},"version = ",[97,136,137],{"class":127},"\"1.8.0\"\n",[97,139,141,144],{"class":99,"line":140},5,[97,142,143],{"class":110},"requires-python = ",[97,145,146],{"class":127},"\">=3.10\"\n",[97,148,150],{"class":99,"line":149},6,[97,151,152],{"class":110},"dependencies = [\n",[97,154,156,159],{"class":99,"line":155},7,[97,157,158],{"class":127},"  \"typer>=0.12\"",[97,160,161],{"class":110},",\n",[97,163,165,168],{"class":99,"line":164},8,[97,166,167],{"class":127},"  \"httpx>=0.27\"",[97,169,161],{"class":110},[97,171,173,176],{"class":99,"line":172},9,[97,174,175],{"class":127},"  \"rich>=13\"",[97,177,161],{"class":110},[97,179,181],{"class":99,"line":180},10,[97,182,118],{"class":110},[97,184,186],{"class":99,"line":185},11,[97,187,189],{"emptyLinePlaceholder":188},true,"\n",[97,191,193,195,197,199,202],{"class":99,"line":192},12,[97,194,111],{"class":110},[97,196,115],{"class":114},[97,198,23],{"class":110},[97,200,201],{"class":114},"scripts",[97,203,118],{"class":110},[97,205,207,210],{"class":99,"line":206},13,[97,208,209],{"class":110},"mytool = ",[97,211,212],{"class":127},"\"mytool.cli:app\"\n",[97,214,216],{"class":99,"line":215},14,[97,217,189],{"emptyLinePlaceholder":188},[97,219,221,223,226,228,231,233,236,238,241,243,246],{"class":99,"line":220},15,[97,222,111],{"class":110},[97,224,225],{"class":114},"tool",[97,227,23],{"class":110},[97,229,230],{"class":114},"poetry",[97,232,23],{"class":110},[97,234,235],{"class":114},"group",[97,237,23],{"class":110},[97,239,240],{"class":114},"test",[97,242,23],{"class":110},[97,244,245],{"class":114},"dependencies",[97,247,118],{"class":110},[97,249,251,254],{"class":99,"line":250},16,[97,252,253],{"class":110},"pytest = ",[97,255,256],{"class":127},"\">=8\"\n",[97,258,260,263],{"class":99,"line":259},17,[97,261,262],{"class":110},"pytest-cov = ",[97,264,265],{"class":127},"\">=5\"\n",[97,267,269,272],{"class":99,"line":268},18,[97,270,271],{"class":110},"pytest-randomly = ",[97,273,274],{"class":127},"\">=3.15\"\n",[97,276,278],{"class":99,"line":277},19,[97,279,189],{"emptyLinePlaceholder":188},[97,281,283,285,287,289,291,293,295,297,300,302,304],{"class":99,"line":282},20,[97,284,111],{"class":110},[97,286,225],{"class":114},[97,288,23],{"class":110},[97,290,230],{"class":114},[97,292,23],{"class":110},[97,294,235],{"class":114},[97,296,23],{"class":110},[97,298,299],{"class":114},"lint",[97,301,23],{"class":110},[97,303,245],{"class":114},[97,305,118],{"class":110},[97,307,309,312],{"class":99,"line":308},21,[97,310,311],{"class":110},"ruff = ",[97,313,314],{"class":127},"\">=0.6\"\n",[97,316,318,321],{"class":99,"line":317},22,[97,319,320],{"class":110},"mypy = ",[97,322,323],{"class":127},"\">=1.10\"\n",[97,325,327],{"class":99,"line":326},23,[97,328,189],{"emptyLinePlaceholder":188},[97,330,332,334,336,338,340,342,344,346,349],{"class":99,"line":331},24,[97,333,111],{"class":110},[97,335,225],{"class":114},[97,337,23],{"class":110},[97,339,230],{"class":114},[97,341,23],{"class":110},[97,343,235],{"class":114},[97,345,23],{"class":110},[97,347,348],{"class":114},"docs",[97,350,118],{"class":110},[97,352,354,357],{"class":99,"line":353},25,[97,355,356],{"class":110},"optional = ",[97,358,360],{"class":359},"sj4cs","true\n",[97,362,364],{"class":99,"line":363},26,[97,365,189],{"emptyLinePlaceholder":188},[97,367,369,371,373,375,377,379,381,383,385,387,389],{"class":99,"line":368},27,[97,370,111],{"class":110},[97,372,225],{"class":114},[97,374,23],{"class":110},[97,376,230],{"class":114},[97,378,23],{"class":110},[97,380,235],{"class":114},[97,382,23],{"class":110},[97,384,348],{"class":114},[97,386,23],{"class":110},[97,388,245],{"class":114},[97,390,118],{"class":110},[97,392,394,397],{"class":99,"line":393},28,[97,395,396],{"class":110},"mkdocs-material = ",[97,398,399],{"class":127},"\">=9\"\n",[97,401,403,406],{"class":99,"line":402},29,[97,404,405],{"class":110},"mkdocs-click = ",[97,407,408],{"class":127},"\">=0.8\"\n",[97,410,412],{"class":99,"line":411},30,[97,413,189],{"emptyLinePlaceholder":188},[97,415,417,419,421,423,425,427,429,431,434],{"class":99,"line":416},31,[97,418,111],{"class":110},[97,420,225],{"class":114},[97,422,23],{"class":110},[97,424,230],{"class":114},[97,426,23],{"class":110},[97,428,235],{"class":114},[97,430,23],{"class":110},[97,432,433],{"class":114},"release",[97,435,118],{"class":110},[97,437,439,441],{"class":99,"line":438},32,[97,440,356],{"class":110},[97,442,360],{"class":359},[97,444,446],{"class":99,"line":445},33,[97,447,189],{"emptyLinePlaceholder":188},[97,449,451,453,455,457,459,461,463,465,467,469,471],{"class":99,"line":450},34,[97,452,111],{"class":110},[97,454,225],{"class":114},[97,456,23],{"class":110},[97,458,230],{"class":114},[97,460,23],{"class":110},[97,462,235],{"class":114},[97,464,23],{"class":110},[97,466,433],{"class":114},[97,468,23],{"class":110},[97,470,245],{"class":114},[97,472,118],{"class":110},[97,474,476,479],{"class":99,"line":475},35,[97,477,478],{"class":110},"twine = ",[97,480,265],{"class":127},[97,482,484],{"class":99,"line":483},36,[97,485,189],{"emptyLinePlaceholder":188},[97,487,489,491,494],{"class":99,"line":488},37,[97,490,111],{"class":110},[97,492,493],{"class":114},"build-system",[97,495,118],{"class":110},[97,497,499,502,505],{"class":99,"line":498},38,[97,500,501],{"class":110},"requires = [",[97,503,504],{"class":127},"\"poetry-core>=2.0\"",[97,506,118],{"class":110},[97,508,510,513],{"class":99,"line":509},39,[97,511,512],{"class":110},"build-backend = ",[97,514,515],{"class":127},"\"poetry.core.masonry.api\"\n",[10,517,518],{},"Two details matter here:",[10,520,521,526,527,530,531,23],{},[75,522,523],{},[14,524,525],{},"optional = true"," means a plain ",[14,528,529],{},"poetry install"," skips the group. Documentation tooling is heavy and most contributors never build the docs, so making it optional keeps everyday setup fast. Contributors who need it add ",[14,532,533],{},"--with docs",[10,535,536,539,540,542,543,546],{},[75,537,538],{},"Lower bounds, not pins, in groups too."," The lockfile pins exact versions for reproducibility; the constraints in ",[14,541,41],{}," should say what works. That keeps ",[14,544,545],{},"poetry update"," meaningful and avoids lock conflicts between groups.",[10,548,549],{},"Adding tools to the right group is one command each:",[88,551,555],{"className":552,"code":553,"language":554,"meta":93,"style":93},"language-bash shiki shiki-themes github-light github-dark","poetry add --group test pytest-xdist\npoetry add --group lint \"ruff>=0.6\"\npoetry add --group docs mkdocs-click\npoetry remove --group lint black          # ruff format replaced it\n","bash",[14,556,557,573,587,601],{"__ignoreMap":93},[97,558,559,561,564,567,570],{"class":99,"line":100},[97,560,230],{"class":114},[97,562,563],{"class":127}," add",[97,565,566],{"class":359}," --group",[97,568,569],{"class":127}," test",[97,571,572],{"class":127}," pytest-xdist\n",[97,574,575,577,579,581,584],{"class":99,"line":107},[97,576,230],{"class":114},[97,578,563],{"class":127},[97,580,566],{"class":359},[97,582,583],{"class":127}," lint",[97,585,586],{"class":127}," \"ruff>=0.6\"\n",[97,588,589,591,593,595,598],{"class":99,"line":121},[97,590,230],{"class":114},[97,592,563],{"class":127},[97,594,566],{"class":359},[97,596,597],{"class":127}," docs",[97,599,600],{"class":127}," mkdocs-click\n",[97,602,603,605,608,610,612,615],{"class":99,"line":131},[97,604,230],{"class":114},[97,606,607],{"class":127}," remove",[97,609,566],{"class":359},[97,611,583],{"class":127},[97,613,614],{"class":127}," black",[97,616,617],{"class":103},"          # ruff format replaced it\n",[25,619,621],{"id":620},"installing-exactly-what-each-job-needs","Installing exactly what each job needs",[10,623,624],{},"Each place that installs the project should ask for exactly the groups it uses:",[60,626],{"name":627},"pg-install-matrix",[88,629,633],{"className":630,"code":631,"language":632,"meta":93,"style":93},"language-yaml shiki shiki-themes github-light github-dark","# .github\u002Fworkflows\u002Fci.yml (excerpt)\n  lint:\n    steps:\n      - run: pipx install poetry\n      - run: poetry install --only main,lint\n      - run: poetry run ruff check . && poetry run mypy src\n\n  test:\n    steps:\n      - run: pipx install poetry\n      - run: poetry install --only main,test\n      - run: poetry run pytest -q\n","yaml",[14,634,635,640,649,656,670,681,692,696,703,709,719,730],{"__ignoreMap":93},[97,636,637],{"class":99,"line":100},[97,638,639],{"class":103},"# .github\u002Fworkflows\u002Fci.yml (excerpt)\n",[97,641,642,646],{"class":99,"line":107},[97,643,645],{"class":644},"s9eBZ","  lint",[97,647,648],{"class":110},":\n",[97,650,651,654],{"class":99,"line":121},[97,652,653],{"class":644},"    steps",[97,655,648],{"class":110},[97,657,658,661,664,667],{"class":99,"line":131},[97,659,660],{"class":110},"      - ",[97,662,663],{"class":644},"run",[97,665,666],{"class":110},": ",[97,668,669],{"class":127},"pipx install poetry\n",[97,671,672,674,676,678],{"class":99,"line":140},[97,673,660],{"class":110},[97,675,663],{"class":644},[97,677,666],{"class":110},[97,679,680],{"class":127},"poetry install --only main,lint\n",[97,682,683,685,687,689],{"class":99,"line":149},[97,684,660],{"class":110},[97,686,663],{"class":644},[97,688,666],{"class":110},[97,690,691],{"class":127},"poetry run ruff check . && poetry run mypy src\n",[97,693,694],{"class":99,"line":155},[97,695,189],{"emptyLinePlaceholder":188},[97,697,698,701],{"class":99,"line":164},[97,699,700],{"class":644},"  test",[97,702,648],{"class":110},[97,704,705,707],{"class":99,"line":172},[97,706,653],{"class":644},[97,708,648],{"class":110},[97,710,711,713,715,717],{"class":99,"line":180},[97,712,660],{"class":110},[97,714,663],{"class":644},[97,716,666],{"class":110},[97,718,669],{"class":127},[97,720,721,723,725,727],{"class":99,"line":185},[97,722,660],{"class":110},[97,724,663],{"class":644},[97,726,666],{"class":110},[97,728,729],{"class":127},"poetry install --only main,test\n",[97,731,732,734,736,738],{"class":99,"line":192},[97,733,660],{"class":110},[97,735,663],{"class":644},[97,737,666],{"class":110},[97,739,740],{"class":127},"poetry run pytest -q\n",[10,742,743,746,747,750,751,754,755,758],{},[14,744,745],{},"--only"," installs the listed groups and nothing else, which has a useful side effect beyond speed: if the test suite accidentally depends on something from the lint group, the test job fails and tells you. ",[14,748,749],{},"--with"," adds optional groups to the default set; ",[14,752,753],{},"--without"," removes groups from it. For a production container, ",[14,756,757],{},"poetry install --only main --no-root"," followed by installing the built wheel gives an environment with no development tooling at all.",[25,760,762],{"id":761},"groups-versus-extras","Groups versus extras",[10,764,765],{},"Groups and extras solve different problems, and confusing them leads to packaging bugs.",[30,767,768,778],{},[33,769,770,773,774,777],{},[75,771,772],{},"Dependency groups"," are for ",[75,775,776],{},"developers",". They are never part of the published package's metadata; users cannot request them.",[33,779,780,783,784,787,788,791,792,795],{},[75,781,782],{},"Extras"," (",[14,785,786],{},"[project.optional-dependencies]",") are for ",[75,789,790],{},"users",". They are published in the wheel's metadata and requested at install time: ",[14,793,794],{},"pipx install \"mytool[s3]\""," adds the S3 backend's dependencies.",[10,797,798,799,802,803,806],{},"If a feature of your CLI needs ",[14,800,801],{},"boto3"," and you want users to opt into it, that is an extra. If you need ",[14,804,805],{},"moto"," to test that feature, that is a test-group dependency. The runtime code should import the optional dependency lazily and give a helpful message when it is missing:",[88,808,812],{"className":809,"code":810,"language":811,"meta":93,"style":93},"language-python shiki shiki-themes github-light github-dark","def s3_client():\n    try:\n        import boto3\n    except ImportError:\n        raise SystemExit(\"S3 support needs an extra: pipx install 'mytool[s3]'\") from None\n    return boto3.client(\"s3\")\n","python",[14,813,814,826,833,841,851,874],{"__ignoreMap":93},[97,815,816,820,823],{"class":99,"line":100},[97,817,819],{"class":818},"szBVR","def",[97,821,822],{"class":114}," s3_client",[97,824,825],{"class":110},"():\n",[97,827,828,831],{"class":99,"line":107},[97,829,830],{"class":818},"    try",[97,832,648],{"class":110},[97,834,835,838],{"class":99,"line":121},[97,836,837],{"class":818},"        import",[97,839,840],{"class":110}," boto3\n",[97,842,843,846,849],{"class":99,"line":131},[97,844,845],{"class":818},"    except",[97,847,848],{"class":359}," ImportError",[97,850,648],{"class":110},[97,852,853,856,859,862,865,868,871],{"class":99,"line":140},[97,854,855],{"class":818},"        raise",[97,857,858],{"class":359}," SystemExit",[97,860,861],{"class":110},"(",[97,863,864],{"class":127},"\"S3 support needs an extra: pipx install 'mytool[s3]'\"",[97,866,867],{"class":110},") ",[97,869,870],{"class":818},"from",[97,872,873],{"class":359}," None\n",[97,875,876,879,882,885],{"class":99,"line":149},[97,877,878],{"class":818},"    return",[97,880,881],{"class":110}," boto3.client(",[97,883,884],{"class":127},"\"s3\"",[97,886,887],{"class":110},")\n",[10,889,890,891,23],{},"That pattern also keeps startup fast for users who never touch S3, as described in ",[19,892,894],{"href":893},"\u002Fmodern-python-cli-frameworks-architecture\u002Fcli-startup-performance-and-lazy-loading\u002Freducing-cli-dependency-weight\u002F","reducing CLI dependency weight",[25,896,898],{"id":897},"keeping-tool-groups-current","Keeping tool groups current",[10,900,901,902,904],{},"Development tools change faster than runtime dependencies, and they change in ways that affect every contributor at once: a new Ruff release adds rules, a new mypy release finds errors it previously missed, a pytest plugin drops support for an old Python. Because the lockfile pins every group, those changes arrive only when you run ",[14,903,545],{}," — which is exactly what you want, as long as someone actually runs it.",[10,906,907],{},"A few practices keep the groups healthy without surprises:",[30,909,910,920,926,940],{},[33,911,912,915,916,919],{},[75,913,914],{},"Update groups separately from runtime dependencies."," ",[14,917,918],{},"poetry update --only lint"," bumps the linters without touching what users install, so a linter upgrade never rides along with a behaviour change in the tool.",[33,921,922,925],{},[75,923,924],{},"Let automation open the pull requests."," Dependabot and Renovate both understand Poetry lockfiles and can group development-tool updates into one weekly pull request, where CI shows exactly which new findings appear.",[33,927,928,931,932,935,936,23],{},[75,929,930],{},"Match tool versions in pre-commit."," If ",[14,933,934],{},".pre-commit-config.yaml"," pins Ruff separately, keep it in step with the lint group, or developers see different results on commit and in CI. Running Ruff through a local hook that uses the project environment avoids the duplication; see ",[19,937,939],{"href":938},"\u002Fproject-setup-dependency-management\u002Fpre-commit-hooks-for-cli-projects\u002Fwriting-local-pre-commit-hooks-in-python\u002F","writing local pre-commit hooks in Python",[33,941,942,945,946,949],{},[75,943,944],{},"Remove what nobody uses."," Groups accumulate abandoned tools. ",[14,947,948],{},"poetry show --only lint --top-level"," once a quarter is enough to notice them.",[25,951,953],{"id":952},"ux-considerations","UX considerations",[30,955,956,964,976],{},[33,957,958,915,961,963],{},[75,959,960],{},"Fast default setup.",[14,962,529],{}," with no flags should give a contributor everything needed for the usual loop — runtime, test and lint — and nothing heavier. Make slow groups optional.",[33,965,966,969,970,973,974,23],{},[75,967,968],{},"Document the groups."," A short table in ",[14,971,972],{},"CONTRIBUTING.md"," listing each group and when to install it saves every new contributor from reading ",[14,975,41],{},[33,977,978,915,981,984],{},[75,979,980],{},"Audit what users get.",[14,982,983],{},"poetry show --only main --tree"," shows exactly the dependency tree that ships to users. Review it before each release; it is the only part of the lockfile users experience.",[60,986],{"name":987},"pg-terminal",[25,989,991],{"id":990},"testing-the-behaviour","Testing the behaviour",[10,993,994,995,998],{},"Two checks confirm the groups are right. First, the test suite must pass with only the main and test groups installed — CI's ",[14,996,997],{},"--only main,test"," already enforces this. Second, the built package must declare exactly the runtime dependencies and no tooling:",[88,1000,1002],{"className":809,"code":1001,"language":811,"meta":93,"style":93},"# tests\u002Ftest_packaging.py\nimport subprocess\nimport sys\nimport zipfile\nfrom pathlib import Path\n\nimport pytest\n\nDEV_ONLY = {\"pytest\", \"ruff\", \"mypy\", \"mkdocs-material\", \"twine\"}\n\n\n@pytest.mark.slow\ndef test_wheel_does_not_depend_on_dev_tools(tmp_path: Path) -> None:\n    subprocess.run([sys.executable, \"-m\", \"build\", \"--wheel\", \"--outdir\", str(tmp_path)],\n                   check=True, capture_output=True)\n    wheel = next(tmp_path.glob(\"*.whl\"))\n    with zipfile.ZipFile(wheel) as zf:\n        meta = next(n for n in zf.namelist() if n.endswith(\"METADATA\"))\n        requires = [l.split(\":\", 1)[1].strip() for l in zf.read(meta).decode().splitlines()\n                    if l.startswith(\"Requires-Dist:\")]\n    names = {r.split()[0].split(\";\")[0].split(\">\")[0].split(\"=\")[0].split(\"[\")[0].lower()\n             for r in requires}\n    assert not names & DEV_ONLY, f\"dev tools leaked into runtime deps: {names & DEV_ONLY}\"\n    assert {\"typer\", \"httpx\", \"rich\"} \u003C= names\n",[14,1003,1004,1009,1017,1024,1031,1043,1047,1054,1058,1096,1100,1104,1109,1124,1155,1178,1197,1211,1246,1282,1296,1349,1362,1401],{"__ignoreMap":93},[97,1005,1006],{"class":99,"line":100},[97,1007,1008],{"class":103},"# tests\u002Ftest_packaging.py\n",[97,1010,1011,1014],{"class":99,"line":107},[97,1012,1013],{"class":818},"import",[97,1015,1016],{"class":110}," subprocess\n",[97,1018,1019,1021],{"class":99,"line":121},[97,1020,1013],{"class":818},[97,1022,1023],{"class":110}," sys\n",[97,1025,1026,1028],{"class":99,"line":131},[97,1027,1013],{"class":818},[97,1029,1030],{"class":110}," zipfile\n",[97,1032,1033,1035,1038,1040],{"class":99,"line":140},[97,1034,870],{"class":818},[97,1036,1037],{"class":110}," pathlib ",[97,1039,1013],{"class":818},[97,1041,1042],{"class":110}," Path\n",[97,1044,1045],{"class":99,"line":149},[97,1046,189],{"emptyLinePlaceholder":188},[97,1048,1049,1051],{"class":99,"line":155},[97,1050,1013],{"class":818},[97,1052,1053],{"class":110}," pytest\n",[97,1055,1056],{"class":99,"line":164},[97,1057,189],{"emptyLinePlaceholder":188},[97,1059,1060,1063,1066,1069,1072,1075,1078,1080,1083,1085,1088,1090,1093],{"class":99,"line":172},[97,1061,1062],{"class":359},"DEV_ONLY",[97,1064,1065],{"class":818}," =",[97,1067,1068],{"class":110}," {",[97,1070,1071],{"class":127},"\"pytest\"",[97,1073,1074],{"class":110},", ",[97,1076,1077],{"class":127},"\"ruff\"",[97,1079,1074],{"class":110},[97,1081,1082],{"class":127},"\"mypy\"",[97,1084,1074],{"class":110},[97,1086,1087],{"class":127},"\"mkdocs-material\"",[97,1089,1074],{"class":110},[97,1091,1092],{"class":127},"\"twine\"",[97,1094,1095],{"class":110},"}\n",[97,1097,1098],{"class":99,"line":180},[97,1099,189],{"emptyLinePlaceholder":188},[97,1101,1102],{"class":99,"line":185},[97,1103,189],{"emptyLinePlaceholder":188},[97,1105,1106],{"class":99,"line":192},[97,1107,1108],{"class":114},"@pytest.mark.slow\n",[97,1110,1111,1113,1116,1119,1122],{"class":99,"line":206},[97,1112,819],{"class":818},[97,1114,1115],{"class":114}," test_wheel_does_not_depend_on_dev_tools",[97,1117,1118],{"class":110},"(tmp_path: Path) -> ",[97,1120,1121],{"class":359},"None",[97,1123,648],{"class":110},[97,1125,1126,1129,1132,1134,1137,1139,1142,1144,1147,1149,1152],{"class":99,"line":215},[97,1127,1128],{"class":110},"    subprocess.run([sys.executable, ",[97,1130,1131],{"class":127},"\"-m\"",[97,1133,1074],{"class":110},[97,1135,1136],{"class":127},"\"build\"",[97,1138,1074],{"class":110},[97,1140,1141],{"class":127},"\"--wheel\"",[97,1143,1074],{"class":110},[97,1145,1146],{"class":127},"\"--outdir\"",[97,1148,1074],{"class":110},[97,1150,1151],{"class":359},"str",[97,1153,1154],{"class":110},"(tmp_path)],\n",[97,1156,1157,1161,1164,1167,1169,1172,1174,1176],{"class":99,"line":220},[97,1158,1160],{"class":1159},"s4XuR","                   check",[97,1162,1163],{"class":818},"=",[97,1165,1166],{"class":359},"True",[97,1168,1074],{"class":110},[97,1170,1171],{"class":1159},"capture_output",[97,1173,1163],{"class":818},[97,1175,1166],{"class":359},[97,1177,887],{"class":110},[97,1179,1180,1183,1185,1188,1191,1194],{"class":99,"line":250},[97,1181,1182],{"class":110},"    wheel ",[97,1184,1163],{"class":818},[97,1186,1187],{"class":359}," next",[97,1189,1190],{"class":110},"(tmp_path.glob(",[97,1192,1193],{"class":127},"\"*.whl\"",[97,1195,1196],{"class":110},"))\n",[97,1198,1199,1202,1205,1208],{"class":99,"line":259},[97,1200,1201],{"class":818},"    with",[97,1203,1204],{"class":110}," zipfile.ZipFile(wheel) ",[97,1206,1207],{"class":818},"as",[97,1209,1210],{"class":110}," zf:\n",[97,1212,1213,1216,1218,1220,1223,1226,1229,1232,1235,1238,1241,1244],{"class":99,"line":268},[97,1214,1215],{"class":110},"        meta ",[97,1217,1163],{"class":818},[97,1219,1187],{"class":359},[97,1221,1222],{"class":110},"(n ",[97,1224,1225],{"class":818},"for",[97,1227,1228],{"class":110}," n ",[97,1230,1231],{"class":818},"in",[97,1233,1234],{"class":110}," zf.namelist() ",[97,1236,1237],{"class":818},"if",[97,1239,1240],{"class":110}," n.endswith(",[97,1242,1243],{"class":127},"\"METADATA\"",[97,1245,1196],{"class":110},[97,1247,1248,1251,1253,1256,1259,1261,1264,1267,1269,1272,1274,1277,1279],{"class":99,"line":277},[97,1249,1250],{"class":110},"        requires ",[97,1252,1163],{"class":818},[97,1254,1255],{"class":110}," [l.split(",[97,1257,1258],{"class":127},"\":\"",[97,1260,1074],{"class":110},[97,1262,1263],{"class":359},"1",[97,1265,1266],{"class":110},")[",[97,1268,1263],{"class":359},[97,1270,1271],{"class":110},"].strip() ",[97,1273,1225],{"class":818},[97,1275,1276],{"class":110}," l ",[97,1278,1231],{"class":818},[97,1280,1281],{"class":110}," zf.read(meta).decode().splitlines()\n",[97,1283,1284,1287,1290,1293],{"class":99,"line":282},[97,1285,1286],{"class":818},"                    if",[97,1288,1289],{"class":110}," l.startswith(",[97,1291,1292],{"class":127},"\"Requires-Dist:\"",[97,1294,1295],{"class":110},")]\n",[97,1297,1298,1301,1303,1306,1309,1312,1315,1317,1319,1321,1324,1326,1328,1330,1333,1335,1337,1339,1342,1344,1346],{"class":99,"line":308},[97,1299,1300],{"class":110},"    names ",[97,1302,1163],{"class":818},[97,1304,1305],{"class":110}," {r.split()[",[97,1307,1308],{"class":359},"0",[97,1310,1311],{"class":110},"].split(",[97,1313,1314],{"class":127},"\";\"",[97,1316,1266],{"class":110},[97,1318,1308],{"class":359},[97,1320,1311],{"class":110},[97,1322,1323],{"class":127},"\">\"",[97,1325,1266],{"class":110},[97,1327,1308],{"class":359},[97,1329,1311],{"class":110},[97,1331,1332],{"class":127},"\"=\"",[97,1334,1266],{"class":110},[97,1336,1308],{"class":359},[97,1338,1311],{"class":110},[97,1340,1341],{"class":127},"\"[\"",[97,1343,1266],{"class":110},[97,1345,1308],{"class":359},[97,1347,1348],{"class":110},"].lower()\n",[97,1350,1351,1354,1357,1359],{"class":99,"line":317},[97,1352,1353],{"class":818},"             for",[97,1355,1356],{"class":110}," r ",[97,1358,1231],{"class":818},[97,1360,1361],{"class":110}," requires}\n",[97,1363,1364,1367,1370,1373,1376,1379,1381,1384,1387,1390,1393,1395,1398],{"class":99,"line":326},[97,1365,1366],{"class":818},"    assert",[97,1368,1369],{"class":818}," not",[97,1371,1372],{"class":110}," names ",[97,1374,1375],{"class":818},"&",[97,1377,1378],{"class":359}," DEV_ONLY",[97,1380,1074],{"class":110},[97,1382,1383],{"class":818},"f",[97,1385,1386],{"class":127},"\"dev tools leaked into runtime deps: ",[97,1388,1389],{"class":359},"{",[97,1391,1392],{"class":110},"names ",[97,1394,1375],{"class":818},[97,1396,1397],{"class":359}," DEV_ONLY}",[97,1399,1400],{"class":127},"\"\n",[97,1402,1403,1405,1407,1410,1412,1415,1417,1420,1423,1426],{"class":99,"line":331},[97,1404,1366],{"class":818},[97,1406,1068],{"class":110},[97,1408,1409],{"class":127},"\"typer\"",[97,1411,1074],{"class":110},[97,1413,1414],{"class":127},"\"httpx\"",[97,1416,1074],{"class":110},[97,1418,1419],{"class":127},"\"rich\"",[97,1421,1422],{"class":110},"} ",[97,1424,1425],{"class":818},"\u003C=",[97,1427,1428],{"class":110}," names\n",[10,1430,1431,1432,1435,1436,1439,1440,1443],{},"The test builds the wheel with ",[14,1433,1434],{},"python -m build"," (add ",[14,1437,1438],{},"build"," to the test group) and reads ",[14,1441,1442],{},"Requires-Dist"," from its metadata — the exact list pip or uv will install for users. It is slow compared with unit tests, so mark it and run it in the packaging job rather than on every save.",[25,1445,1447],{"id":1446},"conclusion","Conclusion",[10,1449,1450,1451,1453],{},"Dependency groups draw the line between what your CLI needs to run and what you need to build it. Keep runtime dependencies in the main group, split tooling into test, lint and optional docs or release groups, install exactly the groups each CI job needs with ",[14,1452,745],{},", and use extras — not groups — for optional features users choose. The result is faster CI, lighter installs for users, and packaging mistakes caught by the pipeline rather than by the first person to run the release.",[25,1455,1457],{"id":1456},"frequently-asked-questions","Frequently asked questions",[1459,1460,1462,1463,1466],"h3",{"id":1461},"what-happened-to-dev-dependencies","What happened to ",[14,1464,1465],{},"dev-dependencies","?",[10,1468,1469,1472,1473,1475,1476,1479],{},[14,1470,1471],{},"[tool.poetry.dev-dependencies]"," is the pre-1.2 syntax. Poetry still reads it as a group named ",[14,1474,81],{},", but new projects should use ",[14,1477,1478],{},"[tool.poetry.group.dev.dependencies]"," or more specific groups.",[1459,1481,1483,1484,1487],{"id":1482},"does-poetry-support-standard-dependency-groups-pep-735","Does Poetry support standard ",[14,1485,1486],{},"[dependency-groups]"," (PEP 735)?",[10,1489,1490,1491,23],{},"Recent Poetry 2.x releases read PEP 735 dependency groups as well as their own format. Using the standard table makes the project readable by uv and other tools too, which is useful if you are considering ",[19,1492,1494],{"href":1493},"\u002Fproject-setup-dependency-management\u002Fpoetry-workflows-for-cli-development\u002Fmigrating-a-cli-from-poetry-to-uv\u002F","migrating a CLI from Poetry to uv",[1459,1496,1498],{"id":1497},"can-one-group-include-another","Can one group include another?",[10,1500,1501,1502,1505],{},"Poetry groups cannot include each other, but PEP 735 groups can, with ",[14,1503,1504],{},"{include-group = \"test\"}"," entries. If you need composition, the standard format is the one to use.",[1459,1507,1509],{"id":1508},"should-the-test-group-include-the-packages-optional-extras","Should the test group include the package's optional extras?",[10,1511,1512,1513,1516,1517,1520],{},"Yes, if you test the optional features. Install them in the test job with ",[14,1514,1515],{},"poetry install --only main,test --extras s3"," (or ",[14,1518,1519],{},"--all-extras",") so extra-dependent code paths are exercised.",[25,1522,1524],{"id":1523},"related","Related",[30,1526,1527,1533,1537,1542,1547],{},[33,1528,1529,1530],{},"Up: ",[19,1531,1532],{"href":21},"Poetry workflows for CLI development",[33,1534,1535],{},[19,1536,54],{"href":53},[33,1538,1539],{},[19,1540,1541],{"href":1493},"Migrating a CLI from Poetry to uv",[33,1543,1544],{},[19,1545,1546],{"href":893},"Reducing CLI dependency weight",[33,1548,1549],{},[19,1550,1552],{"href":1551},"\u002Fproject-setup-dependency-management\u002Fci-cd-pipelines-for-python-clis\u002Ftesting-a-cli-across-python-versions-with-github-actions\u002F","Testing a CLI across Python versions with GitHub Actions",[1554,1555,1556],"style",{},"html pre.shiki code .sJ8bj, html code.shiki .sJ8bj{--shiki-default:#6A737D;--shiki-dark:#6A737D}html pre.shiki code .sVt8B, html code.shiki .sVt8B{--shiki-default:#24292E;--shiki-dark:#E1E4E8}html pre.shiki code .sScJk, html code.shiki .sScJk{--shiki-default:#6F42C1;--shiki-dark:#B392F0}html pre.shiki code .sZZnC, html code.shiki .sZZnC{--shiki-default:#032F62;--shiki-dark:#9ECBFF}html pre.shiki code .sj4cs, html code.shiki .sj4cs{--shiki-default:#005CC5;--shiki-dark:#79B8FF}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s9eBZ, html code.shiki .s9eBZ{--shiki-default:#22863A;--shiki-dark:#85E89D}html pre.shiki code .szBVR, html code.shiki .szBVR{--shiki-default:#D73A49;--shiki-dark:#F97583}html pre.shiki code .s4XuR, html code.shiki .s4XuR{--shiki-default:#E36209;--shiki-dark:#FFAB70}",{"title":93,"searchDepth":107,"depth":107,"links":1558},[1559,1560,1561,1562,1563,1564,1565,1566,1567,1568,1576],{"id":27,"depth":107,"text":28},{"id":57,"depth":107,"text":58},{"id":85,"depth":107,"text":86},{"id":620,"depth":107,"text":621},{"id":761,"depth":107,"text":762},{"id":897,"depth":107,"text":898},{"id":952,"depth":107,"text":953},{"id":990,"depth":107,"text":991},{"id":1446,"depth":107,"text":1447},{"id":1456,"depth":107,"text":1457,"children":1569},[1570,1572,1574,1575],{"id":1461,"depth":121,"text":1571},"What happened to dev-dependencies?",{"id":1482,"depth":121,"text":1573},"Does Poetry support standard [dependency-groups] (PEP 735)?",{"id":1497,"depth":121,"text":1498},{"id":1508,"depth":121,"text":1509},{"id":1523,"depth":107,"text":1524},"2026-09-18","Organise a Poetry CLI project’s development tools into dependency groups: test, lint, docs and optional groups, per-job installs in CI, and groups versus 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Python CLI Toolcraft",{"path":1595,"title":1596},"\u002Fadvanced-input-parsing-user-experience\u002Fadvanced-argument-validation-strategies","Advanced Argument Validation Strategies",{"path":1598,"title":1599},"\u002Fadvanced-input-parsing-user-experience\u002Fadvanced-argument-validation-strategies\u002Fparsing-nested-json-arguments-in-python-clis","Parsing Nested JSON Args in Python CLIs",{"path":1601,"title":1602},"\u002Fadvanced-input-parsing-user-experience\u002Fadvanced-argument-validation-strategies\u002Fvalidating-dates-and-durations-in-cli-arguments","Validating Dates and Durations in Python CLI Arguments",{"path":1604,"title":1605},"\u002Fadvanced-input-parsing-user-experience\u002Fadvanced-argument-validation-strategies\u002Fvalidating-dependent-and-conflicting-options","Validating Dependent and Conflicting CLI 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