Analysis of all pyproject.toml's on PyPI

[henryiii]

I've been analyzing all pyproject.toml's, and thought I'd look at tool.ruff. I can answer various questions, but I thought I'd look at histograms of a few interesting things. A few quick stats:

• Of the 127,368 top level pyproject.tomls (latest versions, one per project, as of a couple of weeks ago), Ruff is the 8th most popular tool section with 8,585 instances.
• I haven't checked file info, but I do have all the metadata for every file, so I could check the numbers of ruff.toml's/.ruff.toml's (though anyone could, the only slow/hard part is downloading file contents).
• Edit: there are 35 .ruff.toml's and 84 ruff.tomls, selecting on distinct projects. A project might not include these files in an SDist, though, while pyproject.toml should always be present (same thing when checking .pre-commit-config.yaml, which had 7,724 instances).
• Code is at https://gist.github.com/henryiii/432868baf4a69432b6d1c0220592af3d, I could share the downloaded files if someone really wants them (~30 MB .parquet file for the pyproject's)

tool.ruff contents:

tool.ruff.*:
line-length: 5944
select: 5809
ignore: 5252
target-version: 4236
per-file-ignores: 3354
isort: 2255
exclude: 2214
unfixable: 1414
pydocstyle: 1222
mccabe: 1134
src: 1032
fix: 814
lint: 732
fixable: 696
flake8-tidy-imports: 675
dummy-variable-rgx: 614
extend-select: 583
format: 505
flake8-quotes: 490
extend-exclude: 486
extend-ignore: 460
ignore-init-module-imports: 358
show-fixes: 239
flake8-pytest-style: 222
pylint: 193
indent-width: 158
flake8-annotations: 156
pycodestyle: 146
pep8-naming: 137
show-source: 134
flake8-import-conventions: 124
extend-per-file-ignores: 109
pyupgrade: 104
include: 98
output-format: 92
cache-dir: 89
flake8-bugbear: 87
flake8-unused-arguments: 81
extend-include: 79
force-exclude: 78
preview: 77
flake8-type-checking: 70
typing-modules: 64
respect-gitignore: 61
builtins: 48
task-tags: 45
flake8-builtins: 37
unsafe-fixes: 32
flake8-comprehensions: 31
extend: 28
namespace-packages: 28
allowed-confusables: 25
external: 22
required-version: 15
flake8-implicit-str-concat: 11
flake8-self: 10
flake8-copyright: 9
flake8-errmsg: 8
update-check: 8
flake8-bandit: 8
extend-safe-fixes: 6
extended-select: 5
target: 5
tab-size: 4
explicit-preview-rules: 4
max-line-length: 4
logger-objects: 3
pyflakes: 2
max-length: 1
extend-fixable: 1
profile: 1
max_length_line: 1
usort: 1
selected: 1

tool.ruff.lint contents:

tool.ruff.lint.*:
ignore: 351
select: 329
isort: 220
per-file-ignores: 166
pydocstyle: 137
unfixable: 134
extend-select: 130
fixable: 108
dummy-variable-rgx: 62
mccabe: 30
extend-ignore: 27
flake8-tidy-imports: 23
flake8-pytest-style: 22
flake8-annotations: 20
flake8-quotes: 19
pylint: 19
flake8-type-checking: 19
extend-per-file-ignores: 18
preview: 18
exclude: 16
pycodestyle: 15
pyupgrade: 8
typing-modules: 6
flake8-unused-arguments: 6
flake8-bugbear: 5
pep8-naming: 5
ignore-init-module-imports: 4
extend-safe-fixes: 3
explicit-preview-rules: 2
flake8-errmsg: 2
flake8-import-conventions: 2
flake8-self: 2
flake8-copyright: 2
target-version: 1
line-length: 1
src: 1
external: 1
allowed-confusables: 1
flake8-comprehensions: 1
pyflakes: 1

A few projects set tool.ruff.format directly to a string, which breaks my analysis of it's contents at the moment.

I can run queries if anyone is curious about anything. Or the dataset (pyproject.toml's), which is about 30MB as a .parquet file.

[henryiii]

tool.ruff.select contents:

tool.ruff.select contents:
'F': 5065
'E': 5010
'W': 3618
'I': 3554
'B': 3005
'UP': 2587
'RUF': 1945
'N': 1646
'C4': 1615
'Q': 1522
'A': 1503
'S': 1423
'YTT': 1398
'SIM': 1384
'ISC': 1351
'C': 1301
'D': 1225
'TID': 1137
'ARG': 1080
'ICN': 1046
'PIE': 982
'PLE': 971
'DTZ': 909
'PLW': 883
'RET': 862
'PT': 845
'PLC': 831
'EM': 807
'PLR': 768
'FBT': 738
'T20': 718
'PL': 715
'PTH': 693
'PGH': 689
'ALL': 638
'C90': 633
'T': 609
'BLE': 580
'T10': 572
'G': 571
'RSE': 558
'TRY': 536
'TCH': 510
'ERA': 475
'PYI': 451
'COM': 442
'ANN': 430
'EXE': 377
'INP': 375
'NPY': 336
'PD': 297
'SLF': 297
'I001': 293
'PERF': 258
'FLY': 208
'INT': 192
'FA': 183
'ASYNC': 180
'DJ': 136
'SLOT': 120
'RUF100': 116
'TD': 105
'FIX': 75
'FURB': 65
'PGH004': 65
'C9': 57
'A001': 54
'T201': 52
'PLC0414': 49
'B9': 47
'B014': 47
'SIM300': 47
'B007': 46
'COM818': 46
'SIM401': 45
'SIM118': 44
'TID251': 44
'ICN001': 43
'SIM201': 43
'TRY004': 41
'LOG': 40
'U': 40
'SIM105': 39
'RUF006': 38
'B904': 38
'T203': 37
'SIM117': 36
'SIM212': 36
'T100': 35
'B002': 34
'B023': 33
'B026': 33
'SIM208': 33
'N815': 31
'TRY200': 31
'S102': 30
'N805': 29
'N804': 27
'Q000': 27
'AIR': 26
'PGH001': 26
'RET501': 25
'RET502': 25
'ISC001': 25
'C40': 25
'CPY': 24
'RET503': 24
'S103': 24
'S307': 24
'S602': 24
'TRY302': 24
'F401': 24
'S108': 23
'S306': 23
'S601': 23
'S604': 23
'S609': 23
'E9': 23
'D1': 23
'S313': 22
'S314': 22
'S315': 22
'S316': 22
'S317': 22
'S318': 22
'S319': 22
'S320': 22
'S608': 22
'DTZ003': 21
'DTZ004': 21
'D417': 21
'D202': 20
'D213': 20
'B0': 20
'D209': 19
'A002': 19
'D201': 18
'D3': 18
'E722': 18
'E7': 17
'D4': 17
'TID252': 17
'RET504': 17
'D200': 16
'COM819': 16
'FBT003': 16
'D2': 16
'C901': 16
'E4': 15
'B009': 12
'B013': 12
'PERF101': 12
'RUF010': 12
'RUF200': 12
'SIM101': 12
'ANN001': 12
'NPY001': 12
'PD002': 12
'PLR0402': 12
'B905': 11
'B018': 10
'RUF001': 10
'PGH003': 10
'M': 10
'D207': 9
'D208': 9
'B003': 9
'B005': 9
'B012': 9
'RUF013': 9
'G010': 9
'I002': 9
'B015': 8
'B020': 8
'B021': 8
'PLW0120': 8
'SIM202': 8
'SIM211': 8
'G201': 8
'G202': 8
'ANN002': 8
'ANN003': 8
'PLR1701': 8
'D419': 8
'B033': 7
'B034': 7
'PGH002': 7
'PGH005': 7
'PLW0127': 7
'RUF007': 7
'SIM107': 7
'SIM210': 7
'SIM910': 7
'CPY001': 7
'F63': 7
'F7': 7
'F82': 7
'E225': 7
'E226': 7
'D300': 7
'TCH005': 7
'D204': 7
'D403': 7
'ANN204': 7
'TRIO': 7
'FBT001': 6
'PLR1722': 6
'PLR0206': 6
'T2': 6
'TRY201': 6
'S105': 6
'S106': 6
'S107': 6
'R': 6
'C401': 6
'C402': 6
'C403': 6
'C404': 6
'C405': 6
'D211': 6
'UP018': 6
'Q0': 6
'N802': 6
'N801': 6
'E501': 5
'NPY002': 5
'F632': 5
'Q003': 5
'UP032': 5
'W605': 5
'PLR1711': 5
'PLR0133': 5
'E203': 5
'E227': 5
'E228': 5
'E231': 5
'E261': 5
'B006': 5
'C400': 5
'UP015': 5
'B010': 5
'B011': 5
'SIM109': 5
'E713': 5
'N803': 5
'N806': 5
'RUF018': 4
'ERA001': 4
'SLF001': 4
'ASYNC100': 4
'ASYNC101': 4
'ASYNC102': 4
'PLR0124': 4
'E112': 4
'E113': 4
'E201': 4
'E202': 4
'E221': 4
'E222': 4
'E223': 4
'E224': 4
'E272': 4
'D418': 4
'SIM110': 4
'D206': 4
'D214': 4
'D215': 4
'F541': 4
'RUF005': 4
'SIM2': 4
'C408': 4
'D410': 4
'D103': 4
'UP007': 4
'ANN201': 4
'F403': 4
'E265': 4
'F631': 3
'F634': 3
'F823': 3
'EM103': 3
'S110': 3
'S112': 3
'E111': 3
'E114': 3
'E115': 3
'E116': 3
'E117': 3
'E211': 3
'E251': 3
'E252': 3
'E262': 3
'E266': 3
'E271': 3
'E273': 3
'E274': 3
'E275': 3
'D415': 3
'UP008': 3
'PLC1901': 3
'D402': 3
'COM812': 3
'E711': 3
'D203': 3
'F504': 3
'RUF1': 3
'D400': 3
'D101': 3
'D102': 3
'UP006': 3
'FA102': 3
'PLC3002': 3
'N816': 3
'UP034': 3
'ANN205': 3
'ANN206': 3
'E71': 3
'E72': 3
'N8': 3
'FIX003': 3
'N999': 3
'TCH004': 3
'SIM111': 3
'I25': 2
'D414': 2
'Q002': 2
'PLC0208': 2
'TRY400': 2
'B008': 2
'UP010': 2
'PLR5501': 2
'PLE1142': 2
'RUF008': 2
'D210': 2
'UP003': 2
'UP005': 2
'E402': 2
'D212': 2
'D301': 2
'S113': 2
'EXE004': 2
'PERF1': 2
'PIE790': 2
'PIE794': 2
'PIE808': 2
'PIE810': 2
'PLE2510': 2
'PLE2512': 2
'PLE2513': 2
'PLE2514': 2
'PLE2515': 2
'PT001': 2
'PT003': 2
'PT006': 2
'PT02': 2
'PTH201': 2
'RUF015': 2
'SIM103': 2
'SIM9': 2
'TD006': 2
'C406': 2
'C409': 2
'C410': 2
'C411': 2
'C413': 2
'C414': 2
'C416': 2
'D405': 2
'D406': 2
'D407': 2
'D408': 2
'D409': 2
'D411': 2
'D412': 2
'D413': 2
'D416': 2
'E703': 2
'E712': 2
'E714': 2
'PYI009': 2
'PYI010': 2
'PYI012': 2
'PYI020': 2
'PYI032': 2
'PLR0': 2
'D100': 2
'D105': 2
'D106': 2
'D107': 2
'D404': 2
'TD002': 2
'TD004': 2
'TD005': 2
'TD007': 2
'A00': 2
'ANN0': 2
'ANN2': 2
'ANN202': 2
'B004': 2
'B90': 2
'BLE001': 2
'E5': 2
'E73': 2
'E731': 2
'E74': 2
'E999': 2
'N807': 2
'N818': 2
'PLR02': 2
'PLR04': 2
'PLR1': 2
'T1': 2
'UP004': 2
'UP013': 2
'UP014': 2
'W6': 2
'TRY002': 2
'FIX001': 2
'UP039': 2
'EM101': 2
'TID2': 2
'FLY002': 2
'PLW0129': 2
'PLW0131': 2
'PLW0406': 2
'PLW0602': 2
'PLW0603': 2
'PLW0711': 2
'M001': 1
'PYI036': 1
'PLR09': 1
'TRY300': 1
'TRY301': 1
'PTH107': 1
'PTH113': 1
'PTH110': 1
'PTH119': 1
'S301': 1
'S324': 1
'S501': 1
'S506': 1
'SIM108': 1
'SIM115': 1
'RUF009': 1
'UP017': 1
'UP020': 1
'UP021': 1
'UP022': 1
'RUF004': 1
'PERF102': 1
'C418': 1
'C419': 1
'PYI011': 1
'PYI014': 1
'PYI015': 1
'PYI026': 1
'PYI029': 1
'PYI053': 1
'PYI054': 1
'SIM220': 1
'SIM221': 1
'SIM222': 1
'SIM223': 1
'PT025': 1
'RUF012': 1
'TID253': 1
'D401': 1
'SIM1': 1
'S5': 1
'S6': 1
'A0': 1
'A003': 1
'ANN00': 1
'ANN1': 1
'ANN10': 1
'ANN101': 1
'ANN102': 1
'ANN20': 1
'ANN4': 1
'ANN40': 1
'ANN401': 1
'B00': 1
'B01': 1
'B016': 1
'B017': 1
'B019': 1
'B02': 1
'B022': 1
'B024': 1
'B025': 1
'B027': 1
'BLE0': 1
'BLE00': 1
'C41': 1
'C415': 1
'C417': 1
'D10': 1
'D104': 1
'D20': 1
'D205': 1
'D21': 1
'D30': 1
'D40': 1
'D41': 1
'E40': 1
'E50': 1
'E721': 1
'E741': 1
'E742': 1
'E743': 1
'E90': 1
'E902': 1
'E99': 1
'ERA0': 1
'ERA00': 1
'F4': 1
'F40': 1
'F402': 1
'F404': 1
'F405': 1
'F406': 1
'F407': 1
'F5': 1
'F50': 1
'F501': 1
'F502': 1
'F503': 1
'F505': 1
'F506': 1
'F507': 1
'F508': 1
'F509': 1
'F52': 1
'F521': 1
'F522': 1
'F523': 1
'F524': 1
'F525': 1
'F54': 1
'F6': 1
'F60': 1
'F601': 1
'F602': 1
'F62': 1
'F621': 1
'F622': 1
'F633': 1
'F70': 1
'F701': 1
'F702': 1
'F704': 1
'F706': 1
'F707': 1
'F72': 1
'F722': 1
'F8': 1
'F821': 1
'F822': 1
'F83': 1
'F831': 1
'F84': 1
'F841': 1
'F9': 1
'F90': 1
'F901': 1
'FBT0': 1
'FBT00': 1
'FBT002': 1
'I0': 1
'I00': 1
'I2': 1
'I252': 1
'N80': 1
'N81': 1
'N811': 1
'N812': 1
'N813': 1
'N814': 1
'N817': 1
'PGH0': 1
'PGH00': 1
'PLC0': 1
'PLC04': 1
'PLC041': 1
'PLC2': 1
'PLC22': 1
'PLC220': 1
'PLC2201': 1
'PLC3': 1
'PLC30': 1
'PLC300': 1
'PLE1': 1
'PLE11': 1
'PLE114': 1
'PLR020': 1
'PLR040': 1
'PLR17': 1
'PLR170': 1
'PLR172': 1
'PLW0': 1
'PLW01': 1
'PLW012': 1
'Q00': 1
'Q001': 1
'RET5': 1
'RET50': 1
'RET505': 1
'RET506': 1
'RET507': 1
'RET508': 1
'RUF0': 1
'RUF00': 1
'RUF002': 1
'RUF003': 1
'RUF10': 1
'S1': 1
'S10': 1
'S101': 1
'S104': 1
'U0': 1
'U00': 1
'U001': 1
'U003': 1
'U004': 1
'U005': 1
'U006': 1
'U007': 1
'U008': 1
'U009': 1
'U01': 1
'U010': 1
'U011': 1
'U012': 1
'U013': 1
'U014': 1
'U015': 1
'UP0': 1
'UP00': 1
'UP001': 1
'UP009': 1
'UP01': 1
'UP011': 1
'UP012': 1
'W2': 1
'W29': 1
'W292': 1
'W60': 1
'YTT1': 1
'YTT10': 1
'YTT101': 1
'YTT102': 1
'YTT103': 1
'YTT2': 1
'YTT20': 1
'YTT201': 1
'YTT202': 1
'YTT203': 1
'YTT204': 1
'YTT3': 1
'YTT30': 1
'YTT301': 1
'YTT302': 1
'YTT303': 1
'TCH001': 1
'PLR01': 1
'TID25': 1
'E241': 1
'E242': 1
'PLR6301': 1
'PLW1641': 1
'PLW3201': 1
'FURB113': 1
'FURB131': 1
'FURB132': 1
'E101': 1
'E702': 1
'W191': 1
'W291': 1
'W293': 1
'UP019': 1
'UP035': 1
'PYI013': 1
'PYI025': 1
'NURSERY': 1
'PLR0911': 1
'PLR0912': 1
'PLR0915': 1
'PLR2004': 1
'PLW2901': 1
'ISC002': 1
'PLR091': 1
'W505': 1
'DJ001': 1
'DJ008': 1
'G10': 1
'G101': 1
'INP001': 1
'PDV': 1
'FA100': 1
'DJ006': 1
'DJ007': 1
'DJ012': 1

tool.ruff.lint.select contents:

tool.ruff.lint.select contents:
'F': 250
'I': 201
'E': 187
'B': 141
'UP': 130
'W': 126
'SIM': 86
'E9': 63
'E4': 62
'E7': 62
'RUF': 61
'C4': 61
'D': 56
'N': 56
'ALL': 50
'A': 49
'S': 48
'PT': 43
'YTT': 40
'PL': 37
'TID': 37
'Q': 37
'PIE': 36
'T20': 36
'PTH': 35
'ARG': 34
'PGH': 33
'ISC': 32
'ICN': 31
'RET': 31
'C': 27
'TCH': 25
'G': 25
'EM': 22
'BLE': 22
'C90': 21
'ANN': 20
'RSE': 20
'FBT': 19
'PLE': 19
'COM': 19
'ERA': 19
'PERF': 19
'DTZ': 18
'PLC': 18
'SLF': 18
'PLW': 16
'TRY': 16
'NPY': 16
'INP': 15
'PYI': 15
'I001': 14
'T10': 14
'PLR': 13
'ASYNC': 13
'DJ': 13
'PD': 12
'FA': 11
'FLY': 11
'RUF100': 11
'T': 10
'EXE': 10
'FIX': 8
'TD': 7
'FURB': 7
'LOG': 7
'SLOT': 6
'INT': 5
'R': 4
'E501': 3
'B9': 3
'F401': 3
'IC': 3
'B007': 2
'B014': 2
'B023': 2
'COM818': 2
'SIM105': 2
'SIM117': 2
'SIM118': 2
'SIM201': 2
'SIM212': 2
'SIM300': 2
'SIM401': 2
'TRY004': 2
'D101': 2
'D102': 2
'D103': 2
'I002': 1
'B002': 1
'B026': 1
'DTZ003': 1
'DTZ004': 1
'ICN001': 1
'ISC001': 1
'N804': 1
'N805': 1
'N815': 1
'PGH001': 1
'PGH004': 1
'PLC0414': 1
'Q000': 1
'RUF006': 1
'S102': 1
'S103': 1
'S108': 1
'S306': 1
'S307': 1
'S313': 1
'S314': 1
'S315': 1
'S316': 1
'S317': 1
'S318': 1
'S319': 1
'S320': 1
'S601': 1
'S602': 1
'S604': 1
'S608': 1
'S609': 1
'SIM208': 1
'T100': 1
'TID251': 1
'TRY200': 1
'TRY302': 1
'UP031': 1
'D417': 1
'B0': 1
'C901': 1
'TID252': 1
'E5': 1
'D100': 1
'D104': 1
'D105': 1
'D106': 1
'D107': 1
'ANN201': 1
'ANN202': 1
'S107': 1
'PIE796': 1
'T201': 1
'PYI009': 1
'PYI012': 1
'PYI026': 1
'RET505': 1
'SIM115': 1
'E1': 1
'E722': 1
'ERA001': 1
'U': 1
'C40': 1
'F63': 1
'F7': 1
'F82': 1
'D1': 1
'D2': 1
'D3': 1
'D4': 1
'D213': 1
'W6': 1
'W293': 1
'CPY': 1
'W2': 1
'W5': 1
'E241': 1
'FIX001': 1
'TD004': 1
'TD005': 1
'TD007': 1
'FIX002': 1
'E261': 1

[henryiii]

tool.ruff.ignore contents:

tool.ruff.ignore contents:
'E501': 2192
'C901': 986
'PLR0913': 983
'D203': 804
'ANN101': 776
'PLR0912': 717
'PLR0915': 665
'PLR0911': 617
'D107': 551
'D213': 546
'D100': 520
'D105': 518
'FBT003': 506
'S105': 495
'PLR2004': 482
'S106': 481
'B027': 479
'B008': 471
'D104': 466
'ANN102': 461
'S107': 457
'E731': 442
'S101': 436
'ANN401': 422
'D212': 417
'E402': 393
'TRY003': 349
'D401': 348
'D102': 333
'D103': 314
'E741': 314
'D101': 298
'COM812': 279
'A003': 271
'B905': 271
'D205': 262
'F401': 254
'UP007': 251
'F403': 224
'ISC001': 219
'D400': 204
'PLW2901': 191
'D407': 185
'RUF012': 177
'B904': 175
'D106': 169
'UP006': 169
'D202': 166
'N806': 166
'D': 164
'PGH003': 159
'D417': 158
'D406': 154
'F405': 152
'D415': 152
'RUF001': 146
'ANN': 143
'C408': 140
'RET504': 131
'FBT002': 130
'SIM117': 125
'ANN003': 125
'T201': 124
'N803': 123
'FBT': 120
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tool.ruff.lint.ignore contents:

tool.ruff.lint.ignore contents:
'E501': 92
'ISC001': 63
'ANN101': 59
'COM812': 46
'PLR2004': 33
'PLR': 30
'D203': 29
'RUF012': 26
'E203': 25
'ANN102': 24
'E731': 23
'S101': 23
'E741': 22
'PLR0913': 22
'D213': 21
'E402': 20
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'D100': 20
'D104': 20
'FIX002': 19
'PLR09': 17
'D212': 17
'UP007': 16
'SIM105': 16
'F401': 16
'DJ': 16
'D105': 16
'TRY003': 15
'D101': 14
'FBT001': 13
'FBT002': 13
'PD': 13
'Q000': 11
'PT004': 11
'B008': 11
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'W191': 10
'D205': 10
'ANN401': 10
'C901': 10
'PLR0912': 10
'B905': 10
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'D400': 9
'E722': 8
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'SIM108': 8
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'D102': 8
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'D': 8
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'D1': 6
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'B027': 5
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[charliermarsh]

@henryiii -- This is really cool... I'm independently curious what the distribution of build backends looks like (inspired by https://twitter.com/mitsuhiko/status/1754282328736559223, which led me to think we could scrape PyPI to get a quantitative answer, which led me to recall that you'd already done it).

[henryiii]

(Copy of post to PyPA discord, scikit-build channel)

We are the 15th most popular build backend with 138 projects on PyPI (counting leaving it empty as a separate backend) out of 127,368 projects with a pyproject.toml:

  0 setuptools.build_meta: 52481
  1 poetry.core.masonry.api: 35852
  2 unknown: 12989
  3 hatchling.build: 9039
  4 poetry.masonry.api: 7082
  5 flit_core.buildapi: 4107
  6 maturin: 1373
  7 setuptools.build_meta:__legacy__: 932
  8 pdm.backend: 873
  9 poetry_dynamic_versioning.backend: 630
 10 pdm.pep517.api: 584
 11 flit.buildapi: 519
 12 jupyter_packaging.build_api: 184
 13 scikit_build_core.build: 138
 14 mesonpy: 87
...

("unknown" is empty, actually, which is setuptools.build_meta:__legacy__)

[henryiii]

More in this slide deck: https://docs.google.com/presentation/d/1TTXEZhEBcJq5vgpFy4xMG_7h7irWZ16LqS0t1tIn2XQ/edit

[charliermarsh]

You're awesome, thanks for sharing this!