[WIP] Add experimental lockfile support to IPython, Pytest, and Pylint

3rdparty/python/lockfiles/ipython.txt

@@ -0,0 +1,68 @@
+#
+# This file is autogenerated by pip-compile with python 3.9
+# To update, run:
+#
+#    pip-compile --allow-unsafe --generate-hashes --output-file=3rdparty/python/lockfiles/ipython.txt reqs.txt
+#
+appnope==0.1.2 \
+    --hash=sha256:93aa393e9d6c54c5cd570ccadd8edad61ea0c4b9ea7a01409020c9aa019eb442 \
+    --hash=sha256:dd83cd4b5b460958838f6eb3000c660b1f9caf2a5b1de4264e941512f603258a
+    # via ipython
+backcall==0.2.0 \
+    --hash=sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e \
+    --hash=sha256:fbbce6a29f263178a1f7915c1940bde0ec2b2a967566fe1c65c1dfb7422bd255
+    # via ipython
+decorator==5.0.9 \
+    --hash=sha256:6e5c199c16f7a9f0e3a61a4a54b3d27e7dad0dbdde92b944426cb20914376323 \
+    --hash=sha256:72ecfba4320a893c53f9706bebb2d55c270c1e51a28789361aa93e4a21319ed5
+    # via ipython
+ipython==7.16.1 \
+    --hash=sha256:2dbcc8c27ca7d3cfe4fcdff7f45b27f9a8d3edfa70ff8024a71c7a8eb5f09d64 \
+    --hash=sha256:9f4fcb31d3b2c533333893b9172264e4821c1ac91839500f31bd43f2c59b3ccf
+    # via -r reqs.txt
+ipython-genutils==0.2.0 \
+    --hash=sha256:72dd37233799e619666c9f639a9da83c34013a73e8bbc79a7a6348d93c61fab8 \
+    --hash=sha256:eb2e116e75ecef9d4d228fdc66af54269afa26ab4463042e33785b887c628ba8
+    # via traitlets
+jedi==0.18.0 \
+    --hash=sha256:18456d83f65f400ab0c2d3319e48520420ef43b23a086fdc05dff34132f0fb93 \
+    --hash=sha256:92550a404bad8afed881a137ec9a461fed49eca661414be45059329614ed0707
+    # via ipython
+parso==0.8.2 \
+    --hash=sha256:12b83492c6239ce32ff5eed6d3639d6a536170723c6f3f1506869f1ace413398 \
+    --hash=sha256:a8c4922db71e4fdb90e0d0bc6e50f9b273d3397925e5e60a717e719201778d22
+    # via jedi
+pexpect==4.8.0 \
+    --hash=sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937 \
+    --hash=sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c
+    # via ipython
+pickleshare==0.7.5 \
+    --hash=sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca \
+    --hash=sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56
+    # via ipython
+prompt-toolkit==3.0.19 \
+    --hash=sha256:08360ee3a3148bdb5163621709ee322ec34fc4375099afa4bbf751e9b7b7fa4f \
+    --hash=sha256:7089d8d2938043508aa9420ec18ce0922885304cddae87fb96eebca942299f88
+    # via ipython
+ptyprocess==0.7.0 \
+    --hash=sha256:4b41f3967fce3af57cc7e94b888626c18bf37a083e3651ca8feeb66d492fef35 \
+    --hash=sha256:5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220
+    # via pexpect
+pygments==2.9.0 \
+    --hash=sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f \
+    --hash=sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e
+    # via ipython
+traitlets==5.0.5 \
+    --hash=sha256:178f4ce988f69189f7e523337a3e11d91c786ded9360174a3d9ca83e79bc5396 \
+    --hash=sha256:69ff3f9d5351f31a7ad80443c2674b7099df13cc41fc5fa6e2f6d3b0330b0426
+    # via ipython
+wcwidth==0.2.5 \
+    --hash=sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784 \
+    --hash=sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83
+    # via prompt-toolkit
+
+# The following packages are considered to be unsafe in a requirements file:
+setuptools==57.4.0 \
+    --hash=sha256:6bac238ffdf24e8806c61440e755192470352850f3419a52f26ffe0a1a64f465 \
+    --hash=sha256:a49230977aa6cfb9d933614d2f7b79036e9945c4cdd7583163f4e920b83418d6
+    # via ipython

3rdparty/python/lockfiles/pytest.txt

@@ -0,0 +1,201 @@
+# --- BEGIN PANTS LOCKFILE METADATA: DO NOT EDIT OR REMOVE ---
+# invalidation digest: ce1562366b0a92f46cf854f8fce4cd1851a962eb65d35da85641e4ce83d56c65
+# --- END PANTS LOCKFILE METADATA ---
+#
+# This file is autogenerated by pip-compile with python 3.9
+# To update, run:
+#
+#    pip-compile --allow-unsafe --generate-hashes --output-file=3rdparty/python/lockfiles/pytest.txt reqs.txt
+#
+appnope==0.1.2 \
+    --hash=sha256:93aa393e9d6c54c5cd570ccadd8edad61ea0c4b9ea7a01409020c9aa019eb442 \
+    --hash=sha256:dd83cd4b5b460958838f6eb3000c660b1f9caf2a5b1de4264e941512f603258a
+    # via ipython
+attrs==21.2.0 \
+    --hash=sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1 \
+    --hash=sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb
+    # via pytest
+backcall==0.2.0 \
+    --hash=sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e \
+    --hash=sha256:fbbce6a29f263178a1f7915c1940bde0ec2b2a967566fe1c65c1dfb7422bd255
+    # via ipython
+coverage==5.5 \
+    --hash=sha256:004d1880bed2d97151facef49f08e255a20ceb6f9432df75f4eef018fdd5a78c \
+    --hash=sha256:01d84219b5cdbfc8122223b39a954820929497a1cb1422824bb86b07b74594b6 \
+    --hash=sha256:040af6c32813fa3eae5305d53f18875bedd079960822ef8ec067a66dd8afcd45 \
+    --hash=sha256:06191eb60f8d8a5bc046f3799f8a07a2d7aefb9504b0209aff0b47298333302a \
+    --hash=sha256:13034c4409db851670bc9acd836243aeee299949bd5673e11844befcb0149f03 \
+    --hash=sha256:13c4ee887eca0f4c5a247b75398d4114c37882658300e153113dafb1d76de529 \
+    --hash=sha256:184a47bbe0aa6400ed2d41d8e9ed868b8205046518c52464fde713ea06e3a74a \
+    --hash=sha256:18ba8bbede96a2c3dde7b868de9dcbd55670690af0988713f0603f037848418a \
+    --hash=sha256:1aa846f56c3d49205c952d8318e76ccc2ae23303351d9270ab220004c580cfe2 \
+    --hash=sha256:217658ec7187497e3f3ebd901afdca1af062b42cfe3e0dafea4cced3983739f6 \
+    --hash=sha256:24d4a7de75446be83244eabbff746d66b9240ae020ced65d060815fac3423759 \
+    --hash=sha256:2910f4d36a6a9b4214bb7038d537f015346f413a975d57ca6b43bf23d6563b53 \
+    --hash=sha256:2949cad1c5208b8298d5686d5a85b66aae46d73eec2c3e08c817dd3513e5848a \
+    --hash=sha256:2a3859cb82dcbda1cfd3e6f71c27081d18aa251d20a17d87d26d4cd216fb0af4 \
+    --hash=sha256:2cafbbb3af0733db200c9b5f798d18953b1a304d3f86a938367de1567f4b5bff \
+    --hash=sha256:2e0d881ad471768bf6e6c2bf905d183543f10098e3b3640fc029509530091502 \
+    --hash=sha256:30c77c1dc9f253283e34c27935fded5015f7d1abe83bc7821680ac444eaf7793 \
+    --hash=sha256:3487286bc29a5aa4b93a072e9592f22254291ce96a9fbc5251f566b6b7343cdb \
+    --hash=sha256:372da284cfd642d8e08ef606917846fa2ee350f64994bebfbd3afb0040436905 \
+    --hash=sha256:41179b8a845742d1eb60449bdb2992196e211341818565abded11cfa90efb821 \
+    --hash=sha256:44d654437b8ddd9eee7d1eaee28b7219bec228520ff809af170488fd2fed3e2b \
+    --hash=sha256:4a7697d8cb0f27399b0e393c0b90f0f1e40c82023ea4d45d22bce7032a5d7b81 \
+    --hash=sha256:51cb9476a3987c8967ebab3f0fe144819781fca264f57f89760037a2ea191cb0 \
+    --hash=sha256:52596d3d0e8bdf3af43db3e9ba8dcdaac724ba7b5ca3f6358529d56f7a166f8b \
+    --hash=sha256:53194af30d5bad77fcba80e23a1441c71abfb3e01192034f8246e0d8f99528f3 \
+    --hash=sha256:5fec2d43a2cc6965edc0bb9e83e1e4b557f76f843a77a2496cbe719583ce8184 \
+    --hash=sha256:6c90e11318f0d3c436a42409f2749ee1a115cd8b067d7f14c148f1ce5574d701 \
+    --hash=sha256:74d881fc777ebb11c63736622b60cb9e4aee5cace591ce274fb69e582a12a61a \
+    --hash=sha256:7501140f755b725495941b43347ba8a2777407fc7f250d4f5a7d2a1050ba8e82 \
+    --hash=sha256:796c9c3c79747146ebd278dbe1e5c5c05dd6b10cc3bcb8389dfdf844f3ead638 \
+    --hash=sha256:869a64f53488f40fa5b5b9dcb9e9b2962a66a87dab37790f3fcfb5144b996ef5 \
+    --hash=sha256:8963a499849a1fc54b35b1c9f162f4108017b2e6db2c46c1bed93a72262ed083 \
+    --hash=sha256:8d0a0725ad7c1a0bcd8d1b437e191107d457e2ec1084b9f190630a4fb1af78e6 \
+    --hash=sha256:900fbf7759501bc7807fd6638c947d7a831fc9fdf742dc10f02956ff7220fa90 \
+    --hash=sha256:92b017ce34b68a7d67bd6d117e6d443a9bf63a2ecf8567bb3d8c6c7bc5014465 \
+    --hash=sha256:970284a88b99673ccb2e4e334cfb38a10aab7cd44f7457564d11898a74b62d0a \
+    --hash=sha256:972c85d205b51e30e59525694670de6a8a89691186012535f9d7dbaa230e42c3 \
+    --hash=sha256:9a1ef3b66e38ef8618ce5fdc7bea3d9f45f3624e2a66295eea5e57966c85909e \
+    --hash=sha256:af0e781009aaf59e25c5a678122391cb0f345ac0ec272c7961dc5455e1c40066 \
+    --hash=sha256:b6d534e4b2ab35c9f93f46229363e17f63c53ad01330df9f2d6bd1187e5eaacf \
+    --hash=sha256:b7895207b4c843c76a25ab8c1e866261bcfe27bfaa20c192de5190121770672b \
+    --hash=sha256:c0891a6a97b09c1f3e073a890514d5012eb256845c451bd48f7968ef939bf4ae \
+    --hash=sha256:c2723d347ab06e7ddad1a58b2a821218239249a9e4365eaff6649d31180c1669 \
+    --hash=sha256:d1f8bf7b90ba55699b3a5e44930e93ff0189aa27186e96071fac7dd0d06a1873 \
+    --hash=sha256:d1f9ce122f83b2305592c11d64f181b87153fc2c2bbd3bb4a3dde8303cfb1a6b \
+    --hash=sha256:d314ed732c25d29775e84a960c3c60808b682c08d86602ec2c3008e1202e3bb6 \
+    --hash=sha256:d636598c8305e1f90b439dbf4f66437de4a5e3c31fdf47ad29542478c8508bbb \
+    --hash=sha256:deee1077aae10d8fa88cb02c845cfba9b62c55e1183f52f6ae6a2df6a2187160 \
+    --hash=sha256:ebe78fe9a0e874362175b02371bdfbee64d8edc42a044253ddf4ee7d3c15212c \
+    --hash=sha256:f030f8873312a16414c0d8e1a1ddff2d3235655a2174e3648b4fa66b3f2f1079 \
+    --hash=sha256:f0b278ce10936db1a37e6954e15a3730bea96a0997c26d7fee88e6c396c2086d \
+    --hash=sha256:f11642dddbb0253cc8853254301b51390ba0081750a8ac03f20ea8103f0c56b6
+    # via pytest-cov
+decorator==5.0.9 \
+    --hash=sha256:6e5c199c16f7a9f0e3a61a4a54b3d27e7dad0dbdde92b944426cb20914376323 \
+    --hash=sha256:72ecfba4320a893c53f9706bebb2d55c270c1e51a28789361aa93e4a21319ed5
+    # via
+    #   ipdb
+    #   ipython
+icdiff==2.0.3 \
+    --hash=sha256:230fc488b9e434127a97193672303b0d7ae75c5e362530ebcdf6d7f534b2444a
+    # via pytest-icdiff
+iniconfig==1.1.1 \
+    --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
+    --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32
+    # via pytest
+ipdb==0.13.9 \
+    --hash=sha256:951bd9a64731c444fd907a5ce268543020086a697f6be08f7cc2c9a752a278c5
+    # via -r reqs.txt
+ipython==7.26.0 \
+    --hash=sha256:0cff04bb042800129348701f7bd68a430a844e8fb193979c08f6c99f28bb735e \
+    --hash=sha256:892743b65c21ed72b806a3a602cca408520b3200b89d1924f4b3d2cdb3692362
+    # via ipdb
+ipython-genutils==0.2.0 \
+    --hash=sha256:72dd37233799e619666c9f639a9da83c34013a73e8bbc79a7a6348d93c61fab8 \
+    --hash=sha256:eb2e116e75ecef9d4d228fdc66af54269afa26ab4463042e33785b887c628ba8
+    # via traitlets
+jedi==0.18.0 \
+    --hash=sha256:18456d83f65f400ab0c2d3319e48520420ef43b23a086fdc05dff34132f0fb93 \
+    --hash=sha256:92550a404bad8afed881a137ec9a461fed49eca661414be45059329614ed0707
+    # via ipython
+matplotlib-inline==0.1.2 \
+    --hash=sha256:5cf1176f554abb4fa98cb362aa2b55c500147e4bdbb07e3fda359143e1da0811 \
+    --hash=sha256:f41d5ff73c9f5385775d5c0bc13b424535c8402fe70ea8210f93e11f3683993e
+    # via ipython
+packaging==21.0 \
+    --hash=sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7 \
+    --hash=sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14
+    # via pytest
+parso==0.8.2 \
+    --hash=sha256:12b83492c6239ce32ff5eed6d3639d6a536170723c6f3f1506869f1ace413398 \
+    --hash=sha256:a8c4922db71e4fdb90e0d0bc6e50f9b273d3397925e5e60a717e719201778d22
+    # via jedi
+pexpect==4.8.0 \
+    --hash=sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937 \
+    --hash=sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c
+    # via ipython
+pickleshare==0.7.5 \
+    --hash=sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca \
+    --hash=sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56
+    # via ipython
+pluggy==0.13.1 \
+    --hash=sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0 \
+    --hash=sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d
+    # via pytest
+pprintpp==0.4.0 \
+    --hash=sha256:b6b4dcdd0c0c0d75e4d7b2f21a9e933e5b2ce62b26e1a54537f9651ae5a5c01d \
+    --hash=sha256:ea826108e2c7f49dc6d66c752973c3fc9749142a798d6b254e1e301cfdbc6403
+    # via pytest-icdiff
+prompt-toolkit==3.0.19 \
+    --hash=sha256:08360ee3a3148bdb5163621709ee322ec34fc4375099afa4bbf751e9b7b7fa4f \
+    --hash=sha256:7089d8d2938043508aa9420ec18ce0922885304cddae87fb96eebca942299f88
+    # via ipython
+ptyprocess==0.7.0 \
+    --hash=sha256:4b41f3967fce3af57cc7e94b888626c18bf37a083e3651ca8feeb66d492fef35 \
+    --hash=sha256:5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220
+    # via pexpect
+py==1.10.0 \
+    --hash=sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3 \
+    --hash=sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a
+    # via pytest
+pygments==2.9.0 \
+    --hash=sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f \
+    --hash=sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e
+    # via
+    #   -r reqs.txt
+    #   ipython
+pyparsing==2.4.7 \
+    --hash=sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1 \
+    --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b
+    # via packaging
+pytest==6.2.4 \
+    --hash=sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b \
+    --hash=sha256:91ef2131a9bd6be8f76f1f08eac5c5317221d6ad1e143ae03894b862e8976890
+    # via
+    #   -r reqs.txt
+    #   pytest-cov
+    #   pytest-html
+    #   pytest-icdiff
+    #   pytest-metadata
+pytest-cov==2.11.1 \
+    --hash=sha256:359952d9d39b9f822d9d29324483e7ba04a3a17dd7d05aa6beb7ea01e359e5f7 \
+    --hash=sha256:bdb9fdb0b85a7cc825269a4c56b48ccaa5c7e365054b6038772c32ddcdc969da
+    # via -r reqs.txt
+pytest-html==3.1.1 \
+    --hash=sha256:3ee1cf319c913d19fe53aeb0bc400e7b0bc2dbeb477553733db1dad12eb75ee3 \
+    --hash=sha256:b7f82f123936a3f4d2950bc993c2c1ca09ce262c9ae12f9ac763a2401380b455
+    # via -r reqs.txt
+pytest-icdiff==0.5 \
+    --hash=sha256:3a14097f4385665cb04330e6ae09a3dd430375f717e94482af6944470ad5f100
+    # via -r reqs.txt
+pytest-metadata==1.11.0 \
+    --hash=sha256:576055b8336dd4a9006dd2a47615f76f2f8c30ab12b1b1c039d99e834583523f \
+    --hash=sha256:71b506d49d34e539cc3cfdb7ce2c5f072bea5c953320002c95968e0238f8ecf1
+    # via pytest-html
+toml==0.10.2 \
+    --hash=sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b \
+    --hash=sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f
+    # via
+    #   ipdb
+    #   pytest
+traitlets==5.0.5 \
+    --hash=sha256:178f4ce988f69189f7e523337a3e11d91c786ded9360174a3d9ca83e79bc5396 \
+    --hash=sha256:69ff3f9d5351f31a7ad80443c2674b7099df13cc41fc5fa6e2f6d3b0330b0426
+    # via
+    #   ipython
+    #   matplotlib-inline
+wcwidth==0.2.5 \
+    --hash=sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784 \
+    --hash=sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83
+    # via prompt-toolkit
+
+# The following packages are considered to be unsafe in a requirements file:
+setuptools==57.4.0 \
+    --hash=sha256:6bac238ffdf24e8806c61440e755192470352850f3419a52f26ffe0a1a64f465 \
+    --hash=sha256:a49230977aa6cfb9d933614d2f7b79036e9945c4cdd7583163f4e920b83418d6
+    # via
+    #   ipdb
+    #   ipython

build-support/bin/generate_all_lockfiles.py

@@ -21,6 +21,8 @@
 from pants.backend.python.lint.flake8.subsystem import Flake8
 from pants.backend.python.lint.isort.subsystem import Isort
 from pants.backend.python.lint.yapf.subsystem import Yapf
+from pants.backend.python.subsystems.ipython import IPython
+from pants.backend.python.subsystems.pytest import PyTest
 from pants.backend.python.subsystems.setuptools import Setuptools
 from pants.python.python_setup import PythonSetup
 
@@ -37,8 +39,8 @@ def validate_python_installed(binary: str) -> None:
 def main() -> None:
     # TODO(#12314): Pants should automatically validate that the necessary Python interpreters
     #  are used. This is a temporary measure.
-    for v in ("3.6", "3.7", "3.8", "3.9"):
-        validate_python_installed(f"python{v}")
+    # for v in ("3.6", "3.7", "3.8", "3.9"):
+    #     validate_python_installed(f"python{v}")
 
     # First, generate what we internally use.
     logger.info("First, generating lockfiles for internal usage")
@@ -47,7 +49,7 @@ def main() -> None:
             "./pants",
             "--concurrent",
             "--tag='-lockfile_ignore'",
-            "lock",
+            # "lock",
             "tool-lock",
             "::",
         ],
@@ -92,6 +94,10 @@ def main() -> None:
             f"--yapf-extra-requirements={repr(Yapf.default_extra_requirements)}",
             f"--yapf-interpreter-constraints={repr(Yapf.default_interpreter_constraints)}",
             f"--yapf-experimental-lockfile={Yapf.default_lockfile_path}",
+            # IPython.
+            f"--ipython-version={IPython.default_version}",
+            f"--ipython-extra-requirements={repr(IPython.default_extra_requirements)}",
+            f"--ipython-experimental-lockfile={IPython.default_lockfile_path}",
             # Setuptools.
             f"--setuptools-version={Setuptools.default_version}",
             f"--setuptools-extra-requirements={repr(Setuptools.default_extra_requirements)}",
@@ -108,6 +114,10 @@ def main() -> None:
             f"--lambdex-extra-requirements={repr(Lambdex.default_extra_requirements)}",
             f"--lambdex-interpreter-constraints={repr(Lambdex.default_interpreter_constraints)}",
             f"--lambdex-experimental-lockfile={Lambdex.default_lockfile_path}",
+            # Pytest
+            f"--pytest-version={PyTest.default_version}",
+            f"--pytest-extra-requirements={repr(PyTest.default_extra_requirements)}",
+            f"--pytest-experimental-lockfile={PyTest.default_lockfile_path}",
             # Coverage.py
             f"--coverage-py-version={CoverageSubsystem.default_version}",
             f"--coverage-py-extra-requirements={repr(CoverageSubsystem.default_extra_requirements)}",

pants.toml

@@ -74,6 +74,9 @@ root_patterns = [
 experimental_lockfile = "3rdparty/python/lockfiles/user_reqs.txt"
 interpreter_constraints = [">=3.7,<3.10"]
 
+[ipython]
+experimental_lockfile = "3rdparty/python/lockfiles/ipython.txt"
+
 [black]
 experimental_lockfile = "3rdparty/python/lockfiles/black.txt"
 
@@ -156,6 +159,7 @@ extra_requirements.add = [
   "pytest-icdiff",
   "pygments",
 ]
+experimental_lockfile = "3rdparty/python/lockfiles/pytest.txt"
 timeout_default = 60
 
 [test]

src/python/pants/backend/experimental/python/lockfile.py

@@ -294,7 +294,9 @@ async def generate_all_tool_lockfiles(
         for req in requests
         if req.dest not in {"<none>", "<default>"}
     )
-    merged_digest = await Get(Digest, MergeDigests(res.digest for res in results))
+    merged_digest = await Get(
+        Digest, MergeDigests(res.digest for res in results if "pytest" in res.path)
+    )
     workspace.write_digest(merged_digest)
     for result in results:
         logger.info(f"Wrote lockfile to {result.path}")

src/python/pants/backend/python/lint/bandit/subsystem.py

@@ -97,12 +97,21 @@ class BanditLockfileSentinel(PythonToolLockfileSentinel):
 
 
 @rule(
-    desc="Determine all Python interpreter versions used by Bandit in your project",
+    desc=(
+        "Determine all Python interpreter versions used by Bandit in your project (for lockfile "
+        "usage)"
+    ),
     level=LogLevel.DEBUG,
 )
 async def setup_bandit_lockfile(
     _: BanditLockfileSentinel, bandit: Bandit, python_setup: PythonSetup
 ) -> PythonLockfileRequest:
+    # While Bandit will run in partitions, we need a single lockfile that works with every
+    # partition.
+    #
+    # This ORs all unique interpreter constraints. When paired with
+    # `InterpreterConstraints.partition_by_major_minor_versions`, the net effect is that every
+    # possible Python interpreter used will be covered.
     all_build_targets = await Get(UnexpandedTargets, AddressSpecs([DescendantAddresses("")]))
     unique_constraints = {
         InterpreterConstraints.create_from_compatibility_fields(

src/python/pants/backend/python/lint/black/subsystem.py

@@ -115,7 +115,7 @@ class BlackLockfileSentinel(PythonToolLockfileSentinel):
 
 
 @rule(
-    desc="Determine if Black should use Python 3.8+",
+    desc="Determine if Black should use Python 3.8+ (for lockfile usage)",
     level=LogLevel.DEBUG,
 )
 async def setup_black_lockfile(