Add multi-platform torch example

.bazelrc

@@ -4,8 +4,8 @@
 # (Note, we cannot use `common --deleted_packages` because the bazel version command doesn't support it)
 # To update these lines, execute
 # `bazel run @rules_bazel_integration_test//tools:update_deleted_packages`
-build --deleted_packages=examples/build_file_generation,examples/build_file_generation/random_number_generator,examples/bzlmod,examples/bzlmod_build_file_generation,examples/bzlmod_build_file_generation/other_module/other_module/pkg,examples/bzlmod_build_file_generation/runfiles,examples/bzlmod/entry_points,examples/bzlmod/entry_points/tests,examples/bzlmod/libs/my_lib,examples/bzlmod/other_module,examples/bzlmod/other_module/other_module/pkg,examples/bzlmod/patches,examples/bzlmod/py_proto_library,examples/bzlmod/py_proto_library/example.com/another_proto,examples/bzlmod/py_proto_library/example.com/proto,examples/bzlmod/runfiles,examples/bzlmod/tests,examples/bzlmod/tests/other_module,examples/bzlmod/whl_mods,examples/multi_python_versions/libs/my_lib,examples/multi_python_versions/requirements,examples/multi_python_versions/tests,examples/pip_parse,examples/pip_parse_vendored,examples/pip_repository_annotations,examples/py_proto_library,examples/py_proto_library/example.com/another_proto,examples/py_proto_library/example.com/proto,gazelle,gazelle/manifest,gazelle/manifest/generate,gazelle/manifest/hasher,gazelle/manifest/test,gazelle/modules_mapping,gazelle/python,gazelle/pythonconfig,gazelle/python/private,tests/integration/compile_pip_requirements,tests/integration/compile_pip_requirements_test_from_external_repo,tests/integration/custom_commands,tests/integration/ignore_root_user_error,tests/integration/ignore_root_user_error/submodule,tests/integration/local_toolchains,tests/integration/pip_parse,tests/integration/pip_parse/empty,tests/integration/py_cc_toolchain_registered
-query --deleted_packages=examples/build_file_generation,examples/build_file_generation/random_number_generator,examples/bzlmod,examples/bzlmod_build_file_generation,examples/bzlmod_build_file_generation/other_module/other_module/pkg,examples/bzlmod_build_file_generation/runfiles,examples/bzlmod/entry_points,examples/bzlmod/entry_points/tests,examples/bzlmod/libs/my_lib,examples/bzlmod/other_module,examples/bzlmod/other_module/other_module/pkg,examples/bzlmod/patches,examples/bzlmod/py_proto_library,examples/bzlmod/py_proto_library/example.com/another_proto,examples/bzlmod/py_proto_library/example.com/proto,examples/bzlmod/runfiles,examples/bzlmod/tests,examples/bzlmod/tests/other_module,examples/bzlmod/whl_mods,examples/multi_python_versions/libs/my_lib,examples/multi_python_versions/requirements,examples/multi_python_versions/tests,examples/pip_parse,examples/pip_parse_vendored,examples/pip_repository_annotations,examples/py_proto_library,examples/py_proto_library/example.com/another_proto,examples/py_proto_library/example.com/proto,gazelle,gazelle/manifest,gazelle/manifest/generate,gazelle/manifest/hasher,gazelle/manifest/test,gazelle/modules_mapping,gazelle/python,gazelle/pythonconfig,gazelle/python/private,tests/integration/compile_pip_requirements,tests/integration/compile_pip_requirements_test_from_external_repo,tests/integration/custom_commands,tests/integration/ignore_root_user_error,tests/integration/ignore_root_user_error/submodule,tests/integration/local_toolchains,tests/integration/pip_parse,tests/integration/pip_parse/empty,tests/integration/py_cc_toolchain_registered
+build --deleted_packages=examples/build_file_generation,examples/build_file_generation/random_number_generator,examples/bzlmod,examples/bzlmod_build_file_generation,examples/bzlmod_build_file_generation/other_module/other_module/pkg,examples/bzlmod_build_file_generation/runfiles,examples/bzlmod/entry_points,examples/bzlmod/entry_points/tests,examples/bzlmod/libs/my_lib,examples/bzlmod/other_module,examples/bzlmod/other_module/other_module/pkg,examples/bzlmod/patches,examples/bzlmod/py_proto_library,examples/bzlmod/py_proto_library/example.com/another_proto,examples/bzlmod/py_proto_library/example.com/proto,examples/bzlmod/runfiles,examples/bzlmod/tests,examples/bzlmod/tests/other_module,examples/bzlmod/whl_mods,examples/multi_python_versions/libs/my_lib,examples/multi_python_versions/requirements,examples/multi_python_versions/tests,examples/pip_parse,examples/pip_parse_vendored,examples/pip_repository_annotations,examples/platform_specific_deps,examples/py_proto_library,examples/py_proto_library/example.com/another_proto,examples/py_proto_library/example.com/proto,gazelle,gazelle/manifest,gazelle/manifest/generate,gazelle/manifest/hasher,gazelle/manifest/test,gazelle/modules_mapping,gazelle/python,gazelle/pythonconfig,gazelle/python/private,tests/integration/compile_pip_requirements,tests/integration/compile_pip_requirements_test_from_external_repo,tests/integration/custom_commands,tests/integration/ignore_root_user_error,tests/integration/ignore_root_user_error/submodule,tests/integration/local_toolchains,tests/integration/pip_parse,tests/integration/pip_parse/empty,tests/integration/py_cc_toolchain_registered
+query --deleted_packages=examples/build_file_generation,examples/build_file_generation/random_number_generator,examples/bzlmod,examples/bzlmod_build_file_generation,examples/bzlmod_build_file_generation/other_module/other_module/pkg,examples/bzlmod_build_file_generation/runfiles,examples/bzlmod/entry_points,examples/bzlmod/entry_points/tests,examples/bzlmod/libs/my_lib,examples/bzlmod/other_module,examples/bzlmod/other_module/other_module/pkg,examples/bzlmod/patches,examples/bzlmod/py_proto_library,examples/bzlmod/py_proto_library/example.com/another_proto,examples/bzlmod/py_proto_library/example.com/proto,examples/bzlmod/runfiles,examples/bzlmod/tests,examples/bzlmod/tests/other_module,examples/bzlmod/whl_mods,examples/multi_python_versions/libs/my_lib,examples/multi_python_versions/requirements,examples/multi_python_versions/tests,examples/pip_parse,examples/pip_parse_vendored,examples/pip_repository_annotations,examples/platform_specific_deps,examples/py_proto_library,examples/py_proto_library/example.com/another_proto,examples/py_proto_library/example.com/proto,gazelle,gazelle/manifest,gazelle/manifest/generate,gazelle/manifest/hasher,gazelle/manifest/test,gazelle/modules_mapping,gazelle/python,gazelle/pythonconfig,gazelle/python/private,tests/integration/compile_pip_requirements,tests/integration/compile_pip_requirements_test_from_external_repo,tests/integration/custom_commands,tests/integration/ignore_root_user_error,tests/integration/ignore_root_user_error/submodule,tests/integration/local_toolchains,tests/integration/pip_parse,tests/integration/pip_parse/empty,tests/integration/py_cc_toolchain_registered
 
 test --test_output=errors
 

examples/platform_specific_deps/.gitignore

@@ -0,0 +1 @@
+bazel-*

examples/platform_specific_deps/BUILD.bazel

@@ -0,0 +1,24 @@
+load("@pip//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_test")
+load("@rules_uv//uv:pip.bzl", "pip_compile")
+
+pip_compile(
+    name = "generate_requirements",
+    args = [
+        "--emit-index-url",
+        "--index-strategy=unsafe-best-match",  # NOTE: required because torch's index contains requests and that is preferred over pypi
+        "--universal",
+        "--generate-hashes",
+    ],
+    requirements_in = "requirements.in",
+    requirements_txt = "requirements.txt",
+)
+
+py_test(
+    name = "test",
+    srcs = ["test_load.py"],
+    main = "test_load.py",
+    deps = [
+        requirement("torch"),
+    ],
+)

examples/platform_specific_deps/MODULE.bazel

@@ -0,0 +1,31 @@
+module(
+    name = "platform_specific_deps",
+    version = "0.0.0",
+    compatibility_level = 1,
+)
+
+bazel_dep(name = "bazel_skylib", version = "1.7.1")
+bazel_dep(name = "rules_python", version = "0.0.0")
+
+# TODO: Replace with builtin uv support if it supports platform specific requirements output
+bazel_dep(name = "rules_uv", version = "0.42.0")
+
+local_path_override(
+    module_name = "rules_python",
+    path = "../..",
+)
+
+python = use_extension("@rules_python//python/extensions:python.bzl", "python")
+python.toolchain(
+    python_version = "3.11",
+)
+
+pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
+pip.parse(
+    download_only = True,
+    experimental_index_url = "https://pypi.org/simple",  # use Bazel downloader
+    hub_name = "pip",
+    python_version = "3.11",
+    requirements_lock = "requirements.txt",
+)
+use_repo(pip, "pip")

examples/platform_specific_deps/requirements.in

@@ -0,0 +1,3 @@
+--extra-index-url https://download.pytorch.org/whl/cpu
+torch==2.4.1; platform_machine != "x86_64"
+torch==2.4.1+cpu; platform_machine == "x86_64"

examples/platform_specific_deps/requirements.txt

@@ -0,0 +1,107 @@
+# This file was autogenerated by uv via the following command:
+#    bazel run @@//:generate_requirements
+--index-url https://pypi.org/simple
+--extra-index-url https://download.pytorch.org/whl/cpu
+
+filelock==3.16.1 \
+    --hash=sha256:2082e5703d51fbf98ea75855d9d5527e33d8ff23099bec374a134febee6946b0 \
+    --hash=sha256:c249fbfcd5db47e5e2d6d62198e565475ee65e4831e2561c8e313fa7eb961435
+    # via torch
+fsspec==2024.10.0 \
+    --hash=sha256:03b9a6785766a4de40368b88906366755e2819e758b83705c88cd7cb5fe81871 \
+    --hash=sha256:eda2d8a4116d4f2429db8550f2457da57279247dd930bb12f821b58391359493
+    # via torch
+jinja2==3.1.4 \
+    --hash=sha256:4a3aee7acbbe7303aede8e9648d13b8bf88a429282aa6122a993f0ac800cb369 \
+    --hash=sha256:bc5dd2abb727a5319567b7a813e6a2e7318c39f4f487cfe6c89c6f9c7d25197d
+    # via torch
+markupsafe==3.0.1 \
+    --hash=sha256:0778de17cff1acaeccc3ff30cd99a3fd5c50fc58ad3d6c0e0c4c58092b859396 \
+    --hash=sha256:0f84af7e813784feb4d5e4ff7db633aba6c8ca64a833f61d8e4eade234ef0c38 \
+    --hash=sha256:17b2aea42a7280db02ac644db1d634ad47dcc96faf38ab304fe26ba2680d359a \
+    --hash=sha256:242d6860f1fd9191aef5fae22b51c5c19767f93fb9ead4d21924e0bcb17619d8 \
+    --hash=sha256:244dbe463d5fb6d7ce161301a03a6fe744dac9072328ba9fc82289238582697b \
+    --hash=sha256:26627785a54a947f6d7336ce5963569b5d75614619e75193bdb4e06e21d447ad \
+    --hash=sha256:2a4b34a8d14649315c4bc26bbfa352663eb51d146e35eef231dd739d54a5430a \
+    --hash=sha256:2ae99f31f47d849758a687102afdd05bd3d3ff7dbab0a8f1587981b58a76152a \
+    --hash=sha256:312387403cd40699ab91d50735ea7a507b788091c416dd007eac54434aee51da \
+    --hash=sha256:3341c043c37d78cc5ae6e3e305e988532b072329639007fd408a476642a89fd6 \
+    --hash=sha256:33d1c36b90e570ba7785dacd1faaf091203d9942bc036118fab8110a401eb1a8 \
+    --hash=sha256:3e683ee4f5d0fa2dde4db77ed8dd8a876686e3fc417655c2ece9a90576905344 \
+    --hash=sha256:3ffb4a8e7d46ed96ae48805746755fadd0909fea2306f93d5d8233ba23dda12a \
+    --hash=sha256:40621d60d0e58aa573b68ac5e2d6b20d44392878e0bfc159012a5787c4e35bc8 \
+    --hash=sha256:40f1e10d51c92859765522cbd79c5c8989f40f0419614bcdc5015e7b6bf97fc5 \
+    --hash=sha256:45d42d132cff577c92bfba536aefcfea7e26efb975bd455db4e6602f5c9f45e7 \
+    --hash=sha256:48488d999ed50ba8d38c581d67e496f955821dc183883550a6fbc7f1aefdc170 \
+    --hash=sha256:4935dd7883f1d50e2ffecca0aa33dc1946a94c8f3fdafb8df5c330e48f71b132 \
+    --hash=sha256:4c2d64fdba74ad16138300815cfdc6ab2f4647e23ced81f59e940d7d4a1469d9 \
+    --hash=sha256:4c8817557d0de9349109acb38b9dd570b03cc5014e8aabf1cbddc6e81005becd \
+    --hash=sha256:4ffaaac913c3f7345579db4f33b0020db693f302ca5137f106060316761beea9 \
+    --hash=sha256:5a4cb365cb49b750bdb60b846b0c0bc49ed62e59a76635095a179d440540c346 \
+    --hash=sha256:62fada2c942702ef8952754abfc1a9f7658a4d5460fabe95ac7ec2cbe0d02abc \
+    --hash=sha256:67c519635a4f64e495c50e3107d9b4075aec33634272b5db1cde839e07367589 \
+    --hash=sha256:6a54c43d3ec4cf2a39f4387ad044221c66a376e58c0d0e971d47c475ba79c6b5 \
+    --hash=sha256:7044312a928a66a4c2a22644147bc61a199c1709712069a344a3fb5cfcf16915 \
+    --hash=sha256:730d86af59e0e43ce277bb83970530dd223bf7f2a838e086b50affa6ec5f9295 \
+    --hash=sha256:800100d45176652ded796134277ecb13640c1a537cad3b8b53da45aa96330453 \
+    --hash=sha256:80fcbf3add8790caddfab6764bde258b5d09aefbe9169c183f88a7410f0f6dea \
+    --hash=sha256:82b5dba6eb1bcc29cc305a18a3c5365d2af06ee71b123216416f7e20d2a84e5b \
+    --hash=sha256:852dc840f6d7c985603e60b5deaae1d89c56cb038b577f6b5b8c808c97580f1d \
+    --hash=sha256:8ad4ad1429cd4f315f32ef263c1342166695fad76c100c5d979c45d5570ed58b \
+    --hash=sha256:8ae369e84466aa70f3154ee23c1451fda10a8ee1b63923ce76667e3077f2b0c4 \
+    --hash=sha256:93e8248d650e7e9d49e8251f883eed60ecbc0e8ffd6349e18550925e31bd029b \
+    --hash=sha256:973a371a55ce9ed333a3a0f8e0bcfae9e0d637711534bcb11e130af2ab9334e7 \
+    --hash=sha256:9ba25a71ebf05b9bb0e2ae99f8bc08a07ee8e98c612175087112656ca0f5c8bf \
+    --hash=sha256:a10860e00ded1dd0a65b83e717af28845bb7bd16d8ace40fe5531491de76b79f \
+    --hash=sha256:a4792d3b3a6dfafefdf8e937f14906a51bd27025a36f4b188728a73382231d91 \
+    --hash=sha256:a7420ceda262dbb4b8d839a4ec63d61c261e4e77677ed7c66c99f4e7cb5030dd \
+    --hash=sha256:ad91738f14eb8da0ff82f2acd0098b6257621410dcbd4df20aaa5b4233d75a50 \
+    --hash=sha256:b6a387d61fe41cdf7ea95b38e9af11cfb1a63499af2759444b99185c4ab33f5b \
+    --hash=sha256:b954093679d5750495725ea6f88409946d69cfb25ea7b4c846eef5044194f583 \
+    --hash=sha256:bbde71a705f8e9e4c3e9e33db69341d040c827c7afa6789b14c6e16776074f5a \
+    --hash=sha256:beeebf760a9c1f4c07ef6a53465e8cfa776ea6a2021eda0d0417ec41043fe984 \
+    --hash=sha256:c91b394f7601438ff79a4b93d16be92f216adb57d813a78be4446fe0f6bc2d8c \
+    --hash=sha256:c97ff7fedf56d86bae92fa0a646ce1a0ec7509a7578e1ed238731ba13aabcd1c \
+    --hash=sha256:cb53e2a99df28eee3b5f4fea166020d3ef9116fdc5764bc5117486e6d1211b25 \
+    --hash=sha256:cbf445eb5628981a80f54087f9acdbf84f9b7d862756110d172993b9a5ae81aa \
+    --hash=sha256:d06b24c686a34c86c8c1fba923181eae6b10565e4d80bdd7bc1c8e2f11247aa4 \
+    --hash=sha256:d98e66a24497637dd31ccab090b34392dddb1f2f811c4b4cd80c230205c074a3 \
+    --hash=sha256:db15ce28e1e127a0013dfb8ac243a8e392db8c61eae113337536edb28bdc1f97 \
+    --hash=sha256:db842712984e91707437461930e6011e60b39136c7331e971952bb30465bc1a1 \
+    --hash=sha256:e24bfe89c6ac4c31792793ad9f861b8f6dc4546ac6dc8f1c9083c7c4f2b335cd \
+    --hash=sha256:e81c52638315ff4ac1b533d427f50bc0afc746deb949210bc85f05d4f15fd772 \
+    --hash=sha256:e9393357f19954248b00bed7c56f29a25c930593a77630c719653d51e7669c2a \
+    --hash=sha256:ee3941769bd2522fe39222206f6dd97ae83c442a94c90f2b7a25d847d40f4729 \
+    --hash=sha256:f31ae06f1328595d762c9a2bf29dafd8621c7d3adc130cbb46278079758779ca \
+    --hash=sha256:f94190df587738280d544971500b9cafc9b950d32efcb1fba9ac10d84e6aa4e6 \
+    --hash=sha256:fa7d686ed9883f3d664d39d5a8e74d3c5f63e603c2e3ff0abcba23eac6542635 \
+    --hash=sha256:fb532dd9900381d2e8f48172ddc5a59db4c445a11b9fab40b3b786da40d3b56b \
+    --hash=sha256:fe32482b37b4b00c7a52a07211b479653b7fe4f22b2e481b9a9b099d8a430f2f
+    # via jinja2
+mpmath==1.3.0 \
+    --hash=sha256:a0b2b9fe80bbcd81a6647ff13108738cfb482d481d826cc0e02f5b35e5c88d2c
+    # via sympy
+networkx==3.4.2 \
+    --hash=sha256:307c3669428c5362aab27c8a1260aa8f47c4e91d3891f48be0141738d8d053e1 \
+    --hash=sha256:df5d4365b724cf81b8c6a7312509d0c22386097011ad1abe274afd5e9d3bbc5f
+    # via torch
+sympy==1.13.3 \
+    --hash=sha256:54612cf55a62755ee71824ce692986f23c88ffa77207b30c1368eda4a7060f73 \
+    --hash=sha256:b27fd2c6530e0ab39e275fc9b683895367e51d5da91baa8d3d64db2565fec4d9
+    # via torch
+torch==2.4.1+cpu \
+    --hash=sha256:0c0a7cc4f7c74ff024d5a5e21230a01289b65346b27a626f6c815d94b4b8c955 \
+    --hash=sha256:1dd062d296fb78aa7cfab8690bf03704995a821b5ef69cfc807af5c0831b4202 \
+    --hash=sha256:2b03e20f37557d211d14e3fb3f71709325336402db132a1e0dd8b47392185baf \
+    --hash=sha256:330e780f478707478f797fdc82c2a96e9b8c5f60b6f1f57bb6ad1dd5b1e7e97e \
+    --hash=sha256:3a570e5c553415cdbddfe679207327b3a3806b21c6adea14fba77684d1619e97 \
+    --hash=sha256:3c99506980a2fb4b634008ccb758f42dd82f93ae2830c1e41f64536e310bf562 \
+    --hash=sha256:76a6fe7b10491b650c630bc9ae328df40f79a948296b41d3b087b29a8a63cbad \
+    --hash=sha256:833490a28ac156762ed6adaa7c695879564fa2fd0dc51bcf3fdb2c7b47dc55e6 \
+    --hash=sha256:8800deef0026011d502c0c256cc4b67d002347f63c3a38cd8e45f1f445c61364 \
+    --hash=sha256:c4f2c3c026e876d4dad7629170ec14fff48c076d6c2ae0e354ab3fdc09024f00
+    # via -r requirements.in
+typing-extensions==4.12.2 \
+    --hash=sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d \
+    --hash=sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8
+    # via torch

examples/platform_specific_deps/test_load.py

@@ -0,0 +1,3 @@
+import torch  # This verifies the deps were loaded as expected for the current platform
+
+print("worked!")