feat: multi-toolchain support (#846)
* feat: multi-toolchain support
This adds support for multiple Python versions on the same Bazel
workspace.
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* feat: cross-version testing
A py_test using 3.10 runs a py_binary using 3.9.
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: error message
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* doc: add link to bazelbuild/bazel PR fixing expand_location
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: set environment variables for py_binary too
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* test: extra case for default version taking another version
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: fail if args attribute is set
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: remove confusing output with same target name
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: buildifier
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* revert: use testing.TestEnvironment
See comment in code for the reasons.
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: linting issues
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: black linter
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: move tests to a sub-dir
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* feat: add multi_pip_parse
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: add missing aliases
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: use requirement function in example
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: deleted packages
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: update generated docs
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: version checking of the rule is already done by other tests
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: add python_interpreter_target to multi_pip_parse
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: windows
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: unify py_test and py_binary transition impls
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: test compatible with all platforms
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* rebase: adjust multi_python_versions on ci
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: use usr flags instead of platforms in transition
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: rename rule -> rule_impl
This avoids confusion with the global `rule`
https://bazel.build/rules/lib/globals#rule.
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: reduce repetition of args
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: missing test and binary-specific attributes
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: add srcs and deps attrs for path expansion
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: missing bazel_skylib on integration tests
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* refactor: use ctx.target_platform_has_constraint over select
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* doc: why symlink <name>.zip under Windows
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: apply suggestions from code review
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: use incoming edge transitions
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: use RunEnvironmentInfo when available
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
* fix: cfg should be target not exec
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
Signed-off-by: Thulio Ferraz Assis <3149049+f0rmiga@users.noreply.github.com>
diff --git a/examples/multi_python_versions/.bazelrc b/examples/multi_python_versions/.bazelrc
new file mode 100644
index 0000000..f23315a
--- /dev/null
+++ b/examples/multi_python_versions/.bazelrc
@@ -0,0 +1,5 @@
+test --test_output=errors
+
+# Windows requires these for multi-python support:
+build --enable_runfiles
+startup --windows_enable_symlinks
diff --git a/examples/multi_python_versions/.gitignore b/examples/multi_python_versions/.gitignore
new file mode 100644
index 0000000..ac51a05
--- /dev/null
+++ b/examples/multi_python_versions/.gitignore
@@ -0,0 +1 @@
+bazel-*
diff --git a/examples/multi_python_versions/WORKSPACE b/examples/multi_python_versions/WORKSPACE
new file mode 100644
index 0000000..9a6676e
--- /dev/null
+++ b/examples/multi_python_versions/WORKSPACE
@@ -0,0 +1,59 @@
+workspace(name = "rules_python_multi_python_versions")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+ name = "bazel_skylib",
+ sha256 = "c6966ec828da198c5d9adbaa94c05e3a1c7f21bd012a0b29ba8ddbccb2c93b0d",
+ urls = [
+ "https://github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
+ "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
+ ],
+)
+
+local_repository(
+ name = "rules_python",
+ path = "../..",
+)
+
+load("@rules_python//python/pip_install:repositories.bzl", "pip_install_dependencies")
+
+pip_install_dependencies()
+
+load("@rules_python//python:repositories.bzl", "python_register_multi_toolchains")
+
+default_python_version = "3.9"
+
+python_register_multi_toolchains(
+ name = "python",
+ default_version = default_python_version,
+ python_versions = [
+ "3.8",
+ "3.9",
+ "3.10",
+ ],
+)
+
+load("@python//:pip.bzl", "multi_pip_parse")
+load("@python//3.10:defs.bzl", interpreter_3_10 = "interpreter")
+load("@python//3.8:defs.bzl", interpreter_3_8 = "interpreter")
+load("@python//3.9:defs.bzl", interpreter_3_9 = "interpreter")
+
+multi_pip_parse(
+ name = "pypi",
+ default_version = default_python_version,
+ python_interpreter_target = {
+ "3.10": interpreter_3_10,
+ "3.8": interpreter_3_8,
+ "3.9": interpreter_3_9,
+ },
+ requirements_lock = {
+ "3.10": "//requirements:requirements_lock_3_10.txt",
+ "3.8": "//requirements:requirements_lock_3_8.txt",
+ "3.9": "//requirements:requirements_lock_3_9.txt",
+ },
+)
+
+load("@pypi//:requirements.bzl", "install_deps")
+
+install_deps()
diff --git a/examples/multi_python_versions/libs/my_lib/BUILD.bazel b/examples/multi_python_versions/libs/my_lib/BUILD.bazel
new file mode 100644
index 0000000..8c29f60
--- /dev/null
+++ b/examples/multi_python_versions/libs/my_lib/BUILD.bazel
@@ -0,0 +1,9 @@
+load("@pypi//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library")
+
+py_library(
+ name = "my_lib",
+ srcs = ["__init__.py"],
+ visibility = ["@//tests:__pkg__"],
+ deps = [requirement("websockets")],
+)
diff --git a/examples/multi_python_versions/libs/my_lib/__init__.py b/examples/multi_python_versions/libs/my_lib/__init__.py
new file mode 100644
index 0000000..3f02b96
--- /dev/null
+++ b/examples/multi_python_versions/libs/my_lib/__init__.py
@@ -0,0 +1,5 @@
+import websockets
+
+
+def websockets_is_for_python_version(sanitized_version_check):
+ return f"pypi_{sanitized_version_check}_websockets" in websockets.__file__
diff --git a/examples/multi_python_versions/requirements/BUILD.bazel b/examples/multi_python_versions/requirements/BUILD.bazel
new file mode 100644
index 0000000..4848fab
--- /dev/null
+++ b/examples/multi_python_versions/requirements/BUILD.bazel
@@ -0,0 +1,24 @@
+load("@python//3.10:defs.bzl", compile_pip_requirements_3_10 = "compile_pip_requirements")
+load("@python//3.8:defs.bzl", compile_pip_requirements_3_8 = "compile_pip_requirements")
+load("@python//3.9:defs.bzl", compile_pip_requirements_3_9 = "compile_pip_requirements")
+
+compile_pip_requirements_3_8(
+ name = "requirements_3_8",
+ extra_args = ["--allow-unsafe"],
+ requirements_in = "requirements.in",
+ requirements_txt = "requirements_lock_3_8.txt",
+)
+
+compile_pip_requirements_3_9(
+ name = "requirements_3_9",
+ extra_args = ["--allow-unsafe"],
+ requirements_in = "requirements.in",
+ requirements_txt = "requirements_lock_3_9.txt",
+)
+
+compile_pip_requirements_3_10(
+ name = "requirements_3_10",
+ extra_args = ["--allow-unsafe"],
+ requirements_in = "requirements.in",
+ requirements_txt = "requirements_lock_3_10.txt",
+)
diff --git a/examples/multi_python_versions/requirements/requirements.in b/examples/multi_python_versions/requirements/requirements.in
new file mode 100644
index 0000000..14774b4
--- /dev/null
+++ b/examples/multi_python_versions/requirements/requirements.in
@@ -0,0 +1 @@
+websockets
diff --git a/examples/multi_python_versions/requirements/requirements_lock_3_10.txt b/examples/multi_python_versions/requirements/requirements_lock_3_10.txt
new file mode 100644
index 0000000..0e332bf
--- /dev/null
+++ b/examples/multi_python_versions/requirements/requirements_lock_3_10.txt
@@ -0,0 +1,56 @@
+#
+# This file is autogenerated by pip-compile with python 3.10
+# To update, run:
+#
+# bazel run //requirements:requirements_3_10.update
+#
+websockets==10.3 \
+ --hash=sha256:07cdc0a5b2549bcfbadb585ad8471ebdc7bdf91e32e34ae3889001c1c106a6af \
+ --hash=sha256:210aad7fdd381c52e58777560860c7e6110b6174488ef1d4b681c08b68bf7f8c \
+ --hash=sha256:28dd20b938a57c3124028680dc1600c197294da5db4292c76a0b48efb3ed7f76 \
+ --hash=sha256:2f94fa3ae454a63ea3a19f73b95deeebc9f02ba2d5617ca16f0bbdae375cda47 \
+ --hash=sha256:31564a67c3e4005f27815634343df688b25705cccb22bc1db621c781ddc64c69 \
+ --hash=sha256:347974105bbd4ea068106ec65e8e8ebd86f28c19e529d115d89bd8cc5cda3079 \
+ --hash=sha256:379e03422178436af4f3abe0aa8f401aa77ae2487843738542a75faf44a31f0c \
+ --hash=sha256:3eda1cb7e9da1b22588cefff09f0951771d6ee9fa8dbe66f5ae04cc5f26b2b55 \
+ --hash=sha256:51695d3b199cd03098ae5b42833006a0f43dc5418d3102972addc593a783bc02 \
+ --hash=sha256:54c000abeaff6d8771a4e2cef40900919908ea7b6b6a30eae72752607c6db559 \
+ --hash=sha256:5b936bf552e4f6357f5727579072ff1e1324717902127ffe60c92d29b67b7be3 \
+ --hash=sha256:6075fd24df23133c1b078e08a9b04a3bc40b31a8def4ee0b9f2c8865acce913e \
+ --hash=sha256:661f641b44ed315556a2fa630239adfd77bd1b11cb0b9d96ed8ad90b0b1e4978 \
+ --hash=sha256:6ea6b300a6bdd782e49922d690e11c3669828fe36fc2471408c58b93b5535a98 \
+ --hash=sha256:6ed1d6f791eabfd9808afea1e068f5e59418e55721db8b7f3bfc39dc831c42ae \
+ --hash=sha256:7934e055fd5cd9dee60f11d16c8d79c4567315824bacb1246d0208a47eca9755 \
+ --hash=sha256:7ab36e17af592eec5747c68ef2722a74c1a4a70f3772bc661079baf4ae30e40d \
+ --hash=sha256:7f6d96fdb0975044fdd7953b35d003b03f9e2bcf85f2d2cf86285ece53e9f991 \
+ --hash=sha256:83e5ca0d5b743cde3d29fda74ccab37bdd0911f25bd4cdf09ff8b51b7b4f2fa1 \
+ --hash=sha256:85506b3328a9e083cc0a0fb3ba27e33c8db78341b3eb12eb72e8afd166c36680 \
+ --hash=sha256:8af75085b4bc0b5c40c4a3c0e113fa95e84c60f4ed6786cbb675aeb1ee128247 \
+ --hash=sha256:8b1359aba0ff810d5830d5ab8e2c4a02bebf98a60aa0124fb29aa78cfdb8031f \
+ --hash=sha256:8fbd7d77f8aba46d43245e86dd91a8970eac4fb74c473f8e30e9c07581f852b2 \
+ --hash=sha256:907e8247480f287aa9bbc9391bd6de23c906d48af54c8c421df84655eef66af7 \
+ --hash=sha256:93d5ea0b5da8d66d868b32c614d2b52d14304444e39e13a59566d4acb8d6e2e4 \
+ --hash=sha256:97bc9d41e69a7521a358f9b8e44871f6cdeb42af31815c17aed36372d4eec667 \
+ --hash=sha256:994cdb1942a7a4c2e10098d9162948c9e7b235df755de91ca33f6e0481366fdb \
+ --hash=sha256:a141de3d5a92188234afa61653ed0bbd2dde46ad47b15c3042ffb89548e77094 \
+ --hash=sha256:a1e15b230c3613e8ea82c9fc6941b2093e8eb939dd794c02754d33980ba81e36 \
+ --hash=sha256:aad5e300ab32036eb3fdc350ad30877210e2f51bceaca83fb7fef4d2b6c72b79 \
+ --hash=sha256:b529fdfa881b69fe563dbd98acce84f3e5a67df13de415e143ef053ff006d500 \
+ --hash=sha256:b9c77f0d1436ea4b4dc089ed8335fa141e6a251a92f75f675056dac4ab47a71e \
+ --hash=sha256:bb621ec2dbbbe8df78a27dbd9dd7919f9b7d32a73fafcb4d9252fc4637343582 \
+ --hash=sha256:c7250848ce69559756ad0086a37b82c986cd33c2d344ab87fea596c5ac6d9442 \
+ --hash=sha256:c8d1d14aa0f600b5be363077b621b1b4d1eb3fbf90af83f9281cda668e6ff7fd \
+ --hash=sha256:d1655a6fc7aecd333b079d00fb3c8132d18988e47f19740c69303bf02e9883c6 \
+ --hash=sha256:d6353ba89cfc657a3f5beabb3b69be226adbb5c6c7a66398e17809b0ce3c4731 \
+ --hash=sha256:da4377904a3379f0c1b75a965fff23b28315bcd516d27f99a803720dfebd94d4 \
+ --hash=sha256:e49ea4c1a9543d2bd8a747ff24411509c29e4bdcde05b5b0895e2120cb1a761d \
+ --hash=sha256:e4e08305bfd76ba8edab08dcc6496f40674f44eb9d5e23153efa0a35750337e8 \
+ --hash=sha256:e6fa05a680e35d0fcc1470cb070b10e6fe247af54768f488ed93542e71339d6f \
+ --hash=sha256:e7e6f2d6fd48422071cc8a6f8542016f350b79cc782752de531577d35e9bd677 \
+ --hash=sha256:e904c0381c014b914136c492c8fa711ca4cced4e9b3d110e5e7d436d0fc289e8 \
+ --hash=sha256:ec2b0ab7edc8cd4b0eb428b38ed89079bdc20c6bdb5f889d353011038caac2f9 \
+ --hash=sha256:ef5ce841e102278c1c2e98f043db99d6755b1c58bde475516aef3a008ed7f28e \
+ --hash=sha256:f351c7d7d92f67c0609329ab2735eee0426a03022771b00102816a72715bb00b \
+ --hash=sha256:fab7c640815812ed5f10fbee7abbf58788d602046b7bb3af9b1ac753a6d5e916 \
+ --hash=sha256:fc06cc8073c8e87072138ba1e431300e2d408f054b27047d047b549455066ff4
+ # via -r requirements/requirements.in
diff --git a/examples/multi_python_versions/requirements/requirements_lock_3_8.txt b/examples/multi_python_versions/requirements/requirements_lock_3_8.txt
new file mode 100644
index 0000000..30419da
--- /dev/null
+++ b/examples/multi_python_versions/requirements/requirements_lock_3_8.txt
@@ -0,0 +1,56 @@
+#
+# This file is autogenerated by pip-compile with python 3.8
+# To update, run:
+#
+# bazel run //requirements:requirements_3_8.update
+#
+websockets==10.3 \
+ --hash=sha256:07cdc0a5b2549bcfbadb585ad8471ebdc7bdf91e32e34ae3889001c1c106a6af \
+ --hash=sha256:210aad7fdd381c52e58777560860c7e6110b6174488ef1d4b681c08b68bf7f8c \
+ --hash=sha256:28dd20b938a57c3124028680dc1600c197294da5db4292c76a0b48efb3ed7f76 \
+ --hash=sha256:2f94fa3ae454a63ea3a19f73b95deeebc9f02ba2d5617ca16f0bbdae375cda47 \
+ --hash=sha256:31564a67c3e4005f27815634343df688b25705cccb22bc1db621c781ddc64c69 \
+ --hash=sha256:347974105bbd4ea068106ec65e8e8ebd86f28c19e529d115d89bd8cc5cda3079 \
+ --hash=sha256:379e03422178436af4f3abe0aa8f401aa77ae2487843738542a75faf44a31f0c \
+ --hash=sha256:3eda1cb7e9da1b22588cefff09f0951771d6ee9fa8dbe66f5ae04cc5f26b2b55 \
+ --hash=sha256:51695d3b199cd03098ae5b42833006a0f43dc5418d3102972addc593a783bc02 \
+ --hash=sha256:54c000abeaff6d8771a4e2cef40900919908ea7b6b6a30eae72752607c6db559 \
+ --hash=sha256:5b936bf552e4f6357f5727579072ff1e1324717902127ffe60c92d29b67b7be3 \
+ --hash=sha256:6075fd24df23133c1b078e08a9b04a3bc40b31a8def4ee0b9f2c8865acce913e \
+ --hash=sha256:661f641b44ed315556a2fa630239adfd77bd1b11cb0b9d96ed8ad90b0b1e4978 \
+ --hash=sha256:6ea6b300a6bdd782e49922d690e11c3669828fe36fc2471408c58b93b5535a98 \
+ --hash=sha256:6ed1d6f791eabfd9808afea1e068f5e59418e55721db8b7f3bfc39dc831c42ae \
+ --hash=sha256:7934e055fd5cd9dee60f11d16c8d79c4567315824bacb1246d0208a47eca9755 \
+ --hash=sha256:7ab36e17af592eec5747c68ef2722a74c1a4a70f3772bc661079baf4ae30e40d \
+ --hash=sha256:7f6d96fdb0975044fdd7953b35d003b03f9e2bcf85f2d2cf86285ece53e9f991 \
+ --hash=sha256:83e5ca0d5b743cde3d29fda74ccab37bdd0911f25bd4cdf09ff8b51b7b4f2fa1 \
+ --hash=sha256:85506b3328a9e083cc0a0fb3ba27e33c8db78341b3eb12eb72e8afd166c36680 \
+ --hash=sha256:8af75085b4bc0b5c40c4a3c0e113fa95e84c60f4ed6786cbb675aeb1ee128247 \
+ --hash=sha256:8b1359aba0ff810d5830d5ab8e2c4a02bebf98a60aa0124fb29aa78cfdb8031f \
+ --hash=sha256:8fbd7d77f8aba46d43245e86dd91a8970eac4fb74c473f8e30e9c07581f852b2 \
+ --hash=sha256:907e8247480f287aa9bbc9391bd6de23c906d48af54c8c421df84655eef66af7 \
+ --hash=sha256:93d5ea0b5da8d66d868b32c614d2b52d14304444e39e13a59566d4acb8d6e2e4 \
+ --hash=sha256:97bc9d41e69a7521a358f9b8e44871f6cdeb42af31815c17aed36372d4eec667 \
+ --hash=sha256:994cdb1942a7a4c2e10098d9162948c9e7b235df755de91ca33f6e0481366fdb \
+ --hash=sha256:a141de3d5a92188234afa61653ed0bbd2dde46ad47b15c3042ffb89548e77094 \
+ --hash=sha256:a1e15b230c3613e8ea82c9fc6941b2093e8eb939dd794c02754d33980ba81e36 \
+ --hash=sha256:aad5e300ab32036eb3fdc350ad30877210e2f51bceaca83fb7fef4d2b6c72b79 \
+ --hash=sha256:b529fdfa881b69fe563dbd98acce84f3e5a67df13de415e143ef053ff006d500 \
+ --hash=sha256:b9c77f0d1436ea4b4dc089ed8335fa141e6a251a92f75f675056dac4ab47a71e \
+ --hash=sha256:bb621ec2dbbbe8df78a27dbd9dd7919f9b7d32a73fafcb4d9252fc4637343582 \
+ --hash=sha256:c7250848ce69559756ad0086a37b82c986cd33c2d344ab87fea596c5ac6d9442 \
+ --hash=sha256:c8d1d14aa0f600b5be363077b621b1b4d1eb3fbf90af83f9281cda668e6ff7fd \
+ --hash=sha256:d1655a6fc7aecd333b079d00fb3c8132d18988e47f19740c69303bf02e9883c6 \
+ --hash=sha256:d6353ba89cfc657a3f5beabb3b69be226adbb5c6c7a66398e17809b0ce3c4731 \
+ --hash=sha256:da4377904a3379f0c1b75a965fff23b28315bcd516d27f99a803720dfebd94d4 \
+ --hash=sha256:e49ea4c1a9543d2bd8a747ff24411509c29e4bdcde05b5b0895e2120cb1a761d \
+ --hash=sha256:e4e08305bfd76ba8edab08dcc6496f40674f44eb9d5e23153efa0a35750337e8 \
+ --hash=sha256:e6fa05a680e35d0fcc1470cb070b10e6fe247af54768f488ed93542e71339d6f \
+ --hash=sha256:e7e6f2d6fd48422071cc8a6f8542016f350b79cc782752de531577d35e9bd677 \
+ --hash=sha256:e904c0381c014b914136c492c8fa711ca4cced4e9b3d110e5e7d436d0fc289e8 \
+ --hash=sha256:ec2b0ab7edc8cd4b0eb428b38ed89079bdc20c6bdb5f889d353011038caac2f9 \
+ --hash=sha256:ef5ce841e102278c1c2e98f043db99d6755b1c58bde475516aef3a008ed7f28e \
+ --hash=sha256:f351c7d7d92f67c0609329ab2735eee0426a03022771b00102816a72715bb00b \
+ --hash=sha256:fab7c640815812ed5f10fbee7abbf58788d602046b7bb3af9b1ac753a6d5e916 \
+ --hash=sha256:fc06cc8073c8e87072138ba1e431300e2d408f054b27047d047b549455066ff4
+ # via -r requirements/requirements.in
diff --git a/examples/multi_python_versions/requirements/requirements_lock_3_9.txt b/examples/multi_python_versions/requirements/requirements_lock_3_9.txt
new file mode 100644
index 0000000..124355e
--- /dev/null
+++ b/examples/multi_python_versions/requirements/requirements_lock_3_9.txt
@@ -0,0 +1,56 @@
+#
+# This file is autogenerated by pip-compile with python 3.9
+# To update, run:
+#
+# bazel run //requirements:requirements_3_9.update
+#
+websockets==10.3 \
+ --hash=sha256:07cdc0a5b2549bcfbadb585ad8471ebdc7bdf91e32e34ae3889001c1c106a6af \
+ --hash=sha256:210aad7fdd381c52e58777560860c7e6110b6174488ef1d4b681c08b68bf7f8c \
+ --hash=sha256:28dd20b938a57c3124028680dc1600c197294da5db4292c76a0b48efb3ed7f76 \
+ --hash=sha256:2f94fa3ae454a63ea3a19f73b95deeebc9f02ba2d5617ca16f0bbdae375cda47 \
+ --hash=sha256:31564a67c3e4005f27815634343df688b25705cccb22bc1db621c781ddc64c69 \
+ --hash=sha256:347974105bbd4ea068106ec65e8e8ebd86f28c19e529d115d89bd8cc5cda3079 \
+ --hash=sha256:379e03422178436af4f3abe0aa8f401aa77ae2487843738542a75faf44a31f0c \
+ --hash=sha256:3eda1cb7e9da1b22588cefff09f0951771d6ee9fa8dbe66f5ae04cc5f26b2b55 \
+ --hash=sha256:51695d3b199cd03098ae5b42833006a0f43dc5418d3102972addc593a783bc02 \
+ --hash=sha256:54c000abeaff6d8771a4e2cef40900919908ea7b6b6a30eae72752607c6db559 \
+ --hash=sha256:5b936bf552e4f6357f5727579072ff1e1324717902127ffe60c92d29b67b7be3 \
+ --hash=sha256:6075fd24df23133c1b078e08a9b04a3bc40b31a8def4ee0b9f2c8865acce913e \
+ --hash=sha256:661f641b44ed315556a2fa630239adfd77bd1b11cb0b9d96ed8ad90b0b1e4978 \
+ --hash=sha256:6ea6b300a6bdd782e49922d690e11c3669828fe36fc2471408c58b93b5535a98 \
+ --hash=sha256:6ed1d6f791eabfd9808afea1e068f5e59418e55721db8b7f3bfc39dc831c42ae \
+ --hash=sha256:7934e055fd5cd9dee60f11d16c8d79c4567315824bacb1246d0208a47eca9755 \
+ --hash=sha256:7ab36e17af592eec5747c68ef2722a74c1a4a70f3772bc661079baf4ae30e40d \
+ --hash=sha256:7f6d96fdb0975044fdd7953b35d003b03f9e2bcf85f2d2cf86285ece53e9f991 \
+ --hash=sha256:83e5ca0d5b743cde3d29fda74ccab37bdd0911f25bd4cdf09ff8b51b7b4f2fa1 \
+ --hash=sha256:85506b3328a9e083cc0a0fb3ba27e33c8db78341b3eb12eb72e8afd166c36680 \
+ --hash=sha256:8af75085b4bc0b5c40c4a3c0e113fa95e84c60f4ed6786cbb675aeb1ee128247 \
+ --hash=sha256:8b1359aba0ff810d5830d5ab8e2c4a02bebf98a60aa0124fb29aa78cfdb8031f \
+ --hash=sha256:8fbd7d77f8aba46d43245e86dd91a8970eac4fb74c473f8e30e9c07581f852b2 \
+ --hash=sha256:907e8247480f287aa9bbc9391bd6de23c906d48af54c8c421df84655eef66af7 \
+ --hash=sha256:93d5ea0b5da8d66d868b32c614d2b52d14304444e39e13a59566d4acb8d6e2e4 \
+ --hash=sha256:97bc9d41e69a7521a358f9b8e44871f6cdeb42af31815c17aed36372d4eec667 \
+ --hash=sha256:994cdb1942a7a4c2e10098d9162948c9e7b235df755de91ca33f6e0481366fdb \
+ --hash=sha256:a141de3d5a92188234afa61653ed0bbd2dde46ad47b15c3042ffb89548e77094 \
+ --hash=sha256:a1e15b230c3613e8ea82c9fc6941b2093e8eb939dd794c02754d33980ba81e36 \
+ --hash=sha256:aad5e300ab32036eb3fdc350ad30877210e2f51bceaca83fb7fef4d2b6c72b79 \
+ --hash=sha256:b529fdfa881b69fe563dbd98acce84f3e5a67df13de415e143ef053ff006d500 \
+ --hash=sha256:b9c77f0d1436ea4b4dc089ed8335fa141e6a251a92f75f675056dac4ab47a71e \
+ --hash=sha256:bb621ec2dbbbe8df78a27dbd9dd7919f9b7d32a73fafcb4d9252fc4637343582 \
+ --hash=sha256:c7250848ce69559756ad0086a37b82c986cd33c2d344ab87fea596c5ac6d9442 \
+ --hash=sha256:c8d1d14aa0f600b5be363077b621b1b4d1eb3fbf90af83f9281cda668e6ff7fd \
+ --hash=sha256:d1655a6fc7aecd333b079d00fb3c8132d18988e47f19740c69303bf02e9883c6 \
+ --hash=sha256:d6353ba89cfc657a3f5beabb3b69be226adbb5c6c7a66398e17809b0ce3c4731 \
+ --hash=sha256:da4377904a3379f0c1b75a965fff23b28315bcd516d27f99a803720dfebd94d4 \
+ --hash=sha256:e49ea4c1a9543d2bd8a747ff24411509c29e4bdcde05b5b0895e2120cb1a761d \
+ --hash=sha256:e4e08305bfd76ba8edab08dcc6496f40674f44eb9d5e23153efa0a35750337e8 \
+ --hash=sha256:e6fa05a680e35d0fcc1470cb070b10e6fe247af54768f488ed93542e71339d6f \
+ --hash=sha256:e7e6f2d6fd48422071cc8a6f8542016f350b79cc782752de531577d35e9bd677 \
+ --hash=sha256:e904c0381c014b914136c492c8fa711ca4cced4e9b3d110e5e7d436d0fc289e8 \
+ --hash=sha256:ec2b0ab7edc8cd4b0eb428b38ed89079bdc20c6bdb5f889d353011038caac2f9 \
+ --hash=sha256:ef5ce841e102278c1c2e98f043db99d6755b1c58bde475516aef3a008ed7f28e \
+ --hash=sha256:f351c7d7d92f67c0609329ab2735eee0426a03022771b00102816a72715bb00b \
+ --hash=sha256:fab7c640815812ed5f10fbee7abbf58788d602046b7bb3af9b1ac753a6d5e916 \
+ --hash=sha256:fc06cc8073c8e87072138ba1e431300e2d408f054b27047d047b549455066ff4
+ # via -r requirements/requirements.in
diff --git a/examples/multi_python_versions/tests/BUILD.bazel b/examples/multi_python_versions/tests/BUILD.bazel
new file mode 100644
index 0000000..7219ca5
--- /dev/null
+++ b/examples/multi_python_versions/tests/BUILD.bazel
@@ -0,0 +1,148 @@
+load("@python//3.10:defs.bzl", py_binary_3_10 = "py_binary", py_test_3_10 = "py_test")
+load("@python//3.8:defs.bzl", py_binary_3_8 = "py_binary", py_test_3_8 = "py_test")
+load("@python//3.9:defs.bzl", py_binary_3_9 = "py_binary", py_test_3_9 = "py_test")
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
+
+py_binary(
+ name = "version_default",
+ srcs = ["version.py"],
+ main = "version.py",
+)
+
+py_binary_3_8(
+ name = "version_3_8",
+ srcs = ["version.py"],
+ main = "version.py",
+)
+
+py_binary_3_9(
+ name = "version_3_9",
+ srcs = ["version.py"],
+ main = "version.py",
+)
+
+py_binary_3_10(
+ name = "version_3_10",
+ srcs = ["version.py"],
+ main = "version.py",
+)
+
+py_test(
+ name = "my_lib_default_test",
+ srcs = ["my_lib_test.py"],
+ main = "my_lib_test.py",
+ deps = ["//libs/my_lib"],
+)
+
+py_test_3_8(
+ name = "my_lib_3_8_test",
+ srcs = ["my_lib_test.py"],
+ main = "my_lib_test.py",
+ deps = ["//libs/my_lib"],
+)
+
+py_test_3_9(
+ name = "my_lib_3_9_test",
+ srcs = ["my_lib_test.py"],
+ main = "my_lib_test.py",
+ deps = ["//libs/my_lib"],
+)
+
+py_test_3_10(
+ name = "my_lib_3_10_test",
+ srcs = ["my_lib_test.py"],
+ main = "my_lib_test.py",
+ deps = ["//libs/my_lib"],
+)
+
+py_test(
+ name = "version_default_test",
+ srcs = ["version_test.py"],
+ env = {"VERSION_CHECK": "3.9"}, # The default defined in the WORKSPACE.
+ main = "version_test.py",
+)
+
+py_test_3_8(
+ name = "version_3_8_test",
+ srcs = ["version_test.py"],
+ env = {"VERSION_CHECK": "3.8"},
+ main = "version_test.py",
+)
+
+py_test_3_9(
+ name = "version_3_9_test",
+ srcs = ["version_test.py"],
+ env = {"VERSION_CHECK": "3.9"},
+ main = "version_test.py",
+)
+
+py_test_3_10(
+ name = "version_3_10_test",
+ srcs = ["version_test.py"],
+ env = {"VERSION_CHECK": "3.10"},
+ main = "version_test.py",
+)
+
+py_test(
+ name = "version_default_takes_3_10_subprocess_test",
+ srcs = ["cross_version_test.py"],
+ data = [":version_3_10"],
+ env = {
+ "SUBPROCESS_VERSION_CHECK": "3.10",
+ "SUBPROCESS_VERSION_PY_BINARY": "$(rootpath :version_3_10)",
+ "VERSION_CHECK": "3.9",
+ },
+ main = "cross_version_test.py",
+)
+
+py_test_3_10(
+ name = "version_3_10_takes_3_9_subprocess_test",
+ srcs = ["cross_version_test.py"],
+ data = [":version_3_9"],
+ env = {
+ "SUBPROCESS_VERSION_CHECK": "3.9",
+ "SUBPROCESS_VERSION_PY_BINARY": "$(rootpath :version_3_9)",
+ "VERSION_CHECK": "3.10",
+ },
+ main = "cross_version_test.py",
+)
+
+sh_test(
+ name = "version_test_binary_default",
+ srcs = ["version_test.sh"],
+ data = [":version_default"],
+ env = {
+ "VERSION_CHECK": "3.9", # The default defined in the WORKSPACE.
+ "VERSION_PY_BINARY": "$(rootpath :version_default)",
+ },
+)
+
+sh_test(
+ name = "version_test_binary_3_8",
+ srcs = ["version_test.sh"],
+ data = [":version_3_8"],
+ env = {
+ "VERSION_CHECK": "3.8",
+ "VERSION_PY_BINARY": "$(rootpath :version_3_8)",
+ },
+)
+
+sh_test(
+ name = "version_test_binary_3_9",
+ srcs = ["version_test.sh"],
+ data = [":version_3_9"],
+ env = {
+ "VERSION_CHECK": "3.9",
+ "VERSION_PY_BINARY": "$(rootpath :version_3_9)",
+ },
+)
+
+sh_test(
+ name = "version_test_binary_3_10",
+ srcs = ["version_test.sh"],
+ data = [":version_3_10"],
+ env = {
+ "VERSION_CHECK": "3.10",
+ "VERSION_PY_BINARY": "$(rootpath :version_3_10)",
+ },
+)
diff --git a/examples/multi_python_versions/tests/cross_version_test.py b/examples/multi_python_versions/tests/cross_version_test.py
new file mode 100644
index 0000000..f933ed6
--- /dev/null
+++ b/examples/multi_python_versions/tests/cross_version_test.py
@@ -0,0 +1,25 @@
+import os
+import subprocess
+import sys
+
+process = subprocess.run(
+ [os.getenv("SUBPROCESS_VERSION_PY_BINARY")],
+ stdout=subprocess.PIPE,
+ universal_newlines=True,
+)
+
+subprocess_current = process.stdout.strip()
+subprocess_expected = os.getenv("SUBPROCESS_VERSION_CHECK")
+
+if subprocess_current != subprocess_expected:
+ print(
+ f"expected subprocess version '{subprocess_expected}' is different than returned '{subprocess_current}'"
+ )
+ sys.exit(1)
+
+expected = os.getenv("VERSION_CHECK")
+current = f"{sys.version_info.major}.{sys.version_info.minor}"
+
+if current != expected:
+ print(f"expected version '{expected}' is different than returned '{current}'")
+ sys.exit(1)
diff --git a/examples/multi_python_versions/tests/my_lib_test.py b/examples/multi_python_versions/tests/my_lib_test.py
new file mode 100644
index 0000000..4fc7095
--- /dev/null
+++ b/examples/multi_python_versions/tests/my_lib_test.py
@@ -0,0 +1,10 @@
+import os
+import sys
+
+import libs.my_lib as my_lib
+
+sanitized_version_check = f"{sys.version_info.major}_{sys.version_info.minor}"
+
+if not my_lib.websockets_is_for_python_version(sanitized_version_check):
+ print("expected package for Python version is different than returned")
+ sys.exit(1)
diff --git a/examples/multi_python_versions/tests/version.py b/examples/multi_python_versions/tests/version.py
new file mode 100644
index 0000000..1007a14
--- /dev/null
+++ b/examples/multi_python_versions/tests/version.py
@@ -0,0 +1,3 @@
+import sys
+
+print(f"{sys.version_info.major}.{sys.version_info.minor}")
diff --git a/examples/multi_python_versions/tests/version_test.py b/examples/multi_python_versions/tests/version_test.py
new file mode 100644
index 0000000..305773c
--- /dev/null
+++ b/examples/multi_python_versions/tests/version_test.py
@@ -0,0 +1,9 @@
+import os
+import sys
+
+expected = os.getenv("VERSION_CHECK")
+current = f"{sys.version_info.major}.{sys.version_info.minor}"
+
+if current != expected:
+ print(f"expected version '{expected}' is different than returned '{current}'")
+ sys.exit(1)
diff --git a/examples/multi_python_versions/tests/version_test.sh b/examples/multi_python_versions/tests/version_test.sh
new file mode 100755
index 0000000..b8f510d
--- /dev/null
+++ b/examples/multi_python_versions/tests/version_test.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+
+version_py_binary=$("${VERSION_PY_BINARY}")
+
+if [[ "${version_py_binary}" != "${VERSION_CHECK}" ]]; then
+ echo >&2 "expected version '${VERSION_CHECK}' is different than returned '${version_py_binary}'"
+ exit 1
+fi
