Downgrade hermetic python to 3.8 (ray-project#35198)

And build dependencies with 3.7.

Signed-off-by: Lonnie Liu <lonnie@anyscale.com>

WORKSPACE

@@ -41,12 +41,12 @@ http_archive(
 load("@rules_python//python:repositories.bzl", "python_register_toolchains")
 
 python_register_toolchains(
-    name = "python3_9",
-    python_version = "3.9",
+    name = "python3_8",
+    python_version = "3.8",
     register_toolchains = False,
 )
 
-load("@python3_9//:defs.bzl", bk_python = "interpreter")
+load("@python3_8//:defs.bzl", bk_python = "interpreter")
 load("@rules_python//python/pip_install:repositories.bzl", "pip_install_dependencies")
 
 pip_install_dependencies()

release/BUILD

@@ -1,7 +1,7 @@
 load("@rules_python//python:defs.bzl", "py_library", "py_runtime", "py_runtime_pair", "py_test")
 load("@rules_python//python:pip.bzl", "compile_pip_requirements")
 load("@py_deps_buildkite//:requirements.bzl", bk_require = "requirement")
-load("@python3_9//:defs.bzl", bk_python = "interpreter")
+load("@python3_8//:defs.bzl", bk_python = "interpreter")
 
 compile_pip_requirements(
     name = "requirements_buildkite",

release/requirements_buildkite.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with python 3.9
+# This file is autogenerated by pip-compile with python 3.7
 # To update, run:
 #
 #    bazel run //release:requirements_buildkite.update
@@ -131,24 +131,48 @@ async-timeout==4.0.2 \
     --hash=sha256:2163e1640ddb52b7a8c80d0a67a08587e5d245cc9c553a74a847056bc2976b15 \
     --hash=sha256:8ca1e4fcf50d07413d66d1a5e416e42cfdf5851c981d679a09851a6853383b3c
     # via aiohttp
+asynctest==0.13.0 \
+    --hash=sha256:5da6118a7e6d6b54d83a8f7197769d046922a44d2a99c21382f0a6e4fadae676 \
+    --hash=sha256:c27862842d15d83e6a34eb0b2866c323880eb3a75e4485b079ea11748fd77fac
+    # via aiohttp
 attrs==23.1.0 \
     --hash=sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04 \
     --hash=sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015
     # via
     #   aiohttp
     #   jsonschema
+backports-zoneinfo==0.2.1 \
+    --hash=sha256:17746bd546106fa389c51dbea67c8b7c8f0d14b5526a579ca6ccf5ed72c526cf \
+    --hash=sha256:1b13e654a55cd45672cb54ed12148cd33628f672548f373963b0bff67b217328 \
+    --hash=sha256:1c5742112073a563c81f786e77514969acb58649bcdf6cdf0b4ed31a348d4546 \
+    --hash=sha256:4a0f800587060bf8880f954dbef70de6c11bbe59c673c3d818921f042f9954a6 \
+    --hash=sha256:5c144945a7752ca544b4b78c8c41544cdfaf9786f25fe5ffb10e838e19a27570 \
+    --hash=sha256:7b0a64cda4145548fed9efc10322770f929b944ce5cee6c0dfe0c87bf4c0c8c9 \
+    --hash=sha256:8439c030a11780786a2002261569bdf362264f605dfa4d65090b64b05c9f79a7 \
+    --hash=sha256:8961c0f32cd0336fb8e8ead11a1f8cd99ec07145ec2931122faaac1c8f7fd987 \
+    --hash=sha256:89a48c0d158a3cc3f654da4c2de1ceba85263fafb861b98b59040a5086259722 \
+    --hash=sha256:a76b38c52400b762e48131494ba26be363491ac4f9a04c1b7e92483d169f6582 \
+    --hash=sha256:da6013fd84a690242c310d77ddb8441a559e9cb3d3d59ebac9aca1a57b2e18bc \
+    --hash=sha256:e55b384612d93be96506932a786bbcde5a2db7a9e6a4bb4bffe8b733f5b9036b \
+    --hash=sha256:e81b76cace8eda1fca50e345242ba977f9be6ae3945af8d46326d776b4cf78d1 \
+    --hash=sha256:e8236383a20872c0cdf5a62b554b27538db7fa1bbec52429d8d106effbaeca08 \
+    --hash=sha256:f04e857b59d9d1ccc39ce2da1021d196e47234873820cbeaad210724b1ee28ac \
+    --hash=sha256:fadbfe37f74051d024037f223b8e001611eac868b5c5b06144ef4d8b799862f2
+    # via
+    #   pytz-deprecation-shim
+    #   tzlocal
 bazel-runfiles==0.21.0 \
     --hash=sha256:3e430dd9a5aba90a90bc2493fdcfce02a3ece47fb574db0f4ac898261e6b068d
     # via -r release/requirements_buildkite.in
-boto3==1.26.130 \
-    --hash=sha256:3ae2b34921bb08a1d7ce52db9ec1a25159fca779648e596ede37e1049ed77de8 \
-    --hash=sha256:d6f9c6ebf417260ea5fa7a227e7bce9451f1f5010be05ac4075596356f584455
+boto3==1.26.131 \
+    --hash=sha256:061d3270472b9be09901bb08a45e9871ac8f86a9b1c9c615535ca0223acd7582 \
+    --hash=sha256:5b2b13d9f3430e3d5e768bf32097d5d6d16f47a4719f2656de67da49dd3e4de1
     # via
     #   -r release/requirements_buildkite.in
     #   anyscale
-botocore==1.29.130 \
-    --hash=sha256:3a31293b84ecfe5f5f2c4b7dc85a77d7b890b468a376b593fde15cacc76862dd \
-    --hash=sha256:56d1f54c3f8e140f965e5300d1cc5b565cb758134d9213fb05e91e1bb160330e
+botocore==1.29.131 \
+    --hash=sha256:d0dea23bccdfd7c2f6d0cd3216cfbd7065bc3e9e7b1ef6fee0952b04f5d2cffd \
+    --hash=sha256:ffbd85915b2624c545438a33c2624a809593720a10648f6e757fe50be4893188
     # via
     #   anyscale
     #   boto3
@@ -541,6 +565,20 @@ idna==3.4 \
     # via
     #   requests
     #   yarl
+importlib-metadata==6.6.0 \
+    --hash=sha256:43dd286a2cd8995d5eaef7fee2066340423b818ed3fd70adf0bad5f1fac53fed \
+    --hash=sha256:92501cdf9cc66ebd3e612f1b4f0c0765dfa42f0fa38ffb319b6bd84dd675d705
+    # via
+    #   attrs
+    #   click
+    #   humanize
+    #   jsonschema
+    #   pluggy
+    #   pytest
+importlib-resources==5.12.0 \
+    --hash=sha256:4be82589bf5c1d7999aedf2a45159d10cb3ca4f19b2271f8792bc8e6da7b22f6 \
+    --hash=sha256:7b1deeebbf351c7578e09bf2f63fa2ce8b5ffec296e0d349139d43cca061a81a
+    # via jsonschema
 iniconfig==2.0.0 \
     --hash=sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3 \
     --hash=sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374
@@ -723,6 +761,10 @@ pathspec==0.11.1 \
     --hash=sha256:2798de800fa92780e33acca925945e9a19a133b715067cf165b8866c15a31687 \
     --hash=sha256:d8af70af76652554bd134c22b3e8a1cc46ed7d91edcdd721ef1a0c51a84a5293
     # via anyscale
+pkgutil-resolve-name==1.3.10 \
+    --hash=sha256:357d6c9e6a755653cfd78893817c0853af365dd51ec97f3d358a819373bbd174 \
+    --hash=sha256:ca27cc078d25c5ad71a9de0a7a330146c4e014c2462d9af19c6b828280649c5e
+    # via jsonschema
 pluggy==1.0.0 \
     --hash=sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159 \
     --hash=sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3
@@ -967,7 +1009,17 @@ tqdm==4.65.0 \
 typing-extensions==4.5.0 \
     --hash=sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb \
     --hash=sha256:fb33085c39dd998ac16d1431ebc293a8b3eedd00fd4a32de0ff79002c19511b4
-    # via pydantic
+    # via
+    #   aiohttp
+    #   argon2-cffi
+    #   async-timeout
+    #   gitpython
+    #   importlib-metadata
+    #   jsonschema
+    #   markdown-it-py
+    #   pydantic
+    #   rich
+    #   yarl
 tzdata==2023.3 \
     --hash=sha256:11ef1e08e54acb0d4f95bdb1be05da659673de4acbd21bf9c69e94cc5e907a3a \
     --hash=sha256:7e65763eef3120314099b6939b5546db7adce1e7d6f2e179e3df563c70511eda
@@ -1136,3 +1188,9 @@ yarl==1.9.2 \
     --hash=sha256:f4e2d08f07a3d7d3e12549052eb5ad3eab1c349c53ac51c209a0e5991bbada78 \
     --hash=sha256:f7a3d8146575e08c29ed1cd287068e6d02f1c7bdff8970db96683b9591b86ee7
     # via aiohttp
+zipp==3.15.0 \
+    --hash=sha256:112929ad649da941c23de50f356a2b5570c954b65150642bccdd66bf194d224b \
+    --hash=sha256:48904fc76a60e542af151aded95726c1a5c34ed43ab4134b597665c86d7ad556
+    # via
+    #   importlib-metadata
+    #   importlib-resources