refactor(examples): replace requirements.txt lockfiles with uv.lock

dev/BUILD.bazel

@@ -45,12 +45,8 @@ multirun(
     ] + [
         ":requirements.update",
         ":uv_lock.update",
-        "//examples:bzlmod_requirements_3_12.update",
-        "//examples:bzlmod_requirements_3_12_windows.update",
-        "//examples:bzlmod_requirements_3_13.update",
-        "//examples:bzlmod_requirements_3_13_windows.update",
-        "//examples:bzlmod_requirements_3_14.update",
-        "//examples:bzlmod_requirements_3_14_windows.update",
+        "//examples:bzlmod_other_module_uv_lock.update",
+        "//examples:bzlmod_uv_lock.update",
         "//tests/multi_pypi/alpha:requirements.update",
         "//tests/multi_pypi/beta:requirements.update",
         "//tests/uv/lock/pyproject_toml:requirements.update",

examples/BUILD.bazel

@@ -18,88 +18,19 @@ load("@rules_python//python/uv/private:lock.bzl", "lock")  # buildifier: disable
 licenses(["notice"])  # Apache 2.0
 
 lock(
-    name = "bzlmod_requirements_3_12",
+    name = "bzlmod_uv_lock",
     srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_lock_3_12.txt",
-    args = [
-        "--emit-index-url",
-        "--universal",
-        "--python-version=3.12",
-    ],
+    out = "bzlmod/uv.lock",
     directory = "examples/bzlmod",
-    python_version = "3.12",
+    python_version = "3.10",
     visibility = ["//:__subpackages__"],
 )
 
 lock(
-    name = "bzlmod_requirements_3_12_windows",
-    srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_windows_3_12.txt",
-    args = [
-        "--emit-index-url",
-        "--python-platform",
-        "windows",
-        "--python-version=3.12",
-    ],
-    directory = "examples/bzlmod",
-    python_version = "3.12",
-    visibility = ["//:__subpackages__"],
-)
-
-lock(
-    name = "bzlmod_requirements_3_13",
-    srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_lock_3_13.txt",
-    args = [
-        "--emit-index-url",
-        "--universal",
-        "--python-version=3.13",
-    ],
-    directory = "examples/bzlmod",
-    python_version = "3.13",
-    visibility = ["//:__subpackages__"],
-)
-
-lock(
-    name = "bzlmod_requirements_3_13_windows",
-    srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_windows_3_13.txt",
-    args = [
-        "--emit-index-url",
-        "--python-platform",
-        "windows",
-        "--python-version=3.13",
-    ],
-    directory = "examples/bzlmod",
-    python_version = "3.13",
-    visibility = ["//:__subpackages__"],
-)
-
-lock(
-    name = "bzlmod_requirements_3_14",
-    srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_lock_3_14.txt",
-    args = [
-        "--emit-index-url",
-        "--universal",
-        "--python-version=3.14",
-    ],
-    directory = "examples/bzlmod",
-    python_version = "3.14",
-    visibility = ["//:__subpackages__"],
-)
-
-lock(
-    name = "bzlmod_requirements_3_14_windows",
-    srcs = ["bzlmod/pyproject.toml"],
-    out = "bzlmod/requirements_windows_3_14.txt",
-    args = [
-        "--emit-index-url",
-        "--python-platform",
-        "windows",
-        "--python-version=3.14",
-    ],
-    directory = "examples/bzlmod",
-    python_version = "3.14",
+    name = "bzlmod_other_module_uv_lock",
+    srcs = ["bzlmod/other_module/pyproject.toml"],
+    out = "bzlmod/other_module/uv.lock",
+    directory = "examples/bzlmod/other_module",
+    python_version = "3.11",
     visibility = ["//:__subpackages__"],
 )

examples/bzlmod/BUILD.bazel

@@ -14,27 +14,11 @@ load("@rules_python//python:py_test.bzl", "py_test")
 load("@rules_python//python/uv:lock.bzl", "lock")
 
 # This stanza calls a rule that generates targets for managing pip dependencies
-# with uv for a particular python version.
+# with uv.
 lock(
-    name = "requirements_3_10",
+    name = "requirements",
     srcs = ["pyproject.toml"],
-    out = "requirements_lock_3_10.txt",
-    args = [
-        "--extra-index-url",
-        "https://pypi.org/simple/",
-    ],
-    python_version = "3.10",
-)
-
-lock(
-    name = "requirements_windows_3_10",
-    srcs = ["pyproject.toml"],
-    out = "requirements_windows_3_10.txt",
-    args = [
-        "--extra-index-url",
-        "https://pypi.org/simple/",
-        "--python-platform=windows",
-    ],
+    out = "uv.lock",
     python_version = "3.10",
 )
 

examples/bzlmod/MODULE.bazel

@@ -222,12 +222,7 @@ pip.parse(
     ],
     hub_name = "pip",
     python_version = "3.10",
-    # The requirements files for each platform that we want to support.
-    requirements_by_platform = {
-        # Default requirements file for needs to explicitly provide the platforms
-        "//:requirements_lock_3_10.txt": "linux_*,osx_*",
-        "//:requirements_windows_3_10.txt": "windows_x86_64",
-    },
+    uv_lock = "//:uv.lock",
     # These modifications were created above and we
     # are providing pip.parse with the label of the mod
     # and the name of the wheel.
@@ -239,10 +234,7 @@ pip.parse(
 pip.parse(
     hub_name = "pip",
     python_version = "3.12",
-    requirements_by_platform = {
-        "//:requirements_lock_3_12.txt": "linux_*,osx_*",
-        "//:requirements_windows_3_12.txt": "windows_x86_64,windows_aarch64",
-    },
+    uv_lock = "//:uv.lock",
     whl_modifications = {
         "@whl_mods_hub//:requests.json": "requests",
         "@whl_mods_hub//:wheel.json": "wheel",
@@ -251,10 +243,7 @@ pip.parse(
 pip.parse(
     hub_name = "pip",
     python_version = "3.13",
-    requirements_by_platform = {
-        "//:requirements_lock_3_13.txt": "linux_*,osx_*",
-        "//:requirements_windows_3_13.txt": "windows_x86_64,windows_aarch64",
-    },
+    uv_lock = "//:uv.lock",
     whl_modifications = {
         "@whl_mods_hub//:requests.json": "requests",
         "@whl_mods_hub//:wheel.json": "wheel",
@@ -263,10 +252,7 @@ pip.parse(
 pip.parse(
     hub_name = "pip",
     python_version = "3.14",
-    requirements_by_platform = {
-        "//:requirements_lock_3_14.txt": "linux_*,osx_*",
-        "//:requirements_windows_3_14.txt": "windows_x86_64,windows_aarch64",
-    },
+    uv_lock = "//:uv.lock",
     whl_modifications = {
         "@whl_mods_hub//:requests.json": "requests",
         "@whl_mods_hub//:wheel.json": "wheel",

examples/bzlmod/other_module/BUILD.bazel

@@ -5,6 +5,6 @@ load("@rules_python//python/uv:lock.bzl", "lock")
 lock(
     name = "requirements",
     srcs = ["pyproject.toml"],
-    out = "requirements_lock_3_11.txt",
+    out = "uv.lock",
     python_version = "3.11",
 )

examples/bzlmod/other_module/MODULE.bazel

@@ -37,6 +37,6 @@ pip.parse(
     # Python versions that DON'T include whatever the root-module's default
     # Python version is.
     python_version = "3.11",
-    requirements_lock = ":requirements_lock_3_11.txt",
+    uv_lock = ":uv.lock",
 )
 use_repo(pip, "other_module_pip")

examples/bzlmod/other_module/pyproject.toml

@@ -1,6 +1,7 @@
 [project]
 name = "other_module"
 version = "0.0.0"
+requires-python = ">=3.11"
 dependencies = [
     "absl-py",
 ]

examples/bzlmod/pyproject.toml

@@ -1,6 +1,7 @@
 [project]
 name = "example_bzlmod"
 version = "0.0.0"
+requires-python = ">=3.10"
 dependencies = [
     "wheel",
     "websockets",