fix: make the names of the repos more user friendly

Author: aignas

examples/bzlmod/MODULE.bazel.lock

@@ -318,7 +318,7 @@ def _create_whl_repos(
                     exposed_packages[whl_name] = None
                 continue
 
-        for i, requirement in enumerate(requirements):
+        for requirement in requirements:
             is_exposed = is_exposed or requirement.is_exposed
             if get_index_urls:
                 logger.warn(lambda: "falling back to pip for installing the right file for {}".format(requirement.requirement_line))
@@ -329,7 +329,10 @@ def _create_whl_repos(
 
             repo_name = "{}_{}".format(pip_name, whl_name)
             if len(requirements) > 1:
-                repo_name = "{}__{}".format(repo_name, i)
+                repo_name = "{}__{}".format(repo_name, "_".join(sorted([
+                    p.partition("_")[-1]
+                    for p in requirement.target_platforms
+                ])))
 
             whl_libraries[repo_name] = dict(whl_library_args.items())
             whl_map.setdefault(whl_name, []).append(

python/private/pypi/extension.bzl

@@ -208,7 +208,7 @@ def _test_simple_multiple_requirements(env):
             struct(
                 config_setting = "//_config:is_python_3.15",
                 filename = None,
-                repo = "pypi_315_simple__0",
+                repo = "pypi_315_simple__windows_x86_64",
                 target_platforms = [
                     "cp315_windows_x86_64",
                 ],
@@ -217,7 +217,7 @@ def _test_simple_multiple_requirements(env):
             struct(
                 config_setting = "//_config:is_python_3.15",
                 filename = None,
-                repo = "pypi_315_simple__1",
+                repo = "pypi_315_simple__osx_aarch64_osx_x86_64",
                 target_platforms = [
                     "cp315_osx_aarch64",
                     "cp315_osx_x86_64",
@@ -227,17 +227,17 @@ def _test_simple_multiple_requirements(env):
         ],
     }})
     pypi.whl_libraries().contains_exactly({
-        "pypi_315_simple__0": {
+        "pypi_315_simple__osx_aarch64_osx_x86_64": {
             "dep_template": "@pypi//{name}:{target}",
             "python_interpreter_target": "unit_test_interpreter_target",
             "repo": "pypi_315",
-            "requirement": "simple==0.0.1 --hash=sha256:deadbeef",
+            "requirement": "simple==0.0.2 --hash=sha256:deadb00f",
         },
-        "pypi_315_simple__1": {
+        "pypi_315_simple__windows_x86_64": {
             "dep_template": "@pypi//{name}:{target}",
             "python_interpreter_target": "unit_test_interpreter_target",
             "repo": "pypi_315",
-            "requirement": "simple==0.0.2 --hash=sha256:deadb00f",
+            "requirement": "simple==0.0.1 --hash=sha256:deadbeef",
         },
     })
     pypi.whl_mods().contains_exactly({})
@@ -304,14 +304,14 @@ simple==0.0.3 --hash=sha256:deadbaaf
             struct(
                 config_setting = "//_config:is_python_3.15",
                 filename = None,
-                repo = "pypi_315_simple__0",
+                repo = "pypi_315_simple__linux_x86_64",
                 target_platforms = ["cp315_linux_x86_64"],
                 version = "3.15",
             ),
             struct(
                 config_setting = "//_config:is_python_3.15",
                 filename = None,
-                repo = "pypi_315_simple__1",
+                repo = "pypi_315_simple__osx_aarch64",
                 target_platforms = ["cp315_osx_aarch64"],
                 version = "3.15",
             ),
@@ -326,15 +326,15 @@ simple==0.0.3 --hash=sha256:deadbaaf
             "repo": "pypi_315",
             "requirement": "extra==0.0.1 --hash=sha256:deadb00f",
         },
-        "pypi_315_simple__0": {
+        "pypi_315_simple__linux_x86_64": {
             "dep_template": "@pypi//{name}:{target}",
             "download_only": True,
             "extra_pip_args": ["--platform=manylinux_2_17_x86_64", "--python-version=315", "--implementation=cp", "--abi=cp315"],
             "python_interpreter_target": "unit_test_interpreter_target",
             "repo": "pypi_315",
             "requirement": "simple==0.0.1 --hash=sha256:deadbeef",
         },
-        "pypi_315_simple__1": {
+        "pypi_315_simple__osx_aarch64": {
             "dep_template": "@pypi//{name}:{target}",
             "download_only": True,
             "extra_pip_args": ["--platform=macosx_10_9_arm64", "--python-version=315", "--implementation=cp", "--abi=cp315"],