chore!(pip.parse): remove parse_all_requirements_files attribute (#2407)

Remove the deprecated symbol and use the default `pip` extension in
`rules_python` to pull `twine` as part of the dependencies.

Work towards #1361
Fixes #2268 for all the users by default

Author: aignas

CHANGELOG.md

@@ -68,6 +68,8 @@ Unreleased changes template.
   {bzl:obj}`python_register_toolchains` and
   {bzl:obj}`python_register_multi_toolchains` macros or the {bzl:obj}`python`
   bzlmod extension.
+* (bzlmod) `pip.parse.parse_all_requirements_files` attribute has been removed.
+  See notes in the previous versions about what to do.
 
 Other changes:
 * (python_repository) Start honoring the `strip_prefix` field for `zstd` archives.
@@ -214,7 +216,7 @@ Other changes:
 * (bzlmod) The extension evaluation has been adjusted to always generate the
   same lock file irrespective if `experimental_index_url` is set by any module
   or not. To opt into this behavior, set
-  {bzl:obj}`pip.parse.parse_all_requirements_files`, which will become the
+  `pip.parse.parse_all_requirements_files`, which will become the
   default in future releases leading up to `1.0.0`. Fixes
   [#2268](https://github.com/bazelbuild/rules_python/issues/2268). A known
   issue is that it may break `bazel query` and in these use cases it is

MODULE.bazel

@@ -54,7 +54,7 @@ register_toolchains("@pythons_hub//:all")
 #####################
 # Install twine for our own runfiles wheel publishing and allow bzlmod users to use it.
 
-pip = use_extension("//python/private/pypi:pip.bzl", "pip_internal")
+pip = use_extension("//python/extensions:pip.bzl", "pip")
 pip.parse(
     # NOTE @aignas 2024-10-26: We have an integration test that depends on us
     # being able to build sdists for this hub, so explicitly set this to False.

examples/bzlmod/MODULE.bazel

@@ -231,9 +231,6 @@ pip.parse(
         "host",
     ],
     hub_name = "pip",
-    # Parse all requirements files for the same lock file on all OSes, this will
-    # become the default with 1.0 release
-    parse_all_requirements_files = True,
     python_version = "3.10",
     # The requirements files for each platform that we want to support.
     requirements_by_platform = {