Install all tink_py deps in tink-py examples WORKSPACE.

- Use python_register_toolchains.
- Inline tink_py_deps_init and remove 'extra_pip_args = ["--no-deps"]'.

PiperOrigin-RevId: 736061470
Change-Id: I29171db5fcc60ebfac69808bde7c0402788f0af9

Author: juergw

examples/WORKSPACE

@@ -22,15 +22,37 @@ load("@tink_py//:tink_py_deps.bzl", "tink_py_deps")
 
 tink_py_deps()
 
-load("@rules_python//python:repositories.bzl", "py_repositories")
+load("@pybind11_bazel//:python_configure.bzl", "python_configure")
+load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")
 
 py_repositories()
 
-load("@tink_py//:tink_py_deps_init.bzl", "tink_py_deps_init")
+python_register_toolchains(
+    name = "python_3_12",
+    ignore_root_user_error = True,
+    python_version = "3.12",
+)
+
+load("@tink_cc//:tink_cc_deps.bzl", "tink_cc_deps")
+tink_cc_deps()
+load("@tink_cc//:tink_cc_deps_init.bzl", "tink_cc_deps_init")
+tink_cc_deps_init()
+
+load("@rules_python//python:pip.bzl", "pip_parse")
+
+pip_parse(
+    name = "tink_py_pip_deps",
+    quiet = False,
+    requirements_lock = "@tink_py//:requirements_all.txt",
+)
 
-tink_py_deps_init("tink_py")
+# Use `which python3` by default [1] unless PYTHON_BIN_PATH is specified [2].
+#
+# [1] https://github.com/pybind/pybind11_bazel/blob/fc56ce8a8b51e3dd941139d329b63ccfea1d304b/python_configure.bzl#L434
+# [2] https://github.com/pybind/pybind11_bazel/blob/fc56ce8a8b51e3dd941139d329b63ccfea1d304b/python_configure.bzl#L162
+python_configure(name = "local_config_python", python_version = "3")
 
-load("@tink_py_pip_deps//:requirements.bzl", tink_py_install_pypi_deps="install_deps")
+load("@tink_py_pip_deps//:requirements.bzl", tink_py_install_pypi_deps = "install_deps")
 
 tink_py_install_pypi_deps()
 
@@ -43,6 +65,6 @@ pip_parse(
     requirements_lock = "@examples_python//:requirements.txt",
 )
 
-load("@pip_deps//:requirements.bzl", tink_py_example_install_pypi_deps="install_deps")
+load("@pip_deps//:requirements.bzl", tink_py_example_install_pypi_deps = "install_deps")
 
 tink_py_example_install_pypi_deps()