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# Copyright 2024 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Implementation of py_api."""
load("//python/private:py_info.bzl", "PyInfoBuilder")
load("//python/private/api:api.bzl", "ApiImplInfo")
def _py_common_api_impl(ctx):
_ = ctx # @unused
return [ApiImplInfo(impl = PyCommonApi)]
py_common_api = rule(
implementation = _py_common_api_impl,
doc = "Internal Rule implementing py_common API.",
)
def _py_common_api_typedef():
"""The py_common API implementation.
An instance of this object is obtained using {obj}`py_common.get()`
"""
def _merge_py_infos(transitive, *, direct = []):
"""Merge PyInfo objects into a single PyInfo.
This is a convenience wrapper around {obj}`PyInfoBuilder.merge_all`. For
more control over merging PyInfo objects, use {obj}`PyInfoBuilder`.
Args:
transitive: {type}`list[PyInfo]` The PyInfo objects with info
considered indirectly provided by something (e.g. via
its deps attribute).
direct: {type}`list[PyInfo]` The PyInfo objects that are
considered directly provided by something (e.g. via
the srcs attribute).
Returns:
{type}`PyInfo` A PyInfo containing the merged values.
"""
builder = PyInfoBuilder.new()
builder.merge_all(transitive, direct = direct)
return builder.build()
# Exposed for doc generation, not directly used.
# buildifier: disable=name-conventions
PyCommonApi = struct(
TYPEDEF = _py_common_api_typedef,
merge_py_infos = _merge_py_infos,
PyInfoBuilder = PyInfoBuilder.new,
)