dep-protobuf/python/dist/BUILD.bazel
Mike Kruskal 248ed86f2b Add better handling for systems without python3 installed.
The current behavior will crash any Bazel command immediately, due to our declared pip dependencies in WORKSPACE, if python3 can't be found.  The new behavior will mock out these workspace dependencies and allow any non-python targets to run.  Python targets will be skipped by wildcard expressions if there's no system python3, and will fail when run directly, due to compatibility mismatch.

PiperOrigin-RevId: 492085254
2022-11-30 19:55:26 -08:00

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# Copyright (c) 2009-2022, Google LLC
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Google LLC nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
load("//bazel:py_proto_library.bzl", "py_proto_library")
load(":dist.bzl", "py_dist", "py_dist_module")
load("@bazel_skylib//lib:selects.bzl", "selects")
load("@com_google_protobuf//:protobuf_version.bzl", "PROTOBUF_PYTHON_VERSION")
load("@rules_python//python:packaging.bzl", "py_wheel")
load("@system_python//:version.bzl", "SYSTEM_PYTHON_VERSION")
licenses(["notice"])
py_dist_module(
name = "message_mod",
extension = "//python:_message_binary",
module_name = "google._upb._message",
)
py_proto_library(
name = "well_known_proto_py_pb2",
deps = [
"@com_google_protobuf//:any_proto",
"@com_google_protobuf//:api_proto",
"@com_google_protobuf//:compiler_plugin_proto",
"@com_google_protobuf//:descriptor_proto",
"@com_google_protobuf//:duration_proto",
"@com_google_protobuf//:empty_proto",
"@com_google_protobuf//:field_mask_proto",
"@com_google_protobuf//:source_context_proto",
"@com_google_protobuf//:struct_proto",
"@com_google_protobuf//:timestamp_proto",
"@com_google_protobuf//:type_proto",
"@com_google_protobuf//:wrappers_proto",
],
)
config_setting(
name = "linux_aarch64_release",
values = {"cpu": "linux-aarch_64"},
)
config_setting(
name = "linux_aarch64_local",
constraint_values = [
"@platforms//os:linux",
"@platforms//cpu:aarch64",
],
)
selects.config_setting_group(
name = "linux_aarch64",
match_any = [
":linux_aarch64_release",
":linux_aarch64_local",
],
)
config_setting(
name = "linux_x86_64_release",
values = {"cpu": "linux-x86_64"},
)
config_setting(
name = "linux_x86_64_local",
constraint_values = [
"@platforms//os:linux",
"@platforms//cpu:x86_64",
],
)
selects.config_setting_group(
name = "linux_x86_64",
match_any = [
":linux_x86_64_release",
":linux_x86_64_local",
],
)
config_setting(
name = "osx_x86_64_release",
values = {"cpu": "osx-x86_64"},
)
config_setting(
name = "osx_x86_64_local",
constraint_values = [
"@platforms//os:osx",
"@platforms//cpu:x86_64",
],
)
selects.config_setting_group(
name = "osx_x86_64",
match_any = [
":osx_x86_64_release",
":osx_x86_64_local",
],
)
config_setting(
name = "osx_aarch64_release",
values = {"cpu": "osx-aarch_64"},
)
config_setting(
name = "osx_aarch64_local",
constraint_values = [
"@platforms//os:osx",
"@platforms//cpu:aarch64",
],
)
selects.config_setting_group(
name = "osx_aarch64",
match_any = [
":osx_aarch64_release",
":osx_aarch64_local",
],
)
config_setting(
name = "osx_universal2",
values = {"cpu": "osx-universal2"},
)
config_setting(
name = "windows_x86_32_release",
values = {"cpu": "win32"},
)
config_setting(
name = "windows_x86_32_local",
constraint_values = [
"@platforms//os:windows",
"@platforms//cpu:x86_32",
],
)
selects.config_setting_group(
name = "windows_x86_32",
match_any = [
":windows_x86_32_release",
":windows_x86_32_local",
],
)
config_setting(
name = "windows_x86_64_release",
values = {"cpu": "win64"},
)
config_setting(
name = "windows_x86_64_local",
constraint_values = [
"@platforms//os:windows",
"@platforms//cpu:x86_64",
],
)
selects.config_setting_group(
name = "windows_x86_64",
match_any = [
":windows_x86_64_release",
":windows_x86_64_local",
],
)
py_wheel(
name = "binary_wheel",
abi = select({
"//python:full_api_3.7": "cp37m",
"//python:full_api_3.8": "cp38",
"//python:full_api_3.9": "cp39",
"//conditions:default": "abi3",
}),
author = "protobuf@googlegroups.com",
author_email = "protobuf@googlegroups.com",
classifiers = [
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
],
distribution = "protobuf",
homepage = "https://developers.google.com/protocol-buffers/",
license = "3-Clause BSD License",
platform = select({
":linux_x86_64": "linux_x86_64",
":linux_aarch64": "linux_aarch64",
":osx_universal2": "macosx_10_9_universal2",
":osx_aarch64": "macosx_11_0_arm64",
":windows_x86_32": "win32",
":windows_x86_64": "win_amd64",
"//conditions:default": "any",
}),
python_requires = ">=3.7",
python_tag = selects.with_or({
("//python:limited_api_3.7", "//python:full_api_3.7"): "cp37",
"//python:full_api_3.8": "cp38",
"//python:full_api_3.9": "cp39",
"//python:limited_api_3.10": "cp310",
"//conditions:default": "cp" + SYSTEM_PYTHON_VERSION,
}),
strip_path_prefixes = [
"python/dist/",
"python/",
"src/",
],
target_compatible_with = select({
"@system_python//:none": ["@platforms//:incompatible"],
"//conditions:default": [],
}),
version = PROTOBUF_PYTHON_VERSION,
deps = [
":message_mod",
":well_known_proto_py_pb2",
"@com_google_protobuf//:python_srcs",
],
)
py_wheel(
name = "pure_python_wheel",
abi = "none",
author = "protobuf@googlegroups.com",
author_email = "protobuf@googlegroups.com",
classifiers = [
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
],
distribution = "protobuf",
homepage = "https://developers.google.com/protocol-buffers/",
license = "3-Clause BSD License",
platform = "any",
python_requires = ">=3.7",
python_tag = "py3",
strip_path_prefixes = [
"python/",
"src/",
],
target_compatible_with = select({
"@system_python//:none": ["@platforms//:incompatible"],
"//conditions:default": [],
}),
version = PROTOBUF_PYTHON_VERSION,
deps = [
":well_known_proto_py_pb2",
"@com_google_protobuf//:python_srcs",
],
)
py_wheel(
name = "test_wheel",
testonly = True,
abi = "none",
distribution = "protobuftests",
platform = "any",
python_tag = "py3",
strip_path_prefixes = [
"python/",
"src/",
],
target_compatible_with = select({
"@system_python//:none": ["@platforms//:incompatible"],
"//conditions:default": [],
}),
version = PROTOBUF_PYTHON_VERSION,
deps = [
"//python/pb_unit_tests:test_files",
"@com_google_protobuf//:python_common_test_protos",
"@com_google_protobuf//:python_specific_test_protos",
"@com_google_protobuf//:python_test_srcs",
"@com_google_protobuf//src/google/protobuf:testdata",
],
)
py_dist(
name = "dist",
binary_wheel = ":binary_wheel",
full_api_cpus = [
# TODO(b/231485326): fix win32 build
"win32",
"win64",
],
# Windows needs version-specific wheels until 3.10.
full_api_versions = [
"37",
"38",
"39",
],
# Limited API: these wheels will satisfy any Python version >= the
# given version.
#
# Technically the limited API doesn't have the functions we need until
# 3.10, but on Linux we can get away with using 3.7 (see ../python_api.h for
# details).
limited_api_wheels = {
# TODO(b/231485326): fix win32 build
"win32": "310",
"win64": "310",
"linux-x86_64": "37",
"linux-aarch_64": "37",
"osx-universal2": "37",
},
pure_python_wheel = ":pure_python_wheel",
tags = ["manual"],
)