Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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145 lines
4.3 KiB
145 lines
4.3 KiB
"""Rules to create python distribution files and properly name them""" |
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load("@bazel_skylib//rules:common_settings.bzl", "BuildSettingInfo") |
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load("@system_python//:version.bzl", "SYSTEM_PYTHON_VERSION") |
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def _get_suffix(limited_api, python_version, cpu): |
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suffix = "pyd" if ("win" in cpu) else "so" |
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if limited_api == True: |
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if "win" not in cpu: |
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suffix = "abi3." + suffix |
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return "." + suffix |
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if "win32" in cpu or "win64" in cpu: |
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if "win32" in cpu: |
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abi = "win32" |
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elif "win64" in cpu: |
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abi = "win_amd64" |
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else: |
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fail("Unsupported CPU: " + cpu) |
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return ".cp{}-{}.{}".format(python_version, abi, suffix) |
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if python_version == "system": |
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python_version = SYSTEM_PYTHON_VERSION |
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if int(python_version) < 38: |
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python_version += "m" |
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abis = { |
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"darwin": "darwin", |
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"osx-x86_64": "darwin", |
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"osx-aarch_64": "darwin", |
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"linux-aarch_64": "aarch64-linux-gnu", |
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"linux-x86_64": "x86_64-linux-gnu", |
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"k8": "x86_64-linux-gnu", |
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} |
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return ".cpython-{}-{}.{}".format(python_version, abis[cpu], suffix) |
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fail("Unsupported combination of flags") |
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def _py_dist_module_impl(ctx): |
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base_filename = ctx.attr.module_name.replace(".", "/") |
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suffix = _get_suffix( |
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limited_api = ctx.attr._limited_api[BuildSettingInfo].value, |
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python_version = ctx.attr._python_version[BuildSettingInfo].value, |
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cpu = ctx.var["TARGET_CPU"], |
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) |
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filename = base_filename + suffix |
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file = ctx.actions.declare_file(filename) |
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src = ctx.attr.extension[DefaultInfo].files.to_list()[0] |
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ctx.actions.run( |
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executable = "cp", |
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arguments = [src.path, file.path], |
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inputs = [src], |
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outputs = [file], |
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) |
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return [ |
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DefaultInfo(files = depset([file])), |
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] |
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_py_dist_module_rule = rule( |
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output_to_genfiles = True, |
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implementation = _py_dist_module_impl, |
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fragments = ["cpp"], |
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attrs = { |
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"module_name": attr.string(mandatory = True), |
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"extension": attr.label( |
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mandatory = True, |
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providers = [CcInfo], |
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), |
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"_limited_api": attr.label(default = "//python:limited_api"), |
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"_python_version": attr.label(default = "//python:python_version"), |
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"_cc_toolchain": attr.label( |
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default = "@bazel_tools//tools/cpp:current_cc_toolchain", |
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), |
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}, |
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) |
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def py_dist_module(name, module_name, extension): |
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file_rule = name + "_file" |
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_py_dist_module_rule( |
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name = file_rule, |
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module_name = module_name, |
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extension = extension, |
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) |
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# TODO(haberman): needed? |
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native.py_library( |
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name = name, |
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data = [":" + file_rule], |
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imports = ["."], |
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) |
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def _py_dist_transition_impl(settings, attr): |
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_ignore = (settings) # @unused |
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transitions = [] |
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for cpu, version in attr.limited_api_wheels.items(): |
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transitions.append({ |
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"//command_line_option:cpu": cpu, |
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"//python:python_version": version, |
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"//python:limited_api": True, |
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}) |
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for version in attr.full_api_versions: |
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for cpu in attr.full_api_cpus: |
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transitions.append({ |
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"//command_line_option:cpu": cpu, |
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"//python:python_version": version, |
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"//python:limited_api": False, |
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}) |
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return transitions |
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_py_dist_transition = transition( |
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implementation = _py_dist_transition_impl, |
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inputs = [], |
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outputs = [ |
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"//command_line_option:cpu", |
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"//python:python_version", |
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"//python:limited_api", |
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], |
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) |
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def _py_dist_impl(ctx): |
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return [ |
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DefaultInfo(files = depset( |
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transitive = [dep[DefaultInfo].files for dep in ctx.attr.binary_wheel], |
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)), |
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] |
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py_dist = rule( |
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implementation = _py_dist_impl, |
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attrs = { |
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"binary_wheel": attr.label( |
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mandatory = True, |
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cfg = _py_dist_transition, |
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), |
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"limited_api_wheels": attr.string_dict(), |
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"full_api_versions": attr.string_list(), |
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"full_api_cpus": attr.string_list(), |
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"_allowlist_function_transition": attr.label( |
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default = "@bazel_tools//tools/allowlists/function_transition_allowlist", |
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), |
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}, |
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)
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