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Make the Bazel CI workflow use the local Python environment.
This is setting up to run mypy as per #496. Change-Id: I48e67387313ac01d493086be8481b34f26bafe82 Reviewed-on: https://code-review.googlesource.com/c/re2/+/63230 Reviewed-by: Alex Chernyakhovsky <[email protected]> Reviewed-by: Paul Wankadia <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -18,5 +18,15 @@ jobs: | |
| - uses: bazel-contrib/[email protected] | ||
| with: | ||
| bazelisk-version: '1.x' | ||
| - uses: actions/[email protected] | ||
| with: | ||
| python-version: '3.x' | ||
| - name: Prepare Python 3.x environment | ||
| run: | | ||
| python -m pip install --upgrade pip | ||
| python -m pip install --upgrade mypy | ||
| python python/toolchains/generate.py | ||
| shell: bash | ||
| - run: .github/bazel.sh | ||
| shell: bash | ||
| # TODO(junyer): Run mypy as per https://github.com/google/re2/issues/496. | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| # Copyright 2019 The RE2 Authors. All Rights Reserved. | ||
| # Use of this source code is governed by a BSD-style | ||
| # license that can be found in the LICENSE file. | ||
|
|
||
| import os | ||
| import shutil | ||
| import sys | ||
| import sysconfig | ||
|
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| def generate(): | ||
| include = sysconfig.get_path('include') | ||
| libs = os.path.join(include, '../libs') | ||
|
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| mydir = os.path.dirname(sys.argv[0]) or '.' | ||
| shutil.copytree(include, f'{mydir}/include') | ||
| try: | ||
| shutil.copytree(libs, f'{mydir}/libs') | ||
| except FileNotFoundError: | ||
| # We must not be running on Windows. :) | ||
| pass | ||
|
|
||
| with open(f'{mydir}/BUILD.bazel', 'x') as file: | ||
| file.write( | ||
| """\ | ||
| load("@rules_python//python/cc:py_cc_toolchain.bzl", "py_cc_toolchain") | ||
| load("@rules_python//python:py_runtime.bzl", "py_runtime") | ||
| load("@rules_python//python:py_runtime_pair.bzl", "py_runtime_pair") | ||
| package(default_visibility = ["//visibility:public"]) | ||
| toolchain( | ||
| name = "py", | ||
| toolchain = ":py_toolchain", | ||
| toolchain_type = "@rules_python//python:toolchain_type", | ||
| ) | ||
| py_runtime_pair( | ||
| name = "py_toolchain", | ||
| py3_runtime = ":interpreter", | ||
| ) | ||
| py_runtime( | ||
| name = "interpreter", | ||
| interpreter_path = "{interpreter_path}", | ||
| interpreter_version_info = {{ | ||
| "major": "{major}", | ||
| "minor": "{minor}", | ||
| }}, | ||
| python_version = "PY3", | ||
| ) | ||
| toolchain( | ||
| name = "py_cc", | ||
| toolchain = ":py_cc_toolchain", | ||
| toolchain_type = "@rules_python//python/cc:toolchain_type", | ||
| ) | ||
| py_cc_toolchain( | ||
| name = "py_cc_toolchain", | ||
| headers = ":headers", | ||
| libs = ":libraries", | ||
| python_version = "{major}.{minor}", | ||
| ) | ||
| cc_library( | ||
| name = "headers", | ||
| hdrs = glob(["include/**/*.h"]), | ||
| includes = ["include"], | ||
| deps = select({{ | ||
| "@platforms//os:windows": [":interface_library"], | ||
| "//conditions:default": [], | ||
| }}), | ||
| ) | ||
| cc_import( | ||
| name = "interface_library", | ||
| interface_library = select({{ | ||
| "@platforms//os:windows": "libs/python{major}{minor}.lib", | ||
| "//conditions:default": None, | ||
| }}), | ||
| system_provided = True, | ||
| ) | ||
| # Not actually necessary for our purposes. :) | ||
| cc_library( | ||
| name = "libraries", | ||
| ) | ||
| """.format( | ||
| interpreter_path=sys.executable.replace('\\', '/'), | ||
| major=sys.version_info.major, | ||
| minor=sys.version_info.minor, | ||
| ) | ||
| ) | ||
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| if __name__ == '__main__': | ||
| generate() |