42 lines
966 B
Python
42 lines
966 B
Python
|
def _impl(rctx):
|
||
|
|
# locate python on path, and export it
|
||
|
|
path = rctx.which("python3.8")
|
||
|
|
if not path:
|
||
|
|
path = rctx.which("python.exe")
|
||
|
|
if not path:
|
||
|
|
fail("python3.8 or python.exe not found on path")
|
||
|
|
|
||
|
|
rctx.symlink(path, "python")
|
||
|
|
rctx.file("BUILD.bazel", """
|
||
|
|
load("@rules_python//python:defs.bzl", "py_runtime_pair")
|
||
|
|
|
||
|
|
py_runtime(
|
||
|
|
name = "python_runtime",
|
||
|
|
interpreter_path = "{path}",
|
||
|
|
python_version = "PY3",
|
||
|
|
visibility = ["//visibility:public"],
|
||
|
|
)
|
||
|
|
|
||
|
|
py_runtime_pair(
|
||
|
|
name = "python3_runtime_pair",
|
||
|
|
py2_runtime = None,
|
||
|
|
py3_runtime = ":python_runtime",
|
||
|
|
)
|
||
|
|
|
||
|
|
toolchain(
|
||
|
|
name = "python3_toolchain",
|
||
|
|
toolchain = ":python3_runtime_pair",
|
||
|
|
toolchain_type = "@bazel_tools//tools/python:toolchain_type",
|
||
|
|
visibility = ["//visibility:public"],
|
||
|
|
|
||
|
|
)
|
||
|
|
|
||
|
|
exports_files(["python"])
|
||
|
|
""".format(path = path))
|
||
|
|
|
||
|
|
setup_local_python = repository_rule(
|
||
|
|
implementation = _impl,
|
||
|
|
local = True,
|
||
|
|
attrs = {},
|
||
|
|
)
|