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"""Helper methods to download different python versions"""
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
limited_api_build_file = """
cc_library(
name = "python_headers",
hdrs = glob(["**/Include/**/*.h"]),
strip_include_prefix = "Python-{}/Include",
visibility = ["//visibility:public"],
)
"""
def python_source_archive(name, sha256):
"""Helper method to create a python_headers target that will work for linux and macos.
Args:
name: The name of the target, should be in the form python_{VERSION}
sha256: The sha256 of the python package for the specified version
"""
version = name.split("-")[1]
http_archive(
name = name,
urls = [
"https://www.python.org/ftp/python/{0}/Python-{0}.tgz"
.format(version),
],
sha256 = sha256,
build_file_content = limited_api_build_file.format(version),
patch_cmds = [
"echo '#define SIZEOF_WCHAR_T 4' > Python-{}/Include/pyconfig.h"
.format(version),
],
)
nuget_build_file = """
cc_import(
name = "python_full_api",
hdrs = glob(["**/*.h"]),
shared_library = "python{0}.dll",
interface_library = "libs/python{0}.lib",
visibility = ["@com_google_protobuf//python:__pkg__"],
)
cc_import(
name = "python_limited_api",
hdrs = glob(["**/*.h"]),
shared_library = "python{1}.dll",
interface_library = "libs/python{1}.lib",
visibility = ["@com_google_protobuf//python:__pkg__"],
)
"""
def python_nuget_package(name, sha256):
"""Helper method to create full and limited api dependencies for windows using nuget
Args:
name: The name of the target, should be in the form nuget_python_{CPU}_{VERSION}
sha256: The sha256 of the nuget package for that version
"""
cpu = name.split("_")[2]
version = name.split("_")[3]
full_api_lib_number = version.split(".")[0] + version.split(".")[1]
limited_api_lib_number = version.split(".")[0]
folder_name_dict = {
"i686": "pythonx86",
"x86-64": "python",
}
http_archive(
name = name,
urls = [
"https://www.nuget.org/api/v2/package/{}/{}"
.format(folder_name_dict[cpu], version),
],
sha256 = sha256,
strip_prefix = "tools",
build_file_content =
nuget_build_file.format(full_api_lib_number, limited_api_lib_number),
type = "zip",
patch_cmds = ["cp -r include/* ."],
)
|
