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# Copyright 2023 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import json
import pathlib
from typing import Any, Dict, Set
from python.pip_install.tools.wheel_installer import wheel
def parser(**kwargs: Any) -> argparse.ArgumentParser:
"""Create a parser for the wheel_installer tool."""
parser = argparse.ArgumentParser(
**kwargs,
)
parser.add_argument(
"--requirement",
action="store",
required=True,
help="A single PEP508 requirement specifier string.",
)
parser.add_argument(
"--isolated",
action="store_true",
help="Whether or not to include the `--isolated` pip flag.",
)
parser.add_argument(
"--extra_pip_args",
action="store",
help="Extra arguments to pass down to pip.",
)
parser.add_argument(
"--platform",
action="extend",
type=wheel.Platform.from_string,
help="Platforms to target dependencies. Can be used multiple times.",
)
parser.add_argument(
"--pip_data_exclude",
action="store",
help="Additional data exclusion parameters to add to the pip packages BUILD file.",
)
parser.add_argument(
"--enable_implicit_namespace_pkgs",
action="store_true",
help="Disables conversion of implicit namespace packages into pkg-util style packages.",
)
parser.add_argument(
"--environment",
action="store",
help="Extra environment variables to set on the pip environment.",
)
parser.add_argument(
"--download_only",
action="store_true",
help="Use 'pip download' instead of 'pip wheel'. Disables building wheels from source, but allows use of "
"--platform, --python-version, --implementation, and --abi in --extra_pip_args.",
)
parser.add_argument(
"--whl-file",
type=pathlib.Path,
help="Extract a whl file to be used within Bazel.",
)
return parser
def deserialize_structured_args(args: Dict[str, str]) -> Dict:
"""Deserialize structured arguments passed from the starlark rules.
Args:
args: dict of parsed command line arguments
"""
structured_args = ("extra_pip_args", "pip_data_exclude", "environment")
for arg_name in structured_args:
if args.get(arg_name) is not None:
args[arg_name] = json.loads(args[arg_name])["arg"]
else:
args[arg_name] = []
return args
def get_platforms(args: argparse.Namespace) -> Set:
"""Aggregate platforms into a single set.
Args:
args: dict of parsed command line arguments
"""
platforms = set()
if args.platform is None:
return platforms
platforms.update(args.platform)
return platforms
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