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#!/usr/bin/env python3
# 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.
"""A script to manage internal pip dependencies."""
from __future__ import annotations
import argparse
import json
import os
import pathlib
import re
import sys
import tempfile
import textwrap
from dataclasses import dataclass
from pip._internal.cli.main import main as pip_main
from tools.private.update_deps.args import path_from_runfiles
from tools.private.update_deps.update_file import update_file
@dataclass
class Dep:
name: str
url: str
sha256: str
def _dep_snippet(deps: list[Dep]) -> str:
lines = []
for dep in deps:
lines.extend(
[
"(\n",
f' "{dep.name}",\n',
f' "{dep.url}",\n',
f' "{dep.sha256}",\n',
"),\n",
]
)
return textwrap.indent("".join(lines), " " * 4)
def _module_snippet(deps: list[Dep]) -> str:
lines = []
for dep in deps:
lines.append(f'"{dep.name}",\n')
return textwrap.indent("".join(lines), " " * 4)
def _generate_report(requirements_txt: pathlib.Path) -> dict:
with tempfile.NamedTemporaryFile() as tmp:
tmp_path = pathlib.Path(tmp.name)
sys.argv = [
"pip",
"install",
"--dry-run",
"--ignore-installed",
"--report",
f"{tmp_path}",
"-r",
f"{requirements_txt}",
]
pip_main()
with open(tmp_path) as f:
return json.load(f)
def _get_deps(report: dict) -> list[Dep]:
deps = []
for dep in report["install"]:
try:
dep = Dep(
name="pypi__"
+ re.sub(
"[._-]+",
"_",
dep["metadata"]["name"],
),
url=dep["download_info"]["url"],
sha256=dep["download_info"]["archive_info"]["hash"][len("sha256=") :],
)
except:
debug_dep = textwrap.indent(json.dumps(dep, indent=4), " " * 4)
print(f"Could not parse the response from 'pip':\n{debug_dep}")
raise
deps.append(dep)
return sorted(deps, key=lambda dep: dep.name)
def main():
parser = argparse.ArgumentParser(__doc__)
parser.add_argument(
"--start",
type=str,
default="# START: maintained by 'bazel run //tools/private:update_pip_deps'",
help="The text to match in a file when updating them.",
)
parser.add_argument(
"--end",
type=str,
default="# END: maintained by 'bazel run //tools/private:update_pip_deps'",
help="The text to match in a file when updating them.",
)
parser.add_argument(
"--dry-run",
action="store_true",
help="Wether to write to files",
)
parser.add_argument(
"--requirements-txt",
type=path_from_runfiles,
default=os.environ.get("REQUIREMENTS_TXT"),
help="The requirements.txt path for the pip_install tools, defaults to the value taken from REQUIREMENTS_TXT",
)
parser.add_argument(
"--module-bazel",
type=path_from_runfiles,
default=os.environ.get("MODULE_BAZEL"),
help="The path for the file to be updated, defaults to the value taken from MODULE_BAZEL",
)
parser.add_argument(
"--repositories-bzl",
type=path_from_runfiles,
default=os.environ.get("REPOSITORIES_BZL"),
help="The path for the file to be updated, defaults to the value taken from REPOSITORIES_BZL",
)
args = parser.parse_args()
report = _generate_report(args.requirements_txt)
deps = _get_deps(report)
update_file(
path=args.repositories_bzl,
snippet=_dep_snippet(deps),
start_marker=args.start,
end_marker=args.end,
dry_run=args.dry_run,
)
update_file(
path=args.module_bazel,
snippet=_module_snippet(deps),
start_marker=args.start,
end_marker=args.end,
dry_run=args.dry_run,
)
if __name__ == "__main__":
main()
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