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be59696a1b
- flake8-comprehensions - flake8-deprecated - flake8-import-order - flake8-quotes The quoting rules are, roughly: - Prefer single-quoted strings - Unless it's a multi-line string / docstring - Or the string contains an apostrophe
62 lines
1.9 KiB
Python
Executable File
62 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright 2025 Signal Messenger, LLC
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# SPDX-License-Identifier: AGPL-3.0-only
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#
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import os
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import subprocess
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import sys
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from typing import Iterator
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def rust_paths_to_remap() -> Iterator[str]:
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# Repo root
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yield os.path.dirname(os.path.abspath(os.path.dirname(__file__)))
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rust_sysroot = subprocess.check_output(['rustc', '--print', 'sysroot'], text=True).strip()
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yield rust_sysroot
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# Rust stdlib internals (must go after sysroot)
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yield os.path.join(rust_sysroot, 'lib', 'rustlib', 'src', 'rust')
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# There's a library/ folder inside rustlib/src/rust as well that's also redundant,
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# but (a) there are precompiled strings with library/ as the root in the stdlib,
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# and (b) both the stdlib and libsignal have a core/ subdirectory.
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cargo_home = os.environ.get('CARGO_HOME', os.path.join(os.path.expanduser('~'), '.cargo'))
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# Git dependencies
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yield os.path.join(cargo_home, 'git', 'checkouts')
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# Iterate over all crates.io dependency directories:
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for index_dir in os.scandir(os.path.join(cargo_home, 'registry', 'src')):
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if not index_dir.name.startswith('index.'):
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continue
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yield index_dir.path
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def _main() -> int:
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import argparse
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers()
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# For invoking as `build_helpers.py print-rust-paths-to-remap`.
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print_remap_parser = subparsers.add_parser('print-rust-paths-to-remap')
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print_remap_parser.set_defaults(action='print-rust-paths-to-remap')
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args = parser.parse_args(sys.argv[1:])
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if 'action' not in args:
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parser.print_usage(file=sys.stderr)
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return 1
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# This should be replaced with a `match` when we drop Python 3.9.
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if args.action == 'print-rust-paths-to-remap':
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for path in rust_paths_to_remap():
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print(path)
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return 0
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else:
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raise NotImplementedError(args.action)
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if __name__ == '__main__':
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sys.exit(_main())
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