mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-25 17:25:08 +02:00
ce7b69ff31
The idea is that scripts directly under Meta are meant to be run by people. Scripts that are only imported or run by other scripts are moved to a subdirectory.
60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
# Copyright (c) 2025-2026, Tim Flynn <trflynn89@ladybird.org>
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#
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# SPDX-License-Identifier: BSD-2-Clause
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import signal
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import subprocess
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import sys
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from pathlib import Path
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from typing import Optional
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from typing import Union
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def run_command(
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command: list[str],
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input: Union[str, None] = None,
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return_output: bool = False,
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exit_on_failure: bool = False,
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cwd: Union[Path, None] = None,
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) -> Optional[str]:
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stdin = subprocess.PIPE if type(input) is str else None
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stdout = subprocess.PIPE if return_output else None
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try:
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# FIXME: For Windows, set the working directory so DLLs are found.
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with subprocess.Popen(command, stdin=stdin, stdout=stdout, text=True, cwd=cwd) as process:
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(output, _) = process.communicate(input=input)
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if process.returncode != 0:
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if exit_on_failure:
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sys.exit(process.returncode)
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return None
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except KeyboardInterrupt:
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process.send_signal(signal.SIGINT)
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process.wait()
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sys.exit(process.returncode)
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if return_output:
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return output.strip()
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return None
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def string_hash(string: str) -> int:
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"""Port of AK::string_hash that produces the same u32 value."""
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h = 0
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for ch in string:
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h = (h + ord(ch)) & 0xFFFFFFFF
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h = (h + (h << 10)) & 0xFFFFFFFF
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h ^= h >> 6
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h = (h + (h << 3)) & 0xFFFFFFFF
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h ^= h >> 11
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h = (h + (h << 15)) & 0xFFFFFFFF
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return h
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