50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
import os
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import subprocess
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from typing import NamedTuple
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from charset_normalizer import from_bytes
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from commitizen.exceptions import CharacterSetDecodeError
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class Command(NamedTuple):
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out: str
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err: str
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stdout: bytes
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stderr: bytes
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return_code: int
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def _try_decode(bytes_: bytes) -> str:
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try:
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return bytes_.decode("utf-8")
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except UnicodeDecodeError:
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charset_match = from_bytes(bytes_).best()
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if charset_match is None:
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raise CharacterSetDecodeError()
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try:
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return bytes_.decode(charset_match.encoding)
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except UnicodeDecodeError as e:
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raise CharacterSetDecodeError() from e
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def run(cmd: str, env=None) -> Command:
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if env is not None:
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env = {**os.environ, **env}
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process = subprocess.Popen(
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cmd,
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shell=True,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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stdin=subprocess.PIPE,
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env=env,
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)
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stdout, stderr = process.communicate()
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return_code = process.returncode
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return Command(
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_try_decode(stdout),
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_try_decode(stderr),
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stdout,
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stderr,
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return_code,
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)
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