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25 lines
643 B
Python
25 lines
643 B
Python
import os
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from typing import Optional
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class Command:
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def __init__(self, cmd: str) -> None:
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self.command = cmd
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@staticmethod
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def executable(cmd: str) -> bool:
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return os.path.isfile(cmd) and os.access(cmd, os.X_OK)
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def locate(self) -> Optional[str]:
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path, _ = os.path.split(self.command)
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if path and self.executable(self.command):
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return self.command
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for path in os.environ["PATH"].split(os.pathsep):
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path = path.strip('"')
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exe = os.path.join(path, self.command)
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if self.executable(exe):
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return exe
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return None
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