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72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
import os
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import subprocess
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import sys
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from io import BytesIO
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def run_cmd(command):
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import sys
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if not sys.stdin.isatty():
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return run_cmd_subprocess(command)
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try:
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import pexpect # noqa: F401
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except ImportError:
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return run_cmd_subprocess(command)
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return run_cmd_pexpect(command)
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def run_cmd_subprocess(command):
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try:
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result = subprocess.run(
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command,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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shell=True,
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encoding=sys.stdout.encoding,
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errors="replace",
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)
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return result.returncode, result.stdout
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except Exception as e:
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return 1, str(e)
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def run_cmd_pexpect(command):
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"""
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Run a shell command interactively using pexpect, capturing all output.
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:param command: The command to run as a string.
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:return: A tuple containing (exit_status, output)
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"""
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import pexpect
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output = BytesIO()
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def output_callback(b):
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output.write(b)
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return b
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try:
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# Use the SHELL environment variable, falling back to /bin/sh if not set
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shell = os.environ.get("SHELL", "/bin/sh")
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if os.path.exists(shell):
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# Use the shell from SHELL environment variable
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child = pexpect.spawn(shell, args=["-c", command], encoding="utf-8")
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else:
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# Fall back to spawning the command directly
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child = pexpect.spawn(command, encoding="utf-8")
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# Transfer control to the user, capturing output
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child.interact(output_filter=output_callback)
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# Wait for the command to finish and get the exit status
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child.close()
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return child.exitstatus, output.getvalue().decode("utf-8", errors="replace")
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except pexpect.ExceptionPexpect as e:
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error_msg = f"Error running command: {e}"
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return 1, error_msg
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