90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
#!/usr/bin/python
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# Copyright (C) 2020 Jelmer Vernooij <jelmer@jelmer.uk>
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# encoding: utf-8
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from typing import Optional, List, Dict
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import sys
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import subprocess
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class Session(object):
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def __enter__(self) -> "Session":
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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return False
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def chdir(self, cwd: str) -> None:
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raise NotImplementedError(self.chdir)
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@property
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def location(self) -> str:
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raise NotImplementedError
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def check_call(
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self,
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argv: List[str],
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cwd: Optional[str] = None,
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user: Optional[str] = None,
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env: Optional[Dict[str, str]] = None,
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):
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raise NotImplementedError(self.check_call)
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def check_output(
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self,
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argv: List[str],
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cwd: Optional[str] = None,
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user: Optional[str] = None,
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env: Optional[Dict[str, str]] = None,
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) -> bytes:
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raise NotImplementedError(self.check_output)
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def Popen(
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self, argv, cwd: Optional[str] = None, user: Optional[str] = None, **kwargs
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):
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raise NotImplementedError(self.Popen)
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def call(
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self, argv: List[str], cwd: Optional[str] = None, user: Optional[str] = None
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):
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raise NotImplementedError(self.call)
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def create_home(self) -> None:
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"""Create the user's home directory."""
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raise NotImplementedError(self.create_home)
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def exists(self, path: str) -> bool:
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"""Check whether a path exists in the chroot."""
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raise NotImplementedError(self.exists)
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def scandir(self, path: str):
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raise NotImplementedError(self.scandir)
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class SessionSetupFailure(Exception):
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"""Session failed to be set up."""
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def run_with_tee(session: Session, args: List[str], **kwargs):
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p = session.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kwargs)
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contents = []
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while p.poll() is None:
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line = p.stdout.readline()
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sys.stdout.buffer.write(line)
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sys.stdout.buffer.flush()
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contents.append(line.decode("utf-8", "surrogateescape"))
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return p.returncode, contents
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