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https://github.com/ARM-software/devlib.git
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ed7f0e56a2
Strings are passed to subprocess.Popen is used instead of sequences, so proper quoting of parameters in command lines is needed to avoid failures on filenames containing e.g. parenthesis. Use pipes.quote to quote a string to avoid any issue with special characters.
107 lines
4.0 KiB
Python
107 lines
4.0 KiB
Python
# Copyright 2015-2017 ARM Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from glob import iglob
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import os
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import signal
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import shutil
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import subprocess
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import logging
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from distutils.dir_util import copy_tree
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from getpass import getpass
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from pipes import quote
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from devlib.exception import TargetTransientError, TargetStableError
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from devlib.utils.misc import check_output
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PACKAGE_BIN_DIRECTORY = os.path.join(os.path.dirname(__file__), 'bin')
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# pylint: disable=redefined-outer-name
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def kill_children(pid, signal=signal.SIGKILL):
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with open('/proc/{0}/task/{0}/children'.format(pid), 'r') as fd:
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for cpid in map(int, fd.read().strip().split()):
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kill_children(cpid, signal)
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os.kill(cpid, signal)
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class LocalConnection(object):
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name = 'local'
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# pylint: disable=unused-argument
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def __init__(self, platform=None, keep_password=True, unrooted=False,
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password=None, timeout=None):
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self.logger = logging.getLogger('local_connection')
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self.keep_password = keep_password
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self.unrooted = unrooted
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self.password = password
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def push(self, source, dest, timeout=None, as_root=False): # pylint: disable=unused-argument
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self.logger.debug('cp {} {}'.format(source, dest))
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shutil.copy(source, dest)
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def pull(self, source, dest, timeout=None, as_root=False): # pylint: disable=unused-argument
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self.logger.debug('cp {} {}'.format(source, dest))
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if ('*' in source or '?' in source) and os.path.isdir(dest):
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# Pull all files matching a wildcard expression
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for each_source in iglob(source):
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shutil.copy(each_source, dest)
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else:
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if os.path.isdir(source):
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# Use distutils to allow copying into an existing directory structure.
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copy_tree(source, dest)
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else:
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shutil.copy(source, dest)
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# pylint: disable=unused-argument
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def execute(self, command, timeout=None, check_exit_code=True,
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as_root=False, strip_colors=True, will_succeed=False):
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self.logger.debug(command)
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if as_root:
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if self.unrooted:
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raise TargetStableError('unrooted')
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password = self._get_password()
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command = 'echo {} | sudo -S '.format(quote(password)) + command
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ignore = None if check_exit_code else 'all'
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try:
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return check_output(command, shell=True, timeout=timeout, ignore=ignore)[0]
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except subprocess.CalledProcessError as e:
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message = 'Got exit code {}\nfrom: {}\nOUTPUT: {}'.format(
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e.returncode, command, e.output)
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if will_succeed:
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raise TargetTransientError(message)
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else:
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raise TargetStableError(message)
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def background(self, command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, as_root=False):
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if as_root:
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if self.unrooted:
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raise TargetStableError('unrooted')
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password = self._get_password()
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command = 'echo {} | sudo -S '.format(quote(password)) + command
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return subprocess.Popen(command, stdout=stdout, stderr=stderr, shell=True)
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def close(self):
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pass
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def cancel_running_command(self):
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pass
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def _get_password(self):
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if self.password:
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return self.password
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password = getpass('sudo password:')
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if self.keep_password:
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self.password = password
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return password
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