Rename the devtools library: pylib -> devtoolslib.

mojo/devtools/common/pylib/linux_shell.py

-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import subprocess
-
-from pylib.shell import Shell
-
-
-class LinuxShell(Shell):
-  """Wrapper around Mojo shell running on Linux.
-
-  Args:
-    executable_path: path to the shell binary
-    command_prefix: optional list of arguments to prepend to the shell command,
-        allowing e.g. to run the shell under debugger.
-  """
-
-  def __init__(self, executable_path, command_prefix=None):
-    self.executable_path = executable_path
-    self.command_prefix = command_prefix if command_prefix else []
-
-  def Run(self, arguments):
-    """Runs the shell with given arguments until shell exits, passing the stdout
-    mingled with stderr produced by the shell onto the stdout.
-
-    Returns:
-      Exit code retured by the shell or None if the exit code cannot be
-      retrieved.
-    """
-    command = self.command_prefix + [self.executable_path] + arguments
-    return subprocess.call(command, stderr=subprocess.STDOUT)
-
-  def RunAndGetOutput(self, arguments):
-    """Runs the shell with given arguments until shell exits.
-
-    Args:
-      arguments: list of arguments for the shell
-
-    Returns:
-      A tuple of (return_code, output). |return_code| is the exit code returned
-      by the shell or None if the exit code cannot be retrieved. |output| is the
-      stdout mingled with the stderr produced by the shell.
-    """
-    command = self.command_prefix + [self.executable_path] + arguments
-    p = subprocess.Popen(command, stdout=subprocess.PIPE,
-                         stderr=subprocess.STDOUT)
-    (output, _) = p.communicate()
-    return p.returncode, output