34d9055c10
Adds a script for pixel hardware with conservatively low clocks. Bug: skia: Change-Id: I1ade703ab9f0b4aefc9cf630e3d2efb996afd69f Reviewed-on: https://skia-review.googlesource.com/62343 Reviewed-by: Eric Boren <borenet@google.com> Commit-Queue: Chris Dalton <csmartdalton@google.com>
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
# Copyright 2016 Google Inc.
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#
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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from __future__ import print_function
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import re
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import time
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import subprocess
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import sys
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class Adb:
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def __init__(self, device_serial=None, adb_binary=None, echo=False):
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self.__invocation = [adb_binary]
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if device_serial:
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self.__invocation.extend(['-s', device_serial])
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self.__echo = echo
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self.__is_root = None
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def shell(self, cmd):
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if self.__echo:
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self.__echo_shell_cmd(cmd)
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self.__invoke('shell', cmd)
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def check(self, cmd):
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if self.__echo:
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self.__echo_shell_cmd(cmd)
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result = subprocess.check_output(self.__invocation + ['shell', cmd])
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if self.__echo:
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print(result, file=sys.stderr)
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return result
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def root(self):
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if not self.is_root():
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self.__invoke('root')
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self.__invoke('wait-for-device')
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self.__is_root = None
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return self.is_root()
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def is_root(self):
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if self.__is_root is None:
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self.__is_root = ('root' == self.check('whoami').strip())
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return self.__is_root
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def remount(self):
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self.__invoke('remount')
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def reboot(self):
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self.__is_root = None
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self.shell('reboot')
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self.__invoke('wait-for-device')
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while '1' != self.check('getprop sys.boot_completed').strip():
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time.sleep(1)
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def __echo_shell_cmd(self, cmd):
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escaped = [re.sub(r'([^a-zA-Z0-9])', r'\\\1', x)
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for x in cmd.strip().splitlines()]
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self.__invoke('shell', 'echo', '$(whoami)@$(getprop ro.serialno)$',
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" '\n>' ".join(escaped))
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def __invoke(self, *args):
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subprocess.call(self.__invocation + list(args), stdout=sys.stderr)
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