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#
# Copyright 2016 - The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from subprocess import Popen, PIPE
import socket
def exe_cmd(*cmds):
"""Executes commands in a new shell. Directing stderr to PIPE.
This is fastboot's own exe_cmd because of its peculiar way of writing
non-error info to stderr.
Args:
cmds: A sequence of commands and arguments.
Returns:
The output of the command run.
Raises:
Exception is raised if an error occurred during the command execution.
"""
cmd = ' '.join(cmds)
proc = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
(out, err) = proc.communicate()
if not err:
return out
return err
def isFastbootOverTcp(serial):
token = serial.split(':')
if len(token) == 2:
try:
socket.inet_aton(token[0])
return True
except socket.error:
return False
return False
class FastbootError(Exception):
"""Raised when there is an error in fastboot operations."""
class FastbootProxy():
"""Proxy class for fastboot.
For syntactic reasons, the '-' in fastboot commands need to be replaced
with '_'. Can directly execute fastboot commands on an object:
>> fb = FastbootProxy(<serial>)
>> fb.devices() # will return the console output of "fastboot devices".
"""
def __init__(self, serial=""):
self.serial = serial
if serial:
if isFastbootOverTcp(serial):
self.fastboot_str = "fastboot -s tcp:{}".format(serial[:serial.index(':')])
else:
self.fastboot_str = "fastboot -s {}".format(serial)
else:
self.fastboot_str = "fastboot"
def _exec_fastboot_cmd(self, name, arg_str):
return exe_cmd(' '.join((self.fastboot_str, name, arg_str)))
def args(self, *args):
return exe_cmd(' '.join((self.fastboot_str, ) + args))
def __getattr__(self, name):
def fastboot_call(*args):
clean_name = name.replace('_', '-')
arg_str = ' '.join(str(elem) for elem in args)
return self._exec_fastboot_cmd(clean_name, arg_str)
return fastboot_call