1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
# Copyright 2016 Google Inc.
#
# 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.
import logging
from subprocess import Popen, PIPE
from mobly import utils
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: An error occurred during the command execution.
"""
cmd = ' '.join(cmds)
proc = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
(out, err) = proc.communicate()
ret = proc.returncode
logging.debug(
'cmd: %s, stdout: %s, stderr: %s, ret: %s',
utils.cli_cmd_to_string(cmds),
out,
err,
ret,
)
if not err:
return out
return err
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:
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
|
