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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# utils: common methods used by the patchtest framework
#
# Copyright (C) 2016 Intel Corporation
#
# SPDX-License-Identifier: GPL-2.0-only
#
import os
import subprocess
import logging
import re
import mailbox
class CmdException(Exception):
""" Simple exception class where its attributes are the ones passed when instantiated """
def __init__(self, cmd):
self._cmd = cmd
def __getattr__(self, name):
value = None
if self._cmd.has_key(name):
value = self._cmd[name]
return value
def exec_cmd(cmd, cwd, ignore_error=False, input=None, strip=True, updateenv={}):
"""
Input:
cmd: dict containing the following keys:
cmd : the command itself as an array of strings
ignore_error: if False, no exception is raised
strip: indicates if strip is done on the output (stdout and stderr)
input: input data to the command (stdin)
updateenv: environment variables to be appended to the current
process environment variables
NOTE: keys 'ignore_error' and 'input' are optional; if not included,
the defaults are the ones specify in the arguments
cwd: directory where commands are executed
ignore_error: raise CmdException if command fails to execute and
this value is False
input: input data (stdin) for the command
Output: dict containing the following keys:
cmd: the same as input
ignore_error: the same as input
strip: the same as input
input: the same as input
stdout: Standard output after command's execution
stderr: Standard error after command's execution
returncode: Return code after command's execution
"""
cmddefaults = {
'cmd':'',
'ignore_error':ignore_error,
'strip':strip,
'input':input,
'updateenv':updateenv,
}
# update input values if necessary
cmddefaults.update(cmd)
_cmd = cmddefaults
if not _cmd['cmd']:
raise CmdException({'cmd':None, 'stderr':'no command given'})
# update the environment
env = os.environ
env.update(_cmd['updateenv'])
_command = [e for e in _cmd['cmd']]
p = subprocess.Popen(_command,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
cwd=cwd,
env=env)
# execute the command and strip output
(_stdout, _stderr) = p.communicate(_cmd['input'])
if _cmd['strip']:
_stdout, _stderr = map(str.strip, [_stdout, _stderr])
# generate the result
result = _cmd
result.update({'cmd':_command,'stdout':_stdout,'stderr':_stderr,'returncode':p.returncode})
# launch exception if necessary
if not _cmd['ignore_error'] and p.returncode:
raise CmdException(result)
return result
def exec_cmds(cmds, cwd):
""" Executes commands
Input:
cmds: Array of commands
cwd: directory where commands are executed
Output: Array of output commands
"""
results = []
_cmds = cmds
for cmd in _cmds:
result = exec_cmd(cmd, cwd)
results.append(result)
return results
def logger_create(name):
logger = logging.getLogger(name)
loggerhandler = logging.StreamHandler()
loggerhandler.setFormatter(logging.Formatter("%(message)s"))
logger.addHandler(loggerhandler)
logger.setLevel(logging.INFO)
return logger
def get_subject_prefix(path):
prefix = ""
mbox = mailbox.mbox(path)
if len(mbox):
subject = mbox[0]['subject']
if subject:
pattern = re.compile(r"(\[.*\])", re.DOTALL)
match = pattern.search(subject)
if match:
prefix = match.group(1)
return prefix
def valid_branch(branch):
""" Check if branch is valid name """
lbranch = branch.lower()
invalid = lbranch.startswith('patch') or \
lbranch.startswith('rfc') or \
lbranch.startswith('resend') or \
re.search(r'^v\d+', lbranch) or \
re.search(r'^\d+/\d+', lbranch)
return not invalid
def get_branch(path):
""" Get the branch name from mbox """
fullprefix = get_subject_prefix(path)
branch, branches, valid_branches = None, [], []
if fullprefix:
prefix = fullprefix.strip('[]')
branches = [ b.strip() for b in prefix.split(',')]
valid_branches = [b for b in branches if valid_branch(b)]
if len(valid_branches):
branch = valid_branches[0]
return branch
|
