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# Copyright (C) 2016 Intel Corporation
# Released under the MIT license (see COPYING.MIT)
import os
import sys
import importlib
from abc import abstractmethod
# Used to keep record of registered targets, it
# uses class' targetName as the key to the class.
targetClasses = {}
def registerTarget(obj):
""" Use as decorator to register targets for runtime testing """
if (obj.targetName in targetClasses and
obj.__name__ != targetClasses[obj.targetName].__name__):
msg = ('Tried to register %s as "%s" that is used by %s' %
(obj, obj.targetName, targetClasses[obj.targetName]))
raise ImportError(msg)
if not issubclass(obj, OETarget):
raise TypeError('%s must inherit from OETarget' % obj)
targetClasses[obj.targetName] = obj
return obj
class OETarget(object):
def __init__(self, logger, *args, **kwargs):
self.logger = logger
@abstractmethod
def start(self):
pass
@abstractmethod
def stop(self):
pass
@abstractmethod
def run(self, cmd, timeout=None):
pass
@abstractmethod
def copyTo(self, localSrc, remoteDst):
pass
@abstractmethod
def copyFrom(self, remoteSrc, localDst):
pass
@abstractmethod
def copyDirTo(self, localSrc, remoteDst):
pass
def discover_targets(layer_paths):
"""
Imports modules found in 'lib/oeqa/core/target'.
This is used to register targets using registerTarget decorator.
"""
target_path = 'lib/oeqa/core/target'
paths = [os.path.join(p, target_path) for p in layer_paths]
for path in paths:
files_python = [os.path.join(root, filename)
for root, _, filenames in os.walk(path)
for filename in filenames
if filename.endswith('.py')]
for f in files_python:
if '__init__.py' in f:
continue
abs_path = os.path.abspath(f)
for sys_path in sys.path:
if sys_path in abs_path:
rel_path = os.path.relpath(abs_path, sys_path)
break
name = rel_path.replace('.py', '').replace(os.path.sep, '.')
importlib.import_module(name)
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