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##############################################################################
# Copyright (c) 2016 ZTE Corp and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from collections import defaultdict
from itertools import chain
from os import listdir
from os import path
import yaml
from qtip.base.error import InvalidFormat, NotFound
from qtip.base.constant import BaseProp
ROOT_DIR = path.join(path.dirname(__file__), path.pardir, path.pardir,
'benchmarks')
class BaseLoader(object):
"""Abstract class of QTIP benchmark loader"""
RELATIVE_PATH = '.'
_paths = [ROOT_DIR]
def __init__(self, name, paths=None):
self._file = name
self._abspath = self._find(name, paths=paths)
content = defaultdict(lambda: None)
try:
content.update(yaml.safe_load(file(self._abspath)))
except yaml.YAMLError:
# TODO(yujunz) log yaml error
raise InvalidFormat(self._abspath)
self.name = content[BaseProp.NAME] or path.splitext(name)[0]
self.content = content
def _find(self, name, paths=None):
"""find a benchmark in searching paths"""
paths = self._paths if paths is None else paths
for p in paths:
abspath = path.join(p, self.RELATIVE_PATH, name)
if path.exists(abspath):
return abspath
raise NotFound(name, paths)
@classmethod
def list_all(cls, paths=None):
"""list all available benchmarks"""
paths = cls._paths if paths is None else paths
names = chain.from_iterable([listdir(path.join(p, cls.RELATIVE_PATH))
for p in paths])
for name in names:
item = cls(name, paths=paths)
yield {
BaseProp.NAME: name,
BaseProp.ABSPATH: item._abspath,
BaseProp.CONTENT: item.content}
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