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Diffstat (limited to 'qtip/loader/base.py')
-rw-r--r-- | qtip/loader/base.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/qtip/loader/base.py b/qtip/loader/base.py new file mode 100644 index 00000000..f7fcb669 --- /dev/null +++ b/qtip/loader/base.py @@ -0,0 +1,62 @@ +############################################################################## +# 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 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 PropName + +ROOT_DIR = 'benchmarks' + + +class BaseLoader(object): + """Abstract class of QTIP benchmark loader""" + DEFAULT_DIR = '.' + _paths = [path.join(path.dirname(__file__), path.pardir, path.pardir, + ROOT_DIR)] + + def __init__(self, name, paths=None): + self._file = name + self._abspath = self._find(name, paths) + + try: + content = yaml.safe_load(file(self._abspath)) + except yaml.YAMLError: + # TODO(yujunz) log yaml error + raise InvalidFormat(self._abspath) + + self.name = content[PropName.NAME] if PropName.NAME in content \ + else path.splitext(name)[0] + self.content = content + + def _find(self, name, paths): + """find a benchmark in searching paths""" + paths = self._paths if paths is None else paths + name = path.join(self.DEFAULT_DIR, name) + for p in paths: + abspath = path.join(p, 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.DEFAULT_DIR)) + for p in paths]) + for name in names: + item = cls(name, paths=paths) + yield { + PropName.NAME: name, + PropName.ABSPATH: item._abspath, + PropName.CONTENT: item.content} |