| # Copyright 2014 Google Inc. All rights reserved. |
| # |
| # 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 fileinput |
| import os |
| import shutil |
| import sys |
| import tempfile |
| |
| |
| if sys.version_info[0] < 3: |
| # pylint: disable=redefined-builtin |
| str = unicode |
| |
| |
| class Host(object): |
| def __init__(self): |
| self.stdin = sys.stdin |
| self.stdout = sys.stdout |
| self.stderr = sys.stderr |
| |
| def chdir(self, *comps): |
| return os.chdir(self.join(*comps)) |
| |
| def fileinput(self, files=None): |
| if not files: |
| return self.stdin.readlines() |
| return fileinput.input(files) |
| |
| def getcwd(self): |
| return os.getcwd() |
| |
| def join(self, *comps): |
| return os.path.join(*comps) |
| |
| def mkdtemp(self, **kwargs): |
| return tempfile.mkdtemp(**kwargs) |
| |
| def print_(self, msg=u'', end=u'\n', stream=None): |
| stream = stream or self.stdout |
| stream.write(str(msg) + end) |
| stream.flush() |
| |
| def rmtree(self, path): |
| shutil.rmtree(path, ignore_errors=True) |
| |
| def write_text_file(self, path, contents): |
| with open(path, 'wb') as f: |
| f.write(contents.encode('utf8')) |