| # 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. | 
 | from __future__ import absolute_import, division, print_function | 
 |  | 
 | import invoke | 
 |  | 
 |  | 
 | @invoke.task | 
 | def release(version): | 
 |     """ | 
 |     ``version`` should be a string like '0.4' or '1.0'. | 
 |     """ | 
 |     invoke.run("git tag -s {0}".format(version)) | 
 |     invoke.run("git push --tags") | 
 |  | 
 |     invoke.run("python setup.py sdist") | 
 |     invoke.run("twine upload -s dist/cryptography-{0}*".format(version)) |