| # 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 sys |
| |
| |
| DeprecatedIn04 = DeprecationWarning |
| |
| |
| def register_interface(iface): |
| def register_decorator(klass): |
| iface.register(klass) |
| return klass |
| return register_decorator |
| |
| |
| def bit_length(x): |
| if sys.version_info >= (2, 7): |
| return x.bit_length() |
| else: |
| return len(bin(x)) - (2 + (x <= 0)) |