2013-10-11 17:28:32 +00:00
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import, division, print_function
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import sys
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2014-09-30 16:15:32 +00:00
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DeprecatedIn05 = DeprecationWarning
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DeprecatedIn06 = PendingDeprecationWarning
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2013-10-11 17:28:32 +00:00
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def register_interface(iface):
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def register_decorator(klass):
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iface.register(klass)
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return klass
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return register_decorator
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def bit_length(x):
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if sys.version_info >= (2, 7):
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return x.bit_length()
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else:
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return len(bin(x)) - (2 + (x <= 0))
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