A library containing standardized trait strings. Used by placement service and clients to ensure consistency.
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Rodolfo Alonso Hernandez c091deb9b5 Add NIC offload features
Adds a set of new traits representing features that hardware networking
interface controllers expose. A number of source documents were used to
come up with these traits:

https://www.kernel.org/doc/Documentation/networking/checksum-offloads.txt
https://www.kernel.org/doc/Documentation/networking/netdev-features.txt

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README.rst

os-traits

A library containing standardized trait strings.

Traits are strings that represent a feature of some resource provider. This library contains the catalog of constants that have been standardized in the OpenStack community to refer to a particular hardware, virtualization, storage, network, or device trait.

Usage

os-traits is primarily composed of a set of constants that may be referenced by simply importing the os_traits module and referencing one of the module's traits constants:

$ python
Python 2.7.11+ (default, Apr 17 2016, 14:00:29)
[GCC 5.3.1 20160413] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import os_traits as ot
>>> print ot.HW_CPU_X86_SSE42
HW_CPU_X86_SSE42

You can get a list of the os_traits symbols by simply doing a dir(os_traits).

Want to see the trait strings for a subset of traits? There's a method for that too:

>>> pprint.pprint(ot.get_traits(ot.NAMESPACES['X86']))
['HW_CPU_X86_AES-NI',
 'HW_CPU_X86_AVX512ER',
 'HW_CPU_X86_AVX512CD',
 'HW_CPU_X86_TBM',
 'HW_CPU_X86_TSX',
 'HW_CPU_X86_FMA3',
 'HW_CPU_X86_SVM',
 'HW_CPU_X86_FMA4',
 'HW_CPU_X86_MPX',
 'HW_CPU_X86_SSE2',
 'HW_CPU_X86_SSE3',
 'HW_CPU_X86_MMX',
 'HW_CPU_X86_SSSE3',
 'HW_CPU_X86_SSE4A',
 'HW_CPU_X86_AVX2',
 'HW_CPU_X86_SGX',
 'HW_CPU_X86_AVX',
 'HW_CPU_X86_AVX512BW',
 'HW_CPU_X86_AVX512DQ',
 'HW_CPU_X86_SSE',
 'HW_CPU_X86_SHA',
 'HW_CPU_X86_AVX512F',
 'HW_CPU_X86_F16C',
 'HW_CPU_X86_SSE41',
 'HW_CPU_X86_SSE42',
 'HW_CPU_X86_VMX',
 'HW_CPU_X86_ASF',
 'HW_CPU_X86_BMI2',
 'HW_CPU_X86_CLMUL',
 'HW_CPU_X86_AVX512VL',
 'HW_CPU_X86_AVX512PF',
 'HW_CPU_X86_XOP',
 'HW_CPU_X86_BMI',
 'HW_CPU_X86_ABM',
 'HW_CPU_X86_3DNOW']