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How to use __patch method in yandex-tank

Best Python code snippet using yandex-tank

patch.py

Source:patch.py

...14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.15# See the License for the specific language governing permissions and16# limitations under the License.17from CodernityDB.misc import NONE18def __patch(obj, name, new):19    n = NONE()20    orig = getattr(obj, name, n)21    if orig is not n:22        if orig == new:23            raise Exception("Shouldn't happen, new and orig are the same")24        setattr(obj, name, new)25    return26def patch_cache_lfu(lock_obj):27    """28    Patnches cache mechanizm to be thread safe (gevent ones also)29    .. note::30       It's internal CodernityDB mechanizm, it will be called when needed31    """32    import lfu_cache33    import lfu_cache_with_lock34    lfu_lock1lvl = lfu_cache_with_lock.create_cache1lvl(lock_obj)35    lfu_lock2lvl = lfu_cache_with_lock.create_cache2lvl(lock_obj)36    __patch(lfu_cache, 'cache1lvl', lfu_lock1lvl)37    __patch(lfu_cache, 'cache2lvl', lfu_lock2lvl)38def patch_cache_rr(lock_obj):39    """40    Patches cache mechanizm to be thread safe (gevent ones also)41    .. note::42       It's internal CodernityDB mechanizm, it will be called when needed43    """44    import rr_cache45    import rr_cache_with_lock46    rr_lock1lvl = rr_cache_with_lock.create_cache1lvl(lock_obj)47    rr_lock2lvl = rr_cache_with_lock.create_cache2lvl(lock_obj)48    __patch(rr_cache, 'cache1lvl', rr_lock1lvl)49    __patch(rr_cache, 'cache2lvl', rr_lock2lvl)50def patch_flush_fsync(db_obj):51    """52    Will always execute index.fsync after index.flush.53    .. note::54       It's for advanced users, use when you understand difference between `flush` and `fsync`, and when you definitely need that.55    It's important to call it **AFTER** database has all indexes etc (after db.create or db.open)56    Example usage::57        ...58        db = Database('/tmp/patch_demo')59        db.create()60        patch_flush_fsync(db)61        ...62    """63    def always_fsync(ind_obj):...

__init__.py

Source:__init__.py

...3A package that gives you info on oodles of bitcoin pools4"""5from version import __version__6local_api = None7def __patch():8    """9    Extremely magical gevent deffering patch10    """11    global local_api12    if not local_api:13        import gevent.monkey14        gevent.monkey.patch_all(thread = False, time=False)15        import api16        local_api = api.API()17        18def add_pools(filenames):19    """20    Adds pools defined by their filenames21    """22    __patch()23    local_api.add_pools(filenames)24def get_coins():25    """26    Returns a set of coin objects.27    x.fields describes existing fields28    """29    __patch()30    return local_api.get_coins()31    32def get_pools():33    """34    Returns a set of Pool objects.35    x.fields describes existing fields36    """37    __patch()38    return local_api.get_pools()39    40def get_pool(name):41    """42    Returns a matching pool with the name43    Otherwise returns None44    """45    __patch()46    item = filter(lambda x: x.name == name, local_api.get_pools())47    if item == []:48        return None49    return item[0]50    51def get_difficulty(coin):52    """53    Returns the difficulty of a coin54    """55    __patch()56    return local_api.get_difficulty(coin)57    58def get_exchange(coin):59    """60    Returns the exchange rate for the coin61    """62    __patch()63    return local_api.get_exchange(coin)64    ...

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