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How to use get_default_provider method in localstack

Best Python code snippet using localstack_python

user.py

Source:user.py

...165        logger.debug("Creating User Profile for %s" % instance)166# Instantiate the hooks:167post_save.connect(get_or_create_user_profile, sender=AtmosphereUser)168# USER METHODS HERE169def get_default_provider(username):170    """171    Return default provider given172    """173    try:174        from core.models.group import get_user_group175        from core.models.provider import Provider176        group = get_user_group(username)177        provider_ids = group.current_identities.values_list(178            'provider',179            flat=True)180        provider = Provider.objects.filter(181            id__in=provider_ids,182            type__name="OpenStack")183        if provider:184            logger.debug("get_default_provider selected a new "185                         "Provider for %s: %s" % (username, provider))186            provider = provider[0]187        else:188            logger.error("get_default_provider could not find a new "189                         "Provider for %s" % (username,))190            return None191        return provider192    except Exception as e:193        logger.exception("get_default_provider encountered an error "194                         "for %s" % (username,))195        return None196def get_default_identity(username, provider=None):197    """198    Return the default identity given to the user-group for provider.199    """200    try:201        from core.models.group import get_user_group202        group = get_user_group(username)203        if not group or not group.current_identities.all().count():204            logger.info("Cannot find the group for user: %s" % username)205            return None206        identities = group.current_identities.all()207        if provider:208            if provider.is_active():209                identities = identities.filter(provider=provider)210                return identities[0]211            else:212                logger.error("Provider provided for "213                             "get_default_identity is inactive.")214                raise "Inactive Provider provided for get_default_identity "215        else:216            default_provider = get_default_provider(username)217            default_identity = group.current_identities.filter(218                provider=default_provider)219            if not default_identity:220                logger.error("User %s has no identities on Provider %s" % (username, default_provider))221                raise Exception("No Identities on Provider %s for %s" % (default_provider, username))222            # Passing223            default_identity = default_identity[0]224            logger.debug(225                "default_identity set to %s " %226                default_identity)227            return default_identity228    except Exception as e:229        logger.exception(e)230        return None...

beaver.py

Source:beaver.py

...21#         "conv2d",22#         "conv_transpose1d",23#         "conv_transpose2d",24#     }25#     provider = crypten.mpc.get_default_provider()26#     a, b, c = provider.generate_additive_triple(27#         x.size(), y.size(), op, device=x.device, *args, **kwargs28#     )29#     # Vectorized reveal to reduce rounds of communication30#     from .arithmetic import ArithmeticSharedTensor31#     eps_del = ArithmeticSharedTensor.reveal_batch([x - a, y - b])32#     epsilon = eps_del[0]33#     delta = eps_del[1]34#     # z = c + (a * delta) + (epsilon * b) + epsilon * delta35#     c._tensor += getattr(torch, op)(epsilon, b._tensor, *args, **kwargs)36#     c._tensor += getattr(torch, op)(a._tensor, delta, *args, **kwargs)37#     c += getattr(torch, op)(epsilon, delta, *args, **kwargs)38#     return c39# def mul(x, y):40#     return __beaver_protocol("mul", x, y)41# def matmul(x, y):42#     return __beaver_protocol("matmul", x, y)43# def conv1d(x, y, **kwargs):44#     return __beaver_protocol("conv1d", x, y, **kwargs)45# def conv2d(x, y, **kwargs):46#     return __beaver_protocol("conv2d", x, y, **kwargs)47# def conv_transpose1d(x, y, **kwargs):48#     return __beaver_protocol("conv_transpose1d", x, y, **kwargs)49# def conv_transpose2d(x, y, **kwargs):50#     return __beaver_protocol("conv_transpose2d", x, y, **kwargs)51# def square(x):52#     """Computes the square of `x` for additively secret-shared tensor `x`53#     1. Obtain uniformly random sharings [r] and [r2] = [r * r]54#     2. Additively hide [x] with appropriately sized [r]55#     3. Open ([epsilon] = [x] - [r])56#     4. Return z = [r2] + 2 * epsilon * [r] + epsilon ** 257#     """58#     provider = crypten.mpc.get_default_provider()59#     r, r2 = provider.square(x.size(), device=x.device)60#     epsilon = (x - r).reveal()61#     return r2 + 2 * r * epsilon + epsilon * epsilon62# def wraps(x):63#     """Privately computes the number of wraparounds for a set a shares64#     To do so, we note that:65#         [theta_x] = theta_z + [beta_xr] - [theta_r] - [eta_xr]66#     Where [theta_i] is the wraps for a variable i67#           [beta_ij] is the differential wraps for variables i and j68#           [eta_ij]  is the plaintext wraps for variables i and j69#     Note: Since [eta_xr] = 0 with probability 1 - |x| / Q for modulus Q, we70#     can make the assumption that [eta_xr] = 0 with high probability.71#     """72#     provider = crypten.mpc.get_default_provider()73#     r, theta_r = provider.wrap_rng(x.size(), device=x.device)74#     beta_xr = theta_r.clone()75#     beta_xr._tensor = count_wraps([x._tensor, r._tensor])76#     z = x + r77#     theta_z = comm.get().gather(z._tensor, 0)78#     theta_x = beta_xr - theta_r79#     # TODO: Incorporate eta_xr80#     if x.rank == 0:81#         theta_z = count_wraps(theta_z)82#         theta_x._tensor += theta_z83#     return theta_x84# def AND(x, y):85#     """86#     Performs Beaver protocol for binary secret-shared tensors x and y87#     1. Obtain uniformly random sharings [a],[b] and [c] = [a & b]88#     2. XOR hide [x] and [y] with appropriately sized [a] and [b]89#     3. Open ([epsilon] = [x] ^ [a]) and ([delta] = [y] ^ [b])90#     4. Return [c] ^ (epsilon & [b]) ^ ([a] & delta) ^ (epsilon & delta)91#     """92#     from .binary import BinarySharedTensor93#     provider = crypten.mpc.get_default_provider()94#     a, b, c = provider.generate_binary_triple(x.size(), y.size(), device=x.device)95#     # Stack to vectorize reveal96#     eps_del = BinarySharedTensor.reveal_batch([x ^ a, y ^ b])97#     epsilon = eps_del[0]98#     delta = eps_del[1]99#     return (b & epsilon) ^ (a & delta) ^ (epsilon & delta) ^ c100# def B2A_single_bit(xB):101#     """Converts a single-bit BinarySharedTensor xB into an102#         ArithmeticSharedTensor. This is done by:103#     1. Generate ArithmeticSharedTensor [rA] and BinarySharedTensor =rB= with104#         a common 1-bit value r.105#     2. Hide xB with rB and open xB ^ rB106#     3. If xB ^ rB = 0, then return [rA], otherwise return 1 - [rA]107#         Note: This is an arithmetic xor of a single bit.108#     """109#     if comm.get().get_world_size() < 2:110#         from .arithmetic import ArithmeticSharedTensor111#         return ArithmeticSharedTensor(xB._tensor, precision=0, src=0)112#     provider = crypten.mpc.get_default_provider()113#     rA, rB = provider.B2A_rng(xB.size(), device=xB.device)114    115#     #xB.share = xB.share.long()116#     z = (xB ^ rB).reveal()117#     rA = rA * (1 - 2 * z) + z...

web3.py

Source:web3.py

1from web3 import Web32from config import Web3ProviderConfig3def get_default_provider():4    """5    :return: default HTTPProvider (endpoint url from config.py)6    """7    return Web3.HTTPProvider(8        Web3ProviderConfig.endpoint_url,9        request_kwargs={10            'timeout': Web3ProviderConfig.timeout11        }12    )13def get_web3(provider=None, default_account=None):14    """15    Returns web3 instance for backend interacting with block chain network. If not setting provider parameter, bring16    configuration from config.py.17    """18    web3 = Web3(provider) if provider else Web3(get_default_provider())19    if default_account is None and web3.eth.accounts:20        default_account = web3.eth.accounts[0]21    web3.eth.defaultAccount = default_account...

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