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https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/stats/quantiles.py#L887-L891
def _sort_tensor(tensor): """""" sorted_, _ = tf.nn.top_k(tensor, k=tf.shape(input=tensor)[-1]) sorted_.set_shape(tensor.shape) return sorted_
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/prefer_static.py#L100-L117
def rank_from_shape(shape_tensor_fn, tensorshape=None): """""" if tensorshape is None: shape_tensor = (shape_tensor_fn() if callable(shape_tensor_fn) else shape_tensor_fn) if (hasattr(shape_tensor, 'shape') and hasattr(shape_tensor.shape, 'num_elements')): ndims_ = tensors...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/backend/numpy/linalg.py#L97-L109
def _matmul(a, b, transpose_a=False, transpose_b=False, adjoint_a=False, adjoint_b=False, a_is_sparse=False, b_is_sparse=False, name=None): # pylint: disable=unused-argument """""" if a_is_sparse or b_is_sparse: raise NotImplementedError('Numpy backend does not s...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/latent_dirichlet_allocation_edward2.py#L194-L223
def make_lda_variational(activation, num_topics, layer_sizes): """ """ encoder_net = tf.keras.Sequential() for num_hidden_units in layer_sizes: encoder_net.add( tf.keras.layers.Dense( num_hidden_units, activation=activation, kernel_initializer=tf.compat.v1.glorot_...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/mcmc/diagnostic.py#L388-L393
def _axis_size(x, axis=None): """""" if axis is None: return tf.cast(tf.size(input=x), x.dtype) return tf.cast( tf.reduce_prod(input_tensor=tf.gather(tf.shape(input=x), axis)), x.dtype)
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/vector_diffeomixture.py#L936-L941
def concat_vectors(*args): """""" args_ = [tf.get_static_value(x) for x in args] if any(vec is None for vec in args_): return tf.concat(args, axis=0) return [val for vec in args_ for val in vec]
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/internal/slicing.py#L145-L155
def _apply_single_step(dist, params_event_ndims, slices, params_overrides): """""" if len(slices) == 1 and slices[0] == Ellipsis: # The path used by Distribution.copy: batch_slice(...args..., Ellipsis) override_dict = {} else: override_dict = _slice_params_to_dict(dist, params_event_ndims, slices) o...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/hooks/dbapi_hook.py#L81-L94
def get_pandas_df(self, sql, parameters=None): """ """ import pandas.io.sql as psql with closing(self.get_conn()) as conn: return psql.read_sql(sql, con=conn, params=parameters)
https://github.com/asciimoo/searx/blob/a84caa22cf947e973c10aa968d35fb2bdda6d048/searx/autocomplete.py#L37-L110
def searx_bang(full_query): '''''' # check if there is a query which can be parsed if len(full_query.getSearchQuery()) == 0: return [] results = [] # check if current query stats with !bang first_char = full_query.getSearchQuery()[0] if first_char == '!' or first_char == '?': ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L1701-L1793
def reduce_weighted_logsumexp(logx, w=None, axis=None, keep_dims=False, return_sign=False, name=None): """ """ with tf.name_scope(name or "reduce_weighted_logsumexp...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/glm/proximal_hessian.py#L235-L488
def fit_sparse(model_matrix, response, model, model_coefficients_start, tolerance, l1_regularizer, l2_regularizer=None, maximum_iterations=None, maximum_full_sweeps_per_iteration=1, lea...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/jobs.py#L2637-L2673
def heartbeat_callback(self, session=None): """""" if self.terminating: # ensure termination if processes are created later self.task_runner.terminate() return self.task_instance.refresh_from_db() ti = self.task_instance fqdn = get_hostname(...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/operators/postgres_to_gcs_operator.py#L114-L122
def _query_postgres(self): """ """ postgres = PostgresHook(postgres_conn_id=self.postgres_conn_id) conn = postgres.get_conn() cursor = conn.cursor() cursor.execute(self.sql, self.parameters) return cursor
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/linear_gaussian_ssm.py#L1275-L1394
def build_kalman_filter_step(get_transition_matrix_for_timestep, get_transition_noise_for_timestep, get_observation_matrix_for_timestep, get_observation_noise_for_timestep): """ """ def kalman_filter_step(state, elems_t): ...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/jobs.py#L1362-L1399
def _change_state_for_tasks_failed_to_execute(self, session): """ """ if self.executor.queued_tasks: TI = models.TaskInstance filter_for_ti_state_change = ( [and_( TI.dag_id == dag_id, TI.task_id == task_id,...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/mongo_hook.py#L281-L297
def delete_many(self, mongo_collection, filter_doc, mongo_db=None, **kwargs): """ """ collection = self.get_collection(mongo_collection, mongo_db=mongo_db) return collection.delete_many(filter_doc, **kwargs)
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/qubole_hook.py#L192-L200
def get_log(self, ti): """ """ if self.cmd is None: cmd_id = ti.xcom_pull(key="qbol_cmd_id", task_ids=self.task_id) Command.get_log_id(self.cls, cmd_id)
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/operators/mongo_to_s3.py#L71-L103
def execute(self, context): """ """ s3_conn = S3Hook(self.s3_conn_id) # Grab collection and execute query according to whether or not it is a pipeline if self.is_pipeline: results = MongoHook(self.mongo_conn_id).aggregate( mongo_collection=se...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/api/common/experimental/get_task.py#L24-L40
def get_task(dag_id, task_id): """""" dagbag = DagBag() # Check DAG exists. if dag_id not in dagbag.dags: error_message = "Dag id {} not found".format(dag_id) raise DagNotFound(error_message) # Get DAG object and check Task Exists dag = dagbag.get_dag(dag_id) if not dag.has...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/vi/csiszar_divergence.py#L506-L547
def log1p_abs(logu, name=None): """ """ with tf.compat.v1.name_scope(name, "log1p_abs", [logu]): logu = tf.convert_to_tensor(value=logu, name="logu") return tf.math.expm1(tf.abs(logu))
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/bijectors/masked_autoregressive.py#L957-L966
def _create_masks(degrees): """""" return [ # Create input->hidden and hidden->hidden masks. inp[:, np.newaxis] <= out for inp, out in zip(degrees[:-1], degrees[1:]) ] + [ # Create hidden->output mask. degrees[-1][:, np.newaxis] < degrees[0] ]
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/jobs.py#L1325-L1359
def _execute_task_instances(self, simple_dag_bag, states, session=None): """ """ executable_tis = self._find_executable_task_instances(simple_dag_bag, states, ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/bfgs.py#L327-L352
def _update_inv_hessian(prev_state, next_state): """""" # Only update the inverse Hessian if not already failed or converged. should_update = ~next_state.converged & ~next_state.failed # Compute the normalization term (y^T . s), should not update if is singular. gradient_delta = next_state.objective_gradient...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/latent_dirichlet_allocation_distributions.py#L225-L255
def make_prior(num_topics, initial_value): """ """ def _softplus_inverse(x): return np.log(np.expm1(x)) logit_concentration = tf.compat.v1.get_variable( "logit_concentration", shape=[1, num_topics], initializer=tf.compat.v1.initializers.constant( _softplus_inverse(initial_value)...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/bijectors/bijector.py#L122-L129
def _deep_tuple(self, x): """""" if isinstance(x, dict): return self._deep_tuple(tuple(sorted(x.items()))) elif isinstance(x, (list, tuple)): return tuple(map(self._deep_tuple, x)) return x
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/sts/decomposition.py#L222-L325
def decompose_forecast_by_component(model, forecast_dist, parameter_samples): """ """ with tf.compat.v1.name_scope('decompose_forecast_by_component'): try: forecast_lgssm = forecast_dist.components_distribution forecast_latent_mean, _ = forecast_lgssm._joint_mean() # pylint: disable=protected-a...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/positive_semidefinite_kernels/internal/util.py#L157-L171
def maybe_get_common_dtype(arg_list): """ """ # Note that `all` defaults to `True` if `arg_list` is empty. if all(a is None for a in arg_list): return None return dtype_util.common_dtype(arg_list, tf.float32)
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/sftp_hook.py#L126-L143
def describe_directory(self, path): """ """ conn = self.get_conn() flist = conn.listdir_attr(path) files = {} for f in flist: modify = datetime.datetime.fromtimestamp( f.st_mtime).strftime('%Y%m%d%H%M%S') files[f.filename] ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/layers/util.py#L119-L193
def default_mean_field_normal_fn( is_singular=False, loc_initializer=tf.compat.v1.initializers.random_normal(stddev=0.1), untransformed_scale_initializer=tf.compat.v1.initializers.random_normal( mean=-3., stddev=0.1), loc_regularizer=None, untransformed_scale_regularizer=None, loc_constr...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/gcp_api_base_hook.py#L137-L146
def _authorize(self): """ """ credentials = self._get_credentials() http = httplib2.Http() authed_http = google_auth_httplib2.AuthorizedHttp( credentials, http=http) return authed_http
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/qubole_hook.py#L164-L190
def get_results(self, ti=None, fp=None, inline=True, delim=None, fetch=True): """ """ if fp is None: iso = datetime.datetime.utcnow().isoformat() logpath = os.path.expanduser( configuration.conf.get('core', 'BASE_LOG_FOLDER') ) ...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/gcp_video_intelligence_hook.py#L41-L49
def get_conn(self): """ """ if not self._conn: self._conn = VideoIntelligenceServiceClient(credentials=self._get_credentials()) return self._conn
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/bfgs.py#L476-L491
def _tensor_product(t1, t2): """ """ return tf.matmul(tf.expand_dims(t1, axis=-1), tf.expand_dims(t2, axis=-2))
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L2103-L2159
def expand_to_vector(x, tensor_name=None, op_name=None, validate_args=False): """ """ with tf.name_scope(op_name or "expand_to_vector"): x = tf.convert_to_tensor(value=x, name="x") ndims = tensorshape_util.rank(x.shape) if ndims is None: # Maybe expand ndims from 0 to 1. if validate_args:...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/experimental/no_u_turn_sampler/nuts.py#L478-L500
def _leapfrog(value_and_gradients_fn, current_state, current_grads_target_log_prob, current_momentum, step_size): """""" mid_momentum = [ m + 0.5 * step * g for m, step, g in zip(current_momentum, step_size, current_grads_target_log_prob)] next_s...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/operators/sqoop_operator.py#L166-L234
def execute(self, context): """ """ self.hook = SqoopHook( conn_id=self.conn_id, verbose=self.verbose, num_mappers=self.num_mappers, hcatalog_database=self.hcatalog_database, hcatalog_table=self.hcatalog_table, prop...
https://github.com/asciimoo/searx/blob/a84caa22cf947e973c10aa968d35fb2bdda6d048/searx/engines/currency_convert.py#L64-L87
def response(resp): """""" json_resp = resp.text[resp.text.find('\n') + 1:resp.text.rfind('\n') - 2] results = [] try: conversion_rate = float(json.loads(json_resp)['conversion']['converted-amount']) except: return results answer = '{0} {1} = {2} {3}, 1 {1} ({5}) = {4} {3} ({6})'...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/differential_evolution.py#L712-L768
def _get_mixing_indices(size, seed=None, name=None): """ """ with tf.compat.v1.name_scope( name, default_name='get_mixing_indices', values=[size]): size = tf.convert_to_tensor(value=size) dtype = size.dtype seed_stream = distributions.SeedStream(seed, salt='get_mixing_indices') first = tf.ra...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/api/common/experimental/mark_tasks.py#L243-L280
def set_dag_run_state_to_failed(dag, execution_date, commit=False, session=None): """ """ res = [] if not dag or not execution_date: return res # Mark the dag run to failed. if commit: _set_dag_run_state(dag.dag_id, execution_date, State.FAILED, session) # Mark only R...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/mcmc/sample.py#L81-L372
def sample_chain( num_results, current_state, previous_kernel_results=None, kernel=None, num_burnin_steps=0, num_steps_between_results=0, trace_fn=lambda current_state, kernel_results: kernel_results, return_final_kernel_results=False, parallel_iterations=10, name=None, ): """ ...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/ti_deps/deps/base_ti_dep.py#L110-L125
def is_met(self, ti, session, dep_context=None): """ """ return all(status.passed for status in self.get_dep_statuses(ti, session, dep_context))
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/www/api/experimental/endpoints.py#L47-L92
def trigger_dag(dag_id): """ """ data = request.get_json(force=True) run_id = None if 'run_id' in data: run_id = data['run_id'] conf = None if 'conf' in data: conf = data['conf'] execution_date = None if 'execution_date' in data and data['execution_date'] is n...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/edward2/interceptor.py#L199-L245
def tape(): """ """ tape_data = collections.OrderedDict({}) def record(f, *args, **kwargs): """Records execution to a tape.""" name = kwargs.get("name") output = interceptable(f)(*args, **kwargs) if name: tape_data[name] = output return output with interception(record): yield ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/independent.py#L279-L339
def _kl_independent(a, b, name="kl_independent"): """ """ p = a.distribution q = b.distribution # The KL between any two (non)-batched distributions is a scalar. # Given that the KL between two factored distributions is the sum, i.e. # KL(p1(x)p2(y) || q1(x)q2(y)) = KL(p1 || q1) + KL(q1 || q2), we comput...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L2162-L2195
def with_dependencies(dependencies, output_tensor, name=None): """ """ if tf.executing_eagerly(): return output_tensor with tf.name_scope(name or "control_dependency") as name: with tf.control_dependencies(d for d in dependencies if d is not None): output_tensor = tf.convert_to_tensor(value=output...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/linesearch/internal/hager_zhang_lib.py#L241-L288
def _secant2_inner_update(value_and_gradients_function, initial_args, val_0, val_c, f_lim, sufficient_decrease_param, curvature_param): """""" # Fail if `val_c`...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/layers/conv_variational.py#L1111-L1126
def get_config(self): """ """ config = { 'seed': self.seed, } base_config = super(_ConvFlipout, self).get_config() return dict(list(base_config.items()) + list(config.items()))
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/redshift_hook.py#L68-L83
def describe_cluster_snapshots(self, cluster_identifier): """ """ response = self.get_conn().describe_cluster_snapshots( ClusterIdentifier=cluster_identifier ) if 'Snapshots' not in response: return None snapshots = response['Snapshots'] ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/dirichlet_multinomial.py#L322-L327
def _variance_scale_term(self): """""" # Expand back the last dim so the shape of _variance_scale_term matches the # shape of self.concentration. c0 = self.total_concentration[..., tf.newaxis] return tf.sqrt((1. + c0 / self.total_count[..., tf.newaxis]) / (1. + c0))
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/math/root_search.py#L44-L321
def secant_root(objective_fn, initial_position, next_position=None, value_at_position=None, position_tolerance=1e-8, value_tolerance=1e-8, max_iterations=50, stopping_policy_fn=tf.reduce_all, ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/wishart.py#L425-L430
def _multi_lgamma(self, a, p, name="multi_lgamma"): """""" with self._name_scope(name): seq = self._multi_gamma_sequence(a, p) return (0.25 * p * (p - 1.) * math.log(math.pi) + tf.reduce_sum(input_tensor=tf.math.lgamma(seq), axis=[-1]))
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/sensors/hdfs_sensor.py#L59-L76
def filter_for_filesize(result, size=None): """ """ if size: log = LoggingMixin().log log.debug( 'Filtering for file size >= %s in files: %s', size, map(lambda x: x['path'], result) ) size *= settings.MEGABY...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/math/linalg.py#L323-L445
def pinv(a, rcond=None, validate_args=False, name=None): """ """ with tf.compat.v1.name_scope(name, 'pinv', [a, rcond]): a = tf.convert_to_tensor(value=a, name='a') assertions = _maybe_validate_matrix(a, validate_args) if assertions: with tf.control_dependencies(assertions): a = tf.iden...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/sts/internal/missing_values_util.py#L109-L134
def moments_of_masked_time_series(time_series_tensor, broadcast_mask): """ """ num_unmasked_entries = tf.cast( tf.reduce_sum(input_tensor=tf.cast(~broadcast_mask, tf.int32), axis=-1), time_series_tensor.dtype) # Manually compute mean and variance, excluding masked entries. mean = (tf.reduce_sum(i...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/operators/cassandra_to_gcs.py#L147-L154
def _query_cassandra(self): """ """ self.hook = CassandraHook(cassandra_conn_id=self.cassandra_conn_id) session = self.hook.get_conn() cursor = session.execute(self.cql) return cursor
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/bigquery_hook.py#L1657-L1703
def get_datasets_list(self, project_id=None): """ """ dataset_project_id = project_id if project_id else self.project_id try: datasets_list = self.service.datasets().list( projectId=dataset_project_id).execute(num_retries=self.num_retries)['datasets'...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/sagemaker_hook.py#L398-L426
def create_transform_job(self, config, wait_for_completion=True, check_interval=30, max_ingestion_time=None): """ """ self.check_s3_url(config['TransformInput']['DataSource']['S3DataSource']['S3Uri']) response = self.get_conn().create_transform_job...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/bijectors/bijector.py#L112-L120
def _merge(self, old, new, use_equals=False): """""" if old is None: return new if new is None: return old if (old == new) if use_equals else (old is new): return old raise ValueError("Incompatible values: %s != %s" % (old, new))
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/stats/quantiles.py#L790-L802
def _get_best_effort_ndims(x, expect_ndims=None, expect_ndims_at_least=None, expect_ndims_no_more_than=None): """""" ndims_static = _get_static_ndims( x, expect_ndims=expect_ndims, expect_ndims_at_least=expect_ndims_a...
https://github.com/pytorch/vision/blob/3afcf3cd49661c466c75ea536b0b2a7ff57f9a05/torchvision/transforms/functional.py#L410-L432
def _get_perspective_coeffs(startpoints, endpoints): """ """ matrix = [] for p1, p2 in zip(endpoints, startpoints): matrix.append([p1[0], p1[1], 1, 0, 0, 0, -p2[0] * p1[0], -p2[0] * p1[1]]) matrix.append([0, 0, 0, p1[0], p1[1], 1, -p2[1] * p1[0], -p2[1] * p1[1]]) A = torch.tensor(m...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/opsgenie_alert_hook.py#L61-L74
def get_conn(self, headers=None): """ """ conn = self.get_connection(self.http_conn_id) self.base_url = conn.host if conn.host else 'https://api.opsgenie.com' session = requests.Session() if headers: session.headers.update(headers) return sess...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/gamma.py#L273-L296
def _kl_gamma_gamma(g0, g1, name=None): """ """ with tf.name_scope(name or "kl_gamma_gamma"): # Result from: # http://www.fil.ion.ucl.ac.uk/~wpenny/publications/densities.ps # For derivation see: # http://stats.stackexchange.com/questions/11646/kullback-leibler-divergence-between-two-gamma-dis...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/grammar_vae.py#L166-L182
def mask(self, symbol, on_value, off_value): """ """ mask_values = [on_value if lhs == symbol else off_value for lhs, _ in self.production_rules] mask_values = tf.reshape(mask_values, [1, len(self.production_rules)]) return mask_values
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/sts/seasonal.py#L628-L691
def build_constrained_seasonal_transition_noise( drift_scale, num_seasons, is_last_day_of_season): """""" # Conceptually, this method takes the noise covariance on effects L @ L' # computed by `build_seasonal_transition_noise`, with scale factor # L = [ 0, 0, ..., 0 # ... # ...
https://github.com/intel-analytics/BigDL/blob/e9c19788285986ab789a2e2998f9a85d7524779f/pyspark/bigdl/nn/keras/topology.py#L150-L168
def evaluate(self, x, y=None, batch_size=32): """ """ if isinstance(x, np.ndarray) and isinstance(y, np.ndarray): evaluation_data = to_sample_rdd(x, y) elif isinstance(x, RDD) and not y: evaluation_data = x else: raise TypeError("Unsup...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/latent_dirichlet_allocation_distributions.py#L164-L194
def make_encoder(activation, num_topics, layer_sizes): """ """ encoder_net = tf.keras.Sequential() for num_hidden_units in layer_sizes: encoder_net.add( tf.keras.layers.Dense( num_hidden_units, activation=activation, kernel_initializer=tf.compat.v1.glorot_normal_i...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/vae.py#L462-L476
def build_fake_input_fns(batch_size): """""" random_sample = np.random.rand(batch_size, *IMAGE_SHAPE).astype("float32") def train_input_fn(): dataset = tf.data.Dataset.from_tensor_slices( random_sample).map(lambda row: (row, 0)).batch(batch_size).repeat() return tf.compat.v1.data.make_one_shot_it...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/sagemaker_hook.py#L450-L477
def create_endpoint(self, config, wait_for_completion=True, check_interval=30, max_ingestion_time=None): """ """ response = self.get_conn().create_endpoint(**config) if wait_for_completion: self.check_status(config['EndpointName'], ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/layers/distribution_layer.py#L696-L720
def new(params, event_shape=(), dtype=None, validate_args=False, name=None): """""" with tf.compat.v1.name_scope(name, 'IndependentBernoulli', [params, event_shape]): params = tf.convert_to_tensor(value=params, name='params') event_shape = dist_util.expand_to_vector(...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/mcmc/langevin.py#L691-L745
def _get_drift(step_size_parts, volatility_parts, grads_volatility, grads_target_log_prob, name=None): """ """ with tf.compat.v1.name_scope(name, 'mala_get_drift', [ step_size_parts, volatility_parts, grads_volatility, grads_target_log_prob ]): drift_parts = [] for...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/jobs.py#L1042-L1214
def _find_executable_task_instances(self, simple_dag_bag, states, session=None): """ """ executable_tis = [] # Get all task instances associated with scheduled # DagRuns which are not backfilled, in the given states, # and the dag is not paused TI = mode...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L1864-L1929
def process_quadrature_grid_and_probs(quadrature_grid_and_probs, dtype, validate_args, name=None): """ """ with tf.name_scope(name or "process_quadrature_grid_and_probs"): if quadrature_grid_and_p...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/utils/timezone.py#L67-L79
def utc_epoch(): """ """ # pendulum utcnow() is not used as that sets a TimezoneInfo object # instead of a Timezone. This is not pickable and also creates issues # when using replace() d = dt.datetime(1970, 1, 1) d = d.replace(tzinfo=utc) return d
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/linear_gaussian_ssm.py#L1688-L1721
def build_pushforward_latents_step(get_observation_matrix_for_timestep, get_observation_noise_for_timestep): """ """ def pushforward_latents_step(_, latent_t_mean_cov): """Loop body fn to pushforward latents to observations at a time step.""" t, latent_mean, latent_cov ...
https://github.com/intel-analytics/BigDL/blob/e9c19788285986ab789a2e2998f9a85d7524779f/pyspark/bigdl/optim/optimizer.py#L848-L894
def create(model, training_set, criterion, end_trigger=None, batch_size=32, optim_method=None, cores=None, bigdl_type="float"): """ """ if not end_trigger: end_trigger = ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L281-L351
def shapes_from_loc_and_scale(loc, scale, name="shapes_from_loc_and_scale"): """ """ if loc is not None and tensorshape_util.rank(loc.shape) == 0: loc = None # scalar loc is irrelevant to determining batch/event shape. with tf.name_scope(name): # Get event shape. event_size = scale.range_dimension_...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/models/taskinstance.py#L218-L247
def command( self, mark_success=False, ignore_all_deps=False, ignore_depends_on_past=False, ignore_task_deps=False, ignore_ti_state=False, local=False, pickle_id=None, raw=False, job_id=None, ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/internal/correlation_matrix_volumes_lib.py#L172-L216
def correlation_matrix_volume_rejection_samples( det_bounds, dim, sample_shape, dtype, seed): """ """ with tf.compat.v1.name_scope("rejection_sampler"): rej_proposals = _uniform_correlation_like_matrix( dim, sample_shape, dtype, seed=seed) rej_proposal_volume = 2. ** (dim * (dim - 1) / 2.) ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/bijectors/real_nvp.py#L228-L305
def real_nvp_default_template(hidden_layers, shift_only=False, activation=tf.nn.relu, name=None, *args, # pylint: disable=keyword-arg-before-vararg **kwargs): """ ""...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/dtype_util.py#L201-L228
def assert_same_float_dtype(tensors=None, dtype=None): """ """ if tensors: dtype = _assert_same_base_type(tensors, dtype) if not dtype: dtype = tf.float32 elif not is_floating(dtype): raise ValueError('Expected floating point type, got {}.'.format(dtype)) return dtype
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/lbfgs.py#L80-L260
def minimize(value_and_gradients_function, initial_position, num_correction_pairs=10, tolerance=1e-8, x_tolerance=0, f_relative_tolerance=0, initial_inverse_hessian_estimate=None, max_iterations=50, parallel_iteratio...
https://github.com/pytorch/vision/blob/3afcf3cd49661c466c75ea536b0b2a7ff57f9a05/torchvision/models/alexnet.py#L51-L61
def alexnet(pretrained=False, **kwargs): """ model = AlexNet(**kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['alexnet'])) return model
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/linear_gaussian_ssm.py#L1622-L1685
def build_kalman_sample_step(get_transition_matrix_for_timestep, get_transition_noise_for_timestep, get_observation_matrix_for_timestep, get_observation_noise_for_timestep, full_sample_and_batch_shape, ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/internal/distribution_util.py#L1274-L1320
def pick_vector(cond, true_vector, false_vector, name="pick_vector"): """ """ with tf.name_scope(name): cond = tf.convert_to_tensor( value=cond, dtype_hint=tf.bool, name="cond") if cond.dtype != tf.bool: raise TypeError( "{}.dtype={} which is not {}".format(cond, cond.dtype, tf.boo...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/ti_deps/deps/base_ti_dep.py#L128-L142
def get_failure_reasons(self, ti, session, dep_context=None): """ """ for dep_status in self.get_dep_statuses(ti, session, dep_context): if not dep_status.passed: yield dep_status.reason
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/pinot_hook.py#L36-L49
def get_conn(self): """ """ conn = self.get_connection(self.pinot_broker_conn_id) pinot_broker_conn = connect( host=conn.host, port=conn.port, path=conn.extra_dejson.get('endpoint', '/pql'), scheme=conn.extra_dejson.get('schema', '...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/task/task_runner/base_task_runner.py#L101-L135
def run_command(self, run_with=None, join_args=False): """ """ run_with = run_with or [] cmd = [" ".join(self._command)] if join_args else self._command full_cmd = run_with + cmd self.log.info('Running: %s', full_cmd) proc = subprocess.Popen( ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/joint_distribution.py#L324-L341
def maybe_check_wont_broadcast(flat_xs, validate_args): """""" flat_xs = tuple(flat_xs) # So we can receive generators. if not validate_args: # Note: we don't try static validation because it is theoretically # possible that a user wants to take advantage of broadcasting. # Only when `validate_args` ...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/contrib/hooks/redshift_hook.py#L46-L66
def delete_cluster( self, cluster_identifier, skip_final_cluster_snapshot=True, final_cluster_snapshot_identifier=''): """ """ response = self.get_conn().delete_cluster( ClusterIdentifier=cluster_identifier, SkipFin...
https://github.com/apache/airflow/blob/b69c686ad8a0c89b9136bb4b31767257eb7b2597/airflow/ti_deps/deps/base_ti_dep.py#L78-L107
def get_dep_statuses(self, ti, session, dep_context=None): """ """ # this avoids a circular dependency from airflow.ti_deps.dep_context import DepContext if dep_context is None: dep_context = DepContext() if self.IGNOREABLE and dep_context.ignore_al...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/transformed_distribution.py#L41-L49
def _pick_scalar_condition(pred, cond_true, cond_false): """""" # Note: This function is only valid if all of pred, cond_true, and cond_false # are scalars. This means its semantics are arguably more like tf.cond than # tf.where even though we use tf.where to implement it. pred_ = tf.get_static_value(tf.conve...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/bijectors/bijector.py#L104-L110
def remove(self, field): """""" return _Mapping( x=None if field == "x" else self.x, y=None if field == "y" else self.y, ildj=self.ildj, kwargs=self.kwargs)
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/linesearch/internal/hager_zhang_lib.py#L599-L643
def _bisect(value_and_gradients_function, initial_args, f_lim): """""" def _loop_cond(curr): # TODO(b/112524024): Also take into account max_iterations. return ~tf.reduce_all(input_tensor=curr.stopped) def _loop_body(curr): """Narrow down interval to satisfy opposite slope conditions.""" mid = va...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/sts/structural_time_series.py#L211-L272
def joint_log_prob(self, observed_time_series): """ """ with tf.compat.v1.name_scope( 'joint_log_prob', values=[observed_time_series]): [ observed_time_series, mask ] = sts_util.canonicalize_observed_time_series_with_mask( observed_time_series) num_t...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/distributions/internal/correlation_matrix_volumes_lib.py#L107-L130
def _det_large_enough_mask(x, det_bounds): """ """ # For the curious: I wonder whether it is possible and desirable to # use a Cholesky decomposition-based algorithm for this, since the # only matrices whose determinant this code cares about will be PSD. # Didn't figure out how to code that in TensorFlow. ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/math/linalg.py#L874-L895
def _sparse_block_diag(sp_a): """ """ # Construct the matrix [[M, N], [1, 0], [0, 1]] which would map the index # (b, i, j) to (Mb + i, Nb + j). This effectively creates a block-diagonal # matrix of dense shape [B * M, B * N]. # Note that this transformation doesn't increase the number of non-zero # entri...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/sprites_dataset.py#L188-L191
def create_random_seq(character, action_metadata, direction, length=8): """""" start = tf.random.uniform([], maxval=action_metadata[1], dtype=tf.int32) return create_seq(character, action_metadata, direction, length, start)
https://github.com/intel-analytics/BigDL/blob/e9c19788285986ab789a2e2998f9a85d7524779f/pyspark/bigdl/nn/layer.py#L68-L76
def load(path, bigdl_type="float"): """ """ jmodel = callBigDlFunc(bigdl_type, "loadBigDL", path) return Layer.of(jmodel)
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/examples/sprites_dataset.py#L152-L185
def create_seq(character, action_metadata, direction, length=8, start=0): """ """ sprite_start = (action_metadata[0]+direction) * FRAME_SIZE sprite_end = (action_metadata[0]+direction+1) * FRAME_SIZE sprite_line = character[sprite_start:sprite_end, ...] # Extract 64x64 patches that are side-by-side in the ...
https://github.com/tensorflow/probability/blob/e87fe34111d68c35db0f9eeb4935f1ece9e1a8f5/tensorflow_probability/python/optimizer/linesearch/hager_zhang.py#L666-L680
def _print(pass_through_tensor, values): """""" flat_values = [] for value in values: # Checks if it is a namedtuple. if hasattr(value, '_fields'): for field in value._fields: flat_values.extend([field, _to_str(getattr(value, field))]) continue if isinstance(value, (list, tuple)): ...