How to use poll_condition method in localstack

Best Python code snippet using localstack_python

query.py

Source:query.py

...5from gremlin_python.structure.graph import Graph6from gremlin_python.driver.driver_remote_connection import DriverRemoteConnection7NEPTUNE_ENDPOINT = os.environ.get('NEPTUNE_ENDPOINT') or 'http://localhost:4566'8CLUSTER_ID = 'cluster123'9def poll_condition(condition, timeout: float = None, interval: float = 0.5) -> bool:10    remaining = 011    if timeout is not None:12        remaining = timeout13    while not condition():14        if timeout is not None:15            remaining -= interval16            if remaining <= 0:17                return False18        time.sleep(interval)19    return True20def run_queries(cluster):21    cluster_url = 'ws://localhost:%s/gremlin' % cluster['Port']22    # test Client API23    print('Connecting to Neptune Graph DB cluster URL: %s' % cluster_url)24    graph_client = gremlin_client.Client(cluster_url, 'g')25    values = '[1,2,3,4]'26    print('Submitting values: %s' % values)27    result_set = graph_client.submit(values)28    future_results = result_set.all()29    results = future_results.result()30    print('Received values from cluster: %s' % results)31    assert results == [1, 2, 3, 4]32    future_result_set = graph_client.submitAsync('[1,2,3,4]')33    result_set = future_result_set.result()34    result = result_set.one()35    assert result == [1, 2, 3, 4]36    poll_condition(lambda: result_set.done.done(), timeout=3)37    assert result_set.done.done()38    graph_client.close()39    # test DriverRemoteConnection API40    graph = Graph()41    conn = DriverRemoteConnection(cluster_url, 'g')42    g = graph.traversal().withRemote(conn)43    vertices_before = g.V().toList()44    print('Existing vertices in the graph: %s' % vertices_before)45    print('Adding new vertices "v1" and "v2" to the graph')46    g.addV().property('id', 'v1').property('name', 'Vertex 1').next()47    g.addV().property('id', 'v2').property('name', 'Vertex 2').next()48    vertices_after = g.V().toList()49    print('New list of vertices in the graph: %s' % vertices_after)50    result = set(vertices_after) - set(vertices_before)51    assert len(result) == 252    conn.close()53def create_graph_db():54    print('Creating Neptune Graph DB cluster "%s" - this may take a few moments ...' % CLUSTER_ID)55    client = connect_neptune()56    cluster = client.create_db_cluster(DBClusterIdentifier=CLUSTER_ID, Engine='neptune')['DBCluster']57    def is_cluster_available():58        clusters = client.describe_db_clusters()59        return clusters["DBClusters"][0]["Status"] == "available"60    cluster_available = poll_condition(is_cluster_available, timeout=15, interval=1)61    if not cluster_available:62        raise Exception("The server took too much time to start")63    return cluster64def delete_db(cluster=None):65    if cluster:66        cluster_id = cluster['DBClusterIdentifier']67    else:68        cluster_id = CLUSTER_ID69    print('Deleting Neptune Graph DB cluster "%s"' % cluster_id)70    client = connect_neptune()71    client.delete_db_cluster(DBClusterIdentifier=cluster_id)72def connect_neptune():73    return boto3.client('neptune', endpoint_url=NEPTUNE_ENDPOINT)74def main():...

test_http2_server.py

Source:test_http2_server.py

...13        thread = run_server(port=port, bind_address=host, asynchronous=True)14        try:15            url = f"http://{host}:{port}"16            self.assertTrue(17                poll_condition(lambda: is_port_open(url, http_path="/"), timeout=15),18                "gave up waiting for port %d " % port,19            )20        finally:21            LOG.info("%.2f stopping server on port %d", time.time(), port)22            thread.stop()23        LOG.info("%.2f waiting on server to shut down", time.time())24        thread.join(timeout=15)25        self.assertFalse(is_port_open(port), "port is still open after stop")26        LOG.info("%.2f port stopped %d", time.time(), port)27    def test_run_and_stop_server_from_different_threads(self):28        port = get_free_tcp_port()29        host = "127.0.0.1"30        LOG.info("%.2f starting server on port %d", time.time(), port)31        thread = run_server(port=port, bind_address=host, asynchronous=True)32        try:33            url = f"http://{host}:{port}"34            self.assertTrue(35                poll_condition(lambda: is_port_open(url, http_path="/"), timeout=15),36                "gave up waiting for port %d " % port,37            )38        finally:39            LOG.info("%.2f stopping server on port %d", time.time(), port)40            threading.Thread(target=thread.stop).start()41        LOG.info("%.2f waiting on server to shut down", time.time())42        thread.join(timeout=15)43        self.assertFalse(is_port_open(port), "port is still open after stop")...

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