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How to use is_port_free method in avocado

Best Python code snippet using avocado_python

test_utils_network.py

Source:test_utils_network.py

...41    return ipv4_addrs, ipv6_addrs42class FreePort(unittest.TestCase):43    @unittest.skipUnless(HAS_NETIFACES,44                         "netifaces library not available")45    def test_is_port_free(self):46        port = ports.find_free_port(sequent=False)47        self.assertTrue(ports.is_port_free(port, "localhost"))48        local_addrs = get_all_local_addrs()49        ipv4_addrs = ["localhost", ""] + list(local_addrs[0])50        ipv6_addrs = ["localhost", ""] + list(local_addrs[1])51        good = []52        bad = []53        skip = []54        sock = None55        for family in ports.FAMILIES:56            if family == socket.AF_INET:57                addrs = ipv4_addrs58            else:59                addrs = ipv6_addrs60            for addr in addrs:61                for protocol in ports.PROTOCOLS:62                    try:63                        sock = socket.socket(family, protocol)64                        sock.bind((addr, port))65                        if ports.is_port_free(port, "localhost"):66                            bad.append("%s, %s, %s: reports free"67                                       % (family, protocol, addr))68                        else:69                            good.append("%s, %s, %s" % (family, protocol,70                                                        addr))71                    except Exception as exc:72                        if getattr(exc, 'errno', None) in (-2, 2, 22, 94):73                            skip.append("%s, %s, %s: Not supported: %s"74                                        % (family, protocol, addr, exc))75                        else:76                            bad.append("%s, %s, %s: Failed to bind: %s"77                                       % (family, protocol, addr, exc))78                    finally:79                        if sock is not None:...

network.py

Source:network.py

...14"""15Module with network related utility functions16"""17import socket18def is_port_free(port, address):19    """20    Return True if the given port is available for use.21    :param port: Port number22    """23    try:24        s = socket.socket()25        if address == "localhost":26            s.bind((address, port))27            free = True28        else:29            s.connect((address, port))30            free = False31    except socket.error:32        if address == "localhost":33            free = False34        else:35            free = True36    s.close()37    return free38def find_free_port(start_port, end_port, address="localhost"):39    """40    Return a host free port in the range [start_port, end_port].41    :param start_port: First port that will be checked.42    :param end_port: Port immediately after the last one that will be checked.43    """44    for i in range(start_port, end_port):45        if is_port_free(i, address):46            return i47    return None48def find_free_ports(start_port, end_port, count, address="localhost"):49    """50    Return count of host free ports in the range [start_port, end_port].51    :param count: Initial number of ports known to be free in the range.52    :param start_port: First port that will be checked.53    :param end_port: Port immediately after the last one that will be checked.54    """55    ports = []56    i = start_port57    while i < end_port and count > 0:58        if is_port_free(i, address):59            ports.append(i)60            count -= 161        i += 1...

ports.py

Source:ports.py

1""" Utilities for ports. """2import socket3import errno4def is_port_free(port):5    """ Check whether the port is free to use on localhost.6    Parameters7    ----------8    port: int9        Port number to check.10    Returns11    -------12    bool:13        True if free, false if already in use.14    """15    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)16    try:17        s.bind(("127.0.0.1", port))18        rv = True19    except socket.error as e:20        if e.errno == errno.EADDRINUSE:21            rv = False22        else:23            # something else raised the socket.error exception24            raise25    s.close()26    return rv27def get_next_free_port(port):28    """ Find the next free port on localhost.29    30    Recursively test all port numbers with increments of 1 31    starting from number 'port'.32    33    Parameters34    ----------35    port: int36        Start looking from this port number upwards.37        38    Returns39    -------40    int41        Next free port number.42    """43    if is_port_free(port):44        return port45    else:...

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