def get_constants(prefix):
"""Create a dictionary mapping socket module
constants to their names.
"""
return dict( (getattr(socket, n), n)
for n in dir(socket)
if n.startswith(prefix)
)
families = get_constants('AF_')
types = get_constants('SOCK_')
protocols = get_constants('IPPROTO_')
for response in socket.getaddrinfo('www.doughellmann.com', 'http',
socket.AF_INET, # family
socket.SOCK_STREAM, # socktype
socket.IPPROTO_TCP, # protocol
socket.AI_CANONNAME, # flags
):
# Unpack the response tuple
family, socktype, proto, canonname, sockaddr = response
print 'Family :', families[family]
print 'Type :', types[socktype]
print 'Protocol :', protocols[proto]
print 'Canonical name:', canonname
print 'Socket address:', sockaddr
print
"""
#end_pymotw_header
from network_programming import socket
def get_constants(prefix):
"""Create a dictionary mapping socket module
constants to their names.
"""
return dict( (getattr(socket, n), n)
for n in dir(socket)
if n.startswith(prefix)
)
families = get_constants('AF_')
types = get_constants('SOCK_')
protocols = get_constants('IPPROTO_')
for response in socket.getaddrinfo('www.python.org', 'http'):
# Unpack the response tuple
family, socktype, proto, canonname, sockaddr = response
print 'Family :', families[family]
print 'Type :', types[socktype]
print 'Protocol :', protocols[proto]
print 'Canonical name:', canonname
print 'Socket address:', sockaddr
print
