Network¶

pydu.network.dotted_netmask(mask)¶

Converts mask from /xx format to xxx.xxx.xxx.xxx. mask can be either int or str.

>>> from pydu.network import dotted_netmask
>>> dotted_netmask('24')
'255.255.255.0'
>>> dotted_netmask(24)
'255.255.255.0'

pydu.network.is_ipv4(ip)¶

Judge whether the given ip is IPV4 address.

>>> from pydu.network import is_ipv4
>>> is_ipv4('8.8.8.8')
True
>>> is_ipv4('localhost.localdomain')
False

pydu.network.is_ipv6(ip)¶

Judge whether the given ip is IPV6 address.

>>> from pydu.network import is_ipv6
>>> is_ipv4('fe80::9e5b:b149:e187:1a18')
True
>>> is_ipv4('localhost.localdomain')
False

Note

is_ipv6 can only be used on unix-like system.

pydu.network.get_free_port()¶

Get free port which could be bound.

>>> from pydu.network import get_free_port
>>> get_free_port()
57118