python-thingserver/thingserver/utils.py at master · labthings/python-thingserver · GitHub

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"""Utility functions."""

import datetime

import socket

import ifaddr

def timestamp():

"""

Get the current time.

Returns the current time in the form YYYY-mm-ddTHH:MM:SS+00:00

"""

return datetime.datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%S+00:00")

def get_ip():

"""

Get the default local IP address.

From: https://stackoverflow.com/a/28950776

"""

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

try:

s.connect(("10.255.255.255", 1))

ip = s.getsockname()[0]

except (socket.error, IndexError):

ip = "127.0.0.1"

finally:

s.close()

return ip

def get_addresses():

"""

Get all IP addresses.

Returns list of addresses.

"""

addresses = set()

for iface in ifaddr.get_adapters():

for addr in iface.ips:

# Filter out link-local addresses.

if addr.is_IPv4:

ip = addr.ip

if not ip.startswith("169.254."):

addresses.add(ip)

elif addr.is_IPv6:

# Sometimes, IPv6 addresses will have the interface name

# appended, e.g. %eth0. Handle that.

ip = addr.ip[0].split("%")[0].lower()

if not ip.startswith("fe80:"):

addresses.add("[{}]".format(ip))

return sorted(list(addresses))

python-thingserver/thingserver/utils.py at master · labthings/python-thingserver · GitHub

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