Epoch-ms conversion

time-convert.py

import dateutil.parser
from datetime import datetime
import pytz

def local2timestamp(s):
    return int(dateutil.parser.parse(s).timestamp() * 1000)

def timestamp2local(t):
    return datetime.fromtimestamp(t/1000).isoformat().replace('T',' ')

def utc2timestamp(s):
    return int(dateutil.parser.parse(s).replace(tzinfo=pytz.utc).timestamp() * 1000)

def timestamp2utc(t):
    return datetime.utcfromtimestamp(t/1000).isoformat().replace('T',' ')