utilities.py

from __future__ import print_function
import sys
import time


def eprint(*args, **kwargs):  # from https://stackoverflow.com/a/14981125
    print(*args, file=sys.stderr, **kwargs)


def getTimestamp():
    return int(time.time())


def getTimestampMs():
    return int(round(time.time() * 1000))


def mergeDicts(x, y):  # from https://stackoverflow.com/a/26853961
    if x is None and y is None:
        return
    z = (y if x is None else x).copy()
    if x is not None and y is not None:
        z.update(y)
    return z


def getAttr(obj, key, alt=None):
    return obj[key] if isinstance(obj, dict) and key in obj else alt


def filterNone(obj):
    if isinstance(obj, dict):
        return dict((k, filterNone(v)) for k, v in obj.iteritems() if v is not None)
    elif isinstance(obj, list):
        return [filterNone(entry) for entry in obj]
    else:
        return obj


def getNumValidKeys(obj):
    return len(filter(lambda x: obj[x] is not None, list(obj.keys())))


def encodeUTF8(s):
    if not isinstance(s, str):
        s = s.encode("utf-8")
    return s


def ceil(n):  # from https://stackoverflow.com/a/32559239
    res = int(n)
    return res if res == n or n < 0 else res + 1


def floor(n):
    res = int(n)
    return res if res == 0 or n >= 0 else res - 1