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# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

from __future__ import absolute_import
from __future__ import division
import calendar
import datetime as datetimelib
from datetime import datetime, timedelta
import time
import re
from typing import Tuple

PARSE_PERIOD_PATTERN = re.compile(r'(\d+)(d|h|m|s)')
MAX_PERIOD_FOR_PARSING = 315360000  # 10 years

class _UTC(datetimelib.tzinfo):
    """UTC"""

def utcoffset(self, dt):
        return datetimelib.timedelta(0)

def tzname(self, dt):
        return "UTC"

def dst(self, dt):
        return datetimelib.timedelta(0)

UTC = _UTC()

def gm_to_local(date_time):
    """
    Converts date_time from UTC to local time
    :param date_time:
    :return:
    """
    return datetime.fromtimestamp(calendar.timegm(date_time.timetuple()))

def local_to_gm(date_time):
    """
    Converts date_time from local to UTC
    :param date_time:
    :return:
    """
    return datetime.utcfromtimestamp(time.mktime(date_time.timetuple()))

def gm_datetime_to_unixtimestamp(dt=datetime.utcnow()):
    """
    Converts utc datetime to timestamp
    :param dt:
    :return:
    """
    return calendar.timegm(dt.timetuple())

def unixtimestamp_to_gm_datetime(ts):
    """
    Converts timestamp to utc datetime
    :param ts:
    :return:
    """
    return datetime.fromtimestamp(ts, tz=UTC)

def str_to_timedelta(period_str):
    time_num = int(period_str[:-1])
    time_type = period_str[-1]
    if time_type == 'm':
        return timedelta(minutes=time_num)
    if time_type == 'h':
        return timedelta(hours=time_num)
    if time_type == 'd':
        return timedelta(days=time_num)
    raise ValueError(
        'Error: period "{}" is incorrect. Please, specify '
        'minutes with m, hours with h, days with d'.format(period_str))

def round_1m(dt):
    return dt.replace(second=0, microsecond=0)

def parse_period(period_str, now=None):
    """
    Parses string period (in local time),
    example values such are 'today', 'yesterday', '5m', '4h', etc
    :param period_str:str:
    :param now:
    :return:
    """
    now = now or datetime.now()
    val = period_str.lower()
    if val == 'today':
        return round_1m(now.replace(hour=0, minute=0)), now

elif val == 'yesterday':
        today = round_1m(now.replace(hour=0, minute=0))
        return today - timedelta(days=1), today
    else:
        return now - str_to_timedelta(period_str), now

def ts_to_iso(ts):
    return gm_to_local(unixtimestamp_to_gm_datetime(ts)).isoformat()

def parse_date(date_str):
    """
    Parses date time string specified into a naive date time object (timezone unaware),
    that is expected to be in local time.

:param date_str:
    :return:
    """
    last_ex = []
    for f in ('%Y-%m-%d', '%Y-%m-%d %H:%M', '%y-%m-%d %H:%M', '%y-%m-%d'):
        try:
            return datetime.strptime(date_str, f)
        except ValueError as ex:
            last_ex.append(ex)

raise ValueError("please use [YY]YY-MM-DD[ HH:MM] format", *last_ex)

def convert_to_seconds(td):
    """
    Convert timedelta <type 'datetime.timedelta'> to seconds <type 'int'>
    :param datetime.timedelta td: timedelta
    :return int: seconds
    """
    try:
        return td.total_seconds()
    except AttributeError:  # no such method, fallback to old behavior, prior to python 2.7
                            # see https://docs.python.org/2/library/datetime.html#datetime.timedelta.total_seconds
        return (td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) // 10**6

time_units = {
    'd': 60 * 60 * 24,
    'h': 60 * 60,
    'm': 60,
    's': 1,
}

units_of_time = {
    'seconds': 's',
    'minutes': 'm',
    'hours': 'h',
    'days': 'd',
}

def parse_period2(period):
    """
    Return in seconds time period
    support that format [D[D..]d][H[H..]h][M[M..]m][S[S..]][s] format; D[D..]d - D[D..] days, H[H..]h - H[H..] hours,
    M[M..]m - M[M..] minutes, S[S..]s - S[S..] seconds
    :param str period: period line
    :return int: seconds
    :raises: ValueError
    """
    msg_ = '%s is incorrect; use today, yesterday or [D[D..]d][H[H..]h][M[M..]m][S[S..]][s] format; D[D..]d - D[D..] ' \
        'days, H[H..]h - H[H..] hours, M[M..]m - M[M..] minutes, S[S..]s - S[S..] seconds' % (period,)
    time_seconds = int(0)
    length_of_matched_strings = 0
    for dig, unit in PARSE_PERIOD_PATTERN.findall(period):
        length_of_matched_strings += len(dig) + 1
        time_seconds += int(dig) * time_units[unit]
        if time_seconds > MAX_PERIOD_FOR_PARSING:
            raise ValueError('%s is incorrect; period can not be more than 3600 days' % (period,))
    if not time_seconds or length_of_matched_strings < len(period):
        raise ValueError(msg_)
    return time_seconds

def time_dict_to_seconds(time_dict):
    """
    FIXME: we could avoid such extra conversions of units across various our
    projects if we just use seconds everywhere and convert to other larger
    units only before show them to end-user. Currently we parse/reconstruct
    this ~3 times before we use in statsnotifier.py end-code.
    :param time_dict: like {'period': 5, 'unitOfTime': 'seconds'}
    :return: str '5s'
    """
    return parse_period2('{}{}'.format(time_dict['period'],
                                       units_of_time[time_dict['unitOfTime']]))

conversion_table = [
    ('days',     60 * 60 * 24),
    ('hours',    60 * 60),
    ('minutes',  60),
    ('seconds',  1),
]

def seconds_to_human_view(seconds) -> Tuple[int, str]:
    """
    Convert provided second number to human view:
     60 -> 1, 'minutes'
     59 -> 59 , 'seconds'
     3601 -> 1, 'hours'
    :param seconds: Seconds number
    :return: Tuple (number, english_name)
    """
    for human_str, unit in conversion_table:
        if seconds // unit > 0:
            return seconds // unit, human_str

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[ .. Voltar ]
📄 __init__.py	0644	[ EDITAR/VER ]
📁 __pycache__/	0755
📄 argparse_utils.py	0644	[ EDITAR/VER ]
📄 dateutil.py	0644	[ EDITAR/VER ]
📄 decorators.py	0644	[ EDITAR/VER ]
📄 func.py	0644	[ EDITAR/VER ]
📄 htpasswd.py	0644	[ EDITAR/VER ]
📄 litespeed.py	0644	[ EDITAR/VER ]
📄 logsetup.py	0644	[ EDITAR/VER ]
📄 proctitle.py	0644	[ EDITAR/VER ]
📄 profiler.py	0644	[ EDITAR/VER ]
📄 progress.py	0644	[ EDITAR/VER ]
📄 sentry.py	0644	[ EDITAR/VER ]
📄 server_status.py	0644	[ EDITAR/VER ]
📄 sizeutil.py	0644	[ EDITAR/VER ]
📄 users_manager.py	0644	[ EDITAR/VER ]

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📝 Editando: dateutil.py