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276 lines
11 KiB
Python
276 lines
11 KiB
Python
import datetime
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import logging
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import math
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import voluptuous as vol
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import esphomeyaml.config_validation as cv
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from esphomeyaml import automation
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from esphomeyaml.const import CONF_CRON, CONF_DAYS_OF_MONTH, CONF_DAYS_OF_WEEK, CONF_HOURS, \
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CONF_MINUTES, CONF_MONTHS, CONF_ON_TIME, CONF_SECONDS, CONF_TIMEZONE, CONF_TRIGGER_ID
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from esphomeyaml.helpers import App, NoArg, Pvariable, add, add_job, esphomelib_ns
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend({
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})
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time_ns = esphomelib_ns.namespace('time')
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CronTrigger = time_ns.CronTrigger
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def _tz_timedelta(td):
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offset_hour = int(td.total_seconds() / (60 * 60))
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offset_minute = int(abs(td.total_seconds() / 60)) % 60
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offset_second = int(abs(td.total_seconds())) % 60
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if offset_hour == 0 and offset_minute == 0 and offset_second == 0:
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return '0'
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elif offset_minute == 0 and offset_second == 0:
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return '{}'.format(offset_hour)
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elif offset_second == 0:
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return '{}:{}'.format(offset_hour, offset_minute)
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return '{}:{}:{}'.format(offset_hour, offset_minute, offset_second)
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# https://stackoverflow.com/a/16804556/8924614
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def _week_of_month(dt):
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first_day = dt.replace(day=1)
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dom = dt.day
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adjusted_dom = dom + first_day.weekday()
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return int(math.ceil(adjusted_dom / 7.0))
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def _tz_dst_str(dt):
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td = datetime.timedelta(hours=dt.hour, minutes=dt.minute, seconds=dt.second)
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return 'M{}.{}.{}/{}'.format(dt.month, _week_of_month(dt), dt.isoweekday() % 7,
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_tz_timedelta(td))
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def detect_tz():
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try:
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import tzlocal
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import pytz
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except ImportError:
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raise vol.Invalid("No timezone specified and 'tzlocal' not installed. To automatically "
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"detect the timezone please install tzlocal (pip2 install tzlocal)")
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try:
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tz = tzlocal.get_localzone()
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except pytz.exceptions.UnknownTimeZoneError:
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_LOGGER.warning("Could not auto-detect timezone. Using UTC...")
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return 'UTC'
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def _dst(dt, is_dst):
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try:
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return tz.dst(dt, is_dst=is_dst)
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except TypeError: # stupid pytz...
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return tz.dst(dt)
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def _tzname(dt, is_dst):
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try:
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return tz.tzname(dt, is_dst=is_dst)
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except TypeError: # stupid pytz...
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return tz.tzname(dt)
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def _utcoffset(dt, is_dst):
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try:
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return tz.utcoffset(dt, is_dst=is_dst)
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except TypeError: # stupid pytz...
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return tz.utcoffset(dt)
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dst_begins = None
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dst_tzname = None
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dst_utcoffset = None
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dst_ends = None
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norm_tzname = None
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norm_utcoffset = None
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hour = datetime.timedelta(hours=1)
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this_year = datetime.datetime.now().year
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dt = datetime.datetime(year=this_year, month=1, day=1)
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last_dst = None
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while dt.year == this_year:
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current_dst = _dst(dt, not last_dst)
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is_dst = bool(current_dst)
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if is_dst != last_dst:
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if is_dst:
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dst_begins = dt
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dst_tzname = _tzname(dt, True)
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dst_utcoffset = _utcoffset(dt, True)
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else:
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dst_ends = dt + hour
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norm_tzname = _tzname(dt, False)
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norm_utcoffset = _utcoffset(dt, False)
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last_dst = is_dst
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dt += hour
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tzbase = '{}{}'.format(norm_tzname, _tz_timedelta(-1 * norm_utcoffset))
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if dst_begins is None:
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# No DST in this timezone
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_LOGGER.info("Auto-detected timezone '%s' with UTC offset %s",
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norm_tzname, _tz_timedelta(norm_utcoffset))
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return tzbase
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tzext = '{}{},{},{}'.format(dst_tzname, _tz_timedelta(-1 * dst_utcoffset),
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_tz_dst_str(dst_begins), _tz_dst_str(dst_ends))
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_LOGGER.info("Auto-detected timezone '%s' with UTC offset %s and daylight savings time from "
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"%s to %s",
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norm_tzname, _tz_timedelta(norm_utcoffset), dst_begins.strftime("%x %X"),
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dst_ends.strftime("%x %X"))
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return tzbase + tzext
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def _parse_cron_int(value, special_mapping, message):
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special_mapping = special_mapping or {}
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if isinstance(value, (str, unicode)) and value in special_mapping:
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return special_mapping[value]
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try:
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return int(value)
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except ValueError:
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raise vol.Invalid(message.format(value))
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def _parse_cron_part(part, min_value, max_value, special_mapping):
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if part == '*' or part == '?':
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return set(x for x in range(min_value, max_value + 1))
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if '/' in part:
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data = part.split('/')
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if len(data) > 2:
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raise vol.Invalid(u"Can't have more than two '/' in one time expression, got {}"
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.format(part))
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offset, repeat = data
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offset_n = 0
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if offset:
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offset_n = _parse_cron_int(offset, special_mapping,
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u"Offset for '/' time expression must be an integer, got {}")
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try:
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repeat_n = int(repeat)
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except ValueError:
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raise vol.Invalid(u"Repeat for '/' time expression must be an integer, got {}"
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.format(repeat))
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return set(x for x in range(offset_n, max_value + 1, repeat_n))
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if '-' in part:
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data = part.split('-')
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if len(data) > 2:
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raise vol.Invalid(u"Can't have more than two '-' in range time expression '{}'"
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.format(part))
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begin, end = data
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begin_n = _parse_cron_int(begin, special_mapping, u"Number for time range must be integer, "
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u"got {}")
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end_n = _parse_cron_int(end, special_mapping, u"Number for time range must be integer, "
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u"got {}")
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if end_n < begin_n:
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return set(x for x in range(end_n, max_value + 1)) | \
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set(x for x in range(min_value, begin_n + 1))
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return set(x for x in range(begin_n, end_n + 1))
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return {_parse_cron_int(part, special_mapping, u"Number for time expression must be an "
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u"integer, got {}")}
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def cron_expression_validator(name, min_value, max_value, special_mapping=None):
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def validator(value):
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if isinstance(value, list):
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for v in value:
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if not isinstance(v, int):
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raise vol.Invalid(
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"Expected integer for {} '{}', got {}".format(v, name, type(v)))
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if v < min_value or v > max_value:
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raise vol.Invalid(
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"{} {} is out of range (min={} max={}).".format(name, v, min_value,
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max_value))
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return list(sorted(value))
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value = cv.string(value)
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values = set()
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for part in value.split(','):
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values |= _parse_cron_part(part, min_value, max_value, special_mapping)
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return validator(list(values))
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return validator
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validate_cron_seconds = cron_expression_validator('seconds', 0, 60)
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validate_cron_minutes = cron_expression_validator('minutes', 0, 59)
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validate_cron_hours = cron_expression_validator('hours', 0, 23)
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validate_cron_days_of_month = cron_expression_validator('days of month', 1, 31)
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validate_cron_months = cron_expression_validator('months', 1, 12, {
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'JAN': 1, 'FEB': 2, 'MAR': 3, 'APR': 4, 'MAY': 5, 'JUN': 6, 'JUL': 7, 'AUG': 8,
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'SEP': 9, 'OCT': 10, 'NOV': 11, 'DEC': 12
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})
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validate_cron_days_of_week = cron_expression_validator('days of week', 1, 7, {
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'SUN': 1, 'MON': 2, 'TUE': 3, 'WED': 4, 'THU': 5, 'FRI': 6, 'SAT': 7
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})
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CRON_KEYS = [CONF_SECONDS, CONF_MINUTES, CONF_HOURS, CONF_DAYS_OF_MONTH, CONF_MONTHS,
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CONF_DAYS_OF_WEEK]
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def validate_cron_raw(value):
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value = cv.string(value)
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value = value.split(' ')
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if len(value) != 6:
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raise vol.Invalid("Cron expression must consist of exactly 6 space-separated parts, "
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"not {}".format(len(value)))
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seconds, minutes, hours, days_of_month, months, days_of_week = value
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return {
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CONF_SECONDS: validate_cron_seconds(seconds),
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CONF_MINUTES: validate_cron_minutes(minutes),
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CONF_HOURS: validate_cron_hours(hours),
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CONF_DAYS_OF_MONTH: validate_cron_days_of_month(days_of_month),
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CONF_MONTHS: validate_cron_months(months),
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CONF_DAYS_OF_WEEK: validate_cron_days_of_week(days_of_week),
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}
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def validate_cron_keys(value):
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if CONF_CRON in value:
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for key in value.keys():
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if key in CRON_KEYS:
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raise vol.Invalid("Cannot use option {} when cron: is specified.".format(key))
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cron_ = value[CONF_CRON]
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value = {x: value[x] for x in value if x != CONF_CRON}
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value.update(cron_)
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return value
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return cv.has_at_least_one_key(*CRON_KEYS)(value)
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TIME_PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_TIMEZONE, default=detect_tz): cv.string,
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vol.Optional(CONF_ON_TIME): vol.All(cv.ensure_list, [vol.All(automation.validate_automation({
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cv.GenerateID(CONF_TRIGGER_ID): cv.declare_variable_id(CronTrigger),
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vol.Optional(CONF_SECONDS): validate_cron_seconds,
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vol.Optional(CONF_MINUTES): validate_cron_minutes,
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vol.Optional(CONF_HOURS): validate_cron_hours,
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vol.Optional(CONF_DAYS_OF_MONTH): validate_cron_days_of_month,
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vol.Optional(CONF_MONTHS): validate_cron_months,
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vol.Optional(CONF_DAYS_OF_WEEK): validate_cron_days_of_week,
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vol.Optional(CONF_CRON): validate_cron_raw,
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}), validate_cron_keys)]),
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})
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def setup_time_core_(time_var, config):
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add(time_var.set_timezone(config[CONF_TIMEZONE]))
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for conf in config.get(CONF_ON_TIME, []):
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rhs = App.register_component(time_var.Pmake_cron_trigger())
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trigger = Pvariable(conf[CONF_TRIGGER_ID], rhs)
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for second in conf.get(CONF_SECONDS, [x for x in range(0, 61)]):
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add(trigger.add_second(second))
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for minute in conf.get(CONF_MINUTES, [x for x in range(0, 60)]):
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add(trigger.add_minute(minute))
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for hour in conf.get(CONF_HOURS, [x for x in range(0, 24)]):
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add(trigger.add_hour(hour))
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for day_of_month in conf.get(CONF_DAYS_OF_MONTH, [x for x in range(1, 32)]):
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add(trigger.add_day_of_month(day_of_month))
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for month in conf.get(CONF_MONTHS, [x for x in range(1, 13)]):
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add(trigger.add_month(month))
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for day_of_week in conf.get(CONF_DAYS_OF_WEEK, [x for x in range(1, 8)]):
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add(trigger.add_day_of_week(day_of_week))
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automation.build_automation(trigger, NoArg, conf)
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def setup_time(time_var, config):
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add_job(setup_time_core_, time_var, config)
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BUILD_FLAGS = '-DUSE_TIME'
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