218 lines
9.8 KiB
Python
218 lines
9.8 KiB
Python
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import datetime
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import re
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import time
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import logging
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log = logging.getLogger(__name__)
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week_days = ['lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi', 'dimanche']
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date_format = '%d/%m/%Y'
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date_pattern = re.compile('^([0-9]{2})/([0-9]{2})/([0-9]{4})$')
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time_pattern = re.compile('^([0-9]{1,2})h([0-9]{2})?$')
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def easter_date(year):
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a = year//100
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b = year%100
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c = (3*(a+25))//4
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d = (3*(a+25))%4
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e = (8*(a+11))//25
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f = (5*a+b)%19
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g = (19*f+c-e)%30
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h = (f+11*g)//319
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j = (60*(5-d)+b)//4
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k = (60*(5-d)+b)%4
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m = (2*j-k-g+h)%7
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n = (g-h+m+114)//31
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p = (g-h+m+114)%31
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day = p+1
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month = n
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return datetime.date(year, month, day)
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def nonworking_french_public_days_of_the_year(year=None):
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if year is None:
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year=datetime.date.today().year
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dp=easter_date(year)
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return {
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'1janvier': datetime.date(year, 1, 1),
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'paques': dp,
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'lundi_paques': (dp+datetime.timedelta(1)),
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'1mai': datetime.date(year, 5, 1),
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'8mai': datetime.date(year, 5, 8),
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'jeudi_ascension': (dp+datetime.timedelta(39)),
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'pentecote': (dp+datetime.timedelta(49)),
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'lundi_pentecote': (dp+datetime.timedelta(50)),
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'14juillet': datetime.date(year, 7, 14),
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'15aout': datetime.date(year, 8, 15),
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'1novembre': datetime.date(year, 11, 1),
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'11novembre': datetime.date(year, 11, 11),
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'noel': datetime.date(year, 12, 25),
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'saint_etienne': datetime.date(year, 12, 26),
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}
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def parse_exceptional_closures(values):
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exceptional_closures=[]
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for value in values:
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days = []
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hours_periods = []
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words = value.strip().split()
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for word in words:
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if not word:
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continue
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parts = word.split('-')
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if len(parts) == 1:
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# ex : 31/02/2017
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ptime = time.strptime(word, date_format)
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date = datetime.date(ptime.tm_year, ptime.tm_mon, ptime.tm_mday)
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if date not in days:
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days.append(date)
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elif len(parts) == 2:
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# ex : 18/12/2017-20/12/2017 ou 9h-10h30
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if date_pattern.match(parts[0]) and date_pattern.match(parts[1]):
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# ex : 18/12/2017-20/12/2017
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pstart = time.strptime(parts[0], date_format)
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pstop = time.strptime(parts[1], date_format)
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if pstop <= pstart:
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raise ValueError('Day %s <= %s' % (parts[1], parts[0]))
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date = datetime.date(pstart.tm_year, pstart.tm_mon, pstart.tm_mday)
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stop_date = datetime.date(pstop.tm_year, pstop.tm_mon, pstop.tm_mday)
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while date <= stop_date:
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if date not in days:
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days.append(date)
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date += datetime.timedelta(days=1)
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else:
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# ex : 9h-10h30
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mstart = time_pattern.match(parts[0])
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mstop = time_pattern.match(parts[1])
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if not mstart or not mstop:
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raise ValueError('"%s" is not a valid time period' % word)
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hstart = datetime.time(int(mstart.group(1)), int(mstart.group(2) or 0))
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hstop = datetime.time(int(mstop.group(1)), int(mstop.group(2) or 0))
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if hstop <= hstart:
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raise ValueError('Time %s <= %s' % (parts[1], parts[0]))
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hours_periods.append({'start': hstart, 'stop': hstop})
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else:
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raise ValueError('Invalid number of part in this word : "%s"' % word)
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if not days:
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raise ValueError('No days found in value "%s"' % value)
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exceptional_closures.append({'days': days, 'hours_periods': hours_periods})
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return exceptional_closures
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def parse_normal_opening_hours(values):
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normal_opening_hours=[]
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for value in values:
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days=[]
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hours_periods=[]
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words=value.strip().split()
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for word in words:
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if word=='':
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continue
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parts=word.split('-')
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if len(parts)==1:
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# ex : jeudi
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if word not in week_days:
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raise ValueError('"%s" is not a valid week day' % word)
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if word not in days:
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days.append(word)
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elif len(parts)==2:
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# ex : lundi-jeudi ou 9h-10h30
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if parts[0] in week_days and parts[1] in week_days:
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# ex : lundi-jeudi
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if week_days.index(parts[1]) <= week_days.index(parts[0]):
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raise ValueError('"%s" is before "%s"' % (parts[1],parts[0]))
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started=False
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for d in week_days:
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if not started and d!=parts[0]:
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continue
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started=True
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if d not in days:
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days.append(d)
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if d==parts[1]:
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break
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else:
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#ex : 9h-10h30
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mstart=time_pattern.match(parts[0])
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mstop=time_pattern.match(parts[1])
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if not mstart or not mstop:
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raise ValueError('"%s" is not a valid time period' % word)
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hstart=datetime.time(int(mstart.group(1)), int(mstart.group(2) or 0))
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hstop=datetime.time(int(mstop.group(1)), int(mstop.group(2) or 0))
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if hstop<=hstart:
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raise ValueError('Time %s <= %s' % (parts[1],parts[0]))
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hours_periods.append({'start': hstart, 'stop': hstop})
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else:
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raise ValueError('Invalid number of part in this word : "%s"' % word)
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if not days and not hours_periods:
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raise ValueError('No days or hours period found in this value : "%s"' % value)
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normal_opening_hours.append({'days': days, 'hours_periods': hours_periods})
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return normal_opening_hours
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def is_closed(normal_opening_hours_values=None, exceptional_closures_values=None,
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nonworking_public_holidays_values=None, exceptional_closure_on_nonworking_public_days=False,
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when=None, on_error='raise'):
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if not when:
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when = datetime.datetime.now()
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when_date=when.date()
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when_time=when.time()
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when_weekday=week_days[when.timetuple().tm_wday]
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on_error_result=None
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if on_error=='closed':
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on_error_result={'closed': True, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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elif on_error=='opened':
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on_error_result={'closed': False, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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log.debug("When = %s => date = %s / time = %s / week day = %s", when, when_date, when_time, when_weekday)
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if nonworking_public_holidays_values:
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log.debug("Nonworking public holidays: %s", nonworking_public_holidays_values)
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nonworking_days=nonworking_french_public_days_of_the_year()
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for day in nonworking_public_holidays_values:
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if day in nonworking_days and when_date==nonworking_days[day]:
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log.debug("Non working day: %s", day)
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return {'closed': True, 'exceptional_closure': exceptional_closure_on_nonworking_public_days, 'exceptional_closure_all_day': exceptional_closure_on_nonworking_public_days}
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if len(exceptional_closures_values)>0:
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try:
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exceptional_closures=parse_exceptional_closures(exceptional_closures_values)
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log.debug('Exceptional closures: %s', exceptional_closures)
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except Exception as e:
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log.error("Fail to parse exceptional closures, consider as closed", exc_info=True)
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if on_error_result is None:
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raise e from e
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return on_error_result
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for cl in exceptional_closures:
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if when_date not in cl['days']:
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log.debug("when_date (%s) no in days (%s)", when_date, cl['days'])
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continue
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if not cl['hours_periods']:
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# All day exceptional closure
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return {'closed': True, 'exceptional_closure': True, 'exceptional_closure_all_day': True}
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for hp in cl['hours_periods']:
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if hp['start'] <= when_time <= hp['stop']:
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return {'closed': True, 'exceptional_closure': True, 'exceptional_closure_all_day': False}
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if normal_opening_hours_values:
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try:
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normal_opening_hours=parse_normal_opening_hours(normal_opening_hours_values)
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log.debug('Normal opening hours: %s', normal_opening_hours)
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except Exception:
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log.error("Fail to parse normal opening hours, consider as closed", exc_info=True)
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if on_error_result is None:
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raise e from e
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return on_error_result
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for oh in normal_opening_hours:
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if oh['days'] and when_weekday not in oh['days']:
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log.debug("when_weekday (%s) no in days (%s)", when_weekday, oh['days'])
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continue
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if not oh['hours_periods']:
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# All day opened
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return {'closed': False, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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for hp in oh['hours_periods']:
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if hp['start'] <= when_time <= hp['stop']:
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return {'closed': False, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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log.debug("Not in normal opening hours => closed")
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return {'closed': True, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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# Not a nonworking day, not during exceptional closure and no normal opening hours defined => Opened
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return {'closed': False, 'exceptional_closure': False, 'exceptional_closure_all_day': False}
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