python-mylib/opening_hours.py
Benjamin Renard 664a8bc0e3 Fix indents
2018-12-12 17:23:27 +01:00

207 lines
7.9 KiB
Python

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