384 lines
18 KiB
Python
384 lines
18 KiB
Python
from collections.abc import Iterable
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from datetime import date, datetime, timedelta, timezone
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from functools import reduce
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import hashlib
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import logging
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import re
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import time
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import urllib.error
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import urllib.request
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from icalendar import Calendar, Event, vCalAddress, vDDDTypes, vText
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from PIL import Image, ImageDraw, ImageFont
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import pytz
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from . import display_longtext
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def next_weekday(d, weekday):
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days_ahead = weekday - d.weekday()
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if days_ahead < 0: # Target day already happened this week
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days_ahead += 7
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return d + timedelta(days_ahead)
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class IcalModule:
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def __init__(self, config):
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self.cals = config.cals
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self.delayed_departure = 100
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self._cached_events = []
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self._cached_file = ".ical-%s.cache"
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self.cache_time = 15
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def __get_events(self, config, toofar=None):
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today = datetime.now(tz=pytz.timezone('Europe/Paris')).replace(hour=0, minute=0, second=0)
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todayd = date.today()
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toofard = None
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if toofar is not None:
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toofard = date(toofar.year, toofar.month, toofar.day)
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events = []
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for cal in self.cals:
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cache_file = self._cached_file % (hashlib.md5(cal.encode()).hexdigest())
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try:
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with urllib.request.urlopen(cal) as c:
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with open(cache_file, 'wb') as fd:
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fd.write(c.read())
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except ConnectionResetError as e:
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logging.exception(e)
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except urllib.error.URLError as e:
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logging.exception(e)
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with open(cache_file) as c:
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ecal = Calendar.from_ical(c.read())
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for component in ecal.walk():
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if component.name == "VEVENT" and "DTEND" in component:
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start = component.decoded("DTSTART")
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end = component.decoded("DTEND")
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if "RRULE" in component:
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rrule = component.decoded("RRULE")
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if "UNTIL" in rrule and reduce(lambda p,d: p or d < today, rrule["UNTIL"], False):
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continue
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if "FREQ" in rrule and "BYDAY" in rrule and "WEEKLY" in rrule["FREQ"]:
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weekday = 6
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if "MO" in rrule["BYDAY"]:
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weekday = 0
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elif "TU" in rrule["BYDAY"]:
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weekday = 1
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elif "WE" in rrule["BYDAY"]:
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weekday = 2
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elif "TH" in rrule["BYDAY"]:
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weekday = 3
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elif "FR" in rrule["BYDAY"]:
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weekday = 4
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elif "SA" in rrule["BYDAY"]:
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weekday = 5
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diff = end - start
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if isinstance(start, datetime):
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start = next_weekday(today, weekday).replace(hour=start.hour, minute=start.minute, second=start.second, microsecond=start.microsecond)
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else:
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start = next_weekday(todayd, weekday)
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end = start + diff
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exclusions = []
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if "EXDATE" in component:
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exdates = component.decoded("EXDATE")
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if isinstance(exdates, Iterable):
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for exdate in exdates:
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exclusions.append(exdate.dts[0].dt)
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else:
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exclusions.append(exdates.dts[0].dt)
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while start < component.decoded("DTSTART"):
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start += timedelta(days=7)
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while start in exclusions:
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start += timedelta(days=7)
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component["DTSTART"] = vDDDTypes(start)
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component["DTEND"] = vDDDTypes(end)
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if isinstance(end, datetime):
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if end.astimezone(pytz.timezone('Europe/Paris')) < today:
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continue
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if toofar is not None and start.astimezone(pytz.timezone('Europe/Paris')) > toofar:
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continue
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else:
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if isinstance(end, date) and end < todayd:
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continue
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if toofard is not None and start > toofard:
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continue
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events.append(component)
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# Sort events
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events.sort(key=lambda e: time.mktime(e.decoded("DTSTART").timetuple()))
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return events
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def _get_events(self, config, toofar=None):
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if len(self._cached_events) == 0:
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evts = self.__get_events(config, toofar)
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self._cached_events = evts
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return self._cached_events
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def get_events(self, config, toofar=None, now=None):
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for component in self._get_events(config, toofar):
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evt = None
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train_situations, train_conjoncturels, train_start_station, train_end_station, place = self.is_train_event(config, component)
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if train_start_station is not None:
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start = component.decoded("DTSTART")
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end = component.decoded("DTEND")
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evt = {
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"summary": component.get("SUMMARY"),
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"start": start,
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"end": end,
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}
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new_start = datetime.fromisoformat(train_start_station["depart"]["dateHeureReelle"])
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if start.astimezone(pytz.timezone('Europe/Paris')).strftime("%d %H:%M") != new_start.strftime("%d %H:%M"):
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evt["new_start"] = new_start
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if train_end_station:
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new_end = datetime.fromisoformat(train_end_station["arrivee"]["dateHeureReelle"])
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if end.astimezone(pytz.timezone('Europe/Paris')).strftime("%d %H:%M") != new_end.strftime("%d %H:%M"):
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evt["new_end"] = new_end
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if len(train_conjoncturels) > 0:
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evt["alert"] = train_conjoncturels["messagesConjoncturels"][0]["titre"]
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elif len(train_situations) > 0:
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evt["alert"] = train_situations[0]["libelleSituation"]
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if new_start > datetime.now(tz=pytz.timezone('Europe/Paris')):
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if "evenement" in train_start_station["depart"]:
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evt["alert"] = train_start_station["depart"]["evenement"]["texte"]
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if "voie" in train_start_station and "numero" in train_start_station["voie"]:
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evt["info"] = "Départ voie " + train_start_station["voie"]["numero"]
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if place is not None:
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evt["info"] = ((evt["info"] + "\n") if "info" in evt else "") + place
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elif train_end_station is not None:
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evt["info"] = "Arrivée à " + new_end.strftime("%H:%M")
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if "evenement" in train_end_station["arrivee"]:
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evt["alert"] = train_end_station["arrivee"]["evenement"]["texte"]
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evt["info"] += " (+%d')" % train_end_station["arrivee"]["evenement"]["retard"]["duree"]
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if "voie" in train_end_station and "numero" in train_end_station["voie"]:
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evt["info"] += " voie " + train_end_station["voie"]["numero"]
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elif now is not None and time.mktime(component.decoded("DTEND").timetuple()) < time.mktime(now.timetuple()):
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continue
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else:
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evt = {
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"summary": component.get("SUMMARY"),
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"start": component.decoded("DTSTART"),
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"end": component.decoded("DTEND"),
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}
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if "location" in component:
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evt["location"] = component.decoded("LOCATION").decode()
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if evt is not None:
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yield evt
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def is_train_event(self, config, evt):
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if "description" not in evt:
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return None, None, None, None, None
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numero_train = None
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ville_depart = None
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ville_arrivee = None
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place = None
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for line in evt.decoded("description").decode().split("\n"):
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res = re.match(r'.*Train.*([0-9]{4,})$', line)
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if res is not None:
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numero_train = res[1]
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res = re.match(r'.*[0-9]{1,2}h[0-9]{2} (.*)$', line)
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if res is not None:
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if ville_depart is not None:
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ville_arrivee = res[1]
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else:
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ville_depart = res[1]
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res = re.match(r'.*Voiture ([0-9]+).*place([0-9]+)', line)
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if res is not None:
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place = "voit. " + res[1] + " pl. " + res[2]
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if numero_train is None:
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return None, None, None, None, place
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start_time = evt.decoded("DTSTART")
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now = datetime.now(tz=pytz.timezone('Europe/Paris'))
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from .sncf import SNCFAPI
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status = SNCFAPI(config).get_train_status(numero_train, start_time)
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if status is None:
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return None, None, None, None, place
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situations = []
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if "situation" in status and len(status["situation"]) > 0:
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situations = status["situation"]
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conjoncturels = []
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if "listeMessagesConjoncturels" in status and len(status["listeMessagesConjoncturels"]) > 0:
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conjoncturels = status["listeMessagesConjoncturels"]
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if ville_arrivee is None:
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return situations, conjoncturels, None, None, place
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start_station = None
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end_station = None
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for arret in status["listeArretsDesserte"]["arret"]:
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if arret["emplacement"]["libelle"].startswith(ville_arrivee):
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end_station = arret
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if arret["emplacement"]["libelle"].startswith(ville_depart):
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start_station = arret
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return situations, conjoncturels, start_station, end_station, place
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def event_coming(self, config):
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now = time.mktime(datetime.now(tz=pytz.timezone('Europe/Paris')).timetuple())
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coming = time.mktime((datetime.now(tz=pytz.timezone('Europe/Paris')) + timedelta(minutes=self.delayed_departure)).timetuple())
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for evt in self.get_events(config, toofar=datetime.fromtimestamp(coming, tz=pytz.timezone('Europe/Paris'))):
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# Looking only the first event
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start = time.mktime(evt["start"].timetuple())
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return now < start and start < coming
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return False
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def non_local_event_coming(self, config):
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now = time.mktime(datetime.now(tz=pytz.timezone('Europe/Paris')).timetuple())
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coming = time.mktime((datetime.now(tz=pytz.timezone('Europe/Paris')) + timedelta(minutes=self.delayed_departure)).timetuple())
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for evt in self.get_events(config, toofar=datetime.fromtimestamp(coming, tz=pytz.timezone('Europe/Paris'))):
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if "location" in evt and (
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evt["location"].lower().startswith("http") or
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evt["location"].lower().startswith("ici") or
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evt["location"].lower().endswith("gentilly") or
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evt["location"].lower().endswith("gentilly, france")
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):
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continue
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# Looking only the first event
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start = time.mktime(evt["start"].timetuple())
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return now < start and start < coming
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return False
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def local_event_ending(self, config):
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now = time.mktime((datetime.now(tz=pytz.timezone('Europe/Paris')) + timedelta(minutes=self.delayed_departure/3)).timetuple())
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coming = time.mktime((datetime.now(tz=pytz.timezone('Europe/Paris')) + timedelta(minutes=self.delayed_departure/3)).timetuple())
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for evt in self.get_events(config, toofar=datetime.fromtimestamp(coming, tz=pytz.timezone('Europe/Paris'))):
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if not("location" in evt and evt["location"].lower().startswith("ici")):
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continue
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# Looking only the first event
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end = time.mktime(evt["end"].timetuple())
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return now < end and end < coming
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return False
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def draw_module(self, config, width, height, line_height=19):
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now = datetime.now(tz=pytz.timezone('Europe/Paris'))
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events = self.get_events(config, now + timedelta(weeks=1), now)
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image = Image.new('RGB', (width, height), '#fff')
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draw = ImageDraw.Draw(image)
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fnt_R = ImageFont.truetype(config.fnt_R_path, int(line_height*0.7))
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fnt_B = ImageFont.truetype(config.fnt_RB_path, int(line_height*0.7))
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last_evt = None
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align = 0
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for evt in events:
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last_day = None
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if last_evt is not None:
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last_day = last_evt["start"].astimezone(pytz.timezone('Europe/Paris')).day if isinstance(last_evt["start"], datetime) else last_evt["start"].timetuple()[2]
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cur_day = evt["start"].astimezone(pytz.timezone('Europe/Paris')).day if isinstance(evt["start"], datetime) else evt["start"].timetuple()[2]
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if last_day is None or last_day != cur_day:
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draw.text(
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(width / 2, align),
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evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%a %d %B") if isinstance(evt["start"], datetime) else evt["start"].strftime("%a %d %B"),
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fill="black", anchor="mt", font=fnt_B
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)
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align += line_height
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draw.rectangle((0, align-4, width, align-4), fill="black")
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if isinstance(evt["start"], datetime):
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draw.text(
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(2, align),
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evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M") + " " + evt["summary"],
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fill="black", anchor="lt", font=fnt_R
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)
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else:
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draw.text(
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(width/2, align),
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evt["summary"],
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fill="black", anchor="mt", font=fnt_B
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)
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if "new_start" in evt:
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draw.line(
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(2, align + line_height / 2.6, 2 + fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M"))[0], align + line_height / 2.6),
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fill="black"
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)
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draw.text(
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(0, align+line_height*0.6),
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evt["new_start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M"),
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fill="black", anchor="lt", font=fnt_B
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)
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if "alert" in evt:
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draw.text(
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(2 + fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0], align+line_height*0.6),
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evt["alert"],
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fill="black", anchor="lt", font=fnt_R
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)
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align += line_height * 0.7
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if "location" in evt and now.day == evt["start"].day:
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if isinstance(evt["start"], datetime):
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align += display_longtext(draw,
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(2 + fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0], align+line_height*0.6),
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evt["location"],
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fill="black", anchor="lt", font=fnt_R
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)
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elif evt["location"].lower() != "ici":
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align += display_longtext(draw,
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(width/2, align+line_height*0.6),
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evt["location"],
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fill="black", anchor="mt", font=fnt_R
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)
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if "info" in evt:
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if isinstance(evt["start"], datetime):
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align += display_longtext(draw,
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(2 + fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0], align+line_height*0.6),
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evt["info"],
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fill="black", anchor="lt", font=fnt_R, maxwidth=width - fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0]
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)
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else:
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align += display_longtext(draw,
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(width/2, align+line_height*0.6),
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evt["info"],
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fill="black", anchor="mt", font=fnt_R
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)
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elif "end" in evt and not isinstance(evt["end"], datetime):
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pass
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elif "end" in evt and (("new_start" in evt and now > evt["new_start"].astimezone(pytz.timezone('Europe/Paris'))) or ("new_start" not in evt and now > evt["start"].astimezone(pytz.timezone('Europe/Paris')))):
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align += display_longtext(draw,
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(2 + fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0], align+line_height*0.6),
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"Fin à " + (evt["new_end"] if "new_end" in evt else evt["end"]).astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M"),
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fill="black", anchor="lt", font=fnt_R, maxwidth=width - fnt_R.getbbox(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0]
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)
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align += line_height
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last_evt = evt
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return image
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