241 lines
11 KiB
Python
241 lines
11 KiB
Python
from datetime import datetime, timedelta, timezone
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import hashlib
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import re
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import urllib.error
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import urllib.request
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from icalendar import Calendar, Event, vCalAddress, 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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class IcalModule:
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def __init__(self, config):
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self.cals = config.cals
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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, now=None):
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today = datetime.now(tz=pytz.timezone('Europe/Paris')).replace(hour=0, minute=0, second=0)
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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:
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pass
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except urllib.error.URLError:
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pass
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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":
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if component.decoded("DTEND") < today:
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continue
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if toofar is not None and component.decoded("DTSTART") > toofar:
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continue
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train_situations, train_conjoncturels, train_start_station, train_end_station, place = self.is_train_event(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["arrivee"]:
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evt["alert"] = train_start_station["arrivee"]["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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events.append(evt)
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elif now is not None and component.decoded("DTEND") < now:
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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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events.append(evt)
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# Sort events
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events.sort(key=lambda e: e["start"])
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return events
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def is_train_event(self, 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().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 = datetime.now(tz=pytz.timezone('Europe/Paris'))
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coming = datetime.now(tz=pytz.timezone('Europe/Paris')) + timedelta(minutes=80)
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for evt in self.get_events(config):
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# Looking only the first event
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start = evt["start"]
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return now < start and start < 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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if last_evt is None or last_evt["start"].astimezone(pytz.timezone('Europe/Paris')).day != evt["start"].astimezone(pytz.timezone('Europe/Paris')).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"),
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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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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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if "new_start" in evt:
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draw.line(
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(2, align + line_height / 2.6, 2 + fnt_R.getsize(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.getsize(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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align += display_longtext(draw,
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(2 + fnt_R.getsize(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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if "info" in evt:
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align += display_longtext(draw,
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(2 + fnt_R.getsize(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.getsize(evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M "))[0]
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)
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elif "end" in evt and (("new_start" in evt and now > evt["new_start"]) or ("new_start" not in evt and now > evt["start"])):
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align += display_longtext(draw,
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(2 + fnt_R.getsize(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.getsize(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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