Add iCal reader and module

main.py

@@ -69,6 +69,11 @@ def main():
     ratp = RATPWeatherModule().draw_module(config, int(480/1.6), 94)
     image.paste(ratp, (480-int(480/1.6), 155))
 
+    # ical
+    from modules.ical import IcalModule
+    cal = IcalModule().draw_module(config, 480-int(480/1.6), 255)
+    image.paste(cal, (0, 250))
+
     # Toolbar
     from modules.weather import WeatherToolbarModule
     image.paste(WeatherToolbarModule().draw_module(config, 480, 50), (0, 530))

modules/ical.py

@@ -0,0 +1,64 @@
+from datetime import datetime, timedelta, timezone
+import urllib.request
+
+from icalendar import Calendar, Event, vCalAddress, vText
+from PIL import Image, ImageDraw, ImageFont
+import pytz
+
+class IcalModule:
+
+    def __init__(self, cals=[]):
+        self.cals = cals
+
+    def draw_module(self, config, width, height, line_height=19):
+        now = datetime.now(tz=pytz.timezone('Europe/Paris'))
+        toofar = now + timedelta(weeks=1)
+
+        events = []
+        for cal in self.cals:
+            with urllib.request.urlopen(cal) as c:
+                ecal = Calendar.from_ical(c.read())
+                for component in ecal.walk():
+                    if component.name == "VEVENT":
+                        if component.decoded("DTEND") < now:
+                            continue
+                        if component.decoded("DTSTART") > toofar:
+                            continue
+
+                        events.append({
+                            "summary": component.get("SUMMARY"),
+                            "start": component.decoded("DTSTART"),
+                            "end": component.decoded("DTEND"),
+                        })
+
+        # Sort events
+        events.sort(key=lambda e: e["start"])
+
+        image = Image.new('RGB', (width, height), '#fff')
+        draw = ImageDraw.Draw(image)
+
+        fnt_R = ImageFont.truetype(config.fnt_R_path, int(line_height*0.7))
+        fnt_B = ImageFont.truetype(config.fnt_RB_path, int(line_height*0.7))
+
+        last_evt = None
+        align = 0
+        for evt in events:
+            if last_evt is None or last_evt["start"].astimezone(pytz.timezone('Europe/Paris')).day != evt["start"].astimezone(pytz.timezone('Europe/Paris')).day:
+                draw.text(
+                    (width / 2, align),
+                    evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%a %d %B"),
+                    fill="black", anchor="mt", font=fnt_B
+                )
+                align += line_height
+                draw.rectangle((0, align-4, width, align-4), fill="black")
+
+            draw.text(
+                (2, align),
+                evt["start"].astimezone(pytz.timezone('Europe/Paris')).strftime("%H:%M") + "  " + evt["summary"],
+                fill="black", anchor="lt", font=fnt_R
+            )
+
+            align += line_height
+            last_evt = evt
+
+        return image