First prototype

Author: firefly-cpp

tcx2ics/__init__.py

@@ -0,0 +1,3 @@
+from .tcx2ics import Tcx2Ics
+
+__all__ = ["Tcx2Ics"]

tcx2ics/tcx2ics.py

@@ -0,0 +1,54 @@
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from tcxreader.tcxreader import TCXReader
+
+
+class Tcx2Ics:
+    def __init__(self):
+        self.reader = TCXReader()
+
+    def convert(self, tcx_file: str, ics_file: str):
+        ex = self.reader.read(tcx_file)
+
+        sport = getattr(ex, "activity_type", None) or getattr(ex, "sport", None) or "Workout"
+        start = getattr(ex, "start_time", None)
+        duration = float(getattr(ex, "duration", 0) or 0)   # seconds
+        distance = float(getattr(ex, "distance", 0) or 0)   # meters
+
+        if not isinstance(start, datetime):
+            raise ValueError("No start_time found in TCX")
+
+        if start.tzinfo is None:
+            start = start.replace(tzinfo=timezone.utc)
+        else:
+            start = start.astimezone(timezone.utc)
+
+        end = start + timedelta(seconds=duration)
+
+        dist_km = distance / 1000.0
+        dur_h = int(duration) // 3600
+        dur_m = (int(duration) % 3600) // 60
+        dur_s = int(duration) % 60
+
+        summary = f"{sport} - {dist_km:.2f} km"
+        desc = f"Sport: {sport}\\nTotal duration: {dur_h}:{dur_m:02d}:{dur_s:02d}\\nDistance: {dist_km:.2f} km"
+
+        uid = f"{Path(tcx_file).stem}-{start.strftime('%Y%m%dT%H%M%SZ')}@tcx2ics"
+        now = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
+
+        ics = (
+            "BEGIN:VCALENDAR\r\n"
+            "VERSION:2.0\r\n"
+            "PRODID:-//tcx2ics//EN\r\n"
+            "BEGIN:VEVENT\r\n"
+            f"UID:{uid}\r\n"
+            f"DTSTAMP:{now}\r\n"
+            f"DTSTART:{start.strftime('%Y%m%dT%H%M%SZ')}\r\n"
+            f"DTEND:{end.strftime('%Y%m%dT%H%M%SZ')}\r\n"
+            f"SUMMARY:{summary}\r\n"
+            f"DESCRIPTION:{desc}\r\n"
+            "END:VEVENT\r\n"
+            "END:VCALENDAR\r\n"
+        )
+
+        Path(ics_file).write_text(ics, encoding="utf-8")