generate pretty table from Timetable class, display with cv2

stations/get_stations.py

@@ -0,0 +1,45 @@
+import requests
+import xmltodict
+import json
+import os
+import time
+
+def update_station_data(jsonpath, max_age=86400):
+    if not update_file(jsonpath, max_age=max_age):
+        print(f"file {jsonpath} was modified less than {max_age}s ago, skipping")
+        return
+
+    url = "https://iris.noncd.db.de/iris-tts/timetable/station/*"
+    x = requests.get(url)
+    if x.status_code != 200:
+        raise ConnectionError(f"status code {x.status_code}")
+
+    xmlstr = x.text
+
+    stations_list = xmltodict.parse(xmlstr, )['stations']['station']
+
+    stations_dict = {}
+
+    for station in stations_list:
+        name = station.pop("@name")
+    
+        local_station = {k.strip('@'): v for k,v in station.items()}
+
+        stations_dict[name] = local_station
+
+    with open(jsonpath, 'w') as f:
+        f.write(json.dumps(stations_dict, indent=4, ensure_ascii=False))
+
+def update_file(fpath, max_age=86400):
+    if os.path.exists(fpath):
+        mtime = os.path.getmtime(fpath)
+        ctime = time.time()
+        if ctime - mtime < max_age:
+            return False
+    return True
+
+def main():
+    update_station_data("./stations/stations2.json")
+
+if __name__ == "__main__":
+    main()