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Update app.py
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app.py
CHANGED
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@@ -3,7 +3,6 @@ import requests
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from datetime import datetime, timedelta
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import xml.etree.ElementTree as ET
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import json
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import os
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def get_station_info(pattern, client_id, api_key):
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"""Ermittelt EVA-Nummer und offiziellen Namen."""
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@@ -40,122 +39,90 @@ def fetch_timetable_hour(eva, date_str, hour_str, client_id, api_key):
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pass
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return None
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def
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"""Ruft die detaillierten Journey-Informationen ab."""
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url = f"https://apis.deutschebahn.com/db-api-marketplace/apis/timetables/v1/journeyDetails/{journey_id}"
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headers = {
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'DB-Client-Id': client_id,
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'DB-Api-Key': api_key,
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'accept': 'application/xml'
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}
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try:
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response = requests.get(url, headers=headers, timeout=10)
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if response.status_code == 200:
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return ET.fromstring(response.content)
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except Exception:
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pass
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return None
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def search_next_3_connections(departure, destination):
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"""Hauptfunktion: Findet die nächsten 3 Verbindungen ab 'jetzt'."""
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api_key = os.getenv('api_key')
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if not all([departure, destination, client_id, api_key]):
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return {"error": "Bitte alle Felder ausfüllen
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# 1. IBNRs ermitteln
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dep_info = get_station_info(departure, client_id, api_key)
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dest_info = get_station_info(destination, client_id, api_key)
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if not dest_info:
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return {"error": f"Zielort '{destination}' nicht gefunden."}
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now = datetime.now()
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found_connections = []
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# 2. Suche in der aktuellen und
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for hour_offset in range(3):
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search_time = now + timedelta(hours=hour_offset)
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datum = search_time.strftime("%y%m%d")
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stunde = search_time.strftime("%H")
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root = fetch_timetable_hour(dep_info['eva'], datum, stunde, client_id, api_key)
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if root is None:
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for train in root.findall('.//s'):
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dp = train.find('dp')
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if dp is None:
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# Prüfen ob Ziel im geplanten Pfad (ppth)
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path = dp.get('ppth', '')
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if dest_info['name'].lower()
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for stop in details_root.findall('.//stop'):
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if stop.get('eva') == dest_info['eva']:
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ar = stop.find('ar')
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if ar is not None:
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arr_pt = ar.get('pt', '')
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if arr_pt:
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arr_dt = datetime.strptime(arr_pt, "%y%m%d%H%M")
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break
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if arr_dt is None:
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continue # Ziel nicht gefunden oder keine Ankunftszeit
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# Berechne Duration
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duration_delta = arr_dt - dep_dt
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duration_minutes = int(duration_delta.total_seconds() / 60)
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duration_str = f"{duration_minutes // 60:02d}:{duration_minutes % 60:02d}"
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tl = train.find('tl')
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found_connections.append({
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"startort": dep_info['name'],
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"zielort": dest_info['name'],
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"abfahrtszeit": dep_dt.strftime("%H:%M"),
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"ankunftszeit": arr_dt.strftime("%H:%M"),
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"duration": duration_str,
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"gleis": dp.get('pp', 'n/a'),
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"zug": f"{tl.get('c', '')} {tl.get('n', '')}",
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"_dt": dep_dt # Hilfsfeld zum Sortieren
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})
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# 3. Sortieren und Top 3 auswählen
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found_connections.sort(key=lambda x: x['_dt'])
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# Bereinigen der Ergebnisse für die JSON-Ausgabe
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final_results = []
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for c in found_connections[:3]:
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# Entferne das interne Datetime-Objekt vor der JSON-Konvertierung
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res = {k: v for k, v in c.items() if k != "_dt"}
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final_results.append(res)
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return final_results
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# --- Gradio UI ---
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return json.dumps(results, indent=4, ensure_ascii=False)
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with gr.Blocks(title="DB JSON Fahrplan", theme=gr.themes.Soft()) as demo:
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gr.Markdown("# 🚆 DB Verbindungs-Suche (JSON)")
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gr.Markdown("Ermittelt die nächsten 3 Verbindungen ab dem aktuellen Zeitstempel.")
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with gr.Row():
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dep_input = gr.Textbox(label="Abfahrtsort", placeholder="z.B. Berlin")
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dest_input = gr.Textbox(label="Zielort", placeholder="z.B. Hamburg")
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btn = gr.Button("Suchen", variant="primary")
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output = gr.JSON(label="JSON Ergebnis")
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if __name__ == "__main__":
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demo.launch()
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from datetime import datetime, timedelta
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import xml.etree.ElementTree as ET
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import json
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def get_station_info(pattern, client_id, api_key):
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"""Ermittelt EVA-Nummer und offiziellen Namen."""
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pass
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return None
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def search_next_3_connections(departure, destination, client_id, api_key):
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"""Hauptfunktion: Findet die nächsten 3 Verbindungen ab 'jetzt'."""
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if not all([departure, destination, client_id, api_key]):
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return {"error": "Bitte alle Felder ausfüllen."}
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# 1. IBNRs ermitteln
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dep_info = get_station_info(departure, client_id, api_key)
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dest_info = get_station_info(destination, client_id, api_key)
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if not dep_info: return {"error": f"Startort '{departure}' nicht gefunden."}
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if not dest_info: return {"error": f"Zielort '{destination}' nicht gefunden."}
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now = datetime.now()
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found_connections = []
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# 2. Suche in der aktuellen und der nächsten Stunde (um 3 Verbindungen zu garantieren)
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for hour_offset in range(3): # Wir schauen bis zu 2 Stunden voraus
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search_time = now + timedelta(hours=hour_offset)
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datum = search_time.strftime("%y%m%d")
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stunde = search_time.strftime("%H")
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root = fetch_timetable_hour(dep_info['eva'], datum, stunde, client_id, api_key)
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if root is None: continue
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for train in root.findall('.//s'):
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dp = train.find('dp')
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if dp is None: continue
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# Prüfen ob Ziel im geplanten Pfad (ppth)
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path = dp.get('ppth', '')
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if dest_info['name'].lower() in path.lower() or destination.lower() in path.lower():
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pt = dp.get('pt', '') # Geplante Zeit: YYMMDDHHMM
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if not pt: continue
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dep_dt = datetime.strptime(pt, "%y%m%d%H%M")
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# Nur Verbindungen in der Zukunft (ab Zeitstempel jetzt)
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if dep_dt >= now:
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tl = train.find('tl')
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found_connections.append({
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"startort": dep_info['name'],
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"zielort": dest_info['name'],
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"abfahrtszeit": dep_dt.strftime("%d.%m.%Y %H:%M"),
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"gleis": dp.get('pp', 'n/a'),
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"zug": f"{tl.get('c', '')} {tl.get('n', '')}",
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"_dt": dep_dt # Hilfsfeld zum Sortieren
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})
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# 3. Sortieren und Top 3 auswählen
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found_connections.sort(key=lambda x: x['_dt'])
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# Bereinigen der Ergebnisse für die JSON-Ausgabe
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final_results = []
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for c in found_connections[:3]:
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# Entferne das interne Datetime-Objekt vor der JSON-Konvertierung
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res = {k: v for k, v in c.items() if k != "_dt"}
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final_results.append(res)
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return final_results
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# --- Gradio UI ---
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def ui_wrapper(dep, dest, cid, akey):
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results = search_next_3_connections(dep, dest, cid, akey)
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return json.dumps(results, indent=4, ensure_ascii=False)
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with gr.Blocks(title="DB JSON Fahrplan", theme=gr.themes.Soft()) as demo:
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gr.Markdown("# 🚆 DB Verbindungs-Suche (JSON)")
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gr.Markdown("Ermittelt die nächsten 3 Verbindungen ab dem aktuellen Zeitstempel.")
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with gr.Row():
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cid_input = gr.Textbox(label="DB Client ID", type="password")
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akey_input = gr.Textbox(label="DB API Key", type="password")
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with gr.Row():
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dep_input = gr.Textbox(label="Abfahrtsort", placeholder="z.B. Berlin")
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dest_input = gr.Textbox(label="Zielort", placeholder="z.B. Hamburg")
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btn = gr.Button("Suchen", variant="primary")
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output = gr.JSON(label="JSON Ergebnis") # Nutzt Gradio JSON Komponente für schöneres Format
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btn.click(fn=ui_wrapper, inputs=[dep_input, dest_input, cid_input, akey_input], outputs=output)
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if __name__ == "__main__":
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demo.launch()
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