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Update app.py
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app.py
CHANGED
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@@ -3,29 +3,37 @@ import requests
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from datetime import datetime
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import xml.etree.ElementTree as ET
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return STATION_EVA.get(normalized)
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def search_connections(departure, destination, client_id, api_key):
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"""Sucht Verbindungen zwischen zwei Bahnhöfen"""
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@@ -36,18 +44,26 @@ def search_connections(departure, destination, client_id, api_key):
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if not client_id or not api_key:
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return "❌ Bitte Client ID und API Key eingeben"
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# EVA
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if not
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# Aktuelles Datum und Stunde
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now = datetime.now()
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datum = now.strftime("%y%m%d") # YYMMDD
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stunde = now.strftime("%H") # HH
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# API-Aufruf
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url = f"https://apis.deutschebahn.com/db-api-marketplace/apis/timetables/v1/plan/{departure_eva}/{datum}/{stunde}"
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headers = {
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@@ -60,122 +76,101 @@ def search_connections(departure, destination, client_id, api_key):
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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 f"❌ API Fehler: {response.status_code}
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# XML parsen
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root = ET.fromstring(response.content)
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connections = []
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# Alle Züge durchgehen
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for train in root.findall('.//s'):
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# Abfahrtsinformationen
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dp = train.find('dp')
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if dp is None:
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continue
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# Route des Zugs
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path = dp.get('ppth', '')
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# Prüfen ob Zielort
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planned_time = dp.get('pt', '')
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platform = dp.get('pp', 'n/a')
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planned_time = f"{planned_time[:2]}:{planned_time[2:]}"
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# Route formatieren
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route = ' → '.join(path.split('|'))
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connections.append({
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'train':
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'time': planned_time,
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'platform': platform,
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'route': route
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})
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# Ergebnisse formatieren
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if not connections:
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return f"ℹ️ Keine direkten Verbindungen von {
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result = f"🚆 Verbindungen von {
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result += f"
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for i, conn in enumerate(connections[:
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result += f"─────────────────────────────────\n"
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result += f"{i}. {conn['train']}\n"
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result += f" ⏰ Abfahrt: {conn['time']} Uhr\n"
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result += f" 🚉 Gleis: {conn['platform']}\n"
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result += f" 🗺️ Route: {conn['route']}
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return result
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except requests.exceptions.Timeout:
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return "❌ Zeitüberschreitung bei der API-Anfrage"
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except requests.exceptions.RequestException as e:
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return f"❌ Netzwerkfehler: {str(e)}"
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except ET.ParseError as e:
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return f"❌ Fehler beim Parsen der XML-Antwort: {str(e)}"
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except Exception as e:
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return f"❌
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# Gradio Interface
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with gr.Blocks(title="
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gr.Markdown(
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"""
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# 🚆
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"""
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)
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with gr.Row():
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with gr.Column():
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client_id_input = gr.Textbox(
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placeholder="Ihre Client ID von developers.deutschebahn.com",
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type="password"
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)
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api_key_input = gr.Textbox(
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label="DB API Key",
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placeholder="Ihr API Key",
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type="password"
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)
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with gr.Row():
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with gr.Column():
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departure_input = gr.Textbox(
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label="Abfahrtsort",
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placeholder="z.B. Frankfurt"
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value=""
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)
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with gr.Column():
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destination_input = gr.Textbox(
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label="Zielort",
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placeholder="z.B.
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value=""
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)
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gr.
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output = gr.Textbox(
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label="Ergebnisse",
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lines=20,
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max_lines=30
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)
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gr.Markdown(
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###
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- Die App sucht nach direkten Verbindungen in der aktuellen Stunde
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- Geben Sie Städtenamen ohne "Hbf" ein (z.B. "Frankfurt" statt "Frankfurt Hbf")
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"""
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)
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from datetime import datetime
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import xml.etree.ElementTree as ET
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def get_station_info(pattern, client_id, api_key):
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"""
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Sucht über die Timetables API nach einem Bahnhof und gibt EVA-Nummer
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und den korrekten Namen zurück.
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"""
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url = f"https://apis.deutschebahn.com/db-api-marketplace/apis/timetables/v1/station/{pattern}"
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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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response.raise_for_status()
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root = ET.fromstring(response.content)
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stations = []
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for station in root.findall('station'):
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stations.append({
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'name': station.get('name'),
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'eva': station.get('eva')
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})
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# Falls Stationen gefunden wurden, nehmen wir die erste (beste Übereinstimmung)
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return stations[0] if stations else None
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except Exception as e:
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print(f"Fehler bei Stationssuche: {e}")
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return None
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def search_connections(departure, destination, client_id, api_key):
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"""Sucht Verbindungen zwischen zwei Bahnhöfen"""
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if not client_id or not api_key:
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return "❌ Bitte Client ID und API Key eingeben"
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# 1. IBNR (EVA) für Abfahrtsort ermitteln
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dep_info = get_station_info(departure, client_id, api_key)
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if not dep_info:
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return f"❌ Abfahrtsort '{departure}' wurde nicht gefunden."
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# 2. IBNR (EVA) für Zielort ermitteln (für genaueres Matching im Pfad)
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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 f"❌ Zielort '{destination}' wurde nicht gefunden."
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departure_eva = dep_info['eva']
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departure_name = dep_info['name']
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destination_name = dest_info['name']
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# Aktuelles Datum und Stunde
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now = datetime.now()
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datum = now.strftime("%y%m%d") # YYMMDD
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stunde = now.strftime("%H") # HH
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# API-Aufruf für den Fahrplan
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url = f"https://apis.deutschebahn.com/db-api-marketplace/apis/timetables/v1/plan/{departure_eva}/{datum}/{stunde}"
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headers = {
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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 f"❌ API Fehler beim Abrufen des Fahrplans: {response.status_code}"
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root = ET.fromstring(response.content)
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connections = []
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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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continue
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# Route des Zugs (ppth = planned path)
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path = dp.get('ppth', '')
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# Prüfen ob Zielort im Pfad enthalten ist
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# Wir prüfen sowohl den eingegebenen Namen als auch den gefundenen offiziellen Namen
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if destination_name.lower() in path.lower() or destination.lower() in path.lower():
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# Zugdetails extrahieren
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tl = train.find('tl') # Train Label
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train_class = tl.get('c', '') # z.B. ICE
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train_number = tl.get('n', '') # z.B. 123
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full_train_name = f"{train_class} {train_number}"
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planned_time = dp.get('pt', '')
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platform = dp.get('pp', 'n/a')
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if len(planned_time) == 10: # Format YYMMDDHHMM
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planned_time = f"{planned_time[8:10]}:{planned_time[10:12]}"
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elif len(planned_time) == 4:
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planned_time = f"{planned_time[:2]}:{planned_time[2:]}"
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route = ' → '.join(path.split('|'))
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connections.append({
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'train': full_train_name,
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'time': planned_time,
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'platform': platform,
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'route': route
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})
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if not connections:
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return f"ℹ️ Keine direkten Verbindungen von {departure_name} nach {destination_name} gefunden.\n(Suche im Zeitraum {now.strftime('%H:00')} - {int(now.strftime('%H'))+1}:00 Uhr)"
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result = f"🚆 Verbindungen von: {departure_name}\n"
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result += f"🏁 Ziel: {destination_name}\n"
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result += f"📅 Datum: {now.strftime('%d.%m.%Y')}\n\n"
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for i, conn in enumerate(connections[:15], 1):
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result += f"─────────────────────────────────\n"
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result += f"{i}. {conn['train']}\n"
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result += f" ⏰ Abfahrt: {conn['time']} Uhr\n"
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result += f" 🚉 Gleis: {conn['platform']}\n"
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result += f" 🗺️ Route: {conn['route'][:100]}...\n\n"
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return result
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except Exception as e:
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return f"❌ Fehler: {str(e)}"
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# Gradio Interface
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with gr.Blocks(title="DB Timetable API - Live Suche", theme=gr.themes.Soft()) as demo:
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gr.Markdown(
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"""
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# 🚆 DB Live-Fahrplanauskunft
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Ermittelt automatisch die IBNR (EVA-Nummer) und sucht nach Verbindungen.
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"""
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)
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with gr.Row():
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with gr.Column():
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client_id_input = gr.Textbox(label="DB Client ID", type="password")
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api_key_input = gr.Textbox(label="DB API Key", type="password")
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with gr.Row():
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with gr.Column():
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departure_input = gr.Textbox(
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label="Abfahrtsort",
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placeholder="z.B. Berlin Hbf oder Frankfurt"
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with gr.Column():
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destination_input = gr.Textbox(
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label="Zielort",
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placeholder="z.B. München Hbf"
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search_button = gr.Button("🔍 Verbindungen suchen", variant="primary")
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output = gr.Textbox(label="Ergebnisse", lines=20)
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gr.Markdown(
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"""
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### ℹ️ Funktionsweise
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1. Die App sendet Ihren Suchbegriff an den `/station` Endpoint.
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2. Die erste gefundene **EVA-Nummer (IBNR)** wird für die Abfrage genutzt.
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3. Der Fahrplan für die aktuelle Stunde wird abgerufen.
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4. Es wird gefiltert, ob der Zielbahnhof im geplanten Fahrtverlauf vorkommt.
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"""
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)
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