Remove the original Dublin Bus SOAP API client.

This commit is contained in:
Nahuel Lofeudo 2023-04-22 12:26:28 +01:00
parent b8ec772c51
commit 1c50e6ae3b
2 changed files with 0 additions and 83 deletions

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@ -1,82 +0,0 @@
import iso8601
import queue
import time
import traceback
import threading
import xml.etree.ElementTree as ET
from zeep import Client
from arrival_times import ArrivalTime
# Path to StopData elements within the XML
STOPDATA_PATH = ('{http://schemas.xmlsoap.org/soap/envelope/}Body/' +
'{http://dublinbus.ie/}GetRealTimeStopDataResponse/' +
'{http://dublinbus.ie/}GetRealTimeStopDataResult/' +
'{urn:schemas-microsoft-com:xml-diffgram-v1}diffgram/' +
'DocumentElement')
def every(delay, task) -> None:
""" Auxilliary function to schedule updates.
Taken from https://stackoverflow.com/questions/474528/what-is-the-best-way-to-repeatedly-execute-a-function-every-x-seconds
"""
next_time = time.time() + delay
while True:
time.sleep(max(0, next_time - time.time()))
try:
task()
except Exception:
traceback.print_exc()
# in production code you might want to have this instead of course:
# logger.exception("Problem while executing repetitive task.")
# skip tasks if we are behind schedule:
next_time += (time.time() - next_time) // delay * delay + delay
def parse_seconds(time_expr: str) -> int:
""" Parses an XML timestamp and returns the seconds since the epoch
E.g. 2022-09-10T20:33:30.387+01:00
"""
return int(iso8601.parse_date(time_expr).timestamp())
class DublinBusSoapClient:
""" Code to pull updates of the requested stops """
def __init__(self, stops: list[str], update_queue: queue.Queue, update_interval_seconds: int = 60) -> None :
# Store parameters
self._stops = stops
self._update_queue = update_queue
self._update_interval_seconds = update_interval_seconds
# Create SOAP Client
self._client = Client('http://rtpi.dublinbus.ie/DublinBusRTPIService.asmx?WSDL')
# Schedule refresh
self._refresh_thread = threading.Thread(target=lambda: every(self._update_interval_seconds, self.refresh))
def start(self) -> None:
""" Start the refresh thread """
self._refresh_thread.start()
self.refresh()
def refresh(self) -> None:
""" Poll for new and updated information. Queue it for display update. """
arrivals = []
for stop in self._stops:
with self._client.settings(raw_response=True):
response = self._client.service.GetRealTimeStopData(stopId=stop, forceRefresh=True)
if response.ok:
tree = ET.fromstring(response.text)
stopdata_elements = tree.find(STOPDATA_PATH)
for stopdata in (stopdata_elements or []):
route = stopdata.find('MonitoredVehicleJourney_PublishedLineName').text
destination = stopdata.find('MonitoredVehicleJourney_DestinationName').text
due_in_seconds = (parse_seconds(stopdata.find('MonitoredCall_ExpectedArrivalTime').text)
- parse_seconds(stopdata.find('Timestamp').text))
arrival_time = ArrivalTime(stop, route, destination, due_in_seconds)
arrivals.append(arrival_time)
arrivals = sorted(arrivals)
self._update_queue.put(arrivals)

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@ -5,7 +5,6 @@ from glob import glob
import pygame
from pygame.locals import *
from time import sleep
from dublinbus_soap_client import DublinBusSoapClient
import queue
from arrival_times import ArrivalTime
from gtfs_client import GTFSClient