import collections, datetime, re from src import Utils URL_BUS = "https://api.tfl.gov.uk/StopPoint/%s/Arrivals" URL_BUS_SEARCH = "https://api.tfl.gov.uk/StopPoint/Search/%s" URL_LINE_ARRIVALS = "https://api.tfl.gov.uk/Line/%s/Arrivals" URL_LINE = "https://api.tfl.gov.uk/Line/Mode/tube/Status" LINE_NAMES = ["bakerloo", "central", "circle", "district", "hammersmith and city", "jubilee", "metropolitan", "piccadilly", "victoria", "waterloo and city"] URL_STOP = "https://api.tfl.gov.uk/StopPoint/%s" URL_STOP_SEARCH = "https://api.tfl.gov.uk/StopPoint/Search/%s" URL_VEHICLE = "https://api.tfl.gov.uk/Vehicle/%s/Arrivals" URL_ROUTE = "https://api.tfl.gov.uk/Line/%s/Route/Sequence/all?excludeCrowding=True" PLATFORM_TYPES = ["Northbound", "Southbound", "Eastbound", "Westbound", "Inner Rail", "Outer Rail"] class Module(object): _name = "TFL" def __init__(self, bot, events, exports): self.bot = bot self.result_map = {} def vehicle_span(self, arrival_time, human=True): vehicle_due_iso8601 = arrival_time if "." in vehicle_due_iso8601: vehicle_due_iso8601 = vehicle_due_iso8601.split(".")[0]+"Z" vehicle_due = datetime.datetime.strptime(vehicle_due_iso8601, "%Y-%m-%dT%H:%M:%SZ") time_until = vehicle_due-datetime.datetime.utcnow() time_until = int(time_until.total_seconds()/60) if time_until == 0: human_time = "due" else: human_time = "in %s min" % time_until if human: return human_time else: return time_until def platform(self, platform, short=False): p = re.compile("(?:(.*) - Platform (\\d+)|(.*bound) Platform (\\d+))") m = p.match(platform) if m: platform = "platform %s (%s)" % (m.group(2), m.group(1)) if short and m.group(1) in PLATFORM_TYPES: platform = m.group(2) return platform @Utils.hook("received.command.tflbus", min_args=1, usage="") def bus(self, event): """ Get bus due times for a TfL bus stop """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] stop_id = event["args_split"][0] target_bus_route = None if len(event["args_split"]) > 1: target_bus_route = event["args_split"][1].lower() bus_stop = None real_stop_id = "" stop_name = "" if stop_id.isdigit(): bus_search = Utils.get_url(URL_BUS_SEARCH % stop_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True) bus_stop = bus_search["matches"][0] real_stop_id = bus_stop["id"] stop_name = bus_stop["name"] else: bus_stop = Utils.get_url(URL_STOP % stop_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True) if bus_stop: real_stop_id = stop_id stop_name = bus_stop["commonName"] if real_stop_id: bus_stop = Utils.get_url(URL_BUS % real_stop_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True) busses = [] for bus in bus_stop: bus_number = bus["lineName"] human_time = self.vehicle_span(bus["expectedArrival"]) time_until = self.vehicle_span(bus["expectedArrival"], human=False) # If the mode is "tube", "Underground Station" is redundant destination = bus.get("destinationName", "?") if (bus["modeName"] == "tube"): destination = destination.replace(" Underground Station", "") busses.append({"route": bus_number, "time": time_until, "id": bus["vehicleId"], "destination": destination, "human_time": human_time, "mode": bus["modeName"], "platform": bus["platformName"], "platform_short" : self.platform(bus["platformName"], short=True)}) if busses: busses = sorted(busses, key=lambda b: b["time"]) busses_filtered = [] bus_route_dest = [] bus_route_plat = [] # dedup if target route isn't "*", filter if target route isn't None or "*" for b in busses: if target_bus_route != "*": if (b["route"], b["destination"]) in bus_route_dest: continue if bus_route_plat.count((b["route"], b["platform"])) >= 2: continue bus_route_plat.append((b["route"], b["platform"])) bus_route_dest.append((b["route"], b["destination"])) if b["route"] == target_bus_route or not target_bus_route: busses_filtered.append(b) else: busses_filtered.append(b) self.result_map[event["target"].id] = busses_filtered # do the magic formatty things! busses_string = ", ".join(["%s (%s, %s)" % (b["destination"], b["route"], b["human_time"], ) for b in busses_filtered]) event["stdout"].write("%s (%s): %s" % (stop_name, stop_id, busses_string)) else: event["stderr"].write("%s: No busses due" % stop_id) else: event["stderr"].write("Bus ID '%s' unknown" % stop_id) @Utils.hook("received.command.tflline", usage="") def line(self, event): """ Get line status for TfL underground lines """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] lines = Utils.get_url(URL_LINE, get_params={ "app_id": app_id, "app_key": app_key}, json=True) statuses = [] for line in lines: for status in line["lineStatuses"]: entry = { "id": line["id"], "name": line["name"], "severity": status["statusSeverity"], "description": status["statusSeverityDescription"], "reason": status.get("reason") } statuses.append(entry) statuses = sorted(statuses, key=lambda line: line["severity"]) combined = collections.OrderedDict() for status in statuses: if not status["description"] in combined: combined[status["description"]] = [] combined[status["description"]].append(status) result = "" for k, v in combined.items(): result += k + ": " result += ", ".join(status["name"] for status in v) result += "; " if event["args"]: result = "" for status in statuses: for arg in event["args_split"]: if arg.lower() in status["name"].lower(): result += "%s: %s (%d) '%s'; " % (status["name"], status["description"], status["severity"], status["reason"]) if result: event["stdout"].write(result[:-2]) else: event["stderr"].write("No results") @Utils.hook("received.command.tflsearch", min_args=1, usage="") def search(self, event): """ Get a list of TfL stop IDs for a given name """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] #As awful as this is, it also makes it ~work~. stop_name = event["args"].replace(" ", "%20") stop_search = Utils.get_url(URL_STOP_SEARCH % stop_name, get_params={ "app_id": app_id, "app_key": app_key, "maxResults": "6", "faresOnly": "False"}, json=True) if stop_search: for stop in stop_search["matches"]: pass results = ["%s (%s): %s" % (stop["name"], ", ".join(stop["modes"]), stop["id"]) for stop in stop_search["matches"]] event["stdout"].write("[%s results] %s" % (stop_search["total"], "; ".join(results))) else: event["stderr"].write("No results") @Utils.hook("received.command.tflvehicle", min_args=1, usage="") def vehicle(self, event): """ Get information for a given vehicle """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] vehicle_id = event["args_split"][0] vehicle = Utils.get_url(URL_VEHICLE % vehicle_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True)[0] arrival_time = self.vehicle_span(vehicle["expectedArrival"], human=False) platform = self.platform(vehicle["platformName"]) event["stdout"].write("%s (%s) to %s. %s. Arrival at %s (%s) in %s minutes on %s" % ( vehicle["vehicleId"], vehicle["lineName"], vehicle["destinationName"], vehicle["currentLocation"], vehicle["stationName"], vehicle["naptanId"], arrival_time, platform)) @Utils.hook("received.command.tflservice", min_args=1, usage="") def service(self, event): """ Get service information and arrival estimates """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] service_id = event["args_split"][0] if service_id.isdigit(): if not event["target"].id in self.result_map: event["stdout"].write("No history") return results = self.result_map[event["target"].id] if int(service_id) >= len(results): event["stdout"].write("%s is too high. Remember that the first arrival is 0" % service_id) return service = results[int(service_id)] arrivals = Utils.get_url(URL_LINE_ARRIVALS % service["route"], get_params={ "app_id": app_id, "app_key": app_key}, json=True) arrivals = [a for a in arrivals if a["vehicleId"] == service["id"]] arrivals = sorted(arrivals, key=lambda b: b["timeToStation"]) event["stdout"].write( "%s (%s) to %s: " % (arrivals[0]["vehicleId"], arrivals[0]["lineName"], arrivals[0]["destinationName"]) + ", ".join(["%s (%s, %s)" % (a["stationName"], self.platform(a.get("platformName", "?"), True), a["expectedArrival"][11:16] ) for a in arrivals])) @Utils.hook("received.command.tflstop", min_args=1, usage="") def stop(self, event): """ Get information for a given stop """ app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] stop_id = event["args_split"][0] stop = Utils.get_url(URL_STOP % stop_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True) def route(self, event): app_id = self.bot.config["tfl-api-id"] app_key = self.bot.config["tfl-api-key"] route_id = event["args_split"][0] route = Utils.get_url(URL_ROUTE % route_id, get_params={ "app_id": app_id, "app_key": app_key}, json=True) event["stdout"].write("")