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