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import collections, datetime, re
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 = "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"
class Module(object):
_name = "TFL"
def __init__(self, bot):
self.bot = bot
bot.events.on("received").on("command").on("tflbus"
).hook(self.bus, min_args=1,
help="Get bus due times for a TfL bus stop",
usage="<stop_id>")
bot.events.on("received").on("command").on("tflline"
).hook(self.line,
help="Get line status for TfL underground lines",
usage="<line_name>")
bot.events.on("received").on("command").on("tflsearch"
).hook(self.search, min_args=1,
help="Get a list of TfL stop IDs for a given name",
usage="<name>")
bot.events.on("received").on("command").on("tflvehicle"
).hook(self.vehicle, min_args=1,
help="Get information for a given vehicle",
usage="<ID>")
def bus(self, event):
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"]
bus_due_iso8601 = bus["expectedArrival"]
if "." in bus_due_iso8601:
bus_due_iso8601 = bus_due_iso8601.split(".")[0]+"Z"
bus_due = datetime.datetime.strptime(bus_due_iso8601,
"%Y-%m-%dT%H:%M:%SZ")
time_until = bus_due-datetime.datetime.utcnow()
time_until = int(time_until.total_seconds()/60)
# Nice human friendly time (also consistent with how TfL display it)
if time_until == 0: human_time = "due"
elif time_until == 1: human_time = "in 1 minute"
else: human_time = "in %d minutes" % time_until
# 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"]})
if busses:
busses = sorted(busses, key=lambda b: b["time"])
busses_filtered = []
bus_routes = []
# 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"] in bus_routes: continue
bus_routes.append(b["route"])
if b["route"] == target_bus_route or not target_bus_route:
busses_filtered.append(b)
else:
busses_filtered.append(b)
# 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)
def line(self, event):
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")
def search(self, event):
app_id = self.bot.config["tfl-api-id"]
app_key = self.bot.config["tfl-api-key"]
stop_name = event["args"]
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"]:
print(stop)
results = ["%s (%s): %s" % (stop["name"], ", ".join(stop["modes"]), stop["id"]) for stop in stop_search["matches"]]
event["stdout"].write("; ".join(results))
if not results:
event["stderr"].write("No results")
else:
event["stderr"].write("No results")
def vehicle(self, event):
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]
#Stolen from bus
vehicle_due_iso8601 = vehicle["expectedArrival"]
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"
elif time_until == 1: human_time = "in 1 minute"
else: human_time = "in %d minutes" % time_until
platform = vehicle["platformName"]
p = re.compile("(.*) - Platform (\\d+)")
m = p.match(platform)
if m:
platform = "platform %s (%s)" % (m.group(2), m.group(1))
###
event["stdout"].write("%s (%s) to %s. %s. Arrival at %s (%s) %s on %s" % (
vehicle["vehicleId"], vehicle["lineName"], vehicle["destinationName"], vehicle["currentLocation"],
vehicle["stationName"], vehicle["naptanId"], human_time, platform))
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