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28
main.py
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28
main.py
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@ -0,0 +1,28 @@
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import asyncio
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from sncf.sncf import SNCF, PhysicalModes
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async def main():
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sncf = SNCF("5722269b-2e58-49ee-986b-21741438d5ff") # instanciate SNCF client with auth token
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sncf.set_physical_mode(PhysicalModes.Train) # set prefered mode (others can be Autocar, LongDistanceTrain (TGV), ...)
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for stop in await sncf.get_station("Benfeld"):
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print(stop.name, stop.id)
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print("Available physical modes: ", [mode.value for mode in stop.physical_modes])
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print("----------------")
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sncf.set_source_stop_point("stop_point:SNCF:87214056") # Sélestat
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sncf.set_dest_stop_point("stop_point:SNCF:87212027") # Strasbourg
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sncf.max_transfers = 2
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sncf.max_duration_secs = 20 * 60
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next_journeys = await sncf.get_next_journeys(max_count=5)
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for next_journey in next_journeys:
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print("(D)", next_journey.departure_date_time, "-", "(A)", next_journey.arrival_date_time,
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"- Transfers:", next_journey.nb_transfers,
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"- Duration:", next_journey.duration, "seconds"
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)
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if __name__ == '__main__':
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asyncio.run(main())
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2
requirements.txt
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2
requirements.txt
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httpx
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pydantic
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@ -1,3 +1,5 @@
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from .sncf import SNCF, SNCFJourney
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from .sncf import SNCF
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from .objects import Journey
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from .objects import *
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__all__ = ['SNCF', 'SNCFJourney']
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#__all__ = ['SNCF']
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343
sncf/objects.py
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343
sncf/objects.py
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import enum
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from pydantic import BaseModel, validator, Field
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import datetime
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from typing import List, Optional
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BaseModel.Config.extra = "forbid"
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class Coord(BaseModel):
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lat: float
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lon: float
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class Code(BaseModel):
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type: str
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value: str
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class CO2Emission(BaseModel):
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value: float
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unit: str
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class Link(BaseModel):
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internal: Optional[bool]
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type: str
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id: Optional[str]
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rel: Optional[str]
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templated: Optional[bool]
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href: Optional[str]
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class AdministrativeRegion(BaseModel):
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id: str
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name: str
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label: str
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coord: Coord
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level: int
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zip_code: str
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insee: int
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class TravelMode(BaseModel):
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id: str
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name: str
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@property
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def value(self) -> str:
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return self.id.split(":")[-1]
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class PhysicalMode(TravelMode):
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@validator("id")
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def validate_physicalmode(cls, v):
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for physicalmode in PhysicalModes:
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if v == f"physical_mode:{physicalmode}":
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return v
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raise ValueError(v)
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class PhysicalModes(str, enum.Enum):
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Air = "Air"
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Boat = "Boat"
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Bus = "Bus"
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BusRapidTransit = "BusRapidTransit"
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Coach = "Coach"
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Ferry = "Ferry"
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Funicular = "Funicular"
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LocalTrain = "LocalTrain"
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LongDistanceTrain = "LongDistanceTrain"
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Metro = "Metro"
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RailShuttle = "RailShuttle"
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RapidTransit = "RapidTransit"
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Shuttle = "Shuttle"
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SuspendedCableCar = "SuspendedCableCar"
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Taxi = "Taxi"
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Train = "Train"
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Tramway = "Tramway"
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class StopArea(BaseModel):
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id: str
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name: str
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label: str
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coord: Coord
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administrative_regions: Optional[List[AdministrativeRegion]]
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stop_points: Optional[List["StopPoint"]]
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codes: List[Code]
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links: List[Link]
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timezone: str
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commercial_modes: Optional[List[TravelMode]]
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physical_modes: Optional[List[PhysicalMode]]
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class StopPoint(BaseModel):
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id: str
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name: str
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coord: Coord
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administrative_regions: Optional[List[AdministrativeRegion]]
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equipments: List[str]
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stop_area: Optional[StopArea]
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links: List[Link]
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label: str
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class JourneyStatus(str, enum.Enum):
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NONE = ""
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NO_SERVICE = "NO_SERVICE"
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REDUCED_SERVICE = "REDUCED_SERVICE"
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SIGNIFICANT_DELAYS = "SIGNIFICANT_DELAYS"
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DETOUR = "DETOUR"
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ADDITIONAL_SERVICE = "ADDITIONAL_SERVICE"
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MODIFIED_SERVICE = "MODIFIED_SERVICE"
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OTHER_EFFECT = "OTHER_EFFECT"
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UNKNOWN_EFFECT = "UNKNOWN_EFFECT"
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STOP_MOVED = "STOP_MOVED"
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class SectionType(str, enum.Enum):
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public_transport = "public_transport"
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street_network = "street_network"
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waiting = "waiting"
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stay_in = "stay_in"
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transfer = "transfer"
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crow_fly = "crow_fly"
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on_demand_transport = "on_demand_transport"
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bss_rent = "bss_rent"
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bss_put_back = "bss_put_back"
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boarding = "boarding"
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landing = "landing"
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alighting = "alighting"
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park = "park"
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ridesharing = "ridesharing"
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class SectionMode(str, enum.Enum):
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NONE = ""
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Walking = "walking"
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Bike = "bike"
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Car = "car"
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Taxi = "taxi"
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class EmbeddedType(str, enum.Enum):
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administrative_region = "administrative_region"
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stop_area = "stop_area"
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stop_point = "stop_point"
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address = "address"
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poi = "poi"
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class POIType(BaseModel):
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id: str
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name: str
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class POI(BaseModel):
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id: str
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name: str
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label: str
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type: POIType
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# stands: todo
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class Address(BaseModel):
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id: str
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name: str
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label: str
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coord: Coord
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house_number: int
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administrative_regions: List[AdministrativeRegion]
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class Place(BaseModel):
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id: str
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name: str
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quality: int
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embedded_type: EmbeddedType
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administrative_region: Optional[AdministrativeRegion]
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stop_area: Optional[StopArea]
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stop_point: Optional[StopPoint]
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address: Optional[Address]
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poi: Optional[POI]
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@property
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def embed(self) -> AdministrativeRegion | StopArea | POI | Address | StopPoint:
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return getattr(self, self.embedded_type)
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class DisplayInformation(BaseModel):
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network: str
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physical_mode: str
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commercial_mode: str
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code: str
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color: str
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text_color: str
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direction: str
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headsign: str
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label: str
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name: str
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trip_short_name: str
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equipments: List[str]
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description: str
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links: List[Link]
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class Path(BaseModel):
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length: int
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name: str
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duration: int
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direction: int
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class TransferType(str, enum.Enum):
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walking = "walking"
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stay_in = "stay_in"
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class StopDateTime(BaseModel):
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stop_point: StopPoint
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additional_informations: List[str]
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base_departure_date_time: Optional[datetime.datetime]
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departure_date_time: Optional[datetime.datetime]
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base_arrival_date_time: Optional[datetime.datetime]
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arrival_date_time: Optional[datetime.datetime]
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links: List[str]
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@validator(
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"base_departure_date_time",
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"departure_date_time",
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"base_arrival_date_time",
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"arrival_date_time",
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pre=True, allow_reuse=True)
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def convert_datetime(cls, v):
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return datetime.datetime.strptime(v, "%Y%m%dT%H%M%S")
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class DataFreshness(str, enum.Enum):
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realtime = "realtime"
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base_schedule = "base_schedule"
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class Section(BaseModel):
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type: SectionType
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id: str
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mode: Optional[SectionMode]
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duration: int
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from_place: Optional[Place] = Field(alias='from')
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to_place: Optional[Place] = Field(alias='to')
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links: List[Link]
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display_informations: Optional[DisplayInformation]
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additional_informations: Optional[List[str]] # todo: enum
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geojson: Optional[dict] # todo
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path: Optional[List[Path]]
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transfer_type: Optional[TransferType]
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stop_date_times: Optional[List[StopDateTime]]
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departure_date_time: datetime.datetime
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arrival_date_time: datetime.datetime
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co2_emission: CO2Emission
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data_freshness: Optional[DataFreshness]
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base_departure_date_time: Optional[datetime.datetime]
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base_arrival_date_time: Optional[datetime.datetime]
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@validator(
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"departure_date_time",
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"arrival_date_time",
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"base_departure_date_time",
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"base_arrival_date_time",
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pre=True, allow_reuse=True)
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def convert_datetime(cls, v):
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return datetime.datetime.strptime(v, "%Y%m%dT%H%M%S")
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class Cost(BaseModel):
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value: float
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currency: Optional[str]
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class Fare(BaseModel):
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total: Cost
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found: bool
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links: List[Link]
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class Durations(BaseModel):
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taxi: int
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walking: int
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car: int
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ridesharing: int
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bike: int
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total: Optional[int]
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class Period(BaseModel):
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begin: datetime.date
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end: datetime.date
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@validator(
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"begin",
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"end",
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pre=True, allow_reuse=True)
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def convert_datetime(cls, v):
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return datetime.datetime.strptime(v, "%Y%m%d")
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class WeekPattern(BaseModel):
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monday: bool
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tuesday: bool
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wednesday: bool
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thursday: bool
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friday: bool
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saturday: bool
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sunday: bool
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class Calendar(BaseModel):
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active_periods: List[Period]
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week_pattern: WeekPattern
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class Journey(BaseModel):
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duration: int
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nb_transfers: int
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departure_date_time: datetime.datetime
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requested_date_time: datetime.datetime
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arrival_date_time: datetime.datetime
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sections: List[Section]
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links: List[Link]
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type: str # todo enum
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fare: Fare
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tags: List[str]
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status: JourneyStatus
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from_place: Place = None
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to: Place = None
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durations: Durations
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distances: Durations
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co2_emission: CO2Emission
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calendars: List[Calendar]
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@validator(
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"departure_date_time",
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"requested_date_time",
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"arrival_date_time",
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pre=True, allow_reuse=True)
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def convert_datetime(cls, v):
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return datetime.datetime.strptime(v, "%Y%m%dT%H%M%S")
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72
sncf/sncf.py
72
sncf/sncf.py
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import datetime
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import requests
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import httpx
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from .objects import *
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class SNCFJourney(dict):
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def __repr__(self):
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sections = []
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for section in self["sections"]:
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nice_dep_date = SNCF.api_date_to_datetime(section['departure_date_time']).strftime("%H:%M")
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nice_arr_date = SNCF.api_date_to_datetime(section['arrival_date_time']).strftime("%H:%M")
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sections.append(f"{nice_dep_date} {section['from']['name']} - {section['to']['name']} {nice_arr_date}")
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return "\n".join(sections)
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class SNCFException(Exception):
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pass
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class SNCF:
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@ -23,6 +17,8 @@ class SNCF:
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self.max_transfers: int = 0
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self.max_duration_secs: int = 1800
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self.prefered_date_format = "%H:%M"
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self.token_validated: bool = False
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self.physical_mode: Optional[PhysicalMode] = None
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def set_source_stop_point(self, stop_point: str):
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self.source_stop_point = stop_point
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@ -33,19 +29,27 @@ class SNCF:
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def set_allowed_lines(self, allowed_lines: list[str]):
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self.allowed_lines = allowed_lines
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def get_next_journeys(self, count: int = 1):
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valid_journeys = []
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api_response = self.api_request(f"/journeys?from={self.source_stop_point}&to={self.dest_stop_point}&datetime={self.date_now()}&count={count}")
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async def get_next_journeys(self, max_count: int = 1):
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if not self.physical_mode:
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raise SNCFException("Use set_physical_mode before using this function")
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valid_journeys: List[Journey] = []
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api_response = await self.api_request(f"/journeys?from={self.source_stop_point}:{self.physical_mode}&to={self.dest_stop_point}:{self.physical_mode}&datetime={self.date_now()}&count={max_count}&disable_geojson=true")
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journeys = api_response["journeys"]
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for journey in journeys:
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if journey["nb_transfers"] <= self.max_transfers and journey["duration"] <= self.max_duration_secs:
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valid_journeys.append(SNCFJourney(journey))
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if (self.max_transfers == -1 or journey["nb_transfers"] <= self.max_transfers) and (self.max_duration_secs == -1 or journey["duration"] <= self.max_duration_secs):
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valid_journeys.append(Journey(**journey))
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return valid_journeys
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def api_request(self, url):
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req = requests.get(SNCF.BASE_URL + url, headers={"Authorization": self.token})
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async def api_request(self, url: str, **kwargs):
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async with httpx.AsyncClient() as client:
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if not kwargs.get("no_check", False) and not self.token_validated:
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if not await self.test_api_key():
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raise Exception("Token is invalid")
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self.token_validated = True
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req = await client.get(SNCF.BASE_URL + url, headers={"Authorization": self.token})
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req.raise_for_status()
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return req.json()
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json = req.json()
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return json
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@staticmethod
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def date_now() -> str:
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@ -55,19 +59,29 @@ class SNCF:
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def api_date_to_datetime(api_date: str) -> datetime:
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return datetime.datetime.strptime(api_date, "%Y%m%dT%H%M%S")
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def test_api_key(self) -> bool:
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async def test_api_key(self) -> bool:
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try:
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self.api_request("")
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await self.api_request("", no_check=True)
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return True
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except requests.HTTPError:
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except httpx.RequestError:
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return False
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def get_cheapest_path(self) -> List[Journey]:
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pass
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if __name__ == '__main__':
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sncf = SNCF("5722269b-2e58-49ee-986b-21741438d5ff")
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sncf.set_source_stop_point("stop_point:SNCF:87214056:Train")
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sncf.set_dest_stop_point("stop_point:SNCF:87212027:Train")
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next_journeys = sncf.get_next_journeys(count=5)
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for next_journey in next_journeys:
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print(next_journey)
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#print(json.dumps(next_schedules, indent=4))
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def set_physical_mode(self, physical_mode: PhysicalModes):
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self.physical_mode = physical_mode
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async def get_station(self, name: str) -> List[StopArea]:
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api_response = await self.api_request(f"/places?q={name}&disable_geojson=true&type=stop_area&depth=2")
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places = [Place(**item) for item in api_response["places"]]
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stops = []
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for place in places:
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if place.stop_area:
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if self.physical_mode:
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for physical_mode in place.stop_area.physical_modes:
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if self.physical_mode == physical_mode.value:
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stops.append(place.stop_area)
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else:
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stops.append(place.stop_area)
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return stops
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Reference in New Issue
Block a user