Satnogs_API.py

from datetime import datetime , timedelta
import requests
import json

class Pass:
    id = 0
    start = None
    end = None
    ground_station = None
    satellite = None
    transmitter = None
   
    def __repr__(self):
        return "\n<ID>: {}\n<Start>: {}\n<End>: {}\n<Ground Station>: {}\n<Satellite> {}\n<Transmitter>: {}".format(self.id,self.start.strftime('%Y-%m-%dT%H:%M:%S%z'),self.end.strftime('%Y-%m-%dT%H:%M:%S%z'),self.ground_station,json.dumps(self.satellite,indent = 1),json.dumps(self.transmitter,indent=1))
    


def getActive():
    start = (datetime.utcnow() - timedelta(0,0,0,0,20)).strftime('%Y-%m-%dT%H:%M:%S%z')
    end = (datetime.utcnow() + timedelta(0,0,0,0,30)).strftime('%Y-%m-%dT%H:%M:%S%z')
    
    passesR = requests.get("https://network.satnogs.org/api/observations/?end="+end+"&format=json&start="+start)
    passes = passesR.json()
    if passesR.links.has_key("next"):
        while passesR.links.has_key("next"):
            passesR = requests.get(passesR.links["next"]["url"])
            passes += passesR.json()
    ground_stations = {}
    for x in passes:
        if datetime.strptime(x["start"],'%Y-%m-%dT%H:%M:%Sz') > datetime.utcnow() or datetime.strptime(x["end"],'%Y-%m-%dT%H:%M:%Sz') < datetime.utcnow():
            passes.remove(x)
        else:
            if ground_stations.has_key(x["ground_station"]):
                ground_stations[x["ground_station"]].append(x)
            else:
                ground_stations[x["ground_station"]] = []
                ground_stations[x["ground_station"]].append(x)
    passes = []
    for x in ground_stations:
        start = datetime.utcnow()
        current = {"start":datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S%z')+"z"}
        for y in ground_stations[x]:
            if datetime.strptime(y["start"],'%Y-%m-%dT%H:%M:%Sz') < datetime.strptime(current["start"],'%Y-%m-%dT%H:%M:%Sz'):
                current = y
        passes.append(current)
    Passes =[]
    for x in passes:
        temp = Pass()
        temp.id = x["id"]
        temp.start = datetime.strptime(x["start"],'%Y-%m-%dT%H:%M:%Sz')
        temp.end = datetime.strptime(x["end"],'%Y-%m-%dT%H:%M:%Sz')
        temp.ground_station = x["ground_station"]
        temp.satellite = requests.get("https://db.satnogs.org/api/satellites/"+str(x["norad_cat_id"]))  .json()
        temp.transmitter = requests.get("https://db.satnogs.org/api/transmitters/"+x["transmitter"]).json()
        Passes.append(temp)
        
    
    
    return Passes
    
        
def GetGroundStations():
    stationsR = requests.get("https://network.satnogs.org/api/stations/")
    stations = stationsR.json() 
    while stationsR.links.has_key("next"):
        stationsR = requests.get(stationsR.links["next"]["url"])
        stations += stationsR.json()
   
    for x in stations:
        if x["last_seen"] == None:
            stations.remove(x)
            continue
            
        if datetime.strptime(x["last_seen"],'%Y-%m-%dT%H:%M:%Sz') < (datetime.utcnow()- timedelta(10,0,0,0)):
                stations.remove(x)
    for x in stations:
        if x["last_seen"] == None:
            stations.remove(x)
            continue
            
        if datetime.strptime(x["last_seen"],'%Y-%m-%dT%H:%M:%Sz') < (datetime.utcnow()- timedelta(10,0,0,0)):
                stations.remove(x)
                
   
    return stations