def check_flights(self, origin_city_code, destination_city_code, from_time,
to_time):
headers = {"apikey": TEQUILA_API_KEY}
query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP"
}
response = requests.get(
url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=headers,
params=query,
)
try:
data = response.json()["data"][0]
except IndexError:
query["max_stopovers"] = 1
response = requests.get(
url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=headers,
params=query,
)
try:
data = response.json()["data"][0]
except IndexError:
return None
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split(
"T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
return flight_data
def search_flights(self, destination):
now = datetime.now()
today = now.strftime("%d/%m/%Y")
six_months_from_today = now + relativedelta(months=6)
end_date = six_months_from_today.strftime("%d/%m/%Y")
url = f"{self.endpoint}search"
headers = {"apikey": self.key}
params = {
"fly_from": "SFO",
"fly_to": destination,
"date_from": today,
"date_to": end_date,
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP"
}
response = requests.get(url="https://tequila-api.kiwi.com/v2/search?",
headers=headers,
params=params)
try:
data = response.json()["data"][0]
except IndexError:
##########################
params["max_stopovers"] = 1
response = requests.get(
url="https://tequila-api.kiwi.com/v2/search?",
headers=headers,
params=params,
)
data = response.json()["data"][0]
pprint(data)
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
###########################
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
return flight_data
def search_flights(self, destination_city_code):
tmr_date = dt.datetime.today() + dt.timedelta(days=1)
max_date = dt.datetime.today() + dt.timedelta(days=180)
headers = {'apikey': self.tequila_api}
parameters = {
'fly_from': ORIGIN_CITY_IATA,
'fly_to': destination_city_code,
'date_from': tmr_date.strftime(date_format),
'date_to': max_date.strftime(date_format),
'max_stopovers': 0,
'curr': 'GBP',
'nights_in_dst_from': 7,
'nights_in_dst_to': 28,
'flight_type': 'round',
"one-for-city": 1
}
response = requests.get(url=f'{TEQUILA_ENDPOINT}/v2/search',
headers=headers,
params=parameters)
response.raise_for_status()
try:
data = response.json()['data'][0]
except IndexError:
parameters['max_stopovers'] = 1
response = requests.get(url=f'{TEQUILA_ENDPOINT}/v2/search',
headers=headers,
params=parameters)
response.raise_for_status()
print(response.json())
if len(response.json()['data']) > 0:
data = response.json()['data'][0]
flight_data = FlightData(price=data['price'],
city_from=data['cityFrom'],
fly_from=data['flyFrom'],
city_to=data['cityTo'],
fly_to=data['flyTo'],
leave_date=data["route"][0]
["local_departure"].split("T")[0],
return_date=data["route"][1]
["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
else:
return None
else:
flight_data = FlightData(
price=data['price'],
city_from=data['cityFrom'],
fly_from=data['flyFrom'],
city_to=data['cityTo'],
fly_to=data['flyTo'],
leave_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0],
)
return flight_data
def search_flight(self, destination_code):
tomorrow = datetime.now() + timedelta(1)
six_months = datetime.now() + timedelta(180)
formated_tomorrow = tomorrow.strftime("%d/%m/%Y")
formated_six_months = six_months.strftime("%d/%m/%Y")
headers = {"apikey": KIWI_FLIGHT_API_KEY}
query = {
"fly_from": "LON",
"fly_to": destination_code,
"date_from": formated_tomorrow,
"date_to": formated_six_months,
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP"
}
response = requests.get(url=f"{KIWI_BASE_URL}/v2/search",
params=query,
headers=headers)
response.raise_for_status()
try:
data = response.json()["data"][0]
#print(f"{destination_code}: £{data['price']}")
except IndexError:
query["max_stopovers"] = 1
response = requests.get(url=f"{KIWI_BASE_URL}/v2/search",
params=query,
headers=headers)
response.raise_for_status()
try:
data = response.json()["data"][0]
except IndexError:
flight_data = None
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split(
"T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
return flight_data
def __init__(self, own_city):
self.now = datetime.datetime.now()
tmr = self.now + datetime.timedelta(days=1)
six_month = self.now + datetime.timedelta(days=180)
self.date_tmr = tmr.strftime("%d/%m/%Y")
self.date_six_month = six_month.strftime("%d/%m/%Y")
self.flight_data = FlightData()
self.own_city = own_city
def flight_search(self, city_code):
parameters = {
"fly_from": "RDU",
"fly_to": city_code,
"date_from": fly_from_date,
"date_to": fly_to_date,
"nights_in_dst_from": length_stay_min,
"nights_in_dst_to": length_stay_max,
"curr": "USD",
"adults": 4,
"one_for_city": 1,
"max_stopovers": 0,
}
print(f"Now searching for flights to {city_code}")
f_search = requests.get(url=f"{self.api_url}v2/search", params=parameters, headers=self.api_headers)
f_search.raise_for_status()
print(f_search.json())
try:
f_dict = f_search.json()['data'][0]
except IndexError:
parameters['max_stopovers'] = 2
f_search = requests.get(url=f"{self.api_url}v2/search", params=parameters, headers=self.api_headers)
f_search.raise_for_status()
print(f" Rerunning with up to 2 max stopovers\n {f_search.json()}")
try:
f_dict = f_search.json()['data'][0]
except IndexError:
print("No flights are available")
return None
f_fare = f_dict['price']
f_dep_city = "Raleigh"
f_dep_code = "RDU"
f_arr_city = f_dict['cityTo']
f_arr_code = city_code
f_dep_date = f_dict['route'][0]['local_departure'].split('T')[0]
f_ret_date = f_dict['route'][1]['local_departure'].split('T')[0]
f_stop_over = 1
f_via_city = f_dict['route'][0]['cityTo']
flight = FlightData(f_fare, f_arr_city, f_arr_code, f_dep_date, f_ret_date, f_stop_over, f_via_city)
return flight
else:
f_fare = f_dict['price']
f_dep_city = "Raleigh"
f_dep_code = "RDU"
f_arr_city = f_dict['cityTo']
f_arr_code = city_code
f_dep_date = f_dict['route'][0]['local_departure'].split('T')[0]
f_ret_date = f_dict['route'][1]['local_departure'].split('T')[0]
flight = FlightData(f_fare, f_arr_city, f_arr_code, f_dep_date, f_ret_date)
print(f"Fare:{f_fare}")
print(f"Departure City:{f_dep_city}")
print(f"Departure Code:{f_dep_code}")
print(f"Arrival City:{f_arr_city}")
print(f"Arrival Code:{f_arr_code}")
print(f"Departure Date:{f_dep_date}")
print(f"Return Date:{f_ret_date}")
return flight
def check_flights(self, origin_city_code, destination_city_code, from_time,
to_time):
"""Method to query API for flight information."""
print(f"Check flights triggered for {destination_city_code}")
query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP"
}
response = requests.get(
url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=HEADERS,
params=query,
)
try:
data = response.json()["data"][0]
print(f"{destination_city_code} {data['price']}")
except IndexError:
query["max_stopovers"] = 1
response = requests.get(
url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=HEADERS,
params=query,
)
data = response.json()["data"][0]
pprint(data)
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
return flight_data
def check_flights(self, fly_from, fly_to, date_from, date_to):
check_data = {
'fly_from': fly_from,
'fly_to': fly_to,
'date_from': date_from,
'date_to': date_to,
'nights_in_dst_from': 7,
'nights_in_dst_to': 28,
'flight_type': 'round',
'one_for_city': 1,
'curr': 'USD',
'max_stopovers': 0
}
tequila_flights_response = requests.get(self.tequila_flights_endpoint,
headers=self.tequila_header,
params=check_data)
# tequila_flights_response.raise_for_status() # Creates extra errors as there are many missing flights w/ covid
try:
data = tequila_flights_response.json()["data"][0]
except IndexError:
try:
check_data[
"max_stopovers"] = 1 # There just aren't many flights now due to covid, change to 10 to get results
tequila_flights_response = requests.get(
url=self.tequila_flights_endpoint,
headers=self.tequila_header,
params=check_data)
data = tequila_flights_response.json()["data"][0]
print(data)
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split(
"T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
except IndexError:
return None
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
return flight_data
def search_for_flight(self, origin_city_code, destination_city_code,
from_date, to_date):
"""The default flight is to get a direct flight, however if none is found the Tequila API will provide an
empty request. The exception will request changing the stops to 2 in order to obtain a request with information.
"""
headers = {"apikey": TEQUILA_API_KEY}
query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_date.strftime("%d/%m/%Y"),
"date_to": to_date.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 0,
"max_stopovers": 0,
"cur": "USD",
}
response = requests.get(url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=headers,
params=query)
try:
data = response.json()['data'][0]
except IndexError:
query["max_stopovers"] = 2
result = requests.get(url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=headers,
params=query)
data = result.json()['data'][0]
flight_data = FlightData(
price=data['price'],
origin_city=data['route'][0]['cityFrom'],
origin_airport=data['route'][0]['flyFrom'],
destination_city=data['route'][1]['cityTo'],
destination_airport=data['route'][1]['flyTo'],
out_date=data['route'][0]['local_departure'].split('T')[0],
return_date=data['route'][1]['local_departure'].split('T')[0],
stop_overs=1,
via_city=data['route'][0]['cityTo'],
flight_link=data['deep_link'])
return flight_data
else:
flight_data = FlightData(
price=data['price'],
origin_city=data['route'][0]['cityFrom'],
origin_airport=data['route'][0]['flyFrom'],
destination_city=data['route'][0]['cityTo'],
destination_airport=data['route'][0]['flyTo'],
out_date=data['route'][0]['local_departure'].split('T')[0],
return_date=data['route'][1]['local_departure'].split('T')[0],
flight_link=data['deep_link'])
return flight_data
def find_flight(self, origin_city_code, destination_city_code, from_time, to_time):
body = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "USD"
}
header = {'apikey': API}
response = requests.get(url=SEARCH_URL, headers=header, params=body)
try:
data = response.json()["data"][0]
except IndexError:
#print(f"No flights found for {destination_city_code}.")
body['max_stopovers'] = 1
response = requests.get(
url=SEARCH_URL,
headers=header,
params=body
)
if len(response.json()["data"]) == 0:
print("No flights found.")
return None
data = response.json()["data"][0]
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"]
)
return flight_data
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0]
)
print(f"{flight_data.destination_city}: ${flight_data.price}")
return flight_data
def search_flights(self, code):
tomorrow = datetime.datetime.today() + datetime.timedelta(days=1)
six_month = datetime.datetime.today() + datetime.timedelta(days=1) + datetime.timedelta(days=180)
tomorrow_formatted = str(tomorrow.strftime("%d/%m/%Y")).split(" ")[0]
six_month_formatted = str(six_month.strftime("%d/%m/%Y")).split(" ")[0]
query = {
"fly_from": 'LON',
"fly_to": code,
"date_from": tomorrow_formatted,
"date_to": six_month_formatted,
"nights_in_dst_from": 7,
"nights_in_dst_to": 30,
"flight_type": "round",
"selected_cabins": "M",
"max_stopovers": 0,
"curr": "GBP",
}
response = requests.get("https://tequila-api.kiwi.com/v2/search", params=query, headers=self.headers)
try:
data = response.json()['data'][0]
except IndexError:
print(f'No flights available to {code}')
query["max_stopovers"] = 1
response = requests.get("https://tequila-api.kiwi.com/v2/search", params=query, headers=self.headers)
data = response.json()['data'][0]
flight_data = FlightData(
price=data['price'],
dept_city_name=data["route"][0]['cityFrom'],
dept_airport_iata_code=data["route"][0]['flyFrom'],
arr_city_name=data["route"][2]['cityTo'],
arr_airport_iata_code=data["route"][2]['flyTo'],
outbound_date=data["route"][0]["local_departure"].split("T")[0],
inbound_date=data["route"][2]["local_departure"].split("T")[0],
via_city=data["route"][1]['cityFrom'],
stop_overs=1
)
return flight_data
else:
flight_data = FlightData(
price=data['price'],
dept_city_name=data['cityFrom'],
dept_airport_iata_code=data['flyFrom'],
arr_city_name=data['cityTo'],
arr_airport_iata_code=data['flyTo'],
outbound_date=data["route"][0]["local_departure"].split("T")[0],
inbound_date=data["route"][1]["local_departure"].split("T")[0]
)
print(f'City: {flight_data.arr_city_name}: {flight_data.price}')
return flight_data
def search_flights(self, origin_city_code, destination_city_code, from_time, to_time):
headers = {
'apikey': API_KEY
}
parameters = {
'fly_from': origin_city_code,
'fly_to': destination_city_code,
'date_from': from_time.strftime('%d/%m/%Y'),
'date_to': to_time.strftime('%d/%m/%Y'),
'nights_in_dst_from': 7,
'nights_in_dst_to': 28,
'one_for_city': 1,
'max_stopovers': 0,
'curr': 'GBP'
}
response = requests.get(url=f'{FLIGHT_API_ENDPOINT}v2/search', params=parameters, headers=headers)
try:
data = response.json()['data'][0]
except IndexError:
parameters['max_stopovers'] = 1
response = requests.get(
url=f"{FLIGHT_API_ENDPOINT}/v2/search",
headers=headers,
params=parameters
)
data = response.json()['data'][0]
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][1]["cityTo"],
destination_airport=data["route"][1]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][2]["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"]
)
return flight_data
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0]
)
return flight_data
def checkFlights(self, base_city_code, location_code, from_time, to_time):
header = {"apikey": location_api}
query = {
"fly_from": base_city_code,
"fly_to": location_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "INR"
}
response = requests.get(url=f"{location_endpoint}/v2/search",
params=query,
headers=header)
try:
data = response.json()["data"]
except IndexError:
query["max_stopovers"] = 1
data = data[0]
flight_data = FlightData(
price=data['price'],
base_city=data["route"][0]["cityFrom"],
base_airport=data["route"][0]["flyFrom"],
location_city=data["route"][0]["cityTo"],
location_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0],
stop_overs=1,
via_city=data["route"][0]["cityTo"])
return flight_data
else:
data = data[0]
flight_data = FlightData(
price=data['price'],
base_city=data["route"][0]["cityFrom"],
base_airport=data["route"][0]["flyFrom"],
location_city=data["route"][0]["cityTo"],
location_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0],
stop_overs=0,
via_city='')
return flight_data
def check_flights(self, origin_city_code, destination_city_code, from_time, to_time):
headers = {
"apikey": self.TEQUILA_SEARCH_API_KEY
}
params = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "USD"
}
response = requests.get(url="https://tequila-api.kiwi.com/v2/search", headers=headers, params=params)
data = response.json()["data"][0]
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0]
)
print(f"{flight_data.destination_city}: £{flight_data.price}")
return flight_data
def check_flights(self, origin_city_code, destination_city_code, from_time, to_time):
header = {"apikey": TEQUILA_API_KEY}
query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "CAD"
}
end_point = f"TEQUILA_ENDPOINT/v2/search"
response = requests.get(end_point=end_point,
params=query, headers=header)
data = response.json()["data"][0]
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0]
)
print(f"{flight_data.destination_city}: £{flight_data.price}")
return flight_data
def __init__(self):
# # Check for correct input
# if isinstance(vehicle, Vehicle) is False:
# raise TypeError('Expected object of type Vehicle, got '+type(vehicle).__name__)
# Calling super class constructor
StoppableThread.__init__(self)
# These are the distances the drone passed in a certain direction.
# They are used to know if I need to try to pass the obstacle from another direction.
self.__right_distance = 0.0
self.__left_distance = 0.0
self.__up_distance = 0.0
# Always keep track of my last move in order to know better what to do in certain situations.
self.__last_move = None
# In case the drone need to pass an obstacle from above - keeping 2 flags. One for indicating its in the
# process of climbing, and another one to indicate it finished climbing and should now keep its altitude
# until passing the obstacle.
self.__keep_altitude = False
self.__climbing = False
# I want to maintain the drone's altitude for a short period of time before descending back to the
# original constant altitude, so for that I keep tracking of the time since it ascended.
self.__start_time_measure = 0.0
# In case of emergency, keeping a flag to order the drone to land.
self.__safety_protocol = False
# Other classes within the software for giving flight orders, get sensors data and
# calculate distances by geographic positioning system data.
# the __flight_commands & __location objects should get as a parameter the vehicle object
self.__flight_commands = FlightCommands() # FlightCommands(vehicle)
self.__sensors = Sensors()
self.__flight_data = FlightData() # FlightData(vehicle)
# Get the drone's location and height for further calculations.
self.__last_latitude = self.__flight_data.get_current_latitude()
self.__last_longitude = self.__flight_data.get_current_longitude()
self.__last_height = self.__flight_data.get_current_height()
# Counter and flag for being aware of a sequence of illegal sensor inputs in order to be aware of a
# malfunction in the system
self.__illegal_input_counter = 0
self.__last_input_legitimacy = True
self.__num_of_lines = int(self.__get_number_of_line_in_file()) # Delete when moving to a full functioning system.
# Initializing the sensors
if self.__sensors.connect() == -1:
raise ConnectionError('Cannot connect to sensors')
print("Connected Successfuly to Sensors!")
# Flag that indicates if the system is activated in order to give the user the knowledge if it should override
# other flight commands given to the drone. The flag is 'True' only for left/right/up maneuvers and False
# for all other cases including fixing the drone's altitude, since the altitude is fixed for 10 meters and
# any other running software within the drone shouldn't change its height.
self.__is_active = False
def get_flight_details(self, origin, destination):
"""
Gets particular details about cheapest flight found flight.
"""
date_today = datetime.datetime.now().date().strftime("%d/%m/%Y")
after_six_months = (datetime.datetime.now().date() + relativedelta(months=+6)).strftime("%d/%m/%Y")
header = {
"apikey": TEQUILA_API_KEY
}
query = {
"fly_from": f"city:{origin}",
"fly_to": f"city:{destination}",
"date_from": date_today,
"date_to": after_six_months,
"one_for_city": 1,
"curr": "KES",
}
response = requests.get(url=f"{TEQUILA_ENDPOINT}/search", params=query, headers=header)
response.raise_for_status
# Pick first index in case of flights with similar prices
try:
data = response.json()['data'][0]
except IndexError:
print(f"There are currently no flights to {destination}")
return None
# Come back and check on what is happening to arrival and deprt. dates
flight_details = FlightData(
price = data['price'],
source_city = data['cityCodeFrom'],
source_airport = data['flyFrom'],
dest_city = data['cityCodeTo'],
dest_airport = data['flyTo']
)
return flight_details
def check_flights(self, from_city, to_city, from_date, to_date):
params = {
'fly_from': from_city,
'fly_to': to_city,
'date_from': from_date.strftime("%d/%m/%Y"),
'date_to': to_date.strftime("%d/%m/%Y"),
'nights_in_dst_from': 7,
'nights_in_dst_to': 28,
"max_stopovers": 0
}
response = requests.get(url=f"{TEQUILA_ENDPOINT}/v2/search",
headers=TEQUILA_HEADERS,
params=params).json()
try:
data = response['data'][0]
except IndexError:
print(f'No flights for {from_city} -- {to_city}')
return None
else:
flight_data = FlightData(
price=data['price'],
origin_city=data['route'][0]['cityFrom'],
destination_city=data['route'][0]['cityTo'],
origin_airport=data['route'][0]['flyFrom'],
destination_airport=data['route'][0]['flyTo'],
flight_date=data['route'][0]['local_departure'].split("T")[0],
return_date=data['route'][1]['local_departure'].split("T")[0],
)
return flight_data
def search_price(self, origin_city_code, destination_city_code, from_date,
to_date):
SEARCH_ENDPOINT = f'{ENDPOINT}/search'
param = {
'fly_from': origin_city_code,
'fly_to': destination_city_code,
'date_from': from_date,
'date_to': to_date,
'nights_in_dst_from': 7,
'nights_in_dst_to': 28,
'flight_type': 'round',
'one_for_city': 1,
'max_stopovers': 0,
'curr': 'GBP'
}
response = requests.get(url=SEARCH_ENDPOINT,
headers=headers,
params=param)
data = response.json()['data'][0]
flight_data = FlightData(
price=data['price'],
origin_city=data['route'][0]['cityFrom'],
origin_airport=data['route'][0]['flyFrom'],
destination_city=data['route'][0]['cityTo'],
destination_airport=data['route'][0]['flyTo'],
out_date=data['route'][0]['local_departure'].split('T')[0],
return_date=data['route'][1]['local_departure'].split('T')[0])
print(f'{flight_data.destination_city}: £{flight_data.price}')
return flight_data
def search_for_flights(self, departure_code, destination_code, from_date,
return_date):
header = {"apikey": kiwi_apikey}
param = {
"fly_from": departure_code,
"fly_to": destination_code,
"date_from": from_date,
"date_to": return_date,
"nights_in_dst_from": 7,
"nights_in_dst_to": 21,
"flight_type": "round",
"max_stopovers": 0,
"curr": "USD",
}
response = requests.get(url=f"{kiwi_get_url}/v2/search",
headers=header,
params=param)
try:
response_data = response.json()["data"][0]
except IndexError:
return None
flight_data = FlightData(
price=response_data["price"],
origin_city=response_data["route"][0]["cityFrom"],
origin_airport=response_data["route"][0]["flyFrom"],
destination_city=response_data["route"][0]["cityTo"],
destination_airport=response_data["route"][0]["flyTo"],
day_you_leave=response_data["route"][0]["local_departure"].split(
"T")[0],
return_date=response_data["route"][1]["local_departure"].split(
"T")[0],
airline=response_data["airlines"])
return flight_data
def search_flight(self, origin_city_code, destination_city_code, from_time, to_time):
param = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "INR"
}
response_from_api = requests.get(url=f"{END_POINT}/v2/search", headers=FLIGHT_SEARCH_API,
params=param)
# IF IN CASE THERE IS NO FLIGHT TO OUR DESTINATION
try:
data_from_api = response_from_api.json()["data"][0]
except IndexError:
print(f"No flights found for {destination_city_code}.")
return None
# THIS FUNCTION IS PASSING ALL DATA TO flight_data class to store data
flight_data = FlightData(
price=data_from_api["price"],
origin_city=data_from_api["route"][0]["cityFrom"],
origin_airport=data_from_api["route"][0]["flyFrom"],
destination_city=data_from_api["route"][0]["cityTo"],
destination_airport=data_from_api["route"][0]["flyTo"],
out_date=data_from_api["route"][0]["local_departure"].split("T")[0],
return_date=data_from_api["route"][1]["local_departure"].split("T")[0]
)
print(f"{flight_data.destination_city}: ₹{flight_data.price}")
return flight_data
def check_flights(self, origin_city_code=None, destination_city_code=None, from_time=None, to_time=None):
check_query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_time.strftime("%d/%m/%Y"),
"date_to": to_time.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP"
}
response = requests.get(url=f"{TEQUILA_ENDPOINT}/v2/search", headers=self.headers, params=check_query)
response.raise_for_status()
try:
result = response.json()["data"][0]
except IndexError:
print(f"There are no flights found for {check_query['fly_to']}.")
return None
flight_data = FlightData(
price=result["price"],
city=result["route"][0]["cityFrom"],
airport=result["route"][0]["flyFrom"],
destination_city=result["route"][0]["cityTo"],
destination_airport=result["route"][0]["flyTo"],
date=result["route"][0]["local_departure"].split("T")[0],
return_date=result["route"][1]["local_departure"].split("T")[0]
)
print(f"{flight_data.destination_city}: £{flight_data.price}")
return flight_data
def get_flight_prices(self, origin_city_code, destination_city_code,
from_date, to_date):
headers = {"apikey": TEQUILA_API}
query = {
"fly_from": origin_city_code,
"fly_to": destination_city_code,
"date_from": from_date,
"date_to": to_date,
"flight_type": "round",
"max_stopovers": 0,
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"curr": "GBP",
}
response = requests.get(url=f"{TEQUILA_ENDPOINT}/v2/search",
params=query,
headers=headers)
data = response.json()["data"][0]
print(data)
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0])
print(f"{flight_data.destination_city}: £{flight_data.price}")
return flight_data
class FlightSearch:
# This class is responsible for talking to the Flight Search API.
def __init__(self, own_city):
self.now = datetime.datetime.now()
tmr = self.now + datetime.timedelta(days=1)
six_month = self.now + datetime.timedelta(days=180)
self.date_tmr = tmr.strftime("%d/%m/%Y")
self.date_six_month = six_month.strftime("%d/%m/%Y")
self.flight_data = FlightData()
self.own_city = own_city
def search_city(self, city):
parameter = {
"term": city,
"location_types": "city",
}
response = requests.get(IATA_code_search_endpoint, parameter, headers=headers)
response.raise_for_status()
data = self.flight_data.check_city(response.json())
return data
def search_flight(self, city, lowest_price, stopover=0):
parameter = {
"curr": "GBP",
"fly_from": self.own_city,
"fly_to": city,
"date_from": self.date_tmr,
"date_to": self.date_six_month,
"price_to": lowest_price,
"sort": "price",
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"max_stopovers": stopover,
}
response = requests.get(flight_search_endpoint, parameter, headers=headers)
response.raise_for_status()
data = response.json()
if data["data"]:
return self.flight_data.check_price(data, parameter["max_stopovers"])
else:
print(f"{parameter['max_stopovers']} no flight found")
# print(data)
if parameter["max_stopovers"] < 2:
self.search_flight(city, lowest_price, parameter["max_stopovers"]+1)
def get_prices(self, city):
global data
header = {
"apikey": TEQUILA_API_KEY,
}
query = {
"fly_from": departure_airport_code,
"date_from": formatted_day,
"date_to": formatted_period,
"fly_to": city,
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "GBP",
}
response = requests.get(url=end_point, params=query, headers=header)
try:
data = response.json()["data"][0]
except:
print("There is no flight in specified days")
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0],
noinfo=False)
return flight_data
else:
flight_data = FlightData(
price=data["price"],
origin_city=data["route"][0]["cityFrom"],
origin_airport=data["route"][0]["flyFrom"],
destination_city=data["route"][0]["cityTo"],
destination_airport=data["route"][0]["flyTo"],
out_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][1]["local_departure"].split("T")[0],
noinfo=True)
print(f"{flight_data.destination_city}: £{flight_data.price}")
return flight_data
def get_flights(
self,
departure_iata,
destination_iata,
departure_date,
return_date,
currency="GBP",
min_nights=7,
max_nights=28,
):
"""find flight information using Tequila Kiwi API and return a
FlightData object
Args:
departure_iata (str): IATA Code for origin city
destination_iata (str): IATA Code for destination city
departure_date (str): dd/mm/YYYY for earliest departure
return_date (str): dd/mm/YYYY for latest return
currency (str, optional): currency to return. Defaults to "GBP".
min_nights (int, optional): minimum nights. Defaults to 7.
max_nights (int, optional): maximum nights. Defaults to 28.
Returns:
FlightData: FlightData for lowst cost flight
"""
url = self.url_base + "/v2/search"
params = {
"fly_from": departure_iata,
"fly_to": destination_iata,
"date_from": departure_date,
"date_to": return_date,
"nights_in_dst_from": min_nights,
"nights_in_dst_to": max_nights,
"curr": currency,
"flight_type": "round",
"one_for_city": 1,
}
response = requests.get(url, params=params, headers=self.headers)
data = response.json()
if len(data["data"]) > 0:
data = data["data"][0]
else:
return None
flight_data = FlightData(
departure_city=data["cityFrom"],
departure_airport=data["flyFrom"],
destination_city=data["cityTo"],
destination_airport=data["flyTo"],
departure_date=data["route"][0]["local_departure"].split("T")[0],
return_date=data["route"][-1]["local_arrival"].split("T")[0],
price=data["price"],
)
return flight_data
def get_flights(self, flight_code):
tomorrow = dt.datetime.today() + dt.timedelta(days=1)
six_months_later = tomorrow + dt.timedelta(days=30 * 12)
# print(flight_code)
#
# print(tomorrow.strftime("%d/%m/%Y"))
# print(six_months_later.strftime("%d/%m/%Y"))
self.parameters = {
"fly_from": "DEL",
"fly_to": flight_code,
"date_from": str(tomorrow.strftime("%d/%m/%Y")),
"date_to": str(six_months_later.strftime("%d/%m/%Y")),
"flight-type": "round",
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"curr": "INR",
"one_for_city": 1,
"max_stopovers": 0,
}
self.flight_response = requests.get(url=FLIGHT_ENDPOINT,
params=self.parameters,
headers=header)
self.flight_response.raise_for_status()
self.flight_response_data = self.flight_response.json()["data"]
# print(self.flight_response_data)
flight_data = FlightData()
try:
available_flight = flight_data.structure_flight_data(
self.flight_response_data[0])
except IndexError:
print(f"No Flight Found for {flight_code}")
return None
# print(available_flight)
# print(f"{available_flight['cityTo']} - ${available_flight['price']:,}")
return available_flight
def fetch_flight_data_from_google_sheet(self) -> list[FlightData]:
"""This method will fetch the flight data of an user from an Google Sheet."""
response = requests.get(
url=f"{SHEETY_BASE_URL}{self.sheety_sheet_endpoint}")
response.raise_for_status()
data = response.json()
flight_data = [
FlightData(record_id=destination["id"],
city=destination["city"],
iata_code=destination["iataCode"],
lowest_price=destination["lowestPrice"])
for destination in data["prices"]
]
return flight_data
def search_flights(self):
date_now = dt.datetime.now()
search_url = f"{TEQUILA_URL}/v2/search"
search_headers = {
"apikey": TEQUILA_API_KEY,
"accept": "application/json"
}
search_params = {
"fly_from":
"LON",
"fly_to":
self.city_obj['iataCode'],
"date_from":
date_now.strftime("%d/%m/%Y"),
"date_to":
(date_now + dt.timedelta(days=(6 * 30))).strftime("%d/%m/%Y"),
"nights_in_dst_from":
7,
"nights_in_dst_to":
28,
"curr":
"GBP",
"flight_type":
"round",
"one_for_city":
1
}
search_res = requests.get(url=search_url,
headers=search_headers,
params=search_params)
search_data = search_res.json()
if len(search_data['data']) > 0:
flight_data_result = FlightData(search_data)
else:
flight_data_result = None
if flight_data_result:
if flight_data_result.price < self.city_obj['lowestPrice']:
text_message = NotificationManager(
flight_data_result.flight_dict)
text_message.send_text()
else:
print("No Deal")
def check_flights(fly_to, max_stopovers) -> [FlightData]:
tomorrow = datetime.datetime.now() + datetime.timedelta(days=1)
within_six_months = tomorrow + datetime.timedelta(days=180)
json = {
"apikey": TEQUILA_API_KEY,
"fly_from": "LON",
"fly_to": fly_to,
"date_from": tomorrow.strftime("%d/%m/%Y"),
"date_to": within_six_months.strftime("%d/%m/%Y"),
"nights_in_dst_from": 7,
"nights_in_dst_to": 28,
"flight_type": "round",
"one_for_city": 1,
"curr": "GBP",
"max_stopovers": max_stopovers
}
tequila = requests.get(
url=f"{TEQUILA_ENDPOINT}/v2/search?{urlencode(json)}")
tequila.raise_for_status()
flights = []
for flight_data in tequila.json()["data"]:
flight = FlightData(
arrival_airport_city=flight_data["cityTo"],
arrival_airport_code=flight_data["flyTo"],
arrival_city_code=flight_data["cityCodeTo"],
departure_airport_city=flight_data["cityFrom"],
departure_airport_code=flight_data["flyFrom"],
inbound_date=flight_data["route"][
(max_stopovers + 1) * 0]["utc_departure"].split("T")[0],
outbound_date=flight_data["route"][
(max_stopovers + 1) * 1]["utc_departure"].split("T")[0],
price=flight_data["price"],
stopovers=max_stopovers,
via_city=flight_data["route"][0]["cityTo"])
flights.append(flight)
return flights
def find_flights(self, src_city_iata, dest_city_iata, tomorrow_date,
to_date, city_name):
flight_search_endpoint = f"{self.kiwi_endpoint}/v2/search"
flight_search_params = {
"fly_from": src_city_iata,
"fly_to": dest_city_iata,
"date_from": tomorrow_date,
"date_to": to_date,
"nights_in_dst_from": 7,
"nights_in_dst_to": 10,
"flight_type": "round",
"one_for_city": 1,
"max_stopovers": 0,
"curr": "USD"
}
response = requests.get(
url=flight_search_endpoint,
headers=self.kiwi_header,
params=flight_search_params,
)
try:
data = response.json()["data"][0]
except IndexError:
return (f"No flights found for {city_name}")
flight_data = FlightData(
price=data['price'],
src_city=data['route'][0]['cityFrom'],
src_airport=data['route'][0]['flyFrom'],
dest_city=data['route'][0]['cityTo'],
dest_airport=data['route'][0]['flyTo'],
out_date=data['route'][0]['local_departure'].split("T")[0],
return_date=data['route'][1]['local_departure'].split("T")[0],
)
#print(f"{flight_data.dest_city} for {flight_data.price}.")
return flight_data
class ObstacleAvoidance(StoppableThread):
# Class constants
LEFT = "left"
RIGHT = "right"
UP = "up"
DEVIATION_HORIZONTAL = 20
DEVIATION_VERTICAL = 500
NO_OBSTACLES_AHEAD = 1
CAUTION_DISTANCE = 200 # Should be 4000, Measured in Centimeters
DANGER_DISTANCE = 125 # Should be 1000, Measured in Centimeters
CAUTION_ALTITUDE = 375 # Should be 3000, Measured in Centimeters.
DANGER_ALTITUDE = 4000 # Should be 4000, Measured in Centimeters.
CONSTANT_HEIGHT = 1000 # Should be 1000, Measured in Centimeters.
MAX_LEFT_RIGHT = 0.875 # Should be 7.0, Maximum distance the drone would go right/left until trying to pass and obstacle from above. Measured in Meters.
LEFT_SENSOR = "leftSensor"
RIGHT_SENSOR = "rightSensor"
FRONT_SENSOR = "frontSensor"
BOTTOM_SENSOR = "bottomSensor"
# In the final software, the __init__ function signature should look like:
# def __init__(self, vehicle):
# vehicle object is an object from external module that has been developed by a different person within
# the company. Since this module use other modules which is not related
# to this project, I put all the relevant code line for proper functioning in comment.
# def __init__(self, vehicle):
def __init__(self):
# # Check for correct input
# if isinstance(vehicle, Vehicle) is False:
# raise TypeError('Expected object of type Vehicle, got '+type(vehicle).__name__)
# Calling super class constructor
StoppableThread.__init__(self)
# These are the distances the drone passed in a certain direction.
# They are used to know if I need to try to pass the obstacle from another direction.
self.__right_distance = 0.0
self.__left_distance = 0.0
self.__up_distance = 0.0
# Always keep track of my last move in order to know better what to do in certain situations.
self.__last_move = None
# In case the drone need to pass an obstacle from above - keeping 2 flags. One for indicating its in the
# process of climbing, and another one to indicate it finished climbing and should now keep its altitude
# until passing the obstacle.
self.__keep_altitude = False
self.__climbing = False
# I want to maintain the drone's altitude for a short period of time before descending back to the
# original constant altitude, so for that I keep tracking of the time since it ascended.
self.__start_time_measure = 0.0
# In case of emergency, keeping a flag to order the drone to land.
self.__safety_protocol = False
# Other classes within the software for giving flight orders, get sensors data and
# calculate distances by geographic positioning system data.
# the __flight_commands & __location objects should get as a parameter the vehicle object
self.__flight_commands = FlightCommands() # FlightCommands(vehicle)
self.__sensors = Sensors()
self.__flight_data = FlightData() # FlightData(vehicle)
# Get the drone's location and height for further calculations.
self.__last_latitude = self.__flight_data.get_current_latitude()
self.__last_longitude = self.__flight_data.get_current_longitude()
self.__last_height = self.__flight_data.get_current_height()
# Counter and flag for being aware of a sequence of illegal sensor inputs in order to be aware of a
# malfunction in the system
self.__illegal_input_counter = 0
self.__last_input_legitimacy = True
self.__num_of_lines = int(self.__get_number_of_line_in_file()) # Delete when moving to a full functioning system.
# Initializing the sensors
if self.__sensors.connect() == -1:
raise ConnectionError('Cannot connect to sensors')
print("Connected Successfuly to Sensors!")
# Flag that indicates if the system is activated in order to give the user the knowledge if it should override
# other flight commands given to the drone. The flag is 'True' only for left/right/up maneuvers and False
# for all other cases including fixing the drone's altitude, since the altitude is fixed for 10 meters and
# any other running software within the drone shouldn't change its height.
self.__is_active = False
def run(self):
while not self.stopped():
simulator.altitude_change() # Delete when moving to a full functioning system.
self.__num_of_lines -= 1 # Delete when moving to a full functioning system.
if self.__num_of_lines == 0: # Delete when moving to a full functioning system.
self.stopit() # Delete when moving to a full functioning system.
continue # Delete when moving to a full functioning system.
print("-----------------------------------------------------------")
if self.__safety_protocol is True:
self.__follow_safety_protocol()
ahead_distance = self.__get_sensor_reading(self.FRONT_SENSOR)
print("Distance Ahead: %d" % ahead_distance)
# In case the path ahead is clear of obstacles, reset counters and fix altitude.
if ahead_distance == self.NO_OBSTACLES_AHEAD or ahead_distance >= self.CAUTION_DISTANCE:
print("Way is Clear")
self.__check_flags()
self.__fix_altitude()
self.__last_move = None
self.__is_active = False
print("Is Active = " + str(self.__is_active))
self.__right_distance = self.__left_distance = self.__up_distance = 0.0
continue
if ahead_distance <= self.DANGER_DISTANCE:
# There's an obstacle in less than 10 meters - DANGER!
# In such case the algorithm would slow down the drone drastically in order to give it more
# time to manouver and avoid a collision.
print("CAUTION: Obstacle in less than 1.25 meters!")
print("Slowing Down to avoid collision")
self.__flight_commands.slow_down(ahead_distance)
else:
print("Obstacle in less than 2 meters")
self.__is_active = True
print("Is Active = " + str(self.__is_active))
# Get a reading from the left side sensor.
left_side_distance = self.__get_sensor_reading(self.LEFT_SENSOR)
# Get a reading from the right side sensor.
right_side_distance = self.__get_sensor_reading(self.RIGHT_SENSOR)
print("Distance Left: %d, Distance Right: %d" % (left_side_distance, right_side_distance))
# If already tried going to go to the left/right 7 meters and there's
# still an obstacle ahead then I want to try from above.
if self.__need_to_go_up() is True:
self.__climbing = True
if self.__flight_data.get_current_height() >= self.DANGER_ALTITUDE:
self.__safety_protocol = True
self.__follow_safety_protocol()
else:
self.__move_in_direction(self.UP)
print("Going up")
continue
# Check if right side is clear.
elif right_side_distance > left_side_distance + self.DEVIATION_HORIZONTAL:
self.__move_in_direction(self.RIGHT)
self.__check_flags()
print("Going right")
# Check if left side is clear.
elif left_side_distance > right_side_distance + self.DEVIATION_HORIZONTAL:
self.__move_in_direction(self.LEFT)
self.__check_flags()
print("Going left")
# If both left and right gives about the same distance.
elif self.__climbing:
if self.__flight_data.get_current_height() >= self.DANGER_ALTITUDE:
self.__safety_protocol = True
self.__follow_safety_protocol()
continue
else:
self.__move_in_direction(self.UP)
print("Going up")
continue
# If both left and right side looks blocked and still want to try to pass the obstacle from one of its sides
else:
if self.__last_move is not None:
self.__move_in_direction(self.__last_move)
print("Going " + self.__last_move)
else:
if left_side_distance > right_side_distance:
self.__move_in_direction(self.LEFT)
print("Going left")
elif left_side_distance < right_side_distance:
self.__move_in_direction(self.RIGHT)
print("Going right")
self.__fix_altitude()
def __need_to_go_up(self):
if self.__right_distance >= self.MAX_LEFT_RIGHT or self.__left_distance >= self.MAX_LEFT_RIGHT:
return True
else:
return False
def __move_in_direction(self, direction):
if direction == self.RIGHT:
self.__flight_commands.go_right()
elif direction == self.LEFT:
self.__flight_commands.go_left()
elif direction == self.UP:
self.__flight_commands.go_up()
self.__keep_altitude = True
self.__start_time_measure = round(time.time())
elif type(direction).__name__ is "str":
raise ValueError('Expected "' + self.UP + '" / "' + self.LEFT + '" / "' + self.RIGHT + '", instead got ' +
str(direction))
else:
raise TypeError('Expected variable of type str and got a variable of type ' + type(direction).__name__)
self.__update_distance(direction)
self.__last_move = direction
def __update_distance(self, direction):
if direction != self.RIGHT \
and direction != self.LEFT \
and direction != self.UP \
and isinstance(direction, str):
raise ValueError('Expected "' + self.UP + '" / "' + self.LEFT + '" / "' + self.RIGHT + '", instead got ' +
str(direction))
elif type(direction).__name__ != "str":
raise TypeError('Expected variable of type str and got a variable of type ' + type(direction).__name__)
# Get current location data.
current_latitude = self.__flight_data.get_current_latitude()
current_longitude = self.__flight_data.get_current_longitude()
current_height = self.__flight_data.get_current_height()
delta = self.__flight_data.calculate_distance(
self.__last_latitude, self.__last_longitude, current_latitude, current_longitude)
# Update the distance travelled in certain direction
if direction == self.RIGHT:
self.__right_distance += delta
self.__left_distance = 0
print("Distance went right: %f" % self.__right_distance)
elif direction == self.LEFT:
self.__left_distance += delta
self.__right_distance = 0
print("Distance went left: %f" % self.__left_distance)
elif direction == self.UP:
self.__up_distance += current_height - self.__last_height
self.__left_distance = self.__right_distance = 0
print("Distance went up: %f" % self.__up_distance)
# Update last known location attributes
self.__last_latitude = current_latitude
self.__last_longitude = current_longitude
self.__last_height = current_height
def __get_sensor_reading(self, sensor):
legal_input = False
while legal_input is False:
if sensor is self.FRONT_SENSOR:
distance = self.__sensors.check_ahead()
elif sensor is self.RIGHT_SENSOR:
distance = self.__sensors.check_right_side()
elif sensor is self.LEFT_SENSOR:
distance = self.__sensors.check_left_side()
elif sensor is self.BOTTOM_SENSOR:
distance = self.__sensors.check_below()
else:
if isinstance(sensor, str):
raise ValueError('Expected "' + self.FRONT_SENSOR + '" / "' + self.BOTTOM_SENSOR + '" / "' +
self.LEFT_SENSOR + '" / "' + self.RIGHT_SENSOR + '", instead got ' + sensor)
else:
raise TypeError('Expected variable of type str and got a variable of type ' + type(sensor).__name__)
legal_input = self.__check_measurement(distance)
if legal_input:
return distance
def __check_measurement(self, measurement):
is_int = isinstance(measurement, int)
if is_int is False and measurement is not "NACK":
raise TypeError('Expected variable of type int and got a variable of type ' + type(measurement).__name__)
if is_int:
if measurement > 0:
self.__last_input_legitimacy = True
return True
if self.__last_input_legitimacy is True:
self.__illegal_input_counter = 1
else:
self.__illegal_input_counter += 1
if self.__illegal_input_counter >= 10:
raise SystemError('Malfunction in sensors, check physical connections')
self.__last_input_legitimacy = False
return False
def __check_flags(self):
if self.__climbing is True:
self.__climbing = False
self.__keep_altitude = True
def __safe_for_landing(self):
print("Check if safe to land")
drone_altitude = self.__flight_data.get_current_height()
bottom_sensor_distance = self.__get_sensor_reading(self.BOTTOM_SENSOR)
print("Pixhawk height: " + str(drone_altitude) + ", Sensor height: " + str(bottom_sensor_distance))
heigh_difference = math.fabs(bottom_sensor_distance - drone_altitude)
if heigh_difference > self.DEVIATION_HORIZONTAL:
return False
else:
return True
def __fix_altitude(self):
bottom_sensor_distance = self.__get_sensor_reading(self.BOTTOM_SENSOR)
altitude = self.__flight_data.get_current_height()
print("Sensor Below: " + str(bottom_sensor_distance) + ", Pixhawk: " + str(altitude))
if bottom_sensor_distance > self.DANGER_ALTITUDE:
self.__safety_protocol = True
self.__follow_safety_protocol()
return
if self.__keep_altitude:
# This means the drone passed an obstacle from above. in that case I want to maintain my current altitude
# for 10 seconds to make sure the drone passed the obstacle, before getting back to regular altitude.
current_time = int(round(time.time()))
print("maintaining altitude for " + str((current_time - self.__start_time_measure)) + " seconds")
if current_time - self.__start_time_measure > 10.0:
# 10 Seconds have passed, now before the drone start decending I want to make sure
# there's nothing below and its safe for him to descend.
self.__keep_altitude = False
else:
self.__flight_commands.maintain_altitude()
return
# Fix the height of the drone to 10 meters from the ground.
delta_altitude = self.CONSTANT_HEIGHT - bottom_sensor_distance
if math.fabs(delta_altitude) < self.DEVIATION_HORIZONTAL:
return
elif delta_altitude > 0:
self.__flight_commands.go_up()
print("Fixing altitude - Going up")
elif delta_altitude < 0:
self.__flight_commands.go_down()
print("Fixing altitude - Going down")
def __get_number_of_line_in_file(self):
i = 0
with open('Sensors Data\\leftSensorData.txt') as file:
for i, l in enumerate(file):
pass
return i + 1
def __follow_safety_protocol(self):
# If the code reached here it means the drone raised 25 meters up and still see an obstacle.
# so in this case we prefer it would abort the mission in so it won't get too high or damaged.
if self.__safe_for_landing():
# while(self.__get_sensor_reading(self.__BOTTOM_SENSOR) > 10):
self.__flight_commands.land() # Enter this into the while loop above.
self.stopit()
else:
self.__flight_commands.go_back_to_base()
def take_control(self):
return self.__is_active