def _fetch_flight_data(
from_date: datetime, to_date: datetime, iata_code: str, departing: bool
) -> FlightList:
"""
Fetch data on flights to/from an Icelandic airport (given with its IATA code)
between from_date and to_date from Isavia's JSON API.
"""
date_format = "%Y-%m-%d %H:%M"
from_date_str = from_date.strftime(date_format)
to_date_str = to_date.strftime(date_format)
# Insert GET parameters
url: str = _ISAVIA_FLIGHTS_URL.format(
iata_code.upper(), from_date_str, to_date_str, str(departing).lower()
)
res = query_json_api(url)
# Verify result was successful
if not res or "Success" not in res or not res["Success"] or "Items" not in res:
return []
# Add result to cache
_FLIGHT_CACHE[departing] = res["Items"]
return res["Items"]
def _fetch_exchange_rates() -> Optional[Dict]:
""" Fetch exchange rate data from apis.is and cache it. """
res = query_json_api(_CURR_API_URL)
if not res or "results" not in res:
logging.warning("Unable to fetch exchange rate data from {0}".format(
_CURR_API_URL))
return None
return {c["shortName"]: c["value"] for c in res["results"]}
def _get_news_data(max_items=8):
""" Fetch news headline data from RÚV, preprocess it. """
res = query_json_api(_NEWS_API)
if not res or "nodes" not in res or not len(res["nodes"]):
return None
items = [{
"title": i["node"]["title"],
"intro": i["node"]["intro"]
} for i in res["nodes"]]
return items[:max_items]
def _get_petrol_station_data() -> Optional[List]:
""" Fetch list of petrol stations w. prices from apis.is (Gasvaktin) """
pd = query_json_api(_PETROL_API)
if not pd or "results" not in pd:
return None
# Fix company names
for s in pd["results"]:
name = s.get("company", "")
s["company"] = _COMPANY_NAME_FIXES.get(name, name)
return pd["results"]
def _query_tv_schedule_api():
""" Fetch current television schedule from API, or return cached copy. """
global _CACHED_SCHEDULE
global _LAST_FETCHED
if (not _CACHED_SCHEDULE or not _LAST_FETCHED
or _LAST_FETCHED.date() != datetime.today().date()):
_CACHED_SCHEDULE = None
sched = query_json_api(_RUV_SCHEDULE_API_ENDPOINT)
if sched and "results" in sched and len(sched["results"]):
_LAST_FETCHED = datetime.utcnow()
_CACHED_SCHEDULE = sched["results"]
return _CACHED_SCHEDULE
def _fetch_flight_info(from_date, to_date, ftype="arrivals"):
""" Fetch flight data from Isavia's JSON API. """
assert ftype in ("arrivals", "departures")
fmt = "%Y-%m-%d %H:%M"
from_str = from_date.strftime(fmt)
to_str = to_date.isoformat(fmt)
arr = "true" if ftype == "arrivals" else "false"
airport = "KEF"
url = _ISAVIA_URL.format(airport, from_str, to_str, arr)
res = query_json_api(url)
# Verify sanity of result
if not res or "Success" not in res or not res[
"Success"] or "Items" not in res:
return None
print(res)
return res["Items"]
def _fetch_exchange_rates():
""" Fetch exchange rate data from apis.is and cache it. """
res = query_json_api(_CURR_API_URL)
if not res or "results" not in res:
return None
return {c["shortName"]: c["value"] for c in res["results"]}
def _query_wiki_api(subject: str):
""" Fetch JSON from Wikipedia API """
url = _WIKI_API_URL.format(subject)
return query_json_api(url)
def _query_owm_by_coords(lat: float, lon: float):
d = query_json_api(_OWM_API_URL_BYLOC.format(lat, lon, _get_OWM_API_key()))
return _postprocess_owm_data(d)
def _query_owm_by_name(city: str, country_code: Optional[str] = None):
d = query_json_api(
_OWM_API_URL_BYNAME.format(city, country_code or "",
_get_OWM_API_key()))
return _postprocess_owm_data(d)
