def compute_travel_times(flats_list, constraint, config):
"""
Compute the travel time between each flat and the points listed in the
constraints.
:param flats_list: A list of flats dict.
:param constraint: The constraint that the ``flats_list`` should satisfy.
:param config: A config dict.
:return: An updated list of flats dict with computed travel times.
.. note :: Requires a Navitia or CityMapper API key in the config.
"""
for flat in flats_list:
if not flat["flatisfy"].get("matched_stations", []):
# Skip any flat without matched stations
LOGGER.info(
"Skipping travel time computation for flat %s. No matched stations.",
flat["id"],
)
continue
if "time_to" not in flat["flatisfy"]:
# Ensure time_to key is initialized
flat["flatisfy"]["time_to"] = {}
# For each place, loop over the stations close to the flat, and find
# the minimum travel time.
for place_name, place in constraint["time_to"].items():
mode = place.get("mode", "PUBLIC_TRANSPORT")
time_to_place_dict = None
for station in flat["flatisfy"]["matched_stations"]:
# Time from station is a dict with time and route
time_from_station_dict = tools.get_travel_time_between(
station["gps"], place["gps"], TimeToModes[mode], config
)
if time_from_station_dict and (
time_from_station_dict["time"] < time_to_place_dict or time_to_place_dict is None
):
# If starting from this station makes the route to the
# specified place shorter, update
time_to_place_dict = time_from_station_dict
if time_to_place_dict:
LOGGER.info(
"Travel time between %s and flat %s by %s is %ds.",
place_name,
flat["id"],
mode,
time_to_place_dict["time"],
)
flat["flatisfy"]["time_to"][place_name] = time_to_place_dict
return flats_list
def compute_travel_times(flats_list, constraint, config):
"""
Compute the travel time between each flat and the points listed in the
constraints.
:param flats_list: A list of flats dict.
:param constraint: The constraint that the ``flats_list`` should satisfy.
:param config: A config dict.
:return: An updated list of flats dict with computed travel times.
.. note :: Requires a Navitia or CityMapper API key in the config.
"""
for flat in flats_list:
if not flat["flatisfy"].get("matched_stations", []):
# Skip any flat without matched stations
LOGGER.info(
"Skipping travel time computation for flat %s. No matched "
"stations.", flat["id"])
continue
if "time_to" not in flat["flatisfy"]:
# Ensure time_to key is initialized
flat["flatisfy"]["time_to"] = {}
# For each place, loop over the stations close to the flat, and find
# the minimum travel time.
for place_name, place in constraint["time_to"].items():
time_to_place = None
for station in flat["flatisfy"]["matched_stations"]:
time_from_station = tools.get_travel_time_between(
station["gps"], place["gps"], config)
if time_from_station and (time_from_station < time_to_place
or time_to_place is None):
time_to_place = time_from_station
if time_to_place:
LOGGER.info("Travel time between %s and flat %s is %ds.",
place_name, flat["id"], time_to_place["time"])
flat["flatisfy"]["time_to"][place_name] = time_to_place
return flats_list