class LastfmGigSearcherSource(GigSearcherSource):
"Class that uses the Last.fm API as a source to search for gigs."
def __init__(self, api_key):
"Creates the Source using an API key."
if not api_key:
raise ValueError("An API key needs to be informed to use Last.fm web services.")
self._lastfm = Lastfm(api_key, "json")
def search_by_location(self, location):
return self._search(location=location)
def search_by_coordinates(self, latitude, longitude):
return self._search(latitude=latitude, longitude=longitude)
def _search(self, location=None, latitude=None, longitude=None):
# location should be sent only if latitude and longitude are not, because when location is informed, the Last.fm API always use this, and ignores latitude and longitude
lastfm_json_response = self._lastfm.geo().get_events(
location=(location if not (latitude and longitude) else None),
latitude=latitude,
longitude=longitude,
limit=50,
)
events_dict = json.loads(lastfm_json_response)
if "error" in events_dict:
raise GigSearchException(
"Last.fm [Geo.getEvents]", "[Error " + str(events_dict["error"]) + "] " + events_dict["message"]
)
return events_dict
def __init__(self, api_key):
"Creates the Source using an API key."
if not api_key:
raise ValueError("An API key needs to be informed to use Last.fm web services.")
self._lastfm = Lastfm(api_key, "json")
