def recommend(event, context=None):
body = event["body"]
if not body:
error = "post body is null or empty"
logger.error(error)
return {"statusCode": 500, "body": json.dumps({"error": error})}
segment = json.loads(body)
logger.info(segment)
recommender = Recommender()
# @todo, pass influencer seeds as argument
influencer = os.path.join(os.path.join(local_dir, 'seeds'), 'mike.json')
with open(influencer) as json_data:
influences = json.load(json_data)
logger.info(influences)
recommender.artists = [a['id'] for a in influences['artists']]
recommender.tracks = [t['id'] for t in influences['tracks']]
recommender.genres = influences['genres']
segment = Segment(
segment['start_time'], segment['end_time'], segment['segment_type'],
Power(segment['power']['min_intensity'],
segment['power']['max_intensity']), segment['cadence'])
try:
results = recommender.get_tracks_for_segment(segment)
print('got results from recommender.get_tracks_for_segment')
logger.info(json.dumps(results, indent=4, sort_keys=True))
return {
"statusCode": 200,
"headers": _get_headers(),
"body": json.dumps(results, indent=4, sort_keys=True)
}
except Exception as e:
logger.error(e.__doc__)
logger.error(e.message)
logger.error(traceback.format_exc())
return {
"statusCode": 500,
"headers": _get_headers(),
"body": json.dumps({"error": error})
}
def main():
recommender = Recommender()
#influencer = '..\seeds\mike.json'
influencer = '..\\seeds\\tribby.json'
# influencer = '..\seeds\emily.json'
with open(influencer) as json_data:
influences = json.load(json_data)
# print(influences)
recommender.artists = [a['id'] for a in influences['artists']]
recommender.tracks = [t['id'] for t in influences['tracks']]
recommender.genres = influences['genres']
recommender.allow_explicit_lyrics = True
print 'Warmup, 10 mins, power 20% - 45%, rpm 90\n'
segment = Segment(0, 600, "Warmup", Power(0.20, 0.45), 90)
results = recommender.get_tracks_for_segment(segment)
print_results(results)
print 'SteadyState, 15 mins, power 45% - 75%, rpm 90\n'
segment = Segment(0, 900, "SteadyState", Power(0.45, 0.75), 90)
results = recommender.get_tracks_for_segment(segment)
print_results(results)
print 'IntervalsT, 20 mins, power 75% - 150%, rpm 120\n'
segment = Segment(0, 1200, "IntervalsT", Power(0.75, 1.5), 90)
results = recommender.get_tracks_for_segment(segment)
print_results(results)
print 'CoolDown, 10 mins, power 25% - 45%, rpm 90\n'
segment = Segment(0, 600, "CoolDown", Power(0.25, 0.45), 90)
results = recommender.get_tracks_for_segment(segment)
print_results(results)