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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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from annoy import AnnoyIndex
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from .mapping.mapping import *
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from .models.models import *
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from passfinder.events.models import Event
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def get_nearest_(instance_model, model_type, mapping, nearest_n, ml_model):
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how_many = len(Event.objects.filter(type=model_type))
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index = mapping.index(instance_model.oid)
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nearest = ml_model.get_nns_by_item(index, len(mapping))
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res = []
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for i in range(how_many):
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try:
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res.append(Event.objects.get(oid=mapping[nearest[i]]))
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except Event.DoesNotExist: ...
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if len(res) == nearest_n: break
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return res
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def nearest_attraction(attraction, nearest_n):
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return get_nearest_(attraction, 'attraction', attraction_mapping, nearest_n, attracion_model)
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def nearest_movie(movie, nearest_n):
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return get_nearest_(movie, 'movie', cinema_mapping, nearest_n, cinema_model)
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def nearest_plays(play, nearest_n):
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return get_nearest_(play, 'play', plays_mapping, nearest_n, plays_model)
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def nearest_excursion(excursion, nearest_n):
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return get_nearest_(excursion, 'excursion', excursion_mapping, nearest_n, excursion_model)
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def nearest_concert(concert, nearest_n):
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return get_nearest_(concert, 'concert', concert_mapping, nearest_n, concert_model)
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