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@ -1,70 +1,15 @@
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#!/usr/bin/env python3
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import os
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from flask import request, jsonify
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from flask_classful import FlaskView
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from utils import json_required
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import requests
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import tempfile
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import numpy
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from pyAudioAnalysis.audioTrainTest import load_model, load_model_knn, classifier_wrapper
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import json
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import uwsgi
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class ClassifyView(FlaskView):
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@json_required
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def post(self):
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task = request.json # tag, features, model
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_, temp_model_name = tempfile.mkstemp()
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temp_means_name = temp_model_name + "MEANS"
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r = requests.get(f"http://model-service/model/{task['model']}/details")
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r.raise_for_status()
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model_details = r.json()
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try:
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r = requests.get(f"http://model-service/model/{task['model']}")
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r.raise_for_status()
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with open(temp_model_name, 'wb') as f:
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f.write(r.content)
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r = requests.get(f"http://model-service/model/{task['model']}?means")
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r.raise_for_status()
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with open(temp_means_name, 'wb') as f:
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f.write(r.content)
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if model_details['type'] == 'knn':
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classifier, mean, std, classes, mid_window, mid_step, short_window, short_step, compute_beat \
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= load_model_knn(temp_model_name)
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else:
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classifier, mean, std, classes, mid_window, mid_step, short_window, short_step, compute_beat \
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= load_model(temp_model_name)
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feature_vector = (numpy.array(task['features']) - mean) / std
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class_id, probability = classifier_wrapper(classifier, model_details['type'], feature_vector)
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finally: # bruuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuh
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try:
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os.remove(temp_model_name)
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except FileNotFoundError:
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pass
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try:
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os.remove(temp_means_name)
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except FileNotFoundError:
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pass
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# TODO: Publish to message queue
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results = {
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"class_id": class_id,
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"probability": probability
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}
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uwsgi.mule_msg(json.dumps(task))
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return jsonify({"status": "OK", "msg": "enqueued"})
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