Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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tools/python/booking_hotels_quality.py

@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+# coding: utf8
+from __future__ import print_function
+
+from collections import namedtuple, defaultdict
+from datetime import datetime
+from sklearn import metrics
+import argparse
+import base64
+import json
+import logging
+import matplotlib.pyplot as plt
+import os
+import pickle
+import time
+import urllib2
+import re
+
+# init logging
+logging.basicConfig(level=logging.DEBUG, format='[%(asctime)s] %(levelname)s: %(message)s')
+
+
+def load_binary_list(path):
+    """Loads reference binary classifier output. """
+    bits = []
+    with open(path, 'r') as fd:
+        for line in fd:
+            if (not line.strip()) or line.startswith('#'):
+                continue
+            bits.append(1 if line.startswith('y') else 0)
+    return bits
+
+
+def load_score_list(path):
+    """Loads list of matching scores. """
+    scores = []
+    with open(path, 'r') as fd:
+        for line in fd:
+            if (not line.strip()) or line.startswith('#'):
+                continue
+            scores.append(float(re.search(r'result score: (\d*\.\d+)', line).group(1)))
+    return scores
+
+
+def process_options():
+    # TODO(mgsergio): Fix description.
+    parser = argparse.ArgumentParser(description="Download and process booking hotels.")
+    parser.add_argument("-v", "--verbose", action="store_true", dest="verbose")
+    parser.add_argument("-q", "--quiet", action="store_false", dest="verbose")
+
+    parser.add_argument("--reference_list", dest="reference_list", help="Path to data files")
+    parser.add_argument("--sample_list", dest="sample_list", help="Name and destination for output file")
+
+    parser.add_argument("--show", dest="show", default=False, action="store_true",
+                        help="Show graph for precision and recall")
+
+    options = parser.parse_args()
+
+    if not options.reference_list or not options.sample_list:
+        parser.print_help()
+        exit()
+
+    return options
+
+
+def main():
+    options = process_options()
+    reference = load_binary_list(options.reference_list)
+    sample = load_score_list(options.sample_list)
+
+    precision, recall, threshold = metrics.precision_recall_curve(reference, sample)
+    aa = zip(precision, recall, threshold)
+    max_by_hmean = max(aa, key=lambda (p, r, t): p*r/(p+r))
+    print("Optimal threshold: {2} for precision: {0} and recall: {1}".format(*max_by_hmean))
+    print("AUC: {0}".format(metrics.roc_auc_score(reference, sample)))
+
+    if options.show:
+        plt.plot(recall, precision)
+        plt.title("Precision/Recall")
+        plt.ylabel("Precision")
+        plt.xlabel("Recall")
+        plt.show()
+
+
+if __name__ == "__main__":
+    main()