extract_universities.py 1.92 KB
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#!/usr/bin/env python3

"""
Script to insert the country data in the database

IT HAS TO BE RUN INSIDE ./manage.py shell
"""
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import csv
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import os
import time
from geopy.geocoders import Nominatim
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import reverse_geocoder as rg
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tmp = os.path.join(os.path.realpath(__file__), '../../assets/destinations.csv')
destinations_path = os.path.abspath(tmp)

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tmp = os.path.join(os.path.realpath(__file__),
                   '../../assets/destinations_extracted.csv')
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destinations_extracted_path = os.path.abspath(tmp)

if not os.path.isfile(destinations_path):
    print(destinations_path)
    raise Exception("Missing file containing country data")

with open(destinations_path, 'rt') as input:
    with open(destinations_extracted_path, 'w') as output:
        print("ini")
        reader = csv.reader(input)
        spamwriter = csv.writer(output, quoting=csv.QUOTE_NONNUMERIC)
        geolocator = Nominatim()

        failed = []
        i = 0
        for row in reader:
            # handle the header
            if i == 0:
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                header = ['university', 'city', 'country', 'lat', 'lon']
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                spamwriter.writerow(header)
                i += 1
            else:
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                query = row[2]  # + ', ' + row[1] + ', ' + row[0]

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                while True:
                    try:
                        location = geolocator.geocode(query)
                        break
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                    except:  # noqa: E722
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                        print("error during query, retrying")
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                        time.sleep(0.5)
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                if location is not None:
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                    coord = (location.latitude, location.longitude)
                    res = rg.search(coord, verbose=False)
                    line = [row[2], row[1], res[0]['cc'], location.latitude, location.longitude]
                    print(line)
                    spamwriter.writerow(line)
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                else:
                    failed.append(query)

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        print(failed)