Sync LL and SpaceX APIs

gistfile1.txt

from datetime import timedelta
from difflib import SequenceMatcher

import requests
from django.utils.text import slugify


def find_spacex_api(launch):
    max_delta = 7
    url = 'https://api.spacexdata.com/v3/launches'
    sta = launch.window_start + timedelta(days=- max_delta)
    end = launch.window_end + timedelta(days=+ max_delta)

    # As SpaceX API doesn't offer the mission name as search criteria
    # we ask for all spacex launches in +/- 7 days around the date
    payload = {
        'id': 'true',
        'start': sta.strftime('%Y-%m-%d'),
        'end': end.strftime('%Y-%m-%d'),
    }
    r = requests.get(url, params=payload)

    allowed_delta = (max_delta * 24 * 3600)
    allowed_ratio = 0.3
    results = r.json()
    print("\n")
    print(launch.name)
    for api_launch in results:
        delta = abs(launch.net.timestamp() - api_launch['launch_date_unix'])
        n1 = slugify(launch.name.split("|")[1].strip())
        n2 = slugify(api_launch['mission_name'])
        ratio = SequenceMatcher(None, n1, n2).ratio()

        if (delta < 1000 and ratio > 0.1) or (delta < allowed_delta and ratio > allowed_ratio):

            print('Found match in SpaceXAPI %s (ratio %s, delta %s/%s)' % (api_launch['_id'],
                                                                           ratio,
                                                                           delta,
                                                                           allowed_delta))

            return api_launch['_id']
        else:
            print(api_launch)
            print('Not a match in SpaceXAPI (ratio %s, delta %s/%s)' % (ratio, delta, allowed_delta))

    print("\n")
    return None