APIManager.py

import json
import sys
import requests

class NasaAPI:
    def __init__(self, api_key):
        self._api_key = api_key

    def get_api_key(self):
        return self._api_key

    def get_today_image(self, update):
        f = open("./README.md", "w")

        endpoint = 'https://api.nasa.gov/planetary/apod?api_key={}'.format(self._api_key)

        res = requests.get(endpoint)
        data = json.loads(res.text)

        if 'date' not in data:
            sys.exit("Error: date not found in data.\n")

        if 'title' not in data:
            sys.exit("Error: title not found in data.\n")

        if 'url' not in data:
            sys.exit("Error: url not found in data.\n")

        f.write(f'''
# Awesome space image of the day from [NASA](https://api.nasa.gov/)

### Today image : {data['title']}
Date : {data['date']}

![]({data['url']})

<small>Latest update : {update}</small>
        ''')

        f.close()