Unsplash collection downloader

unsplash.py

import requests, math, os

accessKey = 'insert_your_unsplash_access_key_here'

def main():
    print('\nUnsplash Collection Downloader\n')

    collection = input('Enter collection id: ')

    photos, directory = getPhotos(collection)
    downloadPhotos(photos, directory)

def getPhotos(collection):
    collectionUrl = f'https://api.unsplash.com/collections/{ collection }/?client_id={ accessKey }'

    collectionResponse = requests.get(collectionUrl).json()
    total = int(collectionResponse['total_photos'])
    photos = []
    perPage = 30

    for page in range(1, math.ceil(total / perPage) + 1):
        photosUrl = f'https://api.unsplash.com/collections/{ collection }/photos/?client_id={ accessKey }&per_page={ perPage }&page={ page }'

        for photo in requests.get(photosUrl).json():
            photos.append([photo['id'], photo['urls']['raw']])

    return photos, collectionResponse['title']

def downloadPhotos(photos, directory):
    if not os.path.exists(directory):
        os.makedirs(directory)

    print()
    for photo in photos:
        print(f'\rDownloading photo { photos.index(photo) + 1 } of { len(photos) }... ', end = '', flush = True)
        name = f'{ directory }/{ photo[0] }.jpg'

        if os.path.exists(name):
            return

        file = open(name, 'wb')
        file.write(requests.get(photo[1]).content)
        file.close()

    print('Done!\n')

if __name__ == '__main__':
    main()