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Download images from the art institute of chicago.
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| #!/usr/bin/env python3 | |
| import json | |
| import re | |
| import sys | |
| import time | |
| import urllib | |
| from parsel import Selector | |
| # python3.7 -m pip install parsel | |
| # python3.7 arti.py 1 1000 | |
| # https://old.reddit.com/r/DataHoarder/comments/9w7vfj/the_art_institute_of_chicago_has_put_50000/e9j4n11/ | |
| # Stolen from | |
| # https://github.com/django/django/blob/c7cc7526d5ee7d38a6ee1af03610f1aba1ea0c78/django/utils/text.py#L219 | |
| # (via | |
| # https://stackoverflow.com/questions/295135/turn-a-string-into-a-valid-filename) | |
| def get_valid_filename(s): | |
| s = str(s).strip().replace(' ', '_') | |
| return re.sub(r'(?u)[^-\w.]', '', s) | |
| def scrape(start, end): | |
| for i in range(start, end + 1): | |
| api_page = f"https://www.artic.edu/collection/more?is_public_domain=1&page={i}" | |
| print(f"Visiting {api_page}") | |
| html_page = json.loads(urllib.request.urlopen(api_page).read())['html'] | |
| sel = Selector(html_page) | |
| works = sel.css("li.m-listing") | |
| print(f"{len(works)} works on this page") | |
| for work in works: | |
| img = work.css("span.m-listing__img ::attr(data-iiifid)").get() | |
| fullsize_img = img + "/full/full/0/default.jpg" | |
| info_img = img + "/info.json" | |
| label = " ".join( | |
| " ".join(work.css("span.m-listing__meta ::text").getall()).split() | |
| ) | |
| img_filename = get_valid_filename(label + ".jpg") | |
| info_filename = get_valid_filename(label + ".info.json") | |
| print(f"Saving {fullsize_img} to {img_filename}") | |
| try: | |
| with open(f"{img_filename}", 'xb') as fh: | |
| fh.write(urllib.request.urlopen(fullsize_img).read()) | |
| # Be a little bit nicer to the site | |
| time.sleep(1.0) | |
| except FileExistsError: | |
| print("Image already downloaded, skipping") | |
| try: | |
| with open(f"{info_filename}", 'xb') as fh: | |
| fh.write(urllib.request.urlopen(info_img).read()) | |
| time.sleep(1.0) | |
| except FileExistsError: | |
| print("Info JSON already downloaded, skipping") | |
| def main(): | |
| if len(sys.argv) != 3: | |
| sys.exit(f"Usage: {sys.argv[0]} <start page> <end page>") | |
| start = int(sys.argv[1]) | |
| end = int(sys.argv[2]) | |
| scrape(start, end) | |
| if __name__=="__main__": | |
| main() |
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