Created
August 5, 2023 19:33
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fetch and save full-size covers from bookwalker
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#!/bin/python | |
import sys | |
import re | |
import requests | |
# https://github.com/qsniyg/maxurl/issues/17 | |
# https://github.com/qsniyg/maxurl/commit/5d5a77c08f9461c5d7c4ceac209fca240b776d7b#diff-1bc842c9e7dda2f26048e68021e82a3c290fb38639d0acf259392b26f4664fc8R21594-R21613 | |
def get_real_url(url): | |
if "rimg.bookwalker.jp" in url: | |
url = re.sub( | |
r":\/\/[^/]*\/([0-9]+)\/[0-9a-zA-Z_]+(\.[^/.]*)$", | |
r"://c.bookwalker.jp/\1/t_700x780\2", | |
url, | |
) | |
if "c.bookwalker.jp" in url: | |
match = re.search(r":\/\/[^/]*\/([0-9]+)\/[^/]*(?:[?#].*)?$", url) | |
if match: | |
number = match[1] | |
reversed_number = int(number[::-1]) - 1 | |
url = ( | |
"https://c.bookwalker.jp/coverImage_" | |
+ str(reversed_number) | |
+ re.sub(r".*(\.[^/.?#]*)(?:[?#].*)?$", r"\1", url) | |
) | |
return url | |
def save_img(url, name): | |
ext = url.rsplit(".", maxsplit=1)[1] | |
with requests.get(url) as response: | |
response.raise_for_status() | |
img = response.content | |
with open(f"{name}.{ext}", "wb") as f: | |
f.write(img) | |
if __name__ == "__main__": | |
arg_count = len(sys.argv) | |
if arg_count == 1: | |
sys.exit("no url supplied") | |
input_url = sys.argv[1] if arg_count > 1 else None | |
file_name = sys.argv[2] if arg_count > 2 else None | |
if "rimg.bookwalker.jp" in input_url or "c.bookwalker.jp" in input_url: | |
cover_url = get_real_url(input_url) | |
else: | |
sys.exit("invalid url supplied") | |
if file_name: | |
save_img(cover_url, file_name) | |
else: | |
print(cover_url) |
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right click -> copy image link ->
bwcover.py <url> <filename>
bwcover.py <url> cool-cover
-> savescool-cover.<ext>
bwcover.py <url>
-> prints full-size url