Docin document downloader

docin-dl.py

###############################################################################
#
# Docin document downloader
#
# Valid as of 2022-12-13
#
###############################################################################
import argparse
import os
from types import SimpleNamespace
import urllib.request

conf = SimpleNamespace(
    docin_pid = 0,
    output_dir = ""
)

def download_image(pid):
    i = 0
    while True:
        i += 1
        try:
            urllib.request.urlretrieve(
                "http://211.147.220.164/index.jsp?file={}&pageno={}".format(pid, i),
                os.path.join(conf.output_dir, "{}.png".format(i))
            )
        except urllib.error.HTTPError:
            break
        else:
            print("Page", i, "saved.")

if __name__ == "__main__":
    # Parse the arguments
    parser = argparse.ArgumentParser()

    parser.add_argument("docin_pid", type=str, help="The number after \"p-\" in docin url")
    parser.add_argument("output_dir", type=str, help="The output directory")

    args = parser.parse_args()

    conf.docin_pid = args.docin_pid
    conf.output_dir = args.output_dir

    # Do the work
    download_image(conf.docin_pid)

Works in 2022, thanks!
(add &width=1836&height=2376 to request for better resolution images)

import os
import urllib.request
from PIL import Image

def download_images(pid, output_dir):
images = []
i = 1
while True:
try:
file_name = f"{i}.png"
file_path = os.path.join(output_dir, file_name)
url = f"http://211.147.220.164/index.jsp?file={pid}&pageno={i}"
urllib.request.urlretrieve(url, file_path)
print(f"Page {i} downloaded.")
images.append(file_path)
i += 1
except urllib.error.HTTPError:
print("Download completed or no more pages to fetch.")
break
return images

def images_to_pdf(images, output_dir):
pdf_path = os.path.join(output_dir, "document.pdf")
image_list = [Image.open(image).convert('RGB') for image in images]
if image_list:
image_list[0].save(pdf_path, save_all=True, append_images=image_list[1:])
print(f"PDF saved at {pdf_path}")

if name == "main":
pid = 2064621039 # Example PID, replace with the actual PID you want to use
output_dir = "/content/drive/MyDrive/Data" # Change to your desired output directory

if not os.path.exists(output_dir):
    os.makedirs(output_dir)

images = download_images(pid, output_dir)
if images:
    images_to_pdf(images, output_dir)

Here is new code

https://www.docin.com/p-4780561796.html

这个链接没法使用，有办法吗？