import requests
import json
import os

tags = input("Enter tags: ")
destination = input("Enter the directory you want dowload to (the directory will be created if not exists): ")
done = False

def download_url(url):
    if not os.path.exists(destination):
        os.makedirs(destination)
    filename = url.split('/')[-1].replace(" ", "_")
    path = destination + "/" + filename
    print("Downloading: " + url + " -> " + path)
    if os.path.exists(path):
        print("Skipping downloaded content...")
        return # skip downloaded content
        
    resp = requests.get(url)
    open(path, "wb").write(resp.content);

page = 0

while (not done):
    post_count = 0

    response = requests.get("https://api.rule34.xxx/index.php?page=dapi&s=post&json=1&q=index&tags=" + tags + "&pid=" + str(page) + "");
    content = json.loads(response.content)
    for entry in content:
        post_count = post_count + 1
        download_url(entry["file_url"])
        
    if post_count == 100:
        page = page + 1
    else:
        done = True
print("Done.")