"rewrited" some part of the code

Create directory tree based on author name
Filter posts like "YCH OPEN, REMINDER"
argument parser changes

.gitignore

@@ -7,3 +7,7 @@ cookies.txt
 *.json
 *.gif
 *.swf
+
+# code monitoring stuff
+.vscode
+ignore

.pre-commit-config.yaml

@@ -0,0 +1,43 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/psf/black
+    rev: 22.3.0
+    hooks:
+      - id: black
+        args: [--safe]
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+      - id: debug-statements
+        language_version: python3
+
+  - repo: https://github.com/PyCQA/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        language_version: python3
+
+  - repo: https://github.com/asottile/reorder_python_imports
+    rev: v3.1.0
+    hooks:
+      - id: reorder-python-imports
+        args: [--application-directories=.:src, --py39-plus]
+
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.34.0
+    hooks:
+      - id: pyupgrade
+        args: [--py39-plus]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.961
+    hooks:
+      - id: mypy
+        files: ^src/
+        args: []

README.md

@@ -4,12 +4,15 @@ This branch is the development version of furaffinity-dl rewritten in python.
 
 **furaffinity-dl** is a python script for batch downloading of galleries (and scraps/favourites) from furaffinity users users or your submissons!
 It was written for preservation of culture, to counter the people nuking their galleries every once a while.
+and then modified for confinience.
 
 Supports all known submission types: images, text, flash and audio.
 
 ## Requirements
 
-`pip3 install -r requirements.txt`
+`python 3`
+
+`pip install -r requirements.txt`
 
 **The script currently only works with the "Modern" theme**
 
@@ -21,48 +24,50 @@ When downloading a folder make sure to put everything after **/folder/**, for ex
 
 ```help
 
-usage: furaffinity-dl.py [-h] [--output OUTPUT] [--cookies COOKIES] [--ua UA] [--start START] [--stop STOP] [--dont-redownload]
+usage: furaffinity-dl.py [-h] [--category [CATEGORY]] [--submissions] [--folder FOLDER] [--output OUTPUT] [--cookies COOKIES]
-                         [--interval INTERVAL] [--metadir METADIR]
+                         [--user-agent [UA]] [--start [START]] [--stop STOP] [--dont-redownload] [--interval INTERVAL] [--rating]
-                         [category] [username] [folder]
+                         [--metadata]
+                         username
 
 Downloads the entire gallery/scraps/favorites of a furaffinity user, or your submissions
 
 positional arguments:
-  category              the category to download, gallery/scraps/favorites
+  username              username of the furaffinity user [required]
-  username              username of the furaffinity user
-  folder                name of the folder (full path, for instance 123456/Folder-Name-Here)
 
 options:
   -h, --help            show this help message and exit
-  --output OUTPUT, -o OUTPUT
+  --category [CATEGORY], -ca [CATEGORY]
-                        output directory
+                        the category to download, gallery/scraps/favorites [default: gallery]
+  --submissions, -su    download your submissions
+  --folder FOLDER       full path of the furaffinity folder. for instance 123456/Folder-Name-Here
+  --output OUTPUT       output directory [default: furaffinity-dl]
   --cookies COOKIES, -c COOKIES
                         path to a NetScape cookies file
-  --ua UA, -u UA        Your browser's useragent, may be required, depending on your luck
+  --user-agent [UA], -u [UA]
-  --start START, -s START
+                        Your browser's useragent, may be required, depending on your luck
+  --start [START], -s [START]
                         page number to start from
   --stop STOP, -S STOP  Page number to stop on. For favorites pages, specify the full URL after the username (1234567890/next).
   --dont-redownload, -d
-                        Don't redownload files that have already been downloaded
+                        Don't redownload files that have already been downloaded [default: true]
   --interval INTERVAL, -i INTERVAL
-                        delay between downloading pages
+                        delay between downloading pages in seconds [default: 0]
-  --metadir METADIR, -m METADIR
+  --rating, -r          enable rating separation [default: true]
-                        directory to put meta files in
+  --metadata, -m        enable downloading of metadata [default: false]
 
 Examples:
- python3 furaffinity-dl.py gallery koul
+ python3 furaffinity-dl.py koul koul_gallery
  python3 furaffinity-dl.py -o koulsArt gallery koul
- python3 furaffinity-dl.py -o mylasFavs favorites mylafox
+ python3 furaffinity-dl.py -o mylasFavs --category favorites mylafox
 
 You can also log in to FurAffinity in a web browser and load cookies to download Age restricted content or Submissions:
  python3 furaffinity-dl.py -c cookies.txt gallery letodoesart
- python3 furaffinity-dl.py -c cookies.txt msg submissions
+ python3 furaffinity-dl.py -c cookies.txt --submissions
 
 DISCLAIMER: It is your own responsibility to check whether batch downloading is allowed by FurAffinity terms of service and to abide by them.
-
 ```
 
-You can also log in to download restricted content. To do that, log in to FurAffinity in your web browser, export cookies to a file from your web browser in Netscape format (there are extensions to do that [for Firefox](https://addons.mozilla.org/en-US/firefox/addon/ganbo/) and [for Chrome based browsers](https://chrome.google.com/webstore/detail/cookiestxt/njabckikapfpffapmjgojcnbfjonfjfg)), you can then pass them to the script with the `-c` flag, like this (you may also have to provide your user agent):
+You can also log in to download restricted content. To do that, log in to FurAffinity in your web browser, export cookies to a file from your web browser in Netscape format (there are extensions to do that [for Firefox](https://addons.mozilla.org/en-US/firefox/addon/ganbo/) and [for Chrome based browsers](https://chrome.google.com/webstore/detail/get-cookiestxt/bgaddhkoddajcdgocldbbfleckgcbcid?hl=en)), you can then pass them to the script with the `-c` flag, like this (you may also have to provide your user agent):
 
 `python3 furaffinity-dl.py -c cookies.txt -u 'Mozilla/5.0 ....' gallery letodoesart`
 

furaffinity-dl.py

@@ -1,99 +1,161 @@
 #!/usr/bin/python3
 import argparse
-from types import NoneType
-from tqdm import tqdm
-from argparse import RawTextHelpFormatter
-import json
-from bs4 import BeautifulSoup
-import requests
 import http.cookiejar as cookielib
-import re
+import json
 import os
+import re
 from time import sleep
 
-'''
+import requests
-Please refer to LICENSE for licensing conditions.
+from bs4 import BeautifulSoup
-'''
+from tqdm import tqdm
 
 # Argument parsing
-parser = argparse.ArgumentParser(formatter_class=RawTextHelpFormatter, description='Downloads the entire gallery/scraps/favorites of a furaffinity user, or your submissions', epilog='''
+parser = argparse.ArgumentParser(
+    formatter_class=argparse.RawTextHelpFormatter,
+    description="Downloads the entire gallery/scraps/favorites of a furaffinity user, or your submissions",
+    epilog="""
 Examples:
- python3 furaffinity-dl.py gallery koul
+ python3 furaffinity-dl.py koul koul_gallery
  python3 furaffinity-dl.py -o koulsArt gallery koul
- python3 furaffinity-dl.py -o mylasFavs favorites mylafox\n
+ python3 furaffinity-dl.py -o mylasFavs --category favorites mylafox\n
 You can also log in to FurAffinity in a web browser and load cookies to download Age restricted content or Submissions:
  python3 furaffinity-dl.py -c cookies.txt gallery letodoesart
- python3 furaffinity-dl.py -c cookies.txt msg submissions\n
+ python3 furaffinity-dl.py -c cookies.txt --submissions\n
 DISCLAIMER: It is your own responsibility to check whether batch downloading is allowed by FurAffinity terms of service and to abide by them.
-''')
+""",
-parser.add_argument('category', metavar='category', type=str, nargs='?', default='gallery', help='the category to download, gallery/scraps/favorites')
+)
-parser.add_argument('username', metavar='username', type=str, nargs='?', help='username of the furaffinity user')
+
-parser.add_argument('folder', metavar='folder', type=str, nargs='?', help='name of the folder (full path, for instance 123456/Folder-Name-Here)')
+# General stuff
-parser.add_argument('--output', '-o', dest='output', type=str, default='.', help="output directory")
+parser.add_argument(
-parser.add_argument('--cookies', '-c', dest='cookies', type=str, default='', help="path to a NetScape cookies file")
+    "--category",
-parser.add_argument('--ua', '-u', dest='ua', type=str, default='Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.7) Gecko/20100101 Firefox/68.7', help="Your browser's useragent, may be required, depending on your luck")
+    "-ca",
-parser.add_argument('--start', '-s', dest='start', type=str, default=1, help="page number to start from")
+    type=str,
-parser.add_argument('--stop', '-S', dest='stop', type=str, default='', help="Page number to stop on. For favorites pages, specify the full URL after the username (1234567890/next).")
+    nargs="?",
-parser.add_argument('--dont-redownload', '-d', const='dont_redownload', action='store_const', help="Don't redownload files that have already been downloaded")
+    help="the category to download, gallery/scraps/favorites [default: gallery]",
-parser.add_argument('--interval', '-i', dest='interval', type=float, default=0, help="delay between downloading pages")
+    const=1,
-parser.add_argument('--metadir', '-m', dest='metadir', type=str, default=None, help="directory to put meta files in")
+    default="gallery",
+)
+parser.add_argument(
+    "--submissions",
+    "-su",
+    action="store_true",
+    help="download your submissions",
+)
+parser.add_argument(
+    "username",
+    type=str,
+    help="username of the furaffinity user [required]",
+)
+parser.add_argument(
+    "--folder",
+    type=str,
+    help="full path of the furaffinity folder. for instance 123456/Folder-Name-Here",
+)
+parser.add_argument(
+    "--output", type=str, default="furaffinity-dl", help="output directory [default: furaffinity-dl]"
+)
+parser.add_argument(
+    "--cookies",
+    "-c",
+    dest="cookies",
+    type=str,
+    help="path to a NetScape cookies file",
+)
+parser.add_argument(
+    "--user-agent",
+    "-u",
+    dest="ua",
+    type=str,
+    nargs="?",
+    default="Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.7) Gecko/20100101 Firefox/68.7",
+    help="Your browser's useragent, may be required, depending on your luck",
+)
+parser.add_argument(
+    "--start", "-s", type=str, default=1, help="page number to start from", nargs="?"
+)
+parser.add_argument(
+    "--stop",
+    "-S",
+    dest="stop",
+    type=str,
+    help="Page number to stop on. For favorites pages, specify the full URL after the username (1234567890/next).",
+)
+parser.add_argument(
+    "--dont-redownload",
+    "-d",
+    action="store_false",
+    help="Don't redownload files that have already been downloaded [default: true]",
+)
+parser.add_argument(
+    "--interval",
+    "-i",
+    dest="interval",
+    type=float,
+    default=0,
+    help="delay between downloading pages in seconds [default: 0]",
+)
+parser.add_argument(
+    "--rating",
+    "-r",
+    action="store_false",
+    help="enable rating separation [default: true]",
+)
+parser.add_argument(
+    "--metadata",
+    "-m",
+    action="store_true",
+    help="enable downloading of metadata [default: false]",
+)
 
 args = parser.parse_args()
+
+BASE_URL = "https://www.furaffinity.net"
+categories = {
+    "gallery": "gallery",
+    "scraps": "scraps",
+    "favorites": "favorites",
+}
+category = categories.get(args.category)
+if category is None:
+    print("please enter a valid category")
+    exit()
 if args.username is None:
-    parser.print_help()
+    print("please enter a FA Username")
+    exit()
+if args.output is None:
+    print("please enter a output folder")
     exit()
 
-# Create output directory if it doesn't exist
+username = args.username
-if args.output != '.':
+output = f"{args.output}/{args.username}"
-    os.makedirs(args.output, exist_ok=True)
+metadata = f"{output}/metadata"
 
-if args.metadir == None:
+filter = {"YCH Open", "Reminder", "YCH Closed", "Auction"}
-    args.metadir = args.output
-else:
-    os.makedirs(args.metadir, exist_ok=True)
 
-
-# Check validity of category
-valid_categories = ['gallery', 'favorites', 'scraps', 'msg']
-if args.category not in valid_categories:
-    raise Exception('Category is not valid', args.category)
-
-# Check validity of username
-if bool(re.compile(r'[^a-zA-Z0-9\-~._]').search(args.username)):
-    raise Exception('Username contains non-valid characters', args.username)
-
-# Initialise a session
 session = requests.session()
-session.headers.update({'User-Agent': args.ua})
+session.headers.update({"User-Agent": args.ua})
 
-# Load cookies from a netscape cookie file (if provided)
+if args.cookies is not None:
-if args.cookies != '':
     cookies = cookielib.MozillaCookieJar(args.cookies)
     cookies.load()
     session.cookies = cookies
 
-base_url = 'https://www.furaffinity.net'
-gallery_url = '{}/{}/{}'.format(base_url, args.category, args.username)
-if args.folder is not None:
-    gallery_url += "/folder/"
-    gallery_url += args.folder
-page_num = args.start
-
 
 def download_file(url, fname, desc):
     r = session.get(url, stream=True)
     if r.status_code != 200:
-        print("Got a HTTP {} while downloading {}; skipping".format(r.status_code, fname))
+        print(f"Got a HTTP {r.status_code} while downloading {fname}; ...skipping")
         return False
 
-    total = int(r.headers.get('Content-Length', 0))
+    total = int(r.headers.get("Content-Length", 0))
-    with open(fname, 'wb') as file, tqdm(
+    with open(fname, "wb") as file, tqdm(
         desc=desc.ljust(40)[:40],
         total=total,
         miniters=100,
-        unit='b',
+        unit="b",
         unit_scale=True,
-        unit_divisor=1024
+        unit_divisor=1024,
     ) as bar:
         for data in r.iter_content(chunk_size=1024):
             size = file.write(data)
@@ -101,161 +163,212 @@ def download_file(url, fname, desc):
     return True
 
 
-# The cursed function that handles downloading
+download_url = f"{BASE_URL}/{category}/{username}"
+if args.folder is not None:
+    download_url = f"{BASE_URL}/gallery/{username}/folder/{args.folder}"
+if args.submissions is True:
+    download_url = f"{BASE_URL}/msg/submissions"
+
+
 def download(path):
-    page_url = '{}{}'.format(base_url, path)
+    response = session.get(f"{BASE_URL}{path}")
-    response = session.get(page_url)
+    s = BeautifulSoup(response.text, "html.parser")
-    s = BeautifulSoup(response.text, 'html.parser')
 
     # System messages
-    if s.find(class_='notice-message') is not None:
+    if s.find(class_="notice-message") is not None:
-        message = s.find(class_='notice-message').find('div').find(class_="link-override").text.strip()
+        message = (
-        raise Exception('System Message', message)
+            s.find(class_="notice-message")
+            .find("div")
+            .find(class_="link-override")
+            .text.strip()
+        )
+        raise Exception("System Message", message)
 
-    image = s.find(class_='download').find('a').attrs.get('href')
+    image = s.find(class_="download").find("a").attrs.get("href")
-    title = s.find(class_='submission-title').find('p').contents[0]
+    title = s.find(class_="submission-title").find("p").contents[0]
     filename = image.split("/")[-1:][0]
     data = {
-        'id': int(path.split('/')[-2:-1][0]),
+        "id": int(path.split("/")[-2:-1][0]),
-        'filename': filename,
+        "filename": filename,
-        'author': s.find(class_='submission-id-sub-container').find('a').find('strong').text,
+        "author": s.find(class_="submission-id-sub-container")
-        'date': s.find(class_='popup_date').attrs.get('title'),
+        .find("a")
-        'title': title,
+        .find("strong")
-        'description': s.find(class_='submission-description').text.strip().replace('\r\n', '\n'),
+        .text,
+        "date": s.find(class_="popup_date").attrs.get("title"),
+        "title": title,
+        "description": s.find(class_="submission-description")
+        .text.strip()
+        .replace("\r\n", "\n"),
         "tags": [],
-        'category': s.find(class_='info').find(class_='category-name').text,
+        "category": s.find(class_="info").find(class_="category-name").text,
-        'type': s.find(class_='info').find(class_='type-name').text,
+        "type": s.find(class_="info").find(class_="type-name").text,
-        'species': s.find(class_='info').findAll('div')[2].find('span').text,
+        "species": s.find(class_="info").findAll("div")[2].find("span").text,
-        'gender': s.find(class_='info').findAll('div')[3].find('span').text,
+        "gender": s.find(class_="info").findAll("div")[3].find("span").text,
-        'views': int(s.find(class_='views').find(class_='font-large').text),
+        "views": int(s.find(class_="views").find(class_="font-large").text),
-        'favorites': int(s.find(class_='favorites').find(class_='font-large').text),
+        "favorites": int(s.find(class_="favorites").find(class_="font-large").text),
-        'rating': s.find(class_='rating-box').text.strip(),
+        "rating": s.find(class_="rating-box").text.strip(),
-        'comments': []
+        "comments": [],
     }
 
+    match = re.search(
+        "reminder|auction|YCH Open|YCH Closed|Adopt|pre-order", title, re.IGNORECASE
+    )
+    if match is not None and title == match.string:
+        print(f"post {title} was filtered and will not be downloaded")
+        return True
+
     # Extact tags
     try:
-        for tag in s.find(class_='tags-row').findAll(class_='tags'):
+        for tag in s.find(class_="tags-row").findAll(class_="tags"):
-            data['tags'].append(tag.find('a').text)
+            data["tags"].append(tag.find("a").text)
-    except:
+    except AttributeError:
-        pass
+        print(f'post: "{title}", has no tags')
 
+    image_url = f"https:{image}"
+    os.makedirs(output, exist_ok=True)
+    output_path = f"{output}/{filename}"
+    if args.rating is True:
+        os.makedirs(f'{output}/{data.get("rating")}', exist_ok=True)
+        output_path = f'{output}/{data.get("rating")}/{filename}'
+    if args.folder is not None:
+        os.makedirs(f"{output}/{args.folder}", exist_ok=True)
+        output_path = f"{output}/{args.folder}/{filename}"
+        if args.rating is True:
+            os.makedirs(f'{output}/{args.folder}/{data.get("rating")}', exist_ok=True)
+            output_path = f'{output}/{args.folder}/{data.get("rating")}/{filename}'
+
+    if args.dont_redownload is True and os.path.isfile(output_path):
+        print(f'Skipping "{title}", since it\'s already downloaded')
+    else:
+        download_file(image_url, output_path, title)
+
+    if args.metadata is True:
         # Extract comments
-    for comment in s.findAll(class_='comment_container'):
+        for comment in s.findAll(class_="comment_container"):
-        temp_ele = comment.find(class_='comment-parent')
+            temp_ele = comment.find(class_="comment-parent")
-        parent_cid = None if temp_ele is None else int(temp_ele.attrs.get('href')[5:])
+            parent_cid = (
-
+                None if temp_ele is None else int(temp_ele.attrs.get("href")[5:])
+            )
             # Comment is deleted or hidden
-        if comment.find(class_='comment-link') is None:
+            if comment.find(class_="comment-link") is None:
                 continue
 
-        data['comments'].append({
+            data["comments"].append(
-            'cid': int(comment.find(class_='comment-link').attrs.get('href')[5:]),
+                {
-            'parent_cid': parent_cid,
+                    "cid": int(
-            'content': comment.find(class_='comment_text').contents[0].strip(),
+                        comment.find(class_="comment-link").attrs.get("href")[5:]
-            'username': comment.find(class_='comment_username').text,
+                    ),
-            'date': comment.find(class_='popup_date').attrs.get('title')
+                    "parent_cid": parent_cid,
-        })
+                    "content": comment.find(class_="comment_text").contents[0].strip(),
-
+                    "username": comment.find(class_="comment_username").text,
-    url = 'https:{}'.format(image)
+                    "date": comment.find(class_="popup_date").attrs.get("title"),
-    output_path = os.path.join(args.output, filename)
+                }
-
+            )
-    if not args.dont_redownload or not os.path.isfile(output_path):
-        if not download_file(url, output_path, data["title"]):
-            return False
-    else:
-        print('Skipping "{}", since it\'s already downloaded'.format(data["title"]))
-        return True
 
         # Write a UTF-8 encoded JSON file for metadata
-    with open(os.path.join(args.metadir, '{}.json'.format(filename)), 'w', encoding='utf-8') as f:
+        os.makedirs(metadata, exist_ok=True)
+        with open(
+            os.path.join(metadata, f"{filename}.json"), "w", encoding="utf-8"
+        ) as f:
             json.dump(data, f, ensure_ascii=False, indent=4)
 
     return True
 
-global i
-i = 1
-# Main downloading loop
-while True:
 
-    if args.stop and args.stop == page_num:
+# Main downloading loop
-        print(f"Reached page {args.stop}, stopping.")
+def main():
+    page_end = args.stop
+    page_num = args.start
+    page_url = f"{download_url}/{page_num}"
+    response = session.get(page_url)
+    s = BeautifulSoup(response.text, "html.parser")
+    if s.find(class_="loggedin_user_avatar") is not None:
+        account_username = s.find(class_="loggedin_user_avatar").attrs.get("alt")
+        print("Logged in as", account_username)
+    else:
+        print("Not logged in, NSFW content is inaccessible")
+
+    while True:
+        if page_end == page_num:
+            print(f"Reached page {page_end}, stopping.")
             break
 
-    page_url = '{}/{}'.format(gallery_url, page_num)
+        page_url = f"{download_url}/{page_num}"
         response = session.get(page_url)
-    s = BeautifulSoup(response.text, 'html.parser')
+        s = BeautifulSoup(response.text, "html.parser")
-
-    # Account status
-    if page_num == 1:
-        if s.find(class_='loggedin_user_avatar') is not None:
-            account_username = s.find(class_='loggedin_user_avatar').attrs.get('alt')
-            print('Logged in as', account_username)
-        else:
-            print('Not logged in, NSFW content is inaccessible')
 
         # System messages
-    if s.find(class_='notice-message') is not None:
+        if s.find(class_="notice-message") is not None:
-        message = s.find(class_='notice-message').find('div').find(class_="link-override").text.strip()
+            try:
-        raise Exception('System Message', message)
+                message = (
+                    s.find(class_="notice-message")
+                    .find("div")
+                    .find(class_="link-override")
+                    .text.strip()
+                )
+            except AttributeError:
+                print("You didn't provide cookies to log in")
+                break
+            raise Exception("System Message", message)
 
         # End of gallery
-    if s.find(id='no-images') is not None:
+        if s.find(id="no-images") is not None:
-        print('End of gallery')
+            print("End of gallery")
             break
 
         # Download all images on the page
-    for img in s.findAll('figure'):
+        for img in s.findAll("figure"):
-        download(img.find('a').attrs.get('href'))
+            download(img.find("a").attrs.get("href"))
             sleep(args.interval)
 
-    if args.category == "msg":
+        if args.submissions is True:
-        next_button = s.find('a', class_='button standard more', text="Next 48")
+            next_button = s.find("a", class_="button standard more", text="Next 48")
-        
             if next_button is None or next_button.parent is None:
-            next_button = s.find('a', class_='button standard more-half', text="Next 48") 
+                next_button = s.find(
+                    "a", class_="button standard more-half", text="Next 48"
+                )
                 if next_button is None or next_button.parent is None:
-                print('Unable to find next button')
+                    print("Unable to find next button")
                     break
 
-        next_page_link = next_button.attrs['href']
+            next_page_link = next_button.attrs["href"]
+            page_num = next_page_link.split("/")[-2]
+            page_url = BASE_URL + next_page_link
 
-        i = i + 1
+            print("Downloading page", page_num, page_url)
-        page_num = next_page_link.split('/')[-2]
-        page_url = base_url + next_page_link 
-        
-        print('Downloading page', i, page_url)
         elif args.category != "favorites":
-        next_button = s.find('button', class_='button standard', text="Next")
+            next_button = s.find("button", class_="button standard", text="Next")
             if next_button is None or next_button.parent is None:
-            print('Unable to find next button')
+                print("Unable to find next button")
                 break
 
-        page_num = next_button.parent.attrs['action'].split('/')[-2]
+            page_num = next_button.parent.attrs["action"].split("/")[-2]
 
-        print('Downloading page', page_num, page_url)
+            print("Downloading page", page_num, page_url)
         else:
-        next_button = s.find('a', class_='button mobile-button right', text="Next")
+            next_button = s.find("a", class_="button mobile-button right", text="Next")
             if next_button is None:
-            print('Unable to find next button')
+                print("Unable to find next button")
                 break
 
             # unlike galleries that are sequentially numbered, favorites use a different scheme.
             # the "page_num" is instead: [set of numbers]/next (the trailing /next is required)
 
-        next_page_link = next_button.attrs['href']
+            next_page_link = next_button.attrs["href"]
-        next_fav_num = re.search(r'\d+', next_page_link)
+            next_fav_num = re.search(r"\d+", next_page_link)
 
-        if next_fav_num == None:
+            if next_fav_num is None:
-            print('Failed to parse next favorite link.')
+                print("Failed to parse next favorite link.")
                 break
 
             page_num = next_fav_num.group(0) + "/next"
 
             # parse it into numbers/next
 
+            print("Downloading page", page_num, page_url)
 
-        print('Downloading page', page_num, page_url)
+    print("Finished downloading")
 
 
-print('Finished downloading')
+if __name__ == "__main__":
+    main()