Update required cookies

Author: monk-time

README.md

@@ -4,7 +4,7 @@ A simple tool to backup all your lists from IMDb including your watchlist and ra
 
 ## Installation:
 
-The easiest way to run this tool on Windows is to download a portable executable from the [Releases](https://github.com/monk-time/imdb-backup-lists/releases) tab. The executable is created with PyInstaller but is *not* an installer. 
+The easiest way to run this tool on Windows is to download a portable executable from the [Releases](https://github.com/monk-time/imdb-backup-lists/releases) tab. The executable is created with PyInstaller but is *not* an installer.
 
 Otherwise you can run it from the source code:
 
@@ -22,33 +22,34 @@ Otherwise you can run it from the source code:
    ```
 
 3. Download `imdb_backup.py` from the repo.
-   
+
 ## How to run:
 
-1. Copy your IMDb `id` and `sid` cookies from your browser:
+1. Copy your IMDb `at-main`, `ubid-main` and `uu` cookies from your browser:
    1. Open any page on IMDb.
    2. Open Developer tools in your browser:
       - Firefox: ≡ → Web Developer → Storage Inspector<br><br>
         ![Firefox](images/firefox.png)
       - Chrome: ⫶ → More tools → Developer tools → Application tab<br><br>
         ![Chrome](images/chrome.png)
    3. Expand "Cookies" in the left panel and select `http://www.imdb.com`.
-   4. Find rows named "id" and "sid", double click on their cells in the "Value" column and copy them.  
-   
+   4. Find rows named `at-main`, `ubid-main` and `uu`, double click on their cells in the "Value" column and copy them.
+
 2. Create a new file `imdb_cookie.json` in the script directory and paste the following data into it, replacing ellipses with your cookies from the previous step:
    ```json
    {
-     "id": "...",
-     "sid": "..."
+     "at-main": "...",
+     "ubid-main": "...",
+     "uu": "..."
    }
-   ``` 
+   ```
 
 3. Use any of the following steps to run the tool (depending on which file you've downloaded):
    - Executable (`imdb_backup.exe`):
      - double click on the file
      - or type `imdb_backup.exe --nopause` in the command line
    - Script (`imdb_backup.py`):
-     - double click on the file 
+     - double click on the file
      - or type `python imdb_backup.py --nopause` in the command line
 
 4. After the tool has finished running, `imdb_exported_lists.zip` should appear in your working directory.

imdb_backup.py

@@ -12,6 +12,7 @@
 import unidecode
 from bs4 import BeautifulSoup
 
+REQUIRED_COOKIES = {'at-main', 'ubid-main', 'uu'}
 COOKIE_FNAME = 'imdb_cookie.json'
 ZIP_FNAME = 'imdb_exported_lists.zip'
 README_REF = 'For more info check README.md.\n' \
@@ -36,8 +37,9 @@ def load_imdb_cookies(cookie_path):
     # https://pyinstaller.readthedocs.io/en/stable/runtime-information.html#using-sys-executable-and-sys-argv-0
     if cookie_path.exists():
         cookies = json.loads(cookie_path.read_text())
-        if not ('id' in cookies and 'sid' in cookies):
-            raise ValueError(f'\n\n{COOKIE_FNAME} must contain both "id" and "sid" cookies.')
+        if not REQUIRED_COOKIES <= set(cookies):
+            raise ValueError(f'\n\n{COOKIE_FNAME} must contain the following cookies: '
+                             f'{", ".join(REQUIRED_COOKIES)}.')
         return cookies
     else:
         raise FileNotFoundError(f'\n\nCreate a file "{COOKIE_FNAME}" in the script directory\n'