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Python-based tool for downloading all your GOG.com game and bonus collections to your local computer for full offline enjoyment.
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README.md

gogrepo

Python-based tool for downloading your GOG.com game collections and extras to your local computer for full offline enjoyment.

It is a clean standalone python script that can be run from anywhere. It requires a typical Python 2.7 installation and html5lib.

By default, game folders are saved in the same location that the script is run in. You can also specify another directory. Run gogrepo.py -h to see help or read more below. Each game has its own directories with all game/bonus files saved within.

License: GPLv3+

Features

  • Ability to choose which games to download based on combinations of OS (windows, linux, mac) and language (en, fr, de, etc...)
  • Saves a !info.txt in each game folder with information about each game/extra item.
  • Creates a !serial.txt if the game has a special serial/cdkey (I know, not 100% DRM-free, is it?). Sometimes coupon codes are hidden here!
  • Verify your downloaded collection with full MD5, zip integrity, and expected file size checking.
  • Auto retrying of failed fetch/downloads. Sometime GOG servers report temporary errors.
  • Ability to import your already existing local collection.
  • Easy to throw into a daily cronjob to get all the latest updates and newly added content!
  • Clear logging prints showing update/download progress and HTTP errors. Easy to pipe or tee to create a log file.

Quick Start -- Typical Use Case

  • Login to GOG and save your login cookie for later commands. Your login/pass can be specified or be prompted. You generally only need to do this once to create a valid gog-cookies.dat

    gogrepo.py login

  • Fetch all game and bonus information from GOG for items that you own and save into a local manifest file. Run this whenever you want to discover newly added games or game updates.

    gogrepo.py update -os windows linux mac -lang en de fr

  • Download the games and bonus files for the OS and languages you want for all items known from the saved manifest file.

    gogrepo.py download

  • Verify and report integrity of all downloaded files. Does MD5, zip integrity, and expected filesize verification. This makes sure your game files can actually be read back and are healthy.

    gogrepo.py verify

Advanced Usage -- Common Tasks

  • Add new games from your library to the manifest.

    gogrepo.py update -os windows -lang en de -skipknown

  • Update games with the updated tag in your libary.

    gogrepo.py update -os windows -lang en de -updateonly

  • Update a single game in your manifest.

    gogrepo.py update -os windows -lang en de -id trine_2_complete_story

  • Download a single game in your manifest.

    gogrepo.py download -id trine_2_complete_story

Commands

gogrepo.py login Authenticate with GOG and save the cookie locally in gog-cookies.dat file. This is needed to do update or download command. Run this once first before doing update and download.

login [-h] [username] [password]
-h, --help  show this help message and exit
username    GOG username/email
password    GOG password

--

gogrepo.py update Fetch game data and information from GOG.com for the specified operating systems and languages. This collects file game titles, download links, serial numbers, MD5/filesize data and saves the data locally in a manifest file. Manifest is saved in a gog-manifest.dat file

update [-h] [-os [OS [OS ...]]] [-lang [LANG [LANG ...]]] [-skipknown | -updateonly | -id <title>]
-h, --help            show this help message and exit
-os [OS [OS ...]]     operating system(s) (ex. windows linux mac)
-lang [LANG [LANG ...]]  game language(s) (ex. en fr de)
-skipknown            only update new games in your library
-updateonly           only update games with the updated tag in your library
-id <title>           specify the game to update by 'title' from the manifest
                      <title> can be found in the !info.txt of the game directory

--

gogrepo.py download Use the saved manifest file from an update command, and download all known game items and bonus files.

download [-h] [-dryrun] [-skipextras] [-skipextras] [-skipgames] [-wait WAIT] [-id <title>] [savedir]
-h, --help   show this help message and exit
-dryrun      display, but skip downloading of any files
-skipextras  skip downloading of any GOG extra files
-skipgames   skip downloading of any GOG game files
-wait WAIT   wait this long in hours before starting
-id <title>  specify the game to download by 'title' from the manifest
             <title> can be found in the !info.txt of the game directory
savedir      directory to save downloads to

--

gogrepo.py verify Check all your game files against the save manifest data, and verify MD5, zip integrity, and expected file size. Any missing or corrupt files will be reported.

verify [-h] [-skipmd5] [-skipsize] [-skipzip] [-delete] [gamedir]
gamedir     directory containing games to verify
-h, --help  show this help message and exit
-skipmd5    do not perform MD5 check
-skipsize   do not perform size check
-skipzip    do not perform zip integrity check
-delete     delete any files which fail integrity test

--

gogrepo.py import Search an already existing GOG collection for game item/files, and import them to your new GOG folder with clean game directory names and file names as GOG has them named on their servers.

import [-h] src_dir dest_dir
src_dir     source directory to import games from
dest_dir    directory to copy and name imported files to
-h, --help  show this help message and exit

--

gogrepo.py backup Make copies of all known files in manifest file from a source directory to a backup destination directory. Useful for cleaning out older files from your GOG collection.

backup [-h] src_dir dest_dir
src_dir     source directory containing gog items
dest_dir    destination directory to backup files to
-h, --help  show this help message and exit

Requirements

I recommend you use pip to install the above python modules.

pip install html5lib html2text

TODO

  • add ability to update and download specific games or new-items only
  • add 'clean' command to orphan/remove old or unexpected files to keep your collection clean with only the latest files
  • support resuming manifest updating
  • add support for incremental manifest updating (ie. only fetch newly added games) rather than fetching entire collection information
  • ability to customize/remap default game directory name
  • add GOG movie support
  • ... feel free to contact me with ideas or feature requests!
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