Note: This script was intended to be an NZBGet post-processing and scheduling script wrapper for Subliminal. The script will work with SABnzbd (starting at v2.0.0+) and can also work fine as a standalone script for others too. See the Command Line section below for details how you can easily use this on it's own (without NZBGet or SABnzbd).
Subliminal was originally written by Antoine Bertin (Diaoul Ael). This tool I'm hosting here merely acts as a wrapper to it by enhancing the great functionality it already provides. Subliminal allows us to take a video file (and/or a directory containing videos) you provide it. From there it makes use of a series of websites in efforts to obtain the subtitles associated with the videos it scanned. This wrapper extends this functionallity by controlling how many interenet requests are made for videos without subtitles. This script will prevents querying videos over and over again that simply don't have subtitles at all.
I do however maintain a fork of the Subliminal 0.7.x branch here where I've added my own enhancements to help make this tool do what I want to. Enhancments such as:
- The script pays attention to the date of the files and only acts on those that are within a certain (configurable) timeframe; the default age is 24 hours. This works really amazing for NZBGet users, but for those using this tool in it's standalone version may find it works for them too. This feature allows you to control how many times the internet is polled against a video that has never had subtitles posted for it. There is more detail on this below in the Command Line section on how to use (or disable) this feature.
- The script can operate in one of 5 modes:
- ImpairedOnly: Only attempt to fetch subtitles that are identified as supporting the hearing impaired. Note: This is not an enhancment and exists in the current version of subliminal.
- StandardOnly: Only attempt to fetch subtitles that are NOT identified as supporting the hearing impaired. Note: This is not an enhancment and exists in the current version of subliminal.
- BestScore: Just download the best matched subtitles reguardless of whether they are for the hearing impaired or not. Note: This is the default option.
- ImpairedFirst: This is similar to the BestScore mode above; except the script scores (weighs) the hearing impaired matches a bit higher in efforts to make them be priority over any other subtitles matched.
- StandardFirst: This is similar to the BestScore mode above; except the script scores (weighs) the hearing impaired matches a bit lower in efforts to make them be the last to be considered as a match.
- Python v2.6 Support in efforts to target a broader audience.
Most of my changes actually made it back into the original source code (pull request #404). However I still like to maintain my own fork in case of an unforseen enhancment gets pushed upstream that breaks this wrapper.
This tool can also notify you using Apprise when a subtitle has been retrieved too!
- Ensure you have Python v2.7 installed onto your system.
# Pull in dependencies:
pip install -r requirements.txt- Simply place the Subliminal.py and Subliminal directory together.
- NZBGet users: you'll want to place these inside of your nzbget/scripts directory. Please ensure you are running (at least) NZBGet v11.0 or higher. You can acquire the latest version of of it from here.
- SABnzbd users: you'll want to place these inside of your sabnzbd/scripts directory. You may also want to read this wiki link on maintaining your own Subliminal's Configuration file.
- The Non-NZBGet and SABnzbd users can also use this script via a cron (or simply call it from the command line) to automatically poll directories for the latest subtitles for the video content within it. See the Command Line section below for more instructions on how to do this.
Note: The Subliminal directory provides all of the nessisary dependencies in order for this script to work correctly. The directory is only required if you do not have the packages already available to your global environment. These dependant packages are all identified under the Dependencies section below.
The table below identifies the provider Subliminal.py supports and the location that content is retrieved from.
| Provider | Source |
|---|---|
| addic7ed | http://www.addic7ed.com/ |
| opensubtitles | http://www.opensubtitles.org/ |
| tvsubtitles | http://www.tvsubtitles.net/ |
| podnapisi | http://www.podnapisi.net/ |
| thesubdb | http://thesubdb.com/ |
The following dependencies are already provided for you within the Subliminal directory and no further effort is required by you. However, it should be known that Subliminal.py depends on the following packages:
Note: The items above denoted with a [P] were patched in efforts to:
- Make their libaries compatible with Python v2.6.
- Fix bugs to add stability to the overall functionality.
- Add the nessesary enhancments that benifit this wrapper tool.
To be as transparent as possible, all patches have been provided in the /patches directory.
Subliminal.py has a built in command line interface that can be easily tied to a cron entry or can be easilly called from the command line to automate the fetching of subtitles.
Here are the switches available to you:
Usage: Subliminal.py [options]
Options:
-h, --help show this help message and exit
-S DIR, --scandir=DIR
The directory to scan against. Note: that by setting
this variable, it is implied that you are running this
from the command line.
-a AGE, --maxage=AGE The maximum age a file can be to be considered
searchable. This value is represented in hours. The
default value is 24 hours.
-n ENCODING, --encoding=ENCODING
The system encoding to use (utf-8, ISO-8859-1, etc).
The default value is 'UTF-8'.
-l LANG, --language=LANG
The language the fetch the subtitles in (en, fr, etc).
The default value is 'en'.
-p PROVIDER1,PROVIDER2,etc, --providers=PROVIDER1,PROVIDER2,etc
Specify a list of providers (use commas as delimiters)
to identify the providers you wish to use. The
following will be used by default: 'opensubtitles,tvsu
btitles,podnapisi,addic7ed,thesubdb'
-s, --single Download content without the language code in the
subtitle filename.
-b, --basic Do not attempt to parse additional information from
the video file. Running in a basic mode is much faster
but can make it more difficult to determine the
correct subtitle if more then one is matched.
-x PATH1,PATH2,etc, --cross-reference=PATH1,PATH2,etc
Specify an optional list of directories to scan for
subs first before checking on the internet. This is
for directories containing subs (.srt files) that you
have already downloaded ahead of time.
-z SIZE_IN_MB, --minsize=SIZE_IN_MB
Specify the minimum size a video must be to be worthy
of of checking for subtiles. This value is interpreted
in MB (Megabytes) and defaults to 150 MB.
-c MINSCORE, --minscore=MINSCORE
When scoring multiple matched subtitles for a video,
this value identifies the threshold to assume the
subtitle is no good and should be thrown away when
being compared against others. It currently defaults
to 20.
-k, --ignore-embedded
If embedded subtitles were detected, choose not to use
them and continue to search for the subtitles hosted
by the identified provider(s).
-e ENCODING, --force-encoding=ENCODING
Optionally specify the subtitle's file encoding toa
specific type (utf-8, ISO-8859-1, etc). If none is
specified then the file is left as is.
-f, --force Force a download reguardless of the file age. This
switch negates any value specified by the --age (-a)
switch.
-o, --overwrite Overwrite a subtitle in the event one is already
present.
-m MODE, --fetch-mode=MODE
Identify the fetch mode you wish to invoke, the
options are: 'ImpairedOnly', 'StandardOnly',
'BestScore', 'StandardFirst', 'ImpairedFirst'. The
default value is: BestScore
--addic7ed-user=USER Optionally use login credentials when accessing
Addic7ed's server. This option is ignored if the
--addic7ed-pass switch is not specified.
--addic7ed-pass=PASS Optionally use login credentials when accessing
Addic7ed's server. This option is ignored if the
--addic7ed-user switch is not specified.
--opensubs-user=USER Optionally use login credentials when accessing Open
Subtitles's server. This option is ignored if the
--opensubs-pass switch is not specified.
--opensubs-pass=PASS Optionally use login credentials when accessing Open
Subtitles's server. This option is ignored if the
--opensubs-user switch is not specified.
-t, --tidy-subs Post process tidying of subtitle.
-u URL(s), --notify-urls=URL(s)
Specify 1 or more notification URLs in their URL
format ie: growl://mypass@localhost. See
https://github.com/caronc/apprise for more information
on the different kinds of supported Notification URLs.
-T COUNT, --throttle-threshold=COUNT
The threshold defines the number of concurrent
requests made to the remote subtitle websites before a
temporary wait/pause occurs (defined by --throttle).
The goal of the threshold is to prevent one from being
banned for abusing the server (which can happen if you
make to many requests). This setting is ideal for
those users who are scanning and getting subtitles for
a very large media library. Set this value to 0
(zero) if you want to disable this feature. It
currently defaults to 5.
-W SEC, --throttle=SEC
Defines the number of seconds a throttle/block will
occur for when/if a throttle threshold is reached. It
currently defaults to 3.
-L FILE, --logfile=FILE
Send output to the specified logfile instead of
stdout.
-D, --debug Debug Mode
Here is simple example:
# Scan a single directory (recursively) for english subtitles
python Subliminal.py -s -f -S /usr/share/TVShows
# Or just omit the (recently) depricated -S switch to achive the same
# results:
python Subliminal.py -s -f /usr/share/TVShows
You can scan multiple directories with the following command:
# Scan a single directory (recursively) for english subtitles
python Subliminal.py -s -f -S "/usr/share/TVShows, /usr/share/Movies"
# Or just omit the (recently) depricated -S switch to achive the same
# results:
python Subliminal.py -s -f /usr/share/TVShows /usr/share/MoviesAnother nice feature this tool offers is the ability to expire the need to check certain content over and over again. Considering that most of us keep all our videos in one common location. It would be excessive overkill to poll the internet each and every time for each and every file we have (for subtitles) over and over again. We can assume, that if there are no subtitles for a given video within the last 24 hours of it's existance on our system, then there simply aren't going to be any later. I realize this isn't always the case; but for most situations it will be.
In the above examples, I provided a --force (-f) switch which bypasses this feature. But if you want to set up a cron entry to scan your library on a regular basis, this feature can save you time and effort. A cron could be easily configured to scan your library every hour as so:
# $> crontab -e
0 * * * * /path/to/Subliminal.py -s /usr/share/TVShows /usr/share/MoviesIf 24 hours seems to short of a window for you, then just specify the --age (-a) switch and adjust the time to your needs. Remember: it's value is represented in hours.
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