opensubs
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1.0.0 • Public • Published

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Getting started

Install the module using your package manager of choice:

$ npm install opensubs
$ yarn add opensubs
$ pnpm install opensubs

To start accessing the API, you will need a username, password, and an API key. The key may be created in the consumers section of your profile here. With this, you may now instantiate the OpenSubtitles client:

import { OpenSubtitles } from "opensubs";

const subtitleClient = new OpenSubtitles(
    "username", "password", "key"
);

At this point you're good to go for almost all API calls! Some require the user JWT, so I would recommend calling await subtitleClient.auth.login() to make sure the library updates your credentials. This is all done internally, and you do not have to worry about a thing!

Choosing a server

The constructor accepts a 4th optional argument, which specifies which server to use. The default value is Servers.PRIMARY, however, if you're a VIP user, feel free to pass in Servers.VIP. There's a 3rd option, Servers.MOCK, which tends to be more lenient in terms of data returned and credential + header checks. This could be a useful option if you're stubbing out UIs. Enum may be found here.

A note on API responses

All network responses are wrapped in a Result type - see the source code here. This means that you have several choices in regard to control flow when using opensubs:

// Grab the value directly, will be null if something goes wrong
const { value } = await subtitleClient.info.getSubtitleFormats();

// Alternatively, check for an OK status or error
const formatCall = await subtitleClient.info.getSubtitleFormats();
if (formatCall.ok) {
    // We are, as the hip kids say, Gucci fam
    console.log(formatCall.value);
} else {
    console.log(formatCall.error);
}

Supported calls

This library was developed in accordance to the spec found here, and in addition to this I tried to make sure all function and type comments provided additional clarification. Below is a table listing all the calls opensubs supports and their required parameters.

Library call Params
client.auth.login() N/A
client.auth.logout() N/A
client.discover.getPopularFeatures() languages: string, type: string
client.discover.getLatestSubtitles() languages: string, type: string
client.discover.getMostDownloaded() languages: string, type: string
client.download.requestDownload() RequestDownloadParams
client.features.findFeatures() FindSubtitlesParams
client.info.getSubtitleFormats() N/A
client.info.getLanguages() N/A
client.info.getUserInformation() N/A
client.subtitles.findSubtitles() FindSubtitlesParams
client.utilities.guessIt() filename: string

Testing

The library uses integration tests, and the current setup has room for improvement. Some of the tests are flaky, and the test suites contain a mixture of calls made against the primary and mock servers. If you'd like to run tests locally, you'll need to put your credentials into an .env file first:

cp sample.env .env
# Fill out .env with your credentials
jest # (or run the test command through your package manager)

Upcoming work

In no particular order, here's a list of incoming features:

  • Automatic login: Since some endpoints require a JWT, one will need to explicitly call await myClient.auth.login() to have the CredentialManager populate the JWT field. In the future, an additional flag may be passed during OpenSubtitles() initialization that will automatically perform this call so that one won't have to worry about it.
  • Automatic server selection: Building on top of automatic login, there may be a way to automatically select which server to use for the API calls. I would imagine a failed login attempt to the VIP server would make the library fall back to the primary base URL.
  • Improved error handling: At the very least, I'd love to see descriptive error messages when an API call fails. Checking for response.ok every time may be a pain (or figuring out why value is null).
  • Automatic subtitle download: The requestDownload() endpoint simply returns an information object which contains the temporary download URL for a subtitle file. It would be nice to have opensubs return the raw contents of that file should a download be requested.
  • Improve testing setup: As mentioned in the testing section, some of the tests are flaky and the test suites are mixed - there's some cleanup to do.

Similar Projects

If this wrapper doesn't tickle your fancy, there are several other options out there on GitHub - check them out!

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