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go-github-ratelimit

Package go-github-ratelimit provides an http.RoundTripper implementation that handles secondary rate limit for the GitHub API.
The RoundTripper waits for the secondary rate limit to finish in a blocking mode and then issues/retries requests.

go-github-ratelimit can be used with any HTTP client communicating with GitHub API.
It is meant to complement go-github, but there is no association between this repository and the go-github repository nor Google.

Installation

go get github.com/gofri/go-github-ratelimit

Usage Example (with go-github)

import "github.com/google/go-github/v58/github"
import "github.com/gofri/go-github-ratelimit/github_ratelimit"

func main() {
  rateLimiter, err := github_ratelimit.NewRateLimitWaiterClient(nil)
  if err != nil {
    panic(err)
  }
  client := github.NewClient(rateLimiter).WithAuthToken("your personal access token")

  // now use the client as you please
}

Client Options

The RoundTripper accepts a set of options to configure its behavior and set callbacks. nil callbacks are treated as no-op.
The options are:

• WithLimitDetectedCallback(callback): the callback is triggered before a sleep.
• WithSingleSleepLimit(duration, callback): limit the sleep duration for a single secondary rate limit & trigger a callback when the limit is exceeded.
• WithTotalSleepLimit(duration, callback): limit the accumulated sleep duration for all secondary rate limits & trigger a callback when the limit is exceeded.

Note: to detect secondary rate limits without sleeping, use WithSingleSleepLimit(0, your_callback_or_nil).

Per-Request Options

Use WithOverrideConfig(opts...) to override the configuration for a specific request (using the request context).
Per-request overrides may be useful for special cases of user requests, as well as fine-grained policy control (e.g., for a sophisticated pagination mechanism).

License

This package is distributed under the MIT license found in the LICENSE file.
Contribution and feedback is welcome.