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109 lines
3.6 KiB
Markdown
109 lines
3.6 KiB
Markdown
# Google APIs Client Library for Go
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## Getting Started
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```
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$ go get google.golang.org/api/tasks/v1
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$ go get google.golang.org/api/moderator/v1
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$ go get google.golang.org/api/urlshortener/v1
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... etc ...
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```
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and using:
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```go
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package main
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import (
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"net/http"
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"google.golang.org/api/urlshortener/v1"
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)
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func main() {
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svc, err := urlshortener.New(http.DefaultClient)
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// ...
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}
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```
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* For a longer tutorial, see the [Getting Started guide](https://github.com/google/google-api-go-client/blob/master/GettingStarted.md).
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* For examples, see the [examples directory](https://github.com/google/google-api-go-client/tree/master/examples).
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* For support, use the [golang-nuts](https://groups.google.com/group/golang-nuts) mailing list.
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## Status
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[](https://travis-ci.org/google/google-api-go-client)
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[](https://godoc.org/google.golang.org/api)
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These are auto-generated Go libraries from the Google Discovery Service's JSON description files of the available "new style" Google APIs.
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Due to the auto-generated nature of this collection of libraries, complete APIs or specific versions can appear or go away without notice.
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As a result, you should always locally vendor any API(s) that your code relies upon.
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This client library is supported, but in maintenance mode only.
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We are fixing necessary bugs and adding essential features to ensure this
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library continues to meet your needs for accessing Google APIs.
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Non-critical issues will be closed.
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Any issue may be reopened if it is causing ongoing problems.
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If you're working with Google Cloud Platform APIs such as Datastore or Pub/Sub,
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consider using the
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[Cloud Client Libraries for Go](https://github.com/GoogleCloudPlatform/google-cloud-go)
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instead. These are the new and
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idiomatic Go libraries targeted specifically at Google Cloud Platform Services.
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The generator itself and the code it produces are beta. Some APIs are
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alpha/beta, and indicated as such in the import path (e.g.,
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"google.golang.org/api/someapi/v1alpha").
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## Application Default Credentials Example
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Application Default Credentials provide a simplified way to obtain credentials
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for authenticating with Google APIs.
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The Application Default Credentials authenticate as the application itself,
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which make them great for working with Google Cloud APIs like Storage or
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Datastore. They are the recommended form of authentication when building
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applications that run on Google Compute Engine or Google App Engine.
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Default credentials are provided by the `golang.org/x/oauth2/google` package. To use them, add the following import:
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```go
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import "golang.org/x/oauth2/google"
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```
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Some credentials types require you to specify scopes, and service entry points may not inject them. If you encounter this situation you may need to specify scopes as follows:
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```go
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import (
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"golang.org/x/net/context"
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"golang.org/x/oauth2/google"
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"google.golang.org/api/compute/v1"
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)
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func main() {
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// Use oauth2.NoContext if there isn't a good context to pass in.
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ctx := context.Background()
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client, err := google.DefaultClient(ctx, compute.ComputeScope)
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if err != nil {
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//...
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}
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computeService, err := compute.New(client)
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if err != nil {
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//...
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}
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}
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```
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If you need a `oauth2.TokenSource`, use the `DefaultTokenSource` function:
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```go
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ts, err := google.DefaultTokenSource(ctx, scope1, scope2, ...)
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if err != nil {
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//...
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}
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client := oauth2.NewClient(ctx, ts)
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```
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See also: [golang.org/x/oauth2/google](https://godoc.org/golang.org/x/oauth2/google) package documentation.
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