Opened https://github.com/golang/oauth2/issues/487 to propose removing the 
`CancelRequest` method.

Cheers,
Andreas

On Friday, March 19, 2021 at 5:44:21 PM UTC+1 cpu...@gmail.com wrote:

> Hi all,
>
> I've recently learned about oauth2 and started to convert some of my 
> "manual" code using net/http to use an  underlying oauth2.Transport for 
> executing authenticated requests and token refresh.
>
> As a result, my application now sometimes shows 
>
>     deprecated: golang.org/x/oauth2: Transport.CancelRequest no longer 
> does anything; use contexts
>
> Of course, I'm nowhere calling that method. Digging into the default HTTP 
> Client (
> https://github.com/golang/go/blob/a937729c2c2f6950a32bc5cd0f5b88700882f078/src/net/http/client.go)
>  
> reads:
>
> // For compatibility, the Client will also use the deprecated
> // CancelRequest method on Transport if found. New
> // RoundTripper implementations should use the Request's Context
> // for cancellation instead of implementing CancelRequest.
> Timeout time.Duration
>
> I would read this as: if you have an http.Client with an underlying 
> oauth2.Transport and the request times out, the oauth2.Transport's 
> CancelRequest method will *always* be called and hence show the undesired 
> warning.
>
> Is that correct?
>
> Thanks,
> Andreas
>

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