## Gerenciadores de contexto

### O que são gerenciadores de contexto

"Gerenciadores de Contexto" são qualquer um dos objetos Python que podem ser utilizados com a declaração `with`.

	}
	impersonateConfig := i.getImpersonateConfig()
	rawConfigContexts := maps.Keys(rawConfig.Contexts)
	for _, c := range contexts {
		if !slices.Contains(rawConfigContexts, c) {
			return nil, fmt.Errorf("context %q not found", c)
		}
	}
	var clients []kube.CLIClient
	for _, contextName := range contexts {
		if i.remoteClients[contextName] != nil {
			clients = append(clients, i.remoteClients[contextName])

async def context_a(state: dict = Depends(get_state)):
    state["context_a"] = "started a"
    try:
        yield state
    finally:
        state["context_a"] = "finished a"


async def context_b(state: dict = Depends(context_a)):
    state["context_b"] = "started b"
    try:
        yield state
    finally:
        state["context_b"] = f"finished b with a: {state['context_a']}"

  // Set up distributed execution environment on local and remote tasks.
  // When `reset_context` is true, initialize new cluster context state based
  // on cluster configurations provided in `server_def`; otherwise, update
  // existing context state with the provided `server_def`. Contexts created
  // on remote tasks will be considered stale and garbage collected after
  // `keep_alive_secs` of inactivity.

			content.StorageClass = filterStorageClass(ctx, object.StorageClass)
		} else {
			content.StorageClass = globalMinioDefaultStorageClass
		}
		content.Owner = owner
		contents = append(contents, content)
	}
	data.Name = bucket
	data.Contents = contents

	data.EncodingType = encodingType
	data.Prefix = s3EncodeName(prefix, encodingType)
	data.Marker = s3EncodeName(marker, encodingType)

		return
	}

	// If a specific context was specified, use that. Otherwise, just use the current context from the kube config.
	selectedContext := config.CurrentContext
	if *r.configContext != "" {
		selectedContext = *r.configContext
	}

	// Use the namespace associated with the selected context as default, if the context has one
	context, ok := config.Contexts[selectedContext]
	if !ok {

			t.Fatal(err)
		}
		nextFiles = next
	}

	for _, c := range contexts {
		c.Compiler = build.Default.Compiler
	}

	walkers := make([]*Walker, len(contexts))
	var wg sync.WaitGroup
	for i, context := range contexts {
		i, context := i, context
		wg.Add(1)
		go func() {
			defer wg.Done()
			walkers[i] = NewWalker(context, filepath.Join(testenv.GOROOT(t), "src"))
		}()
	}
	wg.Wait()

  name: {cluster}
contexts:
- context:
    cluster: {cluster}
    user: {cluster}
  name: {cluster}
current-context: {cluster}
kind: Config
preferences: {}
users:
- name: {cluster}
  user:
    token: token
`, "{cluster}", fakeClusterName)

	cases := []struct {
		name               string
		clusterName        string
		context            string
		server             string

# prepare a distroless source context to copy files from
FROM cgr.dev/chainguard/static@sha256:d07036a3beff43183f49bce5b2a0bd945f2ffe6e76f734ebd040059a40d371bc AS distroless_source

# prepare a base dev to modify file contents
FROM ubuntu:noble AS ubuntu_source

# Modify contents of container
COPY --from=distroless_source /etc/ /home/etc
COPY --from=distroless_source /home/nonroot /home/nonroot
RUN echo istio-proxy:x:1337: >> /home/etc/group

        with:
          distribution: temurin
          java-version: 17
      - id: determine-sys-prop-args
        uses: actions/github-script@v7
        with:
          script: |
            if (context.payload.pull_request && context.payload.pull_request.head.repo.fork) {
                core.setOutput('sys-prop-args', '-DagreePublicBuildScanTermOfService=yes -DcacheNode=us --scan')
            } else {