From 3ccfdff5467f0f28d0f8782b65e073c811d554ca Mon Sep 17 00:00:00 2001
From: Drew O'Meara <drew@plan-systems.org>
Date: Sat, 12 Feb 2022 15:19:46 -0600
Subject: [PATCH 1/2] example completeness -- now calling ctx.Close()

---
 examples/embedding/main.go     | 3 +++
 examples/multi-context/main.go | 3 +++
 main.go                        | 1 +
 3 files changed, 7 insertions(+)

diff --git a/examples/embedding/main.go b/examples/embedding/main.go
index faa5120e..37f34a7f 100644
--- a/examples/embedding/main.go
+++ b/examples/embedding/main.go
@@ -27,6 +27,9 @@ func runWithFile(pyFile string) error {
 
 	// See type Context interface and related docs
 	ctx := py.NewContext(py.DefaultContextOpts())
+	
+	// This drives modules being able to perform cleanup and release resources 
+	defer ctx.Close()
 
 	var err error
 	if len(pyFile) == 0 {
diff --git a/examples/multi-context/main.go b/examples/multi-context/main.go
index 7559d60e..4bbeda8b 100644
--- a/examples/multi-context/main.go
+++ b/examples/multi-context/main.go
@@ -128,6 +128,9 @@ func RunMultiPi(numWorkers, numTimes int) time.Duration {
 				w.ctx.RunCode(jobCode, w.main.Globals, w.main.Globals, nil)
 			}
 			workersRunning.Done()
+
+			// This drives modules being able to perform cleanup and release resources 
+			w.ctx.Close()
 		}()
 	}
 
diff --git a/main.go b/main.go
index 77fe4927..d529646a 100644
--- a/main.go
+++ b/main.go
@@ -48,6 +48,7 @@ func xmain(args []string) {
 	opts := py.DefaultContextOpts()
 	opts.SysArgs = args
 	ctx := py.NewContext(opts)
+	defer ctx.Close()
 
 	if *cpuprofile != "" {
 		f, err := os.Create(*cpuprofile)

From 9b3b8bed213193cf6b092c4fc77d0b84afee119a Mon Sep 17 00:00:00 2001
From: Drew O'Meara <drew@plan-systems.org>
Date: Sat, 12 Feb 2022 15:20:44 -0600
Subject: [PATCH 2/2] now testing py.Context.Close()

---
 examples/embedding/mylib.module.go                   | 3 +++
 examples/embedding/testdata/embedding_out_golden.txt | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/examples/embedding/mylib.module.go b/examples/embedding/mylib.module.go
index 8a848411..4f2842b2 100644
--- a/examples/embedding/mylib.module.go
+++ b/examples/embedding/mylib.module.go
@@ -47,6 +47,9 @@ func init() {
 			"GO_VERSION": py.String(fmt.Sprintf("%s on %s %s", runtime.Version(), runtime.GOOS, runtime.GOARCH)),
 			"MYLIB_VERS": py.String("Vacation 1.0 by Fletch F. Fletcher"),
 		},
+		OnContextClosed: func(instance *py.Module) {
+			fmt.Print("<<< host py.Context of py.Module instance closing >>>\n+++\n")
+		},
 	})
 }
 
diff --git a/examples/embedding/testdata/embedding_out_golden.txt b/examples/embedding/testdata/embedding_out_golden.txt
index c7443e07..445e0a65 100644
--- a/examples/embedding/testdata/embedding_out_golden.txt
+++ b/examples/embedding/testdata/embedding_out_golden.txt
@@ -15,3 +15,5 @@ Spring Break itinerary:
 
 I bet Monaco will be the best!
 
+<<< host py.Context of py.Module instance closing >>>
++++