Fix worker to patch matplotlib after runtime installs (#261)

* Fix worker to patch matplotlib after runtime installs * Update CHANGELOG.md
whitphx · Sep 15, 2022 · 3ff0e68 · 3ff0e68
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### `@stlite/stlite-kernel`
+
+#### Changed
+
+- Patch the Matplotlib backend after installing it at runtime, [#261](https://github.com/whitphx/stlite/pull/261).
+
 ## [0.6.0] - 2022-09-01
 
 ### `@stlite/stlite-kernel`

diff --git a/packages/stlite-kernel/src/worker.ts b/packages/stlite-kernel/src/worker.ts
@@ -447,6 +447,13 @@ self.onmessage = async (event: MessageEvent<InMessage>): Promise<void> => {
       console.debug("Install the requirements:", requirements);
       micropip.install
         .callKwargs(requirements, { keep_going: true })
+        .then(() => {
+          if (requirements.includes("matplotlib")) {
+            return pyodide.runPythonAsync(`
+              bootstrap._fix_matplotlib_crash()
+            `);
+          }
+        })
         .then(() => {
           console.debug("Successfully installed");
           messagePort.postMessage({