Even better PyEditor offline use case (#2050)

* Even better PyEditor offline use case

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ ci:
 default_stages: [commit]
 repos:
     - repo: https://github.com/pre-commit/pre-commit-hooks
-      rev: v4.5.0
+      rev: v4.6.0
       hooks:
           - id: check-builtin-literals
           - id: check-case-conflict
@@ -25,7 +25,7 @@ repos:
           - id: trailing-whitespace
 
     - repo: https://github.com/psf/black
-      rev: 24.3.0
+      rev: 24.4.2
       hooks:
           - id: black
             exclude: pyscript\.core/src/stdlib/pyscript/__init__\.py

pyscript.core/package-lock.json

@@ -1,38 +1,39 @@
 {
     "name": "@pyscript/core",
-    "version": "0.4.22",
+    "version": "0.4.31",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@pyscript/core",
-            "version": "0.4.22",
+            "version": "0.4.31",
             "license": "APACHE-2.0",
             "dependencies": {
                 "@ungap/with-resolvers": "^0.1.0",
                 "basic-devtools": "^0.1.6",
-                "polyscript": "^0.12.6",
+                "polyscript": "^0.12.8",
                 "sticky-module": "^0.1.1",
                 "to-json-callback": "^0.1.1",
                 "type-checked-collections": "^0.1.7"
             },
             "devDependencies": {
                 "@codemirror/commands": "^6.5.0",
-                "@codemirror/lang-python": "^6.1.5",
+                "@codemirror/lang-python": "^6.1.6",
                 "@codemirror/language": "^6.10.1",
                 "@codemirror/state": "^6.4.1",
                 "@codemirror/view": "^6.26.3",
-                "@playwright/test": "^1.43.1",
+                "@playwright/test": "^1.44.0",
                 "@rollup/plugin-commonjs": "^25.0.7",
                 "@rollup/plugin-node-resolve": "^15.2.3",
                 "@rollup/plugin-terser": "^0.4.4",
                 "@webreflection/toml-j0.4": "^1.1.3",
                 "@xterm/addon-fit": "^0.10.0",
                 "@xterm/addon-web-links": "^0.11.0",
+                "bun": "^1.1.7",
                 "chokidar": "^3.6.0",
                 "codemirror": "^6.0.1",
-                "eslint": "^9.1.1",
+                "eslint": "^9.2.0",
-                "rollup": "^4.16.4",
+                "rollup": "^4.17.2",
                 "rollup-plugin-postcss": "^4.0.2",
                 "rollup-plugin-string": "^3.0.0",
                 "static-handler": "^0.4.3",
@@ -81,9 +82,9 @@
             }
         },
         "node_modules/@codemirror/lang-python": {
-            "version": "6.1.5",
+            "version": "6.1.6",
-            "resolved": "https://registry.npmjs.org/@codemirror/lang-python/-/lang-python-6.1.5.tgz",
+            "resolved": "https://registry.npmjs.org/@codemirror/lang-python/-/lang-python-6.1.6.tgz",
-            "integrity": "sha512-hCm+8X6wrnXJCGf+QhmFu1AXkdTVG7dHy0Ly6SI1N3SRPptaMvwX6oNQonOXOMPvmcjiB0xq342KAxX3BYpijw==",
+            "integrity": "sha512-ai+01WfZhWqM92UqjnvorkxosZ2aq2u28kHvr+N3gu012XqY2CThD67JPMHnGceRfXPDBmn1HnyqowdpF57bNg==",
             "dev": true,
             "dependencies": {
                 "@codemirror/autocomplete": "^6.3.2",
@@ -194,9 +195,9 @@
             }
         },
         "node_modules/@eslint/js": {
-            "version": "9.1.1",
+            "version": "9.2.0",
-            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.1.1.tgz",
+            "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.2.0.tgz",
-            "integrity": "sha512-5WoDz3Y19Bg2BnErkZTp0en+c/i9PvgFS7MBe1+m60HjFr0hrphlAGp4yzI7pxpt4xShln4ZyYp4neJm8hmOkQ==",
+            "integrity": "sha512-ESiIudvhoYni+MdsI8oD7skpprZ89qKocwRM2KEvhhBJ9nl5MRh7BXU5GTod7Mdygq+AUl+QzId6iWJKR/wABA==",
             "dev": true,
             "engines": {
                 "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -376,13 +377,117 @@
                 "node": ">= 8"
             }
         },
+        "node_modules/@oven/bun-darwin-aarch64": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-aarch64/-/bun-darwin-aarch64-1.1.7.tgz",
+            "integrity": "sha512-6xH96IjcQlnbsGziUELOhewuobKyzcc+/mV1fSQkY8+c5crgca1nnArS8ja7GaduDWCGuSvMiURFUtf/EAZYtg==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "darwin"
+            ]
+        },
+        "node_modules/@oven/bun-darwin-x64": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64/-/bun-darwin-x64-1.1.7.tgz",
+            "integrity": "sha512-VL0yT0rfdxU3NHts5aGjve1ui977BDJ9xb1Obw0LALWL4EzgQbiF8q8nUE6B25LwrQLzydUNTgMY0YYVLR2UkA==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "darwin"
+            ]
+        },
+        "node_modules/@oven/bun-darwin-x64-baseline": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-darwin-x64-baseline/-/bun-darwin-x64-baseline-1.1.7.tgz",
+            "integrity": "sha512-oMKWmT5lqrnew/cmB+Mmuy/X7X0dBXnyJgsPp1RmV665u7UlNgRGncXhaW/EXlPJk4vaXh6UQQ8bLlg6mnQNgg==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "darwin"
+            ]
+        },
+        "node_modules/@oven/bun-linux-aarch64": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-aarch64/-/bun-linux-aarch64-1.1.7.tgz",
+            "integrity": "sha512-/oVeD+f4S2tfIoKXVALuQv68k9O/91aMRCJ8+TlnVvZgZEpE6xdtbrSa+iP1wbAvBUy9ags0AgQOJg1QJzK/ow==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "linux"
+            ]
+        },
+        "node_modules/@oven/bun-linux-x64": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64/-/bun-linux-x64-1.1.7.tgz",
+            "integrity": "sha512-b+yTqZREacwPXcsg6/ps+qAZ/rlyuRztzptX6oNnc42+xd7BpdvKpdu2p8hbN0IoKBMqlAqFedffxFimIOMWFA==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "linux"
+            ]
+        },
+        "node_modules/@oven/bun-linux-x64-baseline": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-linux-x64-baseline/-/bun-linux-x64-baseline-1.1.7.tgz",
+            "integrity": "sha512-JklT4tgXi83nDyPLcWEfHxLKQnJdtpHG9sSOxpke6TlBwnj84lXbZ+CWhQL/aL9ye1lCTUjEIEbbZph8IhWlWg==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "linux"
+            ]
+        },
+        "node_modules/@oven/bun-windows-x64": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64/-/bun-windows-x64-1.1.7.tgz",
+            "integrity": "sha512-y8qrlwv09UIYKEm9+X1KzHHtaudWWWn7GGwSqCT6c7XYfR70fbnriyCm2i0qUAUTmgtuhY7dwFtAKf1UkQJ2SQ==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "win32"
+            ]
+        },
+        "node_modules/@oven/bun-windows-x64-baseline": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/@oven/bun-windows-x64-baseline/-/bun-windows-x64-baseline-1.1.7.tgz",
+            "integrity": "sha512-DkclScCfTR8YsNMATn2WVqbIf8cyD/UhIdFa4/R0Qsf+C1BB9jPquXoogSrAUJJyPMSbkBf2KshlROiFjYrjkw==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "optional": true,
+            "os": [
+                "win32"
+            ]
+        },
         "node_modules/@playwright/test": {
-            "version": "1.43.1",
+            "version": "1.44.0",
-            "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.43.1.tgz",
+            "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.44.0.tgz",
-            "integrity": "sha512-HgtQzFgNEEo4TE22K/X7sYTYNqEMMTZmFS8kTq6m8hXj+m1D8TgwgIbumHddJa9h4yl4GkKb8/bgAl2+g7eDgA==",
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             "dev": true,
             "dependencies": {
-                "playwright": "1.43.1"
+                "playwright": "1.44.0"
             },
             "bin": {
                 "playwright": "cli.js"
@@ -486,9 +591,9 @@
             }
         },
         "node_modules/@rollup/rollup-android-arm-eabi": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.17.2.tgz",
-            "integrity": "sha512-GkhjAaQ8oUTOKE4g4gsZ0u8K/IHU1+2WQSgS1TwTcYvL+sjbaQjNHFXbOJ6kgqGHIO1DfUhI/Sphi9GkRT9K+Q==",
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             "cpu": [
                 "arm"
             ],
@@ -499,9 +604,9 @@
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         },
         "node_modules/@rollup/rollup-android-arm64": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.17.2.tgz",
-            "integrity": "sha512-Bvm6D+NPbGMQOcxvS1zUl8H7DWlywSXsphAeOnVeiZLQ+0J6Is8T7SrjGTH29KtYkiY9vld8ZnpV3G2EPbom+w==",
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             "cpu": [
                 "arm64"
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@@ -512,9 +617,9 @@
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         },
         "node_modules/@rollup/rollup-darwin-arm64": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.17.2.tgz",
-            "integrity": "sha512-i5d64MlnYBO9EkCOGe5vPR/EeDwjnKOGGdd7zKFhU5y8haKhQZTN2DgVtpODDMxUr4t2K90wTUJg7ilgND6bXw==",
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             "cpu": [
                 "arm64"
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@@ -525,9 +630,9 @@
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         "node_modules/@rollup/rollup-darwin-x64": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.17.2.tgz",
-            "integrity": "sha512-WZupV1+CdUYehaZqjaFTClJI72fjJEgTXdf4NbW69I9XyvdmztUExBtcI2yIIU6hJtYvtwS6pkTkHJz+k08mAQ==",
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             "cpu": [
                 "x64"
             ],
@@ -538,9 +643,9 @@
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         },
         "node_modules/@rollup/rollup-linux-arm-gnueabihf": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.17.2.tgz",
-            "integrity": "sha512-ADm/xt86JUnmAfA9mBqFcRp//RVRt1ohGOYF6yL+IFCYqOBNwy5lbEK05xTsEoJq+/tJzg8ICUtS82WinJRuIw==",
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             ],
@@ -551,9 +656,9 @@
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         },
         "node_modules/@rollup/rollup-linux-arm-musleabihf": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.17.2.tgz",
-            "integrity": "sha512-tJfJaXPiFAG+Jn3cutp7mCs1ePltuAgRqdDZrzb1aeE3TktWWJ+g7xK9SNlaSUFw6IU4QgOxAY4rA+wZUT5Wfg==",
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             ],
@@ -564,9 +669,9 @@
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         },
         "node_modules/@rollup/rollup-linux-arm64-gnu": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.17.2.tgz",
-            "integrity": "sha512-7dy1BzQkgYlUTapDTvK997cgi0Orh5Iu7JlZVBy1MBURk7/HSbHkzRnXZa19ozy+wwD8/SlpJnOOckuNZtJR9w==",
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             "cpu": [
                 "arm64"
             ],
@@ -577,9 +682,9 @@
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         },
         "node_modules/@rollup/rollup-linux-arm64-musl": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.17.2.tgz",
-            "integrity": "sha512-zsFwdUw5XLD1gQe0aoU2HVceI6NEW7q7m05wA46eUAyrkeNYExObfRFQcvA6zw8lfRc5BHtan3tBpo+kqEOxmg==",
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             "cpu": [
                 "arm64"
             ],
@@ -590,9 +695,9 @@
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         },
         "node_modules/@rollup/rollup-linux-powerpc64le-gnu": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-powerpc64le-gnu/-/rollup-linux-powerpc64le-gnu-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-powerpc64le-gnu/-/rollup-linux-powerpc64le-gnu-4.17.2.tgz",
-            "integrity": "sha512-p8C3NnxXooRdNrdv6dBmRTddEapfESEUflpICDNKXpHvTjRRq1J82CbU5G3XfebIZyI3B0s074JHMWD36qOW6w==",
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             "cpu": [
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@@ -603,9 +708,9 @@
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         },
         "node_modules/@rollup/rollup-linux-riscv64-gnu": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-gnu/-/rollup-linux-riscv64-gnu-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-gnu/-/rollup-linux-riscv64-gnu-4.17.2.tgz",
-            "integrity": "sha512-Lh/8ckoar4s4Id2foY7jNgitTOUQczwMWNYi+Mjt0eQ9LKhr6sK477REqQkmy8YHY3Ca3A2JJVdXnfb3Rrwkng==",
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@@ -616,9 +721,9 @@
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         "node_modules/@rollup/rollup-linux-s390x-gnu": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-s390x-gnu/-/rollup-linux-s390x-gnu-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-s390x-gnu/-/rollup-linux-s390x-gnu-4.17.2.tgz",
-            "integrity": "sha512-1xwwn9ZCQYuqGmulGsTZoKrrn0z2fAur2ujE60QgyDpHmBbXbxLaQiEvzJWDrscRq43c8DnuHx3QorhMTZgisQ==",
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             "cpu": [
                 "s390x"
             ],
@@ -629,9 +734,9 @@
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         },
         "node_modules/@rollup/rollup-linux-x64-gnu": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.17.2.tgz",
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@@ -642,9 +747,9 @@
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         },
         "node_modules/@rollup/rollup-linux-x64-musl": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.17.2.tgz",
-            "integrity": "sha512-ch86i7KkJKkLybDP2AtySFTRi5fM3KXp0PnHocHuJMdZwu7BuyIKi35BE9guMlmTpwwBTB3ljHj9IQXnTCD0vA==",
+            "integrity": "sha512-h1+yTWeYbRdAyJ/jMiVw0l6fOOm/0D1vNLui9iPuqgRGnXA0u21gAqOyB5iHjlM9MMfNOm9RHCQ7zLIzT0x11Q==",
             "cpu": [
                 "x64"
             ],
@@ -655,9 +760,9 @@
             ]
         },
         "node_modules/@rollup/rollup-win32-arm64-msvc": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.17.2.tgz",
-            "integrity": "sha512-Ma4PwyLfOWZWayfEsNQzTDBVW8PZ6TUUN1uFTBQbF2Chv/+sjenE86lpiEwj2FiviSmSZ4Ap4MaAfl1ciF4aSA==",
+            "integrity": "sha512-tmdtXMfKAjy5+IQsVtDiCfqbynAQE/TQRpWdVataHmhMb9DCoJxp9vLcCBjEQWMiUYxO1QprH/HbY9ragCEFLA==",
             "cpu": [
                 "arm64"
             ],
@@ -668,9 +773,9 @@
             ]
         },
         "node_modules/@rollup/rollup-win32-ia32-msvc": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-ia32-msvc/-/rollup-win32-ia32-msvc-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-ia32-msvc/-/rollup-win32-ia32-msvc-4.17.2.tgz",
-            "integrity": "sha512-9m/ZDrQsdo/c06uOlP3W9G2ENRVzgzbSXmXHT4hwVaDQhYcRpi9bgBT0FTG9OhESxwK0WjQxYOSfv40cU+T69w==",
+            "integrity": "sha512-7II/QCSTAHuE5vdZaQEwJq2ZACkBpQDOmQsE6D6XUbnBHW8IAhm4eTufL6msLJorzrHDFv3CF8oCA/hSIRuZeQ==",
             "cpu": [
                 "ia32"
             ],
@@ -681,9 +786,9 @@
             ]
         },
         "node_modules/@rollup/rollup-win32-x64-msvc": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.17.2.tgz",
-            "integrity": "sha512-YunpoOAyGLDseanENHmbFvQSfVL5BxW3k7hhy0eN4rb3gS/ct75dVD0EXOWIqFT/nE8XYW6LP6vz6ctKRi0k9A==",
+            "integrity": "sha512-TGGO7v7qOq4CYmSBVEYpI1Y5xDuCEnbVC5Vth8mOsW0gDSzxNrVERPc790IGHsrT2dQSimgMr9Ub3Y1Jci5/8w==",
             "cpu": [
                 "x64"
             ],
@@ -938,6 +1043,36 @@
                 "url": "https://github.com/sponsors/sindresorhus"
             }
         },
+        "node_modules/bun": {
+            "version": "1.1.7",
+            "resolved": "https://registry.npmjs.org/bun/-/bun-1.1.7.tgz",
+            "integrity": "sha512-4Q/ySjXfSTOsehxektQuo376FfI/QMPSjnsBAwQAZsRFW37Hb8IdctOABDEBQcrYmiwgDGKlgdWTQ8/5H0N2ww==",
+            "cpu": [
+                "arm64",
+                "x64"
+            ],
+            "dev": true,
+            "hasInstallScript": true,
+            "os": [
+                "darwin",
+                "linux",
+                "win32"
+            ],
+            "bin": {
+                "bun": "bin/bun.exe",
+                "bunx": "bin/bun.exe"
+            },
+            "optionalDependencies": {
+                "@oven/bun-darwin-aarch64": "1.1.7",
+                "@oven/bun-darwin-x64": "1.1.7",
+                "@oven/bun-darwin-x64-baseline": "1.1.7",
+                "@oven/bun-linux-aarch64": "1.1.7",
+                "@oven/bun-linux-x64": "1.1.7",
+                "@oven/bun-linux-x64-baseline": "1.1.7",
+                "@oven/bun-windows-x64": "1.1.7",
+                "@oven/bun-windows-x64-baseline": "1.1.7"
+            }
+        },
         "node_modules/callsites": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1413,15 +1548,15 @@
             }
         },
         "node_modules/eslint": {
-            "version": "9.1.1",
+            "version": "9.2.0",
-            "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.1.1.tgz",
+            "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.2.0.tgz",
-            "integrity": "sha512-b4cRQ0BeZcSEzPpY2PjFY70VbO32K7BStTGtBsnIGdTSEEQzBi8hPBcGQmTG2zUvFr9uLe0TK42bw8YszuHEqg==",
+            "integrity": "sha512-0n/I88vZpCOzO+PQpt0lbsqmn9AsnsJAQseIqhZFI8ibQT0U1AkEKRxA3EVMos0BoHSXDQvCXY25TUjB5tr8Og==",
             "dev": true,
             "dependencies": {
                 "@eslint-community/eslint-utils": "^4.2.0",
                 "@eslint-community/regexpp": "^4.6.1",
                 "@eslint/eslintrc": "^3.0.2",
-                "@eslint/js": "9.1.1",
+                "@eslint/js": "9.2.0",
                 "@humanwhocodes/config-array": "^0.13.0",
                 "@humanwhocodes/module-importer": "^1.0.1",
                 "@humanwhocodes/retry": "^0.2.3",
@@ -2421,12 +2556,12 @@
             "integrity": "sha512-yyVAOFKTAElc7KdLt2+UKGExNYwYb/Y/WE9i+1ezCQsJE8gbKSjewfpRqK2nQgZ4d4hhAAGgDCOcIZVilqE5UA=="
         },
         "node_modules/playwright": {
-            "version": "1.43.1",
+            "version": "1.44.0",
-            "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.43.1.tgz",
+            "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.44.0.tgz",
-            "integrity": "sha512-V7SoH0ai2kNt1Md9E3Gwas5B9m8KR2GVvwZnAI6Pg0m3sh7UvgiYhRrhsziCmqMJNouPckiOhk8T+9bSAK0VIA==",
+            "integrity": "sha512-F9b3GUCLQ3Nffrfb6dunPOkE5Mh68tR7zN32L4jCk4FjQamgesGay7/dAAe1WaMEGV04DkdJfcJzjoCKygUaRQ==",
             "dev": true,
             "dependencies": {
-                "playwright-core": "1.43.1"
+                "playwright-core": "1.44.0"
             },
             "bin": {
                 "playwright": "cli.js"
@@ -2439,9 +2574,9 @@
             }
         },
         "node_modules/playwright-core": {
-            "version": "1.43.1",
+            "version": "1.44.0",
-            "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.43.1.tgz",
+            "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.44.0.tgz",
-            "integrity": "sha512-EI36Mto2Vrx6VF7rm708qSnesVQKbxEWvPrfA1IPY6HgczBplDx7ENtx+K2n4kJ41sLLkuGfmb0ZLSSXlDhqPg==",
+            "integrity": "sha512-ZTbkNpFfYcGWohvTTl+xewITm7EOuqIqex0c7dNZ+aXsbrLj0qI8XlGKfPpipjm0Wny/4Lt4CJsWJk1stVS5qQ==",
             "dev": true,
             "bin": {
                 "playwright-core": "cli.js"
@@ -2465,9 +2600,9 @@
             }
         },
         "node_modules/polyscript": {
-            "version": "0.12.6",
+            "version": "0.12.8",
-            "resolved": "https://registry.npmjs.org/polyscript/-/polyscript-0.12.6.tgz",
+            "resolved": "https://registry.npmjs.org/polyscript/-/polyscript-0.12.8.tgz",
-            "integrity": "sha512-tvVuPp+ygyDSqtLiNbbGZRUHvBz594xAao0bq0fg6JYcnidmuhZhgFiwwMC3tw/eJKKlBPKKc60UnYr6lvNH4A==",
+            "integrity": "sha512-kcG3W9jU/s1sYjWOTAa2jAh5D2jm3zJRi+glSTsC+lA3D1b/Sd67pEIGpyL9bWNKYSimqAx4se6jAhQjJZ7+jQ==",
             "dependencies": {
                 "@ungap/structured-clone": "^1.2.0",
                 "@ungap/with-resolvers": "^0.1.0",
@@ -3152,9 +3287,9 @@
             }
         },
         "node_modules/rollup": {
-            "version": "4.16.4",
+            "version": "4.17.2",
-            "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.16.4.tgz",
+            "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.17.2.tgz",
-            "integrity": "sha512-kuaTJSUbz+Wsb2ATGvEknkI12XV40vIiHmLuFlejoo7HtDok/O5eDDD0UpCVY5bBX5U5RYo8wWP83H7ZsqVEnA==",
+            "integrity": "sha512-/9ClTJPByC0U4zNLowV1tMBe8yMEAxewtR3cUNX5BoEpGH3dQEWpJLr6CLp0fPdYRF/fzVOgvDb1zXuakwF5kQ==",
             "dev": true,
             "dependencies": {
                 "@types/estree": "1.0.5"
@@ -3167,22 +3302,22 @@
                 "npm": ">=8.0.0"
             },
             "optionalDependencies": {
-                "@rollup/rollup-android-arm-eabi": "4.16.4",
+                "@rollup/rollup-android-arm-eabi": "4.17.2",
-                "@rollup/rollup-android-arm64": "4.16.4",
+                "@rollup/rollup-android-arm64": "4.17.2",
-                "@rollup/rollup-darwin-arm64": "4.16.4",
+                "@rollup/rollup-darwin-arm64": "4.17.2",
-                "@rollup/rollup-darwin-x64": "4.16.4",
+                "@rollup/rollup-darwin-x64": "4.17.2",
-                "@rollup/rollup-linux-arm-gnueabihf": "4.16.4",
+                "@rollup/rollup-linux-arm-gnueabihf": "4.17.2",
-                "@rollup/rollup-linux-arm-musleabihf": "4.16.4",
+                "@rollup/rollup-linux-arm-musleabihf": "4.17.2",
-                "@rollup/rollup-linux-arm64-gnu": "4.16.4",
+                "@rollup/rollup-linux-arm64-gnu": "4.17.2",
-                "@rollup/rollup-linux-arm64-musl": "4.16.4",
+                "@rollup/rollup-linux-arm64-musl": "4.17.2",
-                "@rollup/rollup-linux-powerpc64le-gnu": "4.16.4",
+                "@rollup/rollup-linux-powerpc64le-gnu": "4.17.2",
-                "@rollup/rollup-linux-riscv64-gnu": "4.16.4",
+                "@rollup/rollup-linux-riscv64-gnu": "4.17.2",
-                "@rollup/rollup-linux-s390x-gnu": "4.16.4",
+                "@rollup/rollup-linux-s390x-gnu": "4.17.2",
-                "@rollup/rollup-linux-x64-gnu": "4.16.4",
+                "@rollup/rollup-linux-x64-gnu": "4.17.2",
-                "@rollup/rollup-linux-x64-musl": "4.16.4",
+                "@rollup/rollup-linux-x64-musl": "4.17.2",
-                "@rollup/rollup-win32-arm64-msvc": "4.16.4",
+                "@rollup/rollup-win32-arm64-msvc": "4.17.2",
-                "@rollup/rollup-win32-ia32-msvc": "4.16.4",
+                "@rollup/rollup-win32-ia32-msvc": "4.17.2",
-                "@rollup/rollup-win32-x64-msvc": "4.16.4",
+                "@rollup/rollup-win32-x64-msvc": "4.17.2",
                 "fsevents": "~2.3.2"
             }
         },

pyscript.core/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@pyscript/core",
-    "version": "0.4.22",
+    "version": "0.4.31",
     "type": "module",
     "description": "PyScript",
     "module": "./index.js",
@@ -26,7 +26,8 @@
         "build:stdlib": "node rollup/stdlib.cjs",
         "build:3rd-party": "node rollup/3rd-party.cjs",
         "clean:3rd-party": "rm src/3rd-party/*.js && rm src/3rd-party/*.css",
-        "test:mpy": "static-handler --coi . 2>/dev/null & SH_PID=$!; EXIT_CODE=0; playwright test --fully-parallel test/ || EXIT_CODE=$?; kill $SH_PID 2>/dev/null; exit $EXIT_CODE",
+        "test:mpy": "static-handler --coi . 2>/dev/null & SH_PID=$!; EXIT_CODE=0; playwright test --fully-parallel test/mpy.spec.js || EXIT_CODE=$?; kill $SH_PID 2>/dev/null; exit $EXIT_CODE",
+        "test:ws": "bun test/ws/index.js & playwright test test/ws.spec.js",
         "dev": "node dev.cjs",
         "release": "npm run build && npm run zip",
         "size": "echo -e \"\\033[1mdist/*.js file size\\033[0m\"; for js in $(ls dist/*.js); do cat $js | brotli > ._; echo -e \"\\033[2m$js:\\033[0m $(du -h --apparent-size ._ | sed -e 's/[[:space:]]*._//')\"; rm ._; done",
@@ -42,28 +43,29 @@
     "dependencies": {
         "@ungap/with-resolvers": "^0.1.0",
         "basic-devtools": "^0.1.6",
-        "polyscript": "^0.12.6",
+        "polyscript": "^0.12.8",
         "sticky-module": "^0.1.1",
         "to-json-callback": "^0.1.1",
         "type-checked-collections": "^0.1.7"
     },
     "devDependencies": {
         "@codemirror/commands": "^6.5.0",
-        "@codemirror/lang-python": "^6.1.5",
+        "@codemirror/lang-python": "^6.1.6",
         "@codemirror/language": "^6.10.1",
         "@codemirror/state": "^6.4.1",
         "@codemirror/view": "^6.26.3",
-        "@playwright/test": "^1.43.1",
+        "@playwright/test": "^1.44.0",
         "@rollup/plugin-commonjs": "^25.0.7",
         "@rollup/plugin-node-resolve": "^15.2.3",
         "@rollup/plugin-terser": "^0.4.4",
         "@webreflection/toml-j0.4": "^1.1.3",
         "@xterm/addon-fit": "^0.10.0",
         "@xterm/addon-web-links": "^0.11.0",
+        "bun": "^1.1.7",
         "chokidar": "^3.6.0",
         "codemirror": "^6.0.1",
-        "eslint": "^9.1.1",
+        "eslint": "^9.2.0",
-        "rollup": "^4.16.4",
+        "rollup": "^4.17.2",
         "rollup-plugin-postcss": "^4.0.2",
         "rollup-plugin-string": "^3.0.0",
         "static-handler": "^0.4.3",

pyscript.core/src/core.js

@@ -84,6 +84,9 @@ export {
     exportedWhenDefined as whenDefined,
 };
 
+export const offline_interpreter = (config) =>
+    config?.interpreter && new URL(config.interpreter, location.href).href;
+
 const hooked = new Map();
 
 for (const [TYPE, interpreter] of TYPES) {
@@ -294,7 +297,7 @@ for (const [TYPE, interpreter] of TYPES) {
                 interpreter,
                 hooks,
                 env: `${TYPE}-script`,
-                version: config?.interpreter,
+                version: offline_interpreter(config),
                 onerror(error, element) {
                     errors.set(element, error);
                 },

pyscript.core/src/plugins/py-editor.js

@@ -1,6 +1,6 @@
 // PyScript py-editor plugin
 import { Hook, XWorker, dedent } from "polyscript/exports";
-import { TYPES, stdlib } from "../core.js";
+import { TYPES, offline_interpreter, stdlib } from "../core.js";
 
 const RUN_BUTTON = `<svg style="height:20px;width:20px;vertical-align:-.125em;transform-origin:center;overflow:visible;color:green" viewBox="0 0 384 512" aria-hidden="true" role="img" xmlns="http://www.w3.org/2000/svg"><g transform="translate(192 256)" transform-origin="96 0"><g transform="translate(0,0) scale(1,1)"><path d="M361 215C375.3 223.8 384 239.3 384 256C384 272.7 375.3 288.2 361 296.1L73.03 472.1C58.21 482 39.66 482.4 24.52 473.9C9.377 465.4 0 449.4 0 432V80C0 62.64 9.377 46.63 24.52 38.13C39.66 29.64 58.21 29.99 73.03 39.04L361 215z" fill="currentColor" transform="translate(-192 -256)"></path></g></g></svg>`;
 
@@ -42,6 +42,7 @@ async function execute({ currentTarget }) {
                 ? await import(/* webpackIgnore: true */ "../3rd-party/toml.js")
                 : JSON;
             details.config = parse(await fetch(config).then((r) => r.text()));
+            details.version = offline_interpreter(details.config);
         }
 
         const xworker = XWorker.call(new Hook(null, hooks), srcLink, details);

pyscript.core/src/stdlib/pyscript/__init__.py

@@ -34,12 +34,14 @@ from pyscript.fetch import fetch
 from pyscript.magic_js import (
     RUNNING_IN_WORKER,
     PyWorker,
+    config,
     current_target,
     document,
     js_modules,
     sync,
     window,
 )
+from pyscript.websocket import WebSocket
 
 try:
     from pyscript.event_handling import when

pyscript.core/src/stdlib/pyscript/fetch.py

@@ -1,6 +1,7 @@
 import json
 
 import js
+from pyscript.util import as_bytearray
 
 
 ### wrap the response to grant Pythonic results
@@ -12,14 +13,6 @@ class _Response:
     def __getattr__(self, attr):
         return getattr(self._response, attr)
 
-    def _as_bytearray(self, buffer):
-        ui8a = js.Uint8Array.new(buffer)
-        size = ui8a.length
-        ba = bytearray(size)
-        for i in range(0, size):
-            ba[i] = ui8a[i]
-        return ba
-
     # exposed methods with Pythonic results
     async def arrayBuffer(self):
         buffer = await self._response.arrayBuffer()
@@ -27,14 +20,14 @@ class _Response:
         if hasattr(buffer, "to_py"):
             return buffer.to_py()
         # shims in MicroPython
-        return memoryview(self._as_bytearray(buffer))
+        return memoryview(as_bytearray(buffer))
 
     async def blob(self):
         return await self._response.blob()
 
     async def bytearray(self):
         buffer = await self._response.arrayBuffer()
-        return self._as_bytearray(buffer)
+        return as_bytearray(buffer)
 
     async def json(self):
         return json.loads(await self.text())

pyscript.core/src/stdlib/pyscript/magic_js.py

@@ -1,11 +1,15 @@
+import json
 import sys
 
 import js as globalThis
+from polyscript import config as _config
 from polyscript import js_modules
 from pyscript.util import NotSupported
 
 RUNNING_IN_WORKER = not hasattr(globalThis, "document")
 
+config = json.loads(globalThis.JSON.stringify(_config))
+
 
 # allow `from pyscript.js_modules.xxx import yyy`
 class JSModule:

pyscript.core/src/stdlib/pyscript/util.py

@@ -1,3 +1,15 @@
+import js
+
+
+def as_bytearray(buffer):
+    ui8a = js.Uint8Array.new(buffer)
+    size = ui8a.length
+    ba = bytearray(size)
+    for i in range(0, size):
+        ba[i] = ui8a[i]
+    return ba
+
+
 class NotSupported:
     """
     Small helper that raises exceptions if you try to get/set any attribute on

pyscript.core/src/stdlib/pyscript/websocket.py

@@ -0,0 +1,67 @@
+import js
+from pyscript.util import as_bytearray
+
+code = "code"
+protocols = "protocols"
+reason = "reason"
+
+
+class EventMessage:
+    def __init__(self, event):
+        self._event = event
+
+    def __getattr__(self, attr):
+        value = getattr(self._event, attr)
+
+        if attr == "data" and not isinstance(value, str):
+            if hasattr(value, "to_py"):
+                return value.to_py()
+            # shims in MicroPython
+            return memoryview(as_bytearray(value))
+
+        return value
+
+
+class WebSocket(object):
+    CONNECTING = 0
+    OPEN = 1
+    CLOSING = 2
+    CLOSED = 3
+
+    def __init__(self, **kw):
+        url = kw["url"]
+        if protocols in kw:
+            socket = js.WebSocket.new(url, kw[protocols])
+        else:
+            socket = js.WebSocket.new(url)
+        object.__setattr__(self, "_ws", socket)
+
+        for t in ["onclose", "onerror", "onmessage", "onopen"]:
+            if t in kw:
+                socket[t] = kw[t]
+
+    def __getattr__(self, attr):
+        return getattr(self._ws, attr)
+
+    def __setattr__(self, attr, value):
+        if attr == "onmessage":
+            self._ws[attr] = lambda e: value(EventMessage(e))
+        else:
+            self._ws[attr] = value
+
+    def close(self, **kw):
+        if code in kw and reason in kw:
+            self._ws.close(kw[code], kw[reason])
+        elif code in kw:
+            self._ws.close(kw[code])
+        else:
+            self._ws.close()
+
+    def send(self, data):
+        if isinstance(data, str):
+            self._ws.send(data)
+        else:
+            buffer = js.Uint8Array.new(len(data))
+            for pos, b in enumerate(data):
+                buffer[pos] = b
+            self._ws.send(buffer)

pyscript.core/test/config-url.html

@@ -8,9 +8,17 @@
   <script type="module" src="../dist/core.js"></script>
   <mpy-config src="config-url/config.json"></mpy-config>
   <script type="mpy">
+    from pyscript import config
+    if config["files"]["{TO}"] != "./runtime":
+        raise Exception("wrong config tree")
+
     from runtime import test
   </script>
   <script type="mpy" worker>
+    from pyscript import config
+    if config["files"]["{TO}"] != "./runtime":
+        raise Exception("wrong config tree")
+
     from runtime import test
   </script>
 </head>

pyscript.core/test/ws.spec.js

@@ -0,0 +1,6 @@
+import { test, expect } from '@playwright/test';
+
+test('MicroPython WebSocket', async ({ page }) => {
+  await page.goto('http://localhost:5037/');
+  await page.waitForSelector('html.ok');
+});

pyscript.core/test/ws/index.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <link rel="stylesheet" href="../../dist/core.css">
+  <script type="module" src="../../dist/core.js"></script>
+</head>
+<body>
+  <script type="mpy" worker>
+    from pyscript import WebSocket, document
+
+    def onopen(event):
+        print(event.type)
+        ws.send("hello")
+
+    def onmessage(event):
+        print(event.type, event.data)
+        ws.close()
+
+    def onclose(event):
+        print(event.type)
+        document.documentElement.classList.add("ok")
+
+    ws = WebSocket(
+      url="ws://localhost:5037/",
+      onopen=onopen,
+      onmessage=onmessage,
+      onclose=onclose
+    )
+  </script>
+</body>
+</html>

pyscript.core/test/ws/index.js

@@ -0,0 +1,33 @@
+import { serve, file } from 'bun';
+
+import path, { dirname, join } from 'path';
+import { fileURLToPath } from 'url';
+
+const dir = dirname(fileURLToPath(import.meta.url));
+
+serve({
+  port: 5037,
+  fetch(req, server) {
+    if (server.upgrade(req)) return;
+    const url = new URL(req.url);
+    let { pathname } = url;
+    if (pathname === '/') pathname = '/index.html';
+    else if (/^\/dist\//.test(pathname)) pathname = `/../..${pathname}`;
+    else if (pathname === '/favicon.ico')
+      return new Response('Not Found', { status: 404 });
+    const response = new Response(file(`${dir}${pathname}`));
+    const { headers } = response;
+    headers.set('Cross-Origin-Opener-Policy', 'same-origin');
+    headers.set('Cross-Origin-Embedder-Policy', 'require-corp');
+    headers.set('Cross-Origin-Resource-Policy', 'cross-origin');
+    return response;
+  },
+  websocket: {
+    message(ws, message) {
+      ws.send(message);
+    },
+    close() {
+      process.exit(0);
+    }
+  },
+});

pyscript.core/types/core.d.ts

@@ -1,3 +1,4 @@
+export function offline_interpreter(config: any): string;
 import { stdlib } from "./stdlib.js";
 import { optional } from "./stdlib.js";
 import TYPES from "./types.js";

pyscript.core/types/stdlib/pyscript.d.ts

@@ -7,6 +7,7 @@ declare namespace _default {
         "ffi.py": string;
         "magic_js.py": string;
         "util.py": string;
+        "websocket.py": string;
     };
     let pyweb: {
         "__init__.py": string;