feat: add python

Author: HerringtonDarkholme

packages/csharp/README.md

@@ -5,7 +5,7 @@
 In a pnpm project, run:
 
 ```bash
-pnpm install @ast-grep/csharp
+pnpm install @ast-grep/lang-csharp
 pnpm install @ast-grep/napi
 # install the tree-sitter-cli if no prebuild is available
 pnpm install @tree-sitter/cli --save-dev
@@ -14,7 +14,7 @@ pnpm install @tree-sitter/cli --save-dev
 ## Usage
 
 ```js
-import csharp from '@ast-grep/csharp'
+import csharp from '@ast-grep/lang-csharp'
 import { registerDynamicLanguage, parse } from '@ast-grep/napi'
 
 registerDynamicLanguage({ csharp })

packages/csharp/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@ast-grep/csharp",
+  "name": "@ast-grep/lang-csharp",
   "version": "0.0.1",
   "description": "",
   "main": "index.js",
@@ -45,7 +45,7 @@
   },
   "pnpm": {
     "onlyBuiltDependencies": [
-      "@ast-grep/csharp",
+      "@ast-grep/lang-csharp",
       "tree-sitter-cli"
     ]
   }

packages/python/README.md

@@ -0,0 +1,24 @@
+# ast-grep napi language for python
+
+## Installation
+
+In a pnpm project, run:
+
+```bash
+pnpm install @ast-grep/lang-python
+pnpm install @ast-grep/napi
+# install the tree-sitter-cli if no prebuild is available
+pnpm install @tree-sitter/cli --save-dev
+```
+
+## Usage
+
+```js
+import python from '@ast-grep/lang-python'
+import { registerDynamicLanguage, parse } from '@ast-grep/napi'
+
+registerDynamicLanguage({ python })
+
+const sg = parse('python', `your code`)
+sg.root().kind()
+```

packages/python/index.d.ts

@@ -0,0 +1,10 @@
+type LanguageRegistration = {
+  libraryPath: string
+  extensions: string[]
+  languageSymbol?: string
+  metaVarChar?: string
+  expandoChar?: string
+}
+
+declare const registratoin: LanguageRegistration
+export default registratoin

packages/python/index.js

@@ -0,0 +1,9 @@
+const path = require('node:path')
+const libPath = path.join(__dirname, 'parser.so')
+
+module.exports = {
+  libraryPath: libPath,
+  extensions: ["py"],
+  languageSymbol: 'tree_sitter_python',
+  expandoChar: 'µ',
+}

packages/python/nursery.js

@@ -0,0 +1,16 @@
+const { setup } = require('@ast-grep/nursery')
+const languageRegistration = require('./index')
+const assert = require('node:assert')
+
+setup({
+  dirname: __dirname,
+  name: 'python',
+  treeSitterPackage: 'tree-sitter-python',
+  languageRegistration,
+  testRunner: (parse) => {
+    const sg = parse('a = 123')
+    const root = sg.root()
+    const node = root.find('$FIELD = 123')
+    assert.equal(node.kind(), 'assignment')
+  }
+})

packages/python/package.json

@@ -0,0 +1,52 @@
+{
+  "name": "@ast-grep/lang-python",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "build": "tree-sitter build -o parser.so",
+    "source": "node nursery.js source",
+    "prepublishOnly": "node nursery.js source",
+    "postinstall": "node postinstall.js",
+    "test": "node nursery.js test"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "type.d.ts",
+    "postinstall.js",
+    "src",
+    "prebuilds"
+  ],
+  "keywords": [
+    "ast-grep"
+  ],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@ast-grep/setup-lang": "0.0.3"
+  },
+  "peerDependencies": {
+    "tree-sitter-cli": "0.24.6"
+  },
+  "peerDependenciesMeta": {
+    "tree-sitter-cli": {
+      "optional": true
+    }
+  },
+  "devDependencies": {
+    "@ast-grep/nursery": "0.0.2",
+    "tree-sitter-cli": "0.24.6",
+    "tree-sitter-python": "0.23.6"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
+  "pnpm": {
+    "onlyBuiltDependencies": [
+      "@ast-grep/lang-python",
+      "tree-sitter-cli"
+    ]
+  }
+}

packages/python/postinstall.js

@@ -0,0 +1,4 @@
+const { postinstall } = require('@ast-grep/setup-lang')
+postinstall({
+  dirname: __dirname,
+})