A pure Javascript implemented parser for Python pickle format
- Fully supports Pickle protocol version 0~5 opcodes.
- Pure Typescript implemented.
- Provides
ParserOptionsto customize Unpickling. - Supports Browser.
- Supports Node.js.
- Provides tool to convert pickle file to JSON.
- Pickle protocol version 0
- Pickle protocol version 1
- Pickle protocol version 2 (Python 2.3)
- Pickle protocol version 3 (Python 3.0)
- Pickle protocol version 4 (Python 3.4)
- Pickle protocol version 5 (Python 3.8)
For more details, see: Supported Opcodes
Online Pickle to JSON Convertor
$ npm install pickleparserimport fs from 'node:fs/promises';
import path from 'node:path';
import { Parser } from 'pickleparser';
async function unpickle(fname: string) {
const pkl = await fs.readFile(path.join(fname), 'binary');
const buffer = Buffer.from(pkl, 'binary');
const parser = new Parser();
return parser.parse(buffer);
}
const obj = await unpickle('pickled.pkl');
console.log(obj);const fileSelector = document.getElementById('file_selector');
const jsonResultPreviewer = document.getElementById('json_result_previewer');
fileSelector.addEventListener('change', function (e) {
const file = fileSelector.files[0];
const reader = new FileReader();
reader.onload = function (event) {
const buffer = new Uint8Array(event.target.result);
const parser = new pickleparser.Parser();
const obj = parser.parse(buffer);
const json = JSON.stringify(obj, null, 4);
jsonResultPreviewer.innerText = json;
}
reader.readAsArrayBuffer(file);
});npx pickleparser file.pkl file.json
# or
npm i pickleparser -g
pickletojson file.pkl file.jsonMIT
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