https://github.com/ninoseki/playwright-har-tracer

A Python implementation version of Playwright's HAR tracer
https://github.com/ninoseki/playwright-har-tracer

playwright

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A Python implementation version of Playwright's HAR tracer

• Host: GitHub
• URL: https://github.com/ninoseki/playwright-har-tracer
• Owner: ninoseki
• License: mit
• Created: 2021-05-20T11:57:41.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2023-12-15T14:32:07.000Z (over 1 year ago)
• Last Synced: 2025-03-25T23:34:29.053Z (3 months ago)
• Topics: playwright
• Language: Python
• Homepage:
• Size: 456 KB
• Stars: 8
• Watchers: 2
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# playwright-har-tracer

[![PyPI version](https://badge.fury.io/py/playwright-har-tracer.svg)](https://badge.fury.io/py/playwright-har-tracer)

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[![Coverage Status](https://coveralls.io/repos/github/ninoseki/playwright-har-tracer/badge.svg?branch=main)](https://coveralls.io/github/ninoseki/playwright-har-tracer?branch=main)

A Python implementation version of Playwright's HAR tracer.

It is equivalent to playwright `v0.13.x`’s HAR tracer implementation.

## Motivation

Playwright's HAR tracer is implemented to generate HAR as a file. I need to get HAR as a Python object rather than a file.

- `playwright-har-tracer`'s HarTracer generates HAR as a dataclass object.

## ⚠️ Limitations

- Tested with Python 3.8+

- Tested with Chromium only

- Supports the async API only

## Installation

```bash

pip install playwright-har-tracer

```

## Usage

```python

import asyncio

from playwright.async_api import async_playwright

from playwright_har_tracer import HarTracer

async def main():

    async with async_playwright() as p:

        browser = await p.chromium.launch()

        context = await browser.new_context()

        tracer = HarTracer(context=context, browser_name=p.chromium.name)

        page = await context.new_page()

        await page.goto("http://whatsmyuseragent.org/")

        har = await tracer.flush()

        await context.close()

        await browser.close()

    print(har.to_json())

asyncio.run(main())

```