python playwright异步批量打开网页
时间: 2023-06-01 08:06:54 浏览: 72
好的,让我来回答你的问题。Python Playwright可以用异步方式批量打开网页。具体的实现可以参考官方文档或者相关教程。如果你需要更详细的帮助和指导,可以提供更具体的问题和场景描述,我会尽力为你解答。
相关问题
python代码示例 playwright异步批量打开网页
以下是一个使用playwright异步批量打开网页的Python代码示例:
``` python
import asyncio
from playwright.async_api import Playwright, async_playwright
async def open_page(browser_type: str, url: str):
async with async_playwright() as p:
browser: Playwright = await getattr(p, browser_type).launch()
page = await browser.new_page()
await page.goto(url)
await asyncio.sleep(3)
content = await page.content()
print(content)
await browser.close()
async def main():
urls = [
"https://www.google.com",
"https://www.bing.com",
"https://www.baidu.com",
"https://www.yahoo.com",
]
browser_types = ["chromium", "firefox", "webkit"]
tasks = []
for browser_type in browser_types:
for url in urls:
tasks.append(open_page(browser_type, url))
await asyncio.gather(*tasks)
if __name__ == "__main__":
asyncio.run(main())
```
请注意,此代码示例仅供参考,实际应用中需要根据具体情况进行修改。
python代码 playwright库 跳转网页
在 Playwright 中,可以使用 `page.goto()` 方法来跳转到指定的网页,示例代码如下:
```python
from playwright.sync_api import Playwright, sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch()
page = browser.new_page()
# 跳转到指定网页
page.goto('https://www.example.com')
# 关闭浏览器
browser.close()
```
在上面的示例代码中,我们使用 `page.goto()` 方法跳转到了 https://www.example.com 网页。该方法会等待页面完全加载完成后返回。如果要在页面加载期间继续执行其他操作,可以使用 `wait_until` 参数来设置等待条件,如下所示:
```python
from playwright.sync_api import Playwright, sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch()
page = browser.new_page()
# 跳转到指定网页,直到 DOMContentLoaded 事件触发
page.goto('https://www.example.com', wait_until='domcontentloaded')
# 关闭浏览器
browser.close()
```
在上面的示例代码中,我们使用 `wait_until` 参数设置了等待条件为 `domcontentloaded`,即等待页面 DOMContentLoaded 事件触发后返回。在等待过程中,可以执行其他操作,例如发送请求等。