Sync with main

bench.py

@@ -0,0 +1,30 @@
+import aiohttp
+import asyncio
+from bs4 import BeautifulSoup
+from urllib.parse import urljoin
+import subprocess
+
+async def extract_links(url):
+    async with aiohttp.ClientSession() as session:
+        async with session.get(url) as response:
+            soup = BeautifulSoup(await response.text(), 'html.parser')
+            for link in soup.find_all('a'):
+                yield urljoin(url, link.get('href'))
+
+async def benchmark(url):
+    # This will still block, because subprocess.run is not async
+    subprocess.run(['hey', '-n', '100', '-c', '10', url])
+
+url = 'http://zen.box:9999/http/'
+
+async def main():
+    i = 1
+    async for link in extract_links(url):
+        if i > 50:
+            break
+        await benchmark(link)
+        await benchmark(link.replace('/http/', '/'))
+        i += 1
+
+# Python 3.7+
+asyncio.run(main())