Created
August 23, 2021 15:14
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Falcon - Stream httpx response example
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# Courtesy of Vytautas Liuolia @vytas7 | |
import falcon.asgi | |
import httpx | |
class Proxy(object): | |
UPSTREAM = 'https://falconframework.org' | |
def __init__(self): | |
self._client = httpx.AsyncClient() | |
async def handle(self, req, resp): | |
headers = dict(req.headers, Via='Falcon') | |
for name in ('host', 'connection', 'referer'): | |
headers.pop(name, None) | |
request = httpx.Request( | |
req.method, self.UPSTREAM + req.path, headers=headers) | |
response = await self._client.send(request, stream=True) | |
resp.stream = response.aiter_bytes() | |
resp.content_type = response.headers.get( | |
'Content-Type', falcon.MEDIA_HTML) | |
resp.status = response.status_code | |
# See also: | |
# https://www.python-httpx.org/async/#streaming-responses | |
resp.schedule(response.aclose) | |
app = falcon.asgi.App() | |
app.add_sink(Proxy().handle) |
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