61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Development helpers for the frontend."""
|
|
import aiohttp
|
|
from aiohttp import hdrs, web
|
|
|
|
from homeassistant.components.http.view import HomeAssistantView
|
|
from homeassistant.core import HomeAssistant, callback
|
|
from homeassistant.helpers import aiohttp_client
|
|
|
|
|
|
@callback
|
|
def async_setup_frontend_dev(hass: HomeAssistant) -> None:
|
|
"""Set up frontend dev views."""
|
|
hass.http.register_view( # type: ignore
|
|
FrontendDevView(
|
|
"http://localhost:8000", aiohttp_client.async_get_clientsession(hass)
|
|
)
|
|
)
|
|
|
|
|
|
FILTER_RESPONSE_HEADERS = {hdrs.CONTENT_LENGTH, hdrs.CONTENT_ENCODING}
|
|
|
|
|
|
class FrontendDevView(HomeAssistantView):
|
|
"""Frontend dev view."""
|
|
|
|
name = "_dev:frontend"
|
|
url = "/_dev_frontend/{path:.*}"
|
|
requires_auth = False
|
|
extra_urls = ["/__web-dev-server__/{path:.*}"]
|
|
|
|
def __init__(self, forward_base: str, websession: aiohttp.ClientSession):
|
|
"""Initialize a Hass.io ingress view."""
|
|
self._forward_base = forward_base
|
|
self._websession = websession
|
|
|
|
async def get(self, request: web.Request, path: str) -> web.Response:
|
|
"""Frontend routing."""
|
|
# To deal with: import * as commonjsHelpers from '/__web-dev-server__/rollup/commonjsHelpers.js
|
|
if request.path.startswith("/__web-dev-server__/"):
|
|
path = f"__web-dev-server__/{path}"
|
|
|
|
url = f"{self._forward_base}/{path}"
|
|
|
|
if request.query_string:
|
|
url += f"?{request.query_string}"
|
|
|
|
async with self._websession.get(
|
|
url,
|
|
headers=request.headers,
|
|
allow_redirects=False,
|
|
) as result:
|
|
return web.Response(
|
|
headers={
|
|
hdr: val
|
|
for hdr, val in result.headers.items()
|
|
if hdr not in FILTER_RESPONSE_HEADERS
|
|
},
|
|
status=result.status,
|
|
body=await result.read(),
|
|
)
|