Spaces:
Paused
Paused
File size: 1,355 Bytes
7e8de53 4639ead 7e8de53 4639ead 7e8de53 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 |
from fastapi import FastAPI, Request, Response
filenames = ["js/extra.js"]
contents = "\n".join(
[f"<script type='text/javascript' src='{x}'></script>" for x in filenames]
)
ga_script = """
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-C3VH0S3E6G"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-C3VH0S3E6G');
</script>
"""
app = FastAPI()
@app.middleware("http")
async def insert_js(request: Request, call_next):
path = request.scope["path"] # get the request route
response = await call_next(request)
if path == "/":
response_body = ""
async for chunk in response.body_iterator:
response_body += chunk.decode()
charset_tag = '<meta charset="utf-8" />'
if charset_tag in response_body:
response_body = response_body.replace(charset_tag, charset_tag + ga_script)
response_body = response_body.replace("</body>", contents + "</body>")
del response.headers["content-length"]
return Response(
content=response_body,
status_code=response.status_code,
headers=dict(response.headers),
media_type=response.media_type,
)
return response
|