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Fix tile URL prefix for JupyterHub deployments #39

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Fix tile URL prefix for JupyterHub deployments #39

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5 changes: 4 additions & 1 deletion src/jupytergis/tiler/gis_document.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import os
from asyncio import Event, Lock, Task, create_task
from functools import partial
from urllib.parse import urlencode
Expand Down Expand Up @@ -107,8 +108,10 @@ async def add_tiler_layer(
if algorithm is not None:
_params["algorithm"] = "algorithm"
source_id = str(uuid4())

base_url = os.environ.get("JUPYTERHUB_SERVICE_PREFIX", "/").rstrip("/")
url = (
f"/jupytergis_tiler/{source_id}/tiles/WebMercatorQuad/{{z}}/{{x}}/{{y}}.png?"
f"{base_url}/jupytergis_tiler/{source_id}/tiles/WebMercatorQuad/{{z}}/{{x}}/{{y}}.png?"
f"{urlencode(_params)}"
)
source = {
Expand Down
3 changes: 3 additions & 0 deletions src/jupytergis/tiler/handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,4 +10,7 @@ async def get(self, path):
server_url = params.pop("server_url")
async with httpx.AsyncClient() as client:
r = await client.get(f"{server_url}/{path}", params=params)
self.set_status(r.status_code)
if content_type := r.headers.get("content-type"):
self.set_header("Content-Type", content_type)
self.write(r.content)