build with multiple files

src/__init__.py

@@ -1,15 +1,19 @@
 from __future__ import annotations
 
 import logging
+import os
+import tempfile
+from pathlib import Path
+
 import typst
-from fastapi import FastAPI, Request, Response, status
+from fastapi import FastAPI, HTTPException, Request, Response, status
 from fastapi.responses import StreamingResponse
 from prometheus_fastapi_instrumentator import Instrumentator
 from pydantic import BaseModel
 from slowapi import Limiter, _rate_limit_exceeded_handler
 from slowapi.errors import RateLimitExceeded
 from slowapi.util import get_remote_address
-import os
+from starlette.datastructures import UploadFile
 
 DEFAULT_CHUNK_SIZE = 1024
 REQUEST_PER_MINUTES = os.getenv("TYPST_HTTP_API_REQUESTS_PER_MINUTES")
@@ -55,3 +59,34 @@ def iterfile(
             yield input_bytes[i : i + chunk_size]
 
     return StreamingResponse(iterfile(res), media_type="application/pdf")
+
+
+@app.post("/project")
+@limiter.limit(f"{REQUEST_PER_MINUTES}/minute")
+async def build_project(request: Request, response: Response):
+    form_data = await request.form()
+    with tempfile.TemporaryDirectory(suffix="_typst") as td:
+        for field_name, file_obj in form_data.items():
+            if isinstance(file_obj, UploadFile):
+                if ".." in field_name:
+                    raise HTTPException(
+                        status_code=400, detail="no field names can contain '..'"
+                    )
+                with open(Path(td) / field_name, "wb") as f:
+                    f.write(await file_obj.read())
+
+        try:
+            res = typst.compile(Path(td) / "main.typ")
+        except RuntimeError as e:
+            response.status_code = status.HTTP_422_UNPROCESSABLE_ENTITY
+            logger.error(f"failed to build {1}")
+            return CompilationError(reason="Compilation error", content=str(e))
+
+        def iterfile(
+            input_bytes: bytes,
+            chunk_size: int = DEFAULT_CHUNK_SIZE,
+        ):
+            for i in range(0, len(input_bytes), chunk_size):
+                yield input_bytes[i : i + chunk_size]
+
+        return StreamingResponse(iterfile(res), media_type="application/pdf")

vv.typ

@@ -0,0 +1 @@
+bip boup TURTHSF