First version!

projectorpi_web/__init__.py

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+__version__ = '0.1.0'

projectorpi_web/app.py

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+from fastapi import FastAPI, Path, HTTPException, status
+from projectorpi.cli import ProjectorSerial, ExtronSerial
+from pydantic import BaseModel
+from requests import Response
+
+app = FastAPI()
+
+extron = ExtronSerial()
+projector = ProjectorSerial()
+
+
+class Response(BaseModel):
+    status: str
+    error: str | None = None
+
+
+@app.post("/sleep", response_model=Response)
+async def sleep() -> Response:
+
+    extron.sleep()
+    projector.power_off()
+
+    return Response(status="ok")
+
+
+@app.post("/select/{input_id}", response_model=Response)
+async def select(
+    input_id: int = Path(title="The input to select", ge=1, le=4),
+) -> Response:
+    if extron.check_sleep():
+        extron.wake()
+        sleep(1)
+    extron.change_input(input_id)
+
+    if not projector.is_on():
+        projector.power_on()
+
+    return Response(status="ok")
+
+
+@app.post("/control/{direction}", response_model=Response)
+async def control(direction: str) -> Response:
+    match direction:
+        case "vol_up":
+            extron.volume_up()
+        case "vol_down":
+            extron.volume_down()
+        case "up":
+            extron.menu_up()
+        case "right":
+            extron.menu_right()
+        case "down":
+            extron.menu_down()
+        case "left":
+            extron.menu_left()
+        case "enter":
+            extron.menu_enter()
+        case "menu":
+            extron.menu_toggle()
+        case _:
+            raise HTTPException(status.HTTP_400_BAD_REQUEST, "invalid control")
+
+    return Response(status="ok")